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Kang JH, Dong Z, Shin SH. Benefits of Soybean in the Era of Precision Medicine: A Review of Clinical Evidence. J Microbiol Biotechnol 2023; 33:1552-1562. [PMID: 37674385 PMCID: PMC10774093 DOI: 10.4014/jmb.2308.08016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 08/16/2023] [Accepted: 08/21/2023] [Indexed: 09/08/2023]
Abstract
Soybean (Glycine max) is an important ingredient of cuisines worldwide. While there is a wealth of evidence that soybean could be a good source of macronutrients and phytochemicals with health-promoting effects, concerns regarding adverse effects have been raised. In this work, we reviewed the current clinical evidence focusing on the benefits and risks of soybean ingredients. In breast, prostate, colorectal, ovarian, and lung cancer, epidemiological studies showed an inverse association between soybean food intake and cancer risks. Soybean intake was inversely correlated with risks of type 2 diabetes mellitus (T2DM), and soy isoflavones ameliorated osteoporosis and hot flashes. Notably, soybean was one of the dietary protein sources that may reduce the risk of breast cancer and T2DM. However, soybean had adverse effects on certain types of drug treatment and caused allergies. In sum, this work provides useful considerations for planning clinical soybean research and selecting dietary protein sources for human health.
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Affiliation(s)
- Jung Hyun Kang
- Department of Food and Nutrition, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Zigang Dong
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, P.R. China
- China-US (Henan) Hormel Cancer Institute, No.127, Dongming Road, Jinshui District, Zhengzhou 450008, Henan, P.R. China
| | - Seung Ho Shin
- Department of Food and Nutrition, Gyeongsang National University, Jinju 52828, Republic of Korea
- Department of Bio & Medical Bigdata (BK4 Program), Gyeongsang National University, Jinju 52828, Republic of Korea
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2
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Jiang S, Wang X, Yu M, Tian J, Chang P, Zhu S. Bitter Peptides in Fermented Soybean Foods - A Review. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2023:10.1007/s11130-023-01077-3. [PMID: 37410257 DOI: 10.1007/s11130-023-01077-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Accepted: 06/28/2023] [Indexed: 07/07/2023]
Abstract
Fermented soybean foods with a long history are popular worldwide because of rich nutrition. However, many traditional fermented soybean foods have unacceptable bitterness, which mostly comes from the bitter peptides produced from the hydrolysis of soybean proteins. In this review, the bitter peptides in fermented soybean foods is briefly reviewed. The structural properties of bitter receptors and bitter peptides were reviewed. Bitterness is perceived through the binding between bitter compounds and specific sites of bitter receptors (25 hTAS2Rs), which further activate the downstream signal pathway mediated by G-protein. And it converts chemical signals into electrical signals, and transmit them to the brain. In addition, the influencing factors of bitter peptides in fermented soybean foods were summarized. The bitterness of fermented soybean foods primarily results from the raw materials, microbial metabolism during fermentation, unique techniques, and interactions of various flavor compounds. Moreover, the structure-bitterness relationship of bitter peptides was also discussed in this review. The bitterness degree of the bitter peptide is related to the polypeptide hydrophobicity, amino acids in the peptide, peptide molecular weight and polypeptide spatial structure. Studying the bitter peptides and their bitter characteristics in fermented soybean foods is beneficial for improving the sensory quality of fermented soybean foods and prompting more consumers accept them.
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Affiliation(s)
- Shaoping Jiang
- College of Food Science and Engineering, Jilin University, No. 5333, Xi'an Road, Changchun, Jilin, 130062, China
| | - Xiaodan Wang
- College of Food Science and Engineering, Jilin University, No. 5333, Xi'an Road, Changchun, Jilin, 130062, China.
| | - Maosong Yu
- Tianjin haigang steel coil Co.,Ltd, Tianjin, 301600, China
| | - Jiaxue Tian
- College of Food Science and Engineering, Jilin University, No. 5333, Xi'an Road, Changchun, Jilin, 130062, China
| | - Ping Chang
- College of Food Science and Engineering, Jilin University, No. 5333, Xi'an Road, Changchun, Jilin, 130062, China
| | - Shijie Zhu
- Changchun ZhuLaoLiu Food Co., Ltd, Changchun, 130507, China
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3
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Kaufman-Szymczyk A, Kaczmarek W, Fabianowska-Majewska K, Lubecka-Gajewska K. Lunasin and Its Epigenetic Impact in Cancer Chemoprevention. Int J Mol Sci 2023; 24:ijms24119187. [PMID: 37298139 DOI: 10.3390/ijms24119187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/19/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
Cancer diseases are a leading cause of death worldwide. Therefore, it is pivotal to search for bioactive dietary compounds that can avert tumor development. A diet rich in vegetables, including legumes, provides chemopreventive substances, which have the potential to prevent many diseases, including cancer. Lunasin is a soy-derived peptide whose anti-cancer activity has been studied for over 20 years. The results of the previous research have shown that lunasin inhibits histone acetylation, regulates the cell cycle, suppresses proliferation and induces apoptosis of cancer cells. Thus, lunasin seems to be a promising bioactive anti-cancer agent and a potent epigenetic modulator. The present review discusses studies of the underlying molecular mechanisms and new perspectives on lunasin application in epigenetic prevention and anti-cancer therapy.
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Affiliation(s)
- Agnieszka Kaufman-Szymczyk
- Department of Biomedical Chemistry, Faculty of Health Sciences, Medical University of Lodz, 92-215 Lodz, Poland
| | - Wiktoria Kaczmarek
- Department of Biomedical Chemistry, Faculty of Health Sciences, Medical University of Lodz, 92-215 Lodz, Poland
| | | | - Katarzyna Lubecka-Gajewska
- Department of Biomedical Chemistry, Faculty of Health Sciences, Medical University of Lodz, 92-215 Lodz, Poland
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4
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de la Monte SM, Tong M, Delikkaya B. Differential Early Mechanistic Frontal Lobe Responses to Choline Chloride and Soy Isoflavones in an Experimental Model of Fetal Alcohol Spectrum Disorder. Int J Mol Sci 2023; 24:7595. [PMID: 37108779 PMCID: PMC10145811 DOI: 10.3390/ijms24087595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 04/07/2023] [Accepted: 04/18/2023] [Indexed: 04/29/2023] Open
Abstract
Fetal alcohol spectrum disorder (FASD) is the most common preventable cause of neurodevelopmental defects, and white matter is a major target of ethanol neurotoxicity. Therapeutic interventions with choline or dietary soy could potentially supplement public health preventive measures. However, since soy contains abundant choline, it would be important to know if its benefits are mediated by choline or isoflavones. We compared early mechanistic responses to choline and the Daidzein+Genistein (D+G) soy isoflavones in an FASD model using frontal lobe tissue to assess oligodendrocyte function and Akt-mTOR signaling. Long Evans rat pups were binge administered 2 g/Kg of ethanol or saline (control) on postnatal days P3 and P5. P7 frontal lobe slice cultures were treated with vehicle (Veh), Choline chloride (Chol; 75 µM), or D+G (1 µM each) for 72 h without further ethanol exposures. The expression levels of myelin oligodendrocyte proteins and stress-related molecules were measured by duplex enzyme-linked immunosorbent assays (ELISAs), and mTOR signaling proteins and phosphoproteins were assessed using 11-plex magnetic bead-based ELISAs. Ethanol's main short-term effects in Veh-treated cultures were to increase GFAP and relative PTEN phosphorylation and reduce Akt phosphorylation. Chol and D+G significantly modulated the expression of oligodendrocyte myelin proteins and mediators of insulin/IGF-1-Akt-mTOR signaling in both control and ethanol-exposed cultures. In general, the responses were more robust with D+G; the main exception was that RPS6 phosphorylation was significantly increased by Chol and not D+G. The findings suggest that dietary soy, with the benefits of providing complete nutrition together with Choline, could be used to help optimize neurodevelopment in humans at risk for FASD.
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Affiliation(s)
- Suzanne M. de la Monte
- Departments of Pathology and Laboratory Medicine, Medicine, Neurology and Neurosurgery, Rhode Island Hospital, Lifespan Academic Institutions, The Warren Alpert Medical School of Brown University, Providence, RI 02903, USA
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5
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Liao Y, Sun Y, Peng X, Qi B, Li Y. Effects of tannic acid on the physical stability, interfacial properties, and protein/lipid co-oxidation characteristics of oil body emulsions. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2022.108230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Fang J, Lu J, Zhang Y, Wang J, Wang S, Fan H, Zhang J, Dai W, Gao J, Yu H. Structural properties, antioxidant and immune activities of low molecular weight peptides from soybean dregs (Okara). Food Chem X 2021; 12:100175. [PMID: 34917928 PMCID: PMC8645904 DOI: 10.1016/j.fochx.2021.100175] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/16/2021] [Accepted: 11/29/2021] [Indexed: 01/31/2023] Open
Abstract
In this study, a method for preparing low molecular weight peptides (HPH-VAP) from okara using high-pressure homogenization assisted double enzymes was proposed. In order to explore its advantages, the effects of various methods on protein extraction rate and on the structure, antioxidant and immune properties of peptides were compared. The results showed that the protein extraction rate of this method was increased by 69% and 51% compared with other methods, and the structure only led to changes in the hydrogen bonds between peptide chains. HPH-VAP was screened out through functional characteristics, its structure was identified by HPLC-MS/MS, and further immunological activity analysis was carried out. The results showed that it promoted cell phagocytic ability, NO level and release of cytokines IL-6, IFN- γ, TNF-α. Therefore, this method is an effective and applicable method for industrial preparation of okara peptides, and has a positive effect on the reuse of okara resources.
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Affiliation(s)
- Jiaqi Fang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China.,National Soybean Industry Technology System Processing Laboratory, Jilin, Changchun 130118, China
| | - Jiahong Lu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China.,National Soybean Industry Technology System Processing Laboratory, Jilin, Changchun 130118, China
| | - Ying Zhang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China.,National Soybean Industry Technology System Processing Laboratory, Jilin, Changchun 130118, China
| | - Jinyu Wang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China.,National Soybean Industry Technology System Processing Laboratory, Jilin, Changchun 130118, China
| | - Sainan Wang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China.,National Soybean Industry Technology System Processing Laboratory, Jilin, Changchun 130118, China
| | - Hongliang Fan
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China.,National Soybean Industry Technology System Processing Laboratory, Jilin, Changchun 130118, China
| | - Jiarui Zhang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China.,National Soybean Industry Technology System Processing Laboratory, Jilin, Changchun 130118, China
| | - Weichang Dai
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China.,National Soybean Industry Technology System Processing Laboratory, Jilin, Changchun 130118, China
| | - Junpeng Gao
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
| | - Hansong Yu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China.,National Soybean Industry Technology System Processing Laboratory, Jilin, Changchun 130118, China
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8
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Wen L, Jiang Y, Zhou X, Bi H, Yang B. Structure identification of soybean peptides and their immunomodulatory activity. Food Chem 2021; 359:129970. [PMID: 34015561 DOI: 10.1016/j.foodchem.2021.129970] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 04/15/2021] [Accepted: 04/25/2021] [Indexed: 10/21/2022]
Abstract
Soybean peptides are functional food with good health benefits. The health benefits presented are highly dependent on the peptide structure. In this work, soybean peptides were prepared by alkaline protease hydrolysis of soybean proteins. The peptide structure was identified by UPLC-MS/MS. The full peptide composition was revealed. The sequences of 51 peptides were identified and 46 peptides were assigned as immunomodulatory peptides. By evaluating the immumonodulatory activity and mechanism, soybean peptides could facilitate the proliferation of macrophages. The pinocytotic activity and NO level were increased. Induction of iNOS mRNA expression by soybean peptides was responsible for the increased NO production. The release of cytokines IL-6 and TNF-α was elevated and their levels were equal to positive control. The mRNA expression levels of IL-6 and TNF-α were also improved by soybean peptides, but much lower than positive control. The results were helpful for application of soybean peptides in functional foods.
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Affiliation(s)
- Lingrong Wen
- Guangdong Provincial Key Laboratory of Applied Botany, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
| | - Yueming Jiang
- Guangdong Provincial Key Laboratory of Applied Botany, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
| | - Xuesong Zhou
- Guangzhou Honsea Industry Co., Ltd., Guangzhou 510530, China
| | - Huimin Bi
- Guangzhou College of Technology and Business, Guangzhou 510850, China
| | - Bao Yang
- Guangdong Provincial Key Laboratory of Applied Botany, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.
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Kadotani H, Asai K, Miyamoto A, Iwasaki K, Kawai T, Nishimura M, Tohda M, Okamoto A, Sato K, Yamada K, Ijiri N, Watanabe T, Kawaguchi T. The Fermented Soy Product ImmuBalance TM Suppresses Airway Inflammation in a Murine Model of Asthma. Nutrients 2021; 13:3380. [PMID: 34684380 PMCID: PMC8537480 DOI: 10.3390/nu13103380] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 09/23/2021] [Accepted: 09/23/2021] [Indexed: 02/07/2023] Open
Abstract
The fermented soy product ImmuBalance contains many active ingredients and its beneficial effects on some allergic diseases have been reported. We hypothesized that ImmuBalance could have potential effects on airway inflammation in a murine model of asthma. Mice sensitized and challenged with ovalbumin developed airway inflammation. Bronchoalveolar lavage fluid was assessed for inflammatory cell counts and levels of cytokines. Lung tissues were examined for cell infiltration and mucus hypersecretion. Oral administration of ImmuBalance significantly inhibited ovalbumin-induced eosinophilic inflammation and decreased Th2 cytokine levels in bronchoalveolar lavage fluid (p < 0.05). In addition, lung histological analysis showed that ImmuBalance inhibited inflammatory cell infiltration and airway mucus production. Our findings suggest that supplementation with ImmuBalance may provide a novel strategy for the prevention or treatment of allergic airway inflammation.
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Affiliation(s)
| | - Kazuhisa Asai
- Department of Respiratory Medicine, Graduate School of Medicine, Osaka City University, Osaka 545-8585, Japan; (H.K.); (A.M.); (K.I.); (T.K.); (M.N.); (M.T.); (A.O.); (K.S.); (K.Y.); (N.I.); (T.W.); (T.K.)
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10
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Abstract
Legumes are an essential food source worldwide. Their high-quality proteins, complex carbohydrates, dietary fiber, and relatively low-fat content make these an important functional food. Known to possess a multitude of health benefits, legume consumption is associated with the prevention and treatment of cardiovascular diseases (CVD). Legume crude protein isolates and purified peptides possess many cardiopreventive properties. Here, we review selected economically valued legumes, their taxonomy and distribution, biochemical composition, and their protein components and the mechanism(s) of action associated with cardiovascular health. Most of the legume protein studies had shown upregulation of low-density lipoprotein (LDL) receptor leading to increased binding and uptake, in effect significantly reducing total lipid levels in the blood serum and liver. This is followed by decreased biosynthesis of cholesterol and fatty acids. To understand the relationship of identified genes from legume studies, we performed gene network analysis, pathway, and gene ontology (GO) enrichment. Results showed that the genes were functionally interrelated while enrichment and pathway analysis revealed involvement in lipid transport, fatty acid and triglyceride metabolic processes, and regulatory processes. This review is the first attempt to collate all known mechanisms of action of legume proteins associated with cardiovascular health. This also provides a snapshot of possible targets leading to systems-level approaches to further investigate the cardiometabolic potentials of legumes.
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Gonzalez de Mejia E, Castañeda-Reyes ED, Mojica L, Dia V, Wang H, Wang T, Johnson LA. Potential Health Benefits Associated with Lunasin Concentration in Dietary Supplements and Lunasin-Enriched Soy Extract. Nutrients 2021; 13:1618. [PMID: 34065911 PMCID: PMC8150303 DOI: 10.3390/nu13051618] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/06/2021] [Accepted: 05/07/2021] [Indexed: 12/22/2022] Open
Abstract
Lunasin has demonstrated antioxidative, anti-inflammatory, and chemopreventive properties. The objectives were to evaluate the concentration of lunasin in different lunasin-based commercial dietary supplements, to produce a lunasin-enriched soy extract (LESE) using a two-step pilot-plant-based ultrafiltration process, and to evaluate their biological potential in vitro. LESE was produced using 30 and 1 kDa membranes in a custom-made ultrafiltration skid. Lunasin was quantified in eight products and LESE. Lunasin concentrations of the lunasin-based products ranged from 9.2 ± 0.6 to 25.7 ± 1.1 mg lunasin/g protein. The LESE extract contained 58.2 mg lunasin/g protein, up to 6.3-fold higher lunasin enrichment than lunasin-based dietary supplements. Antioxidant capacity ranged from 121.5 mmol Trolox equivalents (TE)/g in Now® Kids to 354.4 mmol TE/g in LESE. Histone acetyltransferase (HAT) inhibition ranged from 5.3% on Soy Sentials® to 38.3% on synthetic lunasin. ORAC and lunasin concentrations were positively correlated, and HAT and lunasin concentrations were negatively correlated (p < 0.05). Melanoma B16-F10 and A375 cells treated with lunasin showed dose-dependent inhibitory potential (IC50 equivalent to 330 and 370 μM lunasin, respectively). Lunasin showed protein kinase B expression (57 ± 14%) compared to the control (100%) in B16-F10. Lunasin concentration found in commercial products and lunasin-enriched soy extract could exert benefits to consumers.
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Affiliation(s)
- Elvira Gonzalez de Mejia
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; (E.D.C.-R.); (L.M.); (V.D.)
| | - Erick Damian Castañeda-Reyes
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; (E.D.C.-R.); (L.M.); (V.D.)
| | - Luis Mojica
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; (E.D.C.-R.); (L.M.); (V.D.)
- Tecnología Alimentaria, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A. C., CIATEJ, Guadalajara 44270, Mexico
| | - Vermont Dia
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; (E.D.C.-R.); (L.M.); (V.D.)
| | - Hui Wang
- Center for Crops Utilization Research, Iowa State University, Ames, IA 50011, USA; (H.W.); (T.W.); (L.A.J.)
| | - Toni Wang
- Center for Crops Utilization Research, Iowa State University, Ames, IA 50011, USA; (H.W.); (T.W.); (L.A.J.)
| | - Lawrence A. Johnson
- Center for Crops Utilization Research, Iowa State University, Ames, IA 50011, USA; (H.W.); (T.W.); (L.A.J.)
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Swallah MS, Fan H, Wang S, Yu H, Piao C. Prebiotic Impacts of Soybean Residue (Okara) on Eubiosis/Dysbiosis Condition of the Gut and the Possible Effects on Liver and Kidney Functions. Molecules 2021; 26:E326. [PMID: 33440603 PMCID: PMC7826621 DOI: 10.3390/molecules26020326] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 12/30/2020] [Accepted: 01/03/2021] [Indexed: 02/07/2023] Open
Abstract
Okara is a white-yellow fibrous residue consisting of the insoluble fraction of the soybean seeds remaining after extraction of the aqueous fraction during the production of tofu and soymilk, and is generally considered a waste product. It is packed with a significant number of proteins, isoflavones, soluble and insoluble fibers, soyasaponins, and other mineral elements, which are all attributed with health merits. With the increasing production of soy beverages, huge quantities of this by-product are produced annually, which poses significant disposal problems and financial issues for producers. Extensive studies have been done on the biological activities, nutritional values, and chemical composition of okara as well as its potential utilization. Owing to its peculiar rich fiber composition and low cost of production, okara might be potentially useful in the food industry as a functional ingredient or good raw material and could be used as a dietary supplement to prevent varied ailments such as prevention of diabetes, hyperlipidemia, obesity, as well as to stimulate the growth of intestinal microbes and production of microbe-derived metabolites (xenometabolites), since gut dysbiosis (imbalanced microbiota) has been implicated in the progression of several complex diseases. This review seeks to compile scientific research on the bioactive compounds in soybean residue (okara) and discuss the possible prebiotic impact of this fiber-rich residue as a functional diet on eubiosis/dysbiosis condition of the gut, as well as the consequential influence on liver and kidney functions, to facilitate a detailed knowledge base for further exploration, implementation, and development.
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Affiliation(s)
- Mohammed Sharif Swallah
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (M.S.S.); (H.F.); (S.W.)
| | - Hongliang Fan
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (M.S.S.); (H.F.); (S.W.)
| | - Sainan Wang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (M.S.S.); (H.F.); (S.W.)
| | - Hansong Yu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (M.S.S.); (H.F.); (S.W.)
- Soybean Research & Development Centre, Division of Soybean Processing, Chinese Agricultural Research System, Changchun 130118, China
| | - Chunhong Piao
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (M.S.S.); (H.F.); (S.W.)
- Soybean Research & Development Centre, Division of Soybean Processing, Chinese Agricultural Research System, Changchun 130118, China
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Gitlin-Domagalska A, Maciejewska A, Dębowski D. Bowman-Birk Inhibitors: Insights into Family of Multifunctional Proteins and Peptides with Potential Therapeutical Applications. Pharmaceuticals (Basel) 2020; 13:E421. [PMID: 33255583 PMCID: PMC7760496 DOI: 10.3390/ph13120421] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/13/2020] [Accepted: 11/23/2020] [Indexed: 02/07/2023] Open
Abstract
Bowman-Birk inhibitors (BBIs) are found primarily in seeds of legumes and in cereal grains. These canonical inhibitors share a highly conserved nine-amino acids binding loop motif CTP1SXPPXC (where P1 is the inhibitory active site, while X stands for various amino acids). They are natural controllers of plants' endogenous proteases, but they are also inhibitors of exogenous proteases present in microbials and insects. They are considered as plants' protective agents, as their elevated levels are observed during injury, presence of pathogens, or abiotic stress, i.a. Similar properties are observed for peptides isolated from amphibians' skin containing 11-amino acids disulfide-bridged loop CWTP1SXPPXPC. They are classified as Bowman-Birk like trypsin inhibitors (BBLTIs). These inhibitors are resistant to proteolysis and not toxic, and they are reported to be beneficial in the treatment of various pathological states. In this review, we summarize up-to-date research results regarding BBIs' and BBLTIs' inhibitory activity, immunomodulatory and anti-inflammatory activity, antimicrobial and insecticidal strength, as well as chemopreventive properties.
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Affiliation(s)
| | | | - Dawid Dębowski
- Department of Molecular Biochemistry, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (A.G.-D.); (A.M.)
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Zheng H, Yan G, Marquez S, Andler S, Dersjant-Li Y, de Mejia EG. Molecular size and immunoreactivity of ethanol extracted soybean protein concentrate in comparison with other products. Process Biochem 2020. [DOI: 10.1016/j.procbio.2020.06.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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15
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Zheng H, Yan G, Lee Y, Alcaraz C, Marquez S, de Mejia EG. Effect of the extrusion process on allergen reduction and the texture change of soybean protein isolate-corn and soybean flour-corn mixtures. INNOV FOOD SCI EMERG 2020. [DOI: 10.1016/j.ifset.2020.102421] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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16
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Shahzad R, Shehzad A, Bilal S, Lee IJ. Bacillus amyloliquefaciens RWL-1 as a New Potential Strain for Augmenting Biochemical and Nutritional Composition of Fermented Soybean. Molecules 2020; 25:E2346. [PMID: 32443519 PMCID: PMC7288071 DOI: 10.3390/molecules25102346] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 05/01/2020] [Accepted: 05/12/2020] [Indexed: 12/23/2022] Open
Abstract
Soybean (Glycine max L.) is a good source of natural antioxidants and commonly consumed as fermented products such as cheonggukjang, miso, tempeh, and sufu in Asian countries. The aim of the current study was to examine the influence of novel endophytic bacterial strain, Bacillus amyloliquefaciens RWL-1 as a starter for soybean fermentation. During fermentation, the cooked soybeans were inoculated with different concentrations (1%, 3%, and 5%) of B. amyloliquefaciens RWL-1. The changes in 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2'-azino-bis (3-ethylbenzthiazoline-6-sulfonic acid) (ABTS) radical scavenging activities, total phenolic contents, isoflavones (Daidzin, Genistin, Glycitin, Daidzein, Glycitein, and Genistein), amino acids (aspartic acid, threonine, serine, glutamic acid, glycine, alanine, cysteine, valine, methionine, isoleucine, leucine, tyrosine, phenylalanine, lysine, histidine, arginine, and proline) composition, and minerals (calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel, lead, arsenic, and zinc) were investigated. The level of antioxidants, total phenolic contents, isoflavones, and total amino acids were higher in fermented soybean inoculated with 1% B. amyloliquefaciens RWL-1 after 60 h of fermentation as compared to control, 3% and 5% B. amyloliquefaciens RWL-1. Additionally, fermented soybean inoculated with 5% B. amyloliquefaciens RWL-1 showed the highest values for mineral contents. Changes in antioxidant activities and bioactive compounds depended on the concentration of the strain used for fermentation. From these results, we conclude that fermented soybean has strong antioxidant activity, probably due to its increased total phenolic contents and aglycone isoflavone that resulted from fermentation. Such natural antioxidants could be used in drug and food industries and can be considered to alleviate oxidative stress.
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Affiliation(s)
- Raheem Shahzad
- Basic and Applied Scientific Research Center, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia;
- Department of Biology, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Adeeb Shehzad
- Department of Clinical Pharmacy, Institute for Research & Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia;
| | - Saqib Bilal
- Natural and Medical Sciences Research Center, University of Nizwa, Nizwa 616, Oman;
| | - In-Jung Lee
- School of Applied Biosciences, Kyungpook National University, Daegu 41566, Korea
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17
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Haines SR, McCann MJ, Grosvenor AJ, Thomas A, Noble A, Clerens S. ACE inhibitory peptides in standard and fermented deer velvet: an in silico and in vitro investigation. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 19:350. [PMID: 31806003 PMCID: PMC6896680 DOI: 10.1186/s12906-019-2758-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Accepted: 11/19/2019] [Indexed: 11/10/2022]
Abstract
BACKGROUND The use of deer velvet antler (DVA) as a potent traditional medicine ingredient goes back for over 2000 years in Asia. Increasingly, though, DVA is being included as a high protein functional food ingredient in convenient, ready to consume products in Korea and China. As such, it is a potential source of endogenous bioactive peptides and of 'cryptides', i.e. bioactive peptides enzymatically released by endogenous proteases, by processing and/or by gastrointestinal digestion. Fermentation is an example of a processing step known to release bioactive peptides from food proteins. In this study, we aimed to identify in silico bioactive peptides and cryptides in DVA, before and after fermentation, and subsequently to validate the major predicted bioactivity by in vitro analysis. METHODS Peptides that were either free or located within proteins were identified in the DVA samples by liquid chromatography-tandem mass spectrometry (LC-MS/MS) followed by database searching. Bioactive peptides and cryptides were identified in silico by sequence matching against a database of known bioactive peptides. Angiotensin-converting enzyme (ACE) inhibitory activity was measured by a colorimetric method. RESULTS Three free bioactive peptides (LVVYPW, LVVYPWTQ and VVYPWTQ) were solely found in fermented DVA, the latter two of which are known ACE inhibitors. However matches to multiple ACE inhibitor cryptides were obtained within protein and peptide sequences of both unfermented and fermented DVA. In vitro analysis showed that the ACE inhibitory activity of DVA was more pronounced in the fermented sample, but both unfermented and fermented DVA had similar activity following release of cryptides by simulated gastrointestinal digestion. CONCLUSIONS DVA contains multiple ACE inhibitory peptide sequences that may be released by fermentation or following oral consumption, and which may provide a health benefit through positive effects on the cardiovascular system. The study illustrates the power of in silico combined with in vitro methods for analysis of the effects of processing on bioactive peptides in complex functional ingredients like DVA.
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A Study of Structural Change During In Vitro Digestion of Heated Soy Protein Isolates. Foods 2019; 8:foods8120594. [PMID: 31756907 PMCID: PMC6963817 DOI: 10.3390/foods8120594] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/13/2019] [Accepted: 11/15/2019] [Indexed: 11/17/2022] Open
Abstract
Use of soy protein isolate (SPI) as the encapsulating material in emulsions is uncommon due to its low solubility and emulsification potential. The aim of this study was to improve these properties of SPI via heat treatment-induced modifications. We modified SPI under various heating conditions and demonstrated the relationship between structure and in vitro digestibility in simulated gastric fluid by means of Sodium Dodecyl Sulphide-Polyacrylamide Gel Electrophoresis (SDS-PAGE) and Raman spectroscopy. It was found that the degree of hydrolysis (DH) of SPI increased and then decreased upon increasing exposure to heat. Different subunits of conglycinin were digested and degraded by pepsin. Heat treatment improved digestion characteristics that would reduce e the unnecessary loss of protein, offering potential for the efficient delivery of nutrients in nanoemulsions. These results could have significant relevance for research groups that are interested in the biological interactions and activity of functional SPI.
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19
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Roy UK, Lavignac N, Rahman AM, Nielsen BV. Purification of lectin and Kunitz trypsin inhibitor from soya seeds. J Chromatogr Sci 2018; 56:436-442. [PMID: 29566134 DOI: 10.1093/chromsci/bmy018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 02/12/2018] [Indexed: 11/13/2022]
Abstract
The search for potent and selective therapeutic agents is progressing by the study of natural compounds in plants. Plant-derived macromolecules are considered emerging therapeutic agents and an alternative to synthetic and small molecule drugs. Where it has long been known that plants possess medicinal properties, the compounds responsible for their action are in many cases still unknown: often only whole crude plant extracts or fractionated extracts are tested for the ability to inhibit common pathogens. Here, we present a fast protein liquid chromatography method for the separation of crude plant proteins. Kunitz trypsin inhibitor (KTI; 24.2 kDa) and lectin (31 kDa) were purified from Glycine max by liquid extraction followed by ion exchange column chromatography. The need for serial chromatographic separation steps has been eliminated by introducing more complex elution profiles hence reducing cost, time and improving recovery. The identity of KTI-A and lectin was confirmed by matrix assisted laser desorption ionization time of flight mass spectrometry (MALDI-ToF MS). Cell proliferation assays using B16F1 melanoma cells revealed that both KTI and the monomeric lectin retained some antiproliferative activity. This method could be useful for rapid and cost-effective purification of bioactive compounds from plant material.
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Affiliation(s)
- Uttam K Roy
- Faculty of Engineering and Science, University of Greenwich, Chatham Maritime, Kent ME4 4TB, UK
| | - Nathalie Lavignac
- Medway School of Pharmacy, Universities of Kent and Greenwich, Chatham Maritime, Kent ME4 4TB, UK
| | - Azizur M Rahman
- Faculty of Engineering and Science, University of Greenwich, Chatham Maritime, Kent ME4 4TB, UK
| | - Birthe V Nielsen
- Faculty of Engineering and Science, University of Greenwich, Chatham Maritime, Kent ME4 4TB, UK
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20
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Zhang P, Zhang P, Xie M, An F, Qiu B, Wu R. Metaproteomics of Microbiota in Naturally Fermented Soybean Paste, Da-jiang. J Food Sci 2018; 83:1342-1349. [PMID: 29668035 DOI: 10.1111/1750-3841.14146] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 03/04/2018] [Accepted: 03/06/2018] [Indexed: 11/29/2022]
Abstract
Da-jiang is a typical traditional fermented soybean product in China. At present, the proteins in da-jiang are needed to be explored. The composition and species of microbial proteins in traditional fermented da-jiang were analyzed by metaproteomics based on sodium dodecyl sulfonate-polyacrylamide gel electrophoresis (SDS-PAGE) and liquid chromatography-mass spectrometry/mass spectrometry (LC-MS/MS). The results showed that the number and variety of microbial proteins in the traditional fermented da-jiang from different regions were different. The production site influences the fermentation in da-jiang. Then we analyzed the functions of the microbial proteins identified in da-jiang, and found that they were mainly involved in the process of protein synthesis, glycometabolism and nucleic acid synthesis. In addtion, we compared the proteins composition in different da-jiang. There are 51 common proteins of naturally fermented da-jiang, and 25 common microbial sources. The main commonly microbial sources of fungal proteins are Saccharomyces cerevisiae and Schizosaccharomyces; the main commonly microbial sources of bacterial proteins are Enterococcus faecalis, Leuconostoc mesenteroides, Acinetobacter baumannii, and Bacillus subtilis. These common microbes play the predominant role in da-jiang fermentation. The present results help us to understand the fermentation of da-jiang and improve the quality and safety of final products in the future. PRACTICAL APPLICATION The study illustrated metaproteome of microbiota in traditional fermented soybean paste, da-jiang, by sodium dodecyl sulfonate-polyacrylamide gel electrophoresis (SDS-PAGE) and liquid chromatography-mass spectrometry/mass spectrometry (LC-MS/MS). A method of extracting metaproteome from microbiota in da-jiang was attempted. The findings help to understand the fermentation of da-jiang and improve the quality and safety of da-jiang in fermented industry.
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Affiliation(s)
- Ping Zhang
- College of Food Science, Shenyang Agricultural Univ., Shenyang, 110866, P. R., China
| | - Pengfei Zhang
- College of Food Science, Shenyang Agricultural Univ., Shenyang, 110866, P. R., China
| | - Mengxi Xie
- College of Food Science, Shenyang Agricultural Univ., Shenyang, 110866, P. R., China
| | - Feiyu An
- College of Food Science, Shenyang Agricultural Univ., Shenyang, 110866, P. R., China
| | - Boshu Qiu
- College of Food Science, Shenyang Agricultural Univ., Shenyang, 110866, P. R., China
| | - Rina Wu
- College of Food Science, Shenyang Agricultural Univ., Shenyang, 110866, P. R., China
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21
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Chalamaiah M, Yu W, Wu J. Immunomodulatory and anticancer protein hydrolysates (peptides) from food proteins: A review. Food Chem 2018; 245:205-222. [DOI: 10.1016/j.foodchem.2017.10.087] [Citation(s) in RCA: 209] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Revised: 09/25/2017] [Accepted: 10/16/2017] [Indexed: 10/18/2022]
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22
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Rizzo G, Baroni L. Soy, Soy Foods and Their Role in Vegetarian Diets. Nutrients 2018; 10:E43. [PMID: 29304010 PMCID: PMC5793271 DOI: 10.3390/nu10010043] [Citation(s) in RCA: 175] [Impact Index Per Article: 29.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 11/30/2017] [Accepted: 01/03/2018] [Indexed: 02/07/2023] Open
Abstract
Soy is a basic food ingredient of traditional Asian cuisine used for thousands of years. In Western countries, soybeans have been introduced about a hundred years ago and recently they are mainly used for surrogate foods production. Soy and soy foods are common nutritional solutions for vegetarians, due to their high protein content and versatility in the production of meat analogues and milk substitutes. However, there are some doubts about the potential effects on health, such as the effectiveness on cardiovascular risk reduction or, conversely, on the possible disruption of thyroid function and sexual hormones. The soy components that have stimulated the most research interest are isoflavones, which are polyphenols with estrogenic properties highly contained in soybeans. In this review, we discuss the characteristics of soy and soy foods, focusing on their nutrient content, including phytoestrogens and other bioactive substances that are noteworthy for vegetarians, the largest soy consumers in the Western countries. The safety of use will also be discussed, given the growing trend in adoption of vegetarian styles and the new soy-based foods availability.
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Affiliation(s)
| | - Luciana Baroni
- Primary Care Unit, Northern District, Local Health Unit 2, 31100 Treviso, Italy.
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23
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Wan X, Liu H, Sun Y, Zhang J, Chen X, Chen N. Lunasin: A promising polypeptide for the prevention and treatment of cancer. Oncol Lett 2017; 13:3997-4001. [PMID: 28599405 DOI: 10.3892/ol.2017.6017] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Accepted: 01/10/2017] [Indexed: 11/05/2022] Open
Abstract
Strategies for the treatment of cancer remain unsatisfactory due to the poor understanding of the complicated underlying molecular mechanisms of carcinogenesis. A number of types of cancer exhibit a marked association with dietary habits and lifestyles. Therefore, the modulation of dietary habits or lifestyles may be an effective strategy for preventing the formation and progression of cancer. Proteins and polypeptides from soybean have been developed as healthcare products due to their marked activity in inhibiting the progression of cancer at various stages. Lunasin, containing 43 amino acid residues, is one such example of a soybean-derived polypeptide that has been demonstrated to exhibit marked anti-cancer activity. In the present review, studies of the underlying molecular mechanisms and potential advantages of lunasin in the prevention and treatment of cancer have been examined, to provide a theoretical reference for the development of natural product-based agents or healthcare products for the prevention and treatment of cancer.
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Affiliation(s)
- Xing Wan
- School of Medicine, Hubei University for Nationalities, Enshi, Hubei 445000, P.R. China
| | - Hong Liu
- School of Medicine, Hubei University for Nationalities, Enshi, Hubei 445000, P.R. China
| | - Yong Sun
- China Meat Research Centre, Beijing 100068, P.R. China
| | - Jinlan Zhang
- China Meat Research Centre, Beijing 100068, P.R. China
| | - Xianbing Chen
- School of Medicine, Hubei University for Nationalities, Enshi, Hubei 445000, P.R. China
| | - Ning Chen
- Hubei Key Laboratory of Sport Training and Monitoring, College of Health Science, Wuhan Sports University, Wuhan, Hubei 430079, P.R. China
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Valverde ME, Orona-Tamayo D, Nieto-Rendón B, Paredes-López O. Antioxidant and Antihypertensive Potential of Protein Fractions from Flour and Milk Substitutes from Canary Seeds (Phalaris canariensis L.). PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2017; 72:20-25. [PMID: 27830352 DOI: 10.1007/s11130-016-0584-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Canary seed (Phalaris canariensis) is used to feed birds but it has been recently considered a promising cereal with nutraceutical potential for humans. The aim of this work was to analyze the protein fractions from canary seed flour and from milk substitutes (prepared by soaking the seeds in water 12 and 24 h), and to evaluate antioxidant and antihypertensive capacity of peptides obtained after in vitro digestion. Prolamins were the major protein fraction, followed by glutelins. After digestion, albumins and prolamins fractions from milks presented higher levels of peptides than flour, globulins showed more peptides in flour and glutelins were found in similar concentrations in all samples; 24 h milk prolamins had the highest concentration of peptides. Purification by high performance liquid chromatography (HPLC), sequencing of peptides, in vitro antioxidant ABTS (2,2'-azino-bis, 3-ethylbenzothiazoline-6-sulphonic acid) and DPPH (2,2-diphenyl-1-picrylhydrazyl) assays, and antihypertensive capacity (angiotensin converting enzyme (ACE) assay), indicated that peptides from canary seed prolamins were the most efficient compounds with antioxidant and antihypertensive activity. Canary seeds may be considered an accessible and cheap source to prepare milk substitutes with high contents of bioactive peptides with remarkable functional properties to promote better human health and healthy ageing.
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Affiliation(s)
- María Elena Valverde
- Centro de Investigación y de Estudios Avanzados de Instituto Politécnico Nacional, Km. 9.6 Libramiento Norte Carretera Irapuato-León, CP 36821, Irapuato, Guanajuato, Mexico.
| | - Domancar Orona-Tamayo
- Centro de Investigación y de Estudios Avanzados de Instituto Politécnico Nacional, Km. 9.6 Libramiento Norte Carretera Irapuato-León, CP 36821, Irapuato, Guanajuato, Mexico
| | - Blanca Nieto-Rendón
- Centro de Investigación y de Estudios Avanzados de Instituto Politécnico Nacional, Km. 9.6 Libramiento Norte Carretera Irapuato-León, CP 36821, Irapuato, Guanajuato, Mexico
| | - Octavio Paredes-López
- Centro de Investigación y de Estudios Avanzados de Instituto Politécnico Nacional, Km. 9.6 Libramiento Norte Carretera Irapuato-León, CP 36821, Irapuato, Guanajuato, Mexico
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25
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Limited hydrolysis combined with controlled Maillard-induced glycation does not reduce immunoreactivity of soy protein for all sera tested. Food Chem 2016; 213:742-752. [DOI: 10.1016/j.foodchem.2016.07.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 05/14/2016] [Accepted: 07/04/2016] [Indexed: 11/19/2022]
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26
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Marcela GM, Eva RG, Del Carmen RRM, Rosalva ME. Evaluation of the Antioxidant and Antiproliferative Effects of Three Peptide Fractions of Germinated Soybeans on Breast and Cervical Cancer Cell Lines. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2016; 71:368-374. [PMID: 27401682 DOI: 10.1007/s11130-016-0568-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Soybeans are an important source of bioactive molecules, such as peptides, which generation can improve through germination. In this study, the antioxidant and antiproliferative activities of three peptide fractions (>10 kDa, 5-10 kDa and <5 kDa) that were obtained by ultrafiltration of soybean protein hydrolysate after six days of germination were evaluated. The antioxidant activities of the peptide fractions were assessed by reducing power, Cu+2 and Fe+2 chelation and OH· scavenging assays, whereas their antiproliferative effects against cervical (HeLa, SiHa, CasKi) and breast (MCF7 and MDA-MB-231) cancer cell lines were evaluated by the MTT assay. Apoptosis was determined by Hoechst-PI staining. The most active peptide fraction (MAPF) was the >10 kDa fraction, which showed the greatest antioxidant and antiproliferative activity. The most sensitive cancer cell lines were the HeLa, CasKi and MDA-MB-231 cells, which had IC50 values of 16.2, 14.3 and 15.2 mg/mL, respectively, and apoptotic indices above 50 % after 6 or 8 h of exposure. The effect of MAPF on normal cells (HaCaT) was minimal. The amino acid composition of MAPF was characterized by high proline, phenylalanine and tyrosine content, and MALDI-TOF/TOF analysis showed six signals with molecular weights of 12 to 42 kDa.
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Affiliation(s)
- González-Montoya Marcela
- Departamento de Ingeniería Bioquímica, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Campus Zacatenco, Unidad Profesional "Adolfo López Mateos", Calle Wilfrido Massieu esquina Cda. Manuel Stampa. C.P, 07738, Ciudad de México, México
| | - Ramón-Gallegos Eva
- Lab. de Citopatologia Ambiental, Depto. de Morfología. Escuela Nacional de Ciencias Biológicas, Ciudad de México, México
| | - Robles-Ramírez María Del Carmen
- Departamento de Ingeniería Bioquímica, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Campus Zacatenco, Unidad Profesional "Adolfo López Mateos", Calle Wilfrido Massieu esquina Cda. Manuel Stampa. C.P, 07738, Ciudad de México, México
| | - Mora-Escobedo Rosalva
- Departamento de Ingeniería Bioquímica, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Campus Zacatenco, Unidad Profesional "Adolfo López Mateos", Calle Wilfrido Massieu esquina Cda. Manuel Stampa. C.P, 07738, Ciudad de México, México.
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27
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Li L, Wang C, Qiang S, Zhao J, Song S, Jin W, Wang B, Zhang Y, Huang L, Wang Z. Mass Spectrometric Analysis of N-Glycoforms of Soybean Allergenic Glycoproteins Separated by SDS-PAGE. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:7367-7376. [PMID: 27616296 DOI: 10.1021/acs.jafc.6b02773] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Glycosylation of many proteins has been revealed to be closely related with food allergies, and screening and structural analysis of related glycoproteins and glycoallergens are essential for studies in this field. Herein, we describe detailed N-glycoform analysis of all glycoprotein fractions of soybean protein isolate (SPI) separated by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) to disclose structural features of the glycan moieties of more soybean glycoproteins. SPI was fractionated by SDS-PAGE, and the generated protein bands were recovered and subjected to in-gel N-glycan release and labeling using a one-pot method newly developed by our group, followed by detailed analysis by electrospray ionization mass spectrometry (ESI-MS) and online hydrophilic interaction liquid chromatography coupled with electrospray ionization tandem mass spectrometry (HILIC-ESI-MS/MS). As a result, we found seven bands mainly containing oligomannose-type glycans; two mainly contain core α1,3-fucosylated glycans, and six have no glycans. This study is the first report that discovers core α1,3-fucosylated N-glycans in bands 1, 2, and 6 and discloses bands 3, 4, 5, and 7 as glycoproteins and their N-glycoforms. Therefore, it can expand our knowledge about soybean protein glycosylation and provide significant structural reference for research of soybean allergens.
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Affiliation(s)
- Lingmei Li
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University , Xi'an 710069, China
| | - Chengjian Wang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University , Xi'an 710069, China
| | - Shan Qiang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University , Xi'an 710069, China
| | - Jixiang Zhao
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University , Xi'an 710069, China
| | - Shuang Song
- School of Food Science and Technology, National Engineering Research Center of Seafood, Dalian Polytechnic University , Dalian 116034, China
| | - Wanjun Jin
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University , Xi'an 710069, China
| | - Bo Wang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University , Xi'an 710069, China
| | - Ying Zhang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University , Xi'an 710069, China
| | - Linjuan Huang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University , Xi'an 710069, China
| | - Zhongfu Wang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education and Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University , Xi'an 710069, China
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Secondary Structure and Subunit Composition of Soy Protein In Vitro Digested by Pepsin and Its Relation with Digestibility. BIOMED RESEARCH INTERNATIONAL 2016; 2016:5498639. [PMID: 27298825 PMCID: PMC4889807 DOI: 10.1155/2016/5498639] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2015] [Accepted: 01/24/2016] [Indexed: 11/25/2022]
Abstract
In the present study, in vitro digestibility and structure of soybean protein isolates (SPIs) prepared from five soybean varieties were investigated in simulated gastric fluid (SGF), using FT-IR microspectroscopy and SDS-PAGE. The result indicated that β-conformations were prone to be hydrolyzed by pepsin preferentially and transformed to unordered structure during in vitro digestion, followed by the digestion of α-helix and unordered structure. A negative linear correlation coefficient was found between the β-conformation contents of five SPIs and their in vitro digestibility values. The intensities of the protein bands corresponding to 7S and 11S fractions were decreased and many peptide bands appeared at 11~15 kDa during enzymatic hydrolysis. β-conglycinin was poorly hydrolyzed with pepsin, especially the β-7S subunit. On the other hand, basic polypeptides of glycinin degraded slower than acidic polypeptides and represented a large proportion of the residual protein after digestion. 11S-A3 of all SPIs disappeared after 1 h digestion. Moreover, a significant negative linear correlation coefficient (r = −0.89) was found between the β-7S contents of five SPIs and their in vitro digestibility values. These results are useful for further studies of the functional properties and bioactive properties of these varieties and laid theoretical foundations for the development of the specific functional soy protein isolate.
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29
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Production of bioactive peptides during soybean fermentation and their potential health benefits. Trends Food Sci Technol 2016. [DOI: 10.1016/j.tifs.2016.01.010] [Citation(s) in RCA: 223] [Impact Index Per Article: 27.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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30
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Hernández-Ledesma B, Hsieh CC. Chemopreventive role of food-derived proteins and peptides: A review. Crit Rev Food Sci Nutr 2015; 57:2358-2376. [DOI: 10.1080/10408398.2015.1057632] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Blanca Hernández-Ledesma
- Instituto de Investigación en Ciencias de la Alimentación (CIAL, CSIC-UAM, CEI UAM+CSIC), Madrid, Spain
| | - Chia-Chien Hsieh
- Department of Human Development and Family Studies (Nutritional Science and Education), National Taiwan Normal University, Taipei, Taiwan
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Inhibitory activity of chia (Salvia hispanica L.) protein fractions against angiotensin I-converting enzyme and antioxidant capacity. Lebensm Wiss Technol 2015. [DOI: 10.1016/j.lwt.2015.05.033] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Montales MTE, Simmen RCM, Ferreira ES, Neves VA, Simmen FA. Metformin and soybean-derived bioactive molecules attenuate the expansion of stem cell-like epithelial subpopulation and confer apoptotic sensitivity in human colon cancer cells. GENES AND NUTRITION 2015; 10:49. [PMID: 26506839 DOI: 10.1007/s12263-015-0499-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Accepted: 10/09/2015] [Indexed: 12/22/2022]
Abstract
Colorectal cancer (CRC) is a disease whose genesis may include metabolic dysregulation. Cancer stem cells are attractive targets for therapeutic interventions since their aberrant expansion may underlie tumor initiation, progression, and recurrence. To investigate the actions of metabolic regulators on cancer stem cell-like cells (CSC) in CRC, we determined the effects of soybean-derived bioactive molecules and the anti-diabetes drug metformin (MET), alone and together, on the growth, survival, and frequency of CSC in human HCT116 cells. Effects of MET (60 μM) and soybean components genistein (Gen, 2 μM), lunasin (Lun, 2 μM), β-conglycinin (β-con, 3 μM), and glycinin (Gly, 3 μM) on HCT116 cell proliferation, apoptosis, and mRNA/protein expression and on the frequency of the CSC CD133(+)CD44(+) subpopulation by colonosphere assay and fluorescence-activated cell sorting/flow cytometry were evaluated. MET, Gen, and Lun, individually and together, inhibited HCT116 viability and colonosphere formation and, conversely, enhanced HCT116 apoptosis. Reductions in frequency of the CSC CD133(+)CD44(+) subpopulation with MET, Gen, and Lun were found to be associated with increased PTEN and reduced FASN expression. In cells under a hyperinsulinemic state mimicking metabolic dysregulation and without and with added PTEN-specific inhibitor SF1670, colonosphere formation and frequency of the CD133(+)CD44(+) subpopulation were decreased by MET, Lun and Gen, alone and when combined. Moreover, MET + Lun + Gen co-treatment increased the pro-apoptotic and CD133(+)CD44(+)-inhibitory efficacy of 5-fluorouracil under hyperinsulinemic conditions. Results identify molecular networks shared by MET and bioavailable soy food components, which potentially may be harnessed to increase drug efficacy in diabetic and non-diabetic patients with CRC.
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Affiliation(s)
- Maria Theresa E Montales
- Department of Physiology and Biophysics, Winthrop Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Mail #505, 4301 West Markham St., Little Rock, AR, 72205, USA
| | - Rosalia C M Simmen
- Department of Physiology and Biophysics, Winthrop Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Mail #505, 4301 West Markham St., Little Rock, AR, 72205, USA
| | - Ederlan S Ferreira
- Department of Bromatological Analysis, Federal University of Bahia, 40170-115, Salvador, Brazil
| | - Valdir A Neves
- Department of Food and Nutrition, School of Pharmaceutical Science, São Paulo State University (UNESP), Araraquara, Brazil
| | - Frank A Simmen
- Department of Physiology and Biophysics, Winthrop Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Mail #505, 4301 West Markham St., Little Rock, AR, 72205, USA.
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de Souza Rocha T, Hernandez LMR, Chang YK, de Mejía EG. Impact of germination and enzymatic hydrolysis of cowpea bean ( Vigna unguiculata ) on the generation of peptides capable of inhibiting dipeptidyl peptidase IV. Food Res Int 2014; 64:799-809. [DOI: 10.1016/j.foodres.2014.08.016] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Revised: 08/06/2014] [Accepted: 08/14/2014] [Indexed: 01/16/2023]
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Har-el YE, Gerstenhaber JA, Brodsky R, Huneke RB, Lelkes PI. Electrospun soy protein scaffolds as wound dressings: Enhanced reepithelialization in a porcine model of wound healing. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.wndm.2014.04.007] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Amigo-Benavent M, Clemente A, Caira S, Stiuso P, Ferranti P, del Castillo MD. Use of phytochemomics to evaluate the bioavailability and bioactivity of antioxidant peptides of soybean β-conglycinin. Electrophoresis 2014; 35:1582-9. [PMID: 24375550 DOI: 10.1002/elps.201300527] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2013] [Revised: 12/17/2013] [Accepted: 12/18/2013] [Indexed: 12/21/2022]
Abstract
This research investigates how in vitro digestion contributes to the release of antioxidant peptides crypted in soybean β-conglycinin (7S) and its deglycosylated form (D7S). It also investigates the uptake of the bioactive peptides by human intestinal Caco-2 cells using a bicameral system, and their effect on the antioxidant cell defense. Phytochemomics is used as a tool for achieving this goal. The peptides are obtained by mimicking human physiological gastrointestinal digestion conditions. The antioxidant capacity of the peptides is tested by ABTS•(+) radical cation decolorization (2,2'-azinobis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS)) and oxygen radical absorbance capacity assays. The antioxidant power of the peptides recovered from the basolateral chamber is also evaluated by an analysis of biomarkers of cellular oxidative stress such as cell proliferation, alkaline phosphatase, and secretion of nitric oxide, lipid peroxidation, superoxide dismutase and catalase. Peptides from D7S were more active than those of 7S in the modulation of the cell proliferation, oxidative status and differentiation of Caco-2 cells treated with H2 O2 . Differences in the bioactivity of the peptides of both proteins can be explained by analysis of the structural data obtained by mass spectrophotometry. Our findings support the bioavailability of antioxidant peptides of 7S. The antioxidant properties of 7S soy protein were influenced by events such as glycosylation, digestion, and absorption. Deglycosylation seems to be an innovative strategy for improving the properties of 7S. Deglycosylation might enhance 7S antioxidant power and reduce its immunoreactivity. The combined use of advanced analytical techniques and biochemical analyses (phytochemomics) has been a key part of this study.
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Protein Modification During Ingredient Preparation and Food Processing: Approaches to Improve Food Processability and Nutrition. FOOD BIOPROCESS TECH 2014. [DOI: 10.1007/s11947-014-1326-6] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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37
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Dia VP, Bringe NA, de Mejia EG. Peptides in pepsin-pancreatin hydrolysates from commercially available soy products that inhibit lipopolysaccharide-induced inflammation in macrophages. Food Chem 2013; 152:423-31. [PMID: 24444957 DOI: 10.1016/j.foodchem.2013.11.155] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Revised: 10/26/2013] [Accepted: 11/26/2013] [Indexed: 12/23/2022]
Abstract
The potential of pepsin-pancreatin hydrolysates, from different foods, to inhibit inflammation using lipopolysaccharide (LPS)-induced RAW 264.7 macrophages as an in vitro model was evaluated. Eight different products were digested sequentially with pepsin and pancreatin and were evaluated for their anti-inflammatory properties. Hydrolysates from strawberry-banana soymilk (SBH), mixed berry soymilk (MXH) and vanilla soymilk (SVMH) inhibited the production of nitric oxide (27.9%, 16.4% and 28.6%, respectively), interleukin-1β (26.3%, 39.5% and 21.6%, respectively) and tumour necrosis factor-α (50.2%, 47.5% and 33.3%, respectively). In addition, SBH, MXH and SVMH inhibited the expression of pro-inflammatory enzymes: inducible nitric oxide synthase (66.7%, 65.1% and 88.0%, respectively) and cyclooxygenase-2 (62.0%, 69.9% and 40.6%, respectively). Bioactive peptides (RQRK and VIK) were generated. In conclusion, soymilk products can potentially be used to maintain health under inflammatory stress.
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Affiliation(s)
- Vermont P Dia
- University of Illinois, Urbana-Champaign, 1201 West Gregory Drive, Urbana, IL 61801, USA
| | - Neal A Bringe
- The WhiteWave Foods Company, 12002 Airport Way, Broomfield, CO 80021, USA
| | - Elvira G de Mejia
- University of Illinois, Urbana-Champaign, 1201 West Gregory Drive, Urbana, IL 61801, USA.
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38
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Robles-Ramírez MDC, Ramón-Gallegos E, Reyes-Duarte FJ, Mora-Escobedo R. Effect of germinated soy protein on the growth of HeLa cervical cancer cells in female athymic mice. Nutr Cancer 2013; 64:1261-8. [PMID: 23163854 DOI: 10.1080/01635581.2012.717681] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Previous studies showed that germination could improve the antiproliferative effect of soy protein on cervical cancer cells and that a peptide fraction (MAPF) from germinated soybeans decreases the expression of PTTG1 and TOP2A (2 genes considered as therapeutic targets) causing apoptosis of cancer cells. The aim of this work was to study the effect of feeding germinated soybean protein diets on the tumor growth in nude mice inoculated with cervical cancer cells and identify the bioactive component. Mice were randomly assigned to 1 of the 6 dietary groups based in AIN-93G formulation with 6 protein sources: casein, ungerminated soy protein (SP), and SP from 2 and 6 days of germination, with and without ethanol-soluble phytochemicals (ESPC). Compared with casein-fed controls, the tumor volumes after 5 wk were reduced by 44.6% by ungerminated SP, 98.9% by 2-day-germinated SP, 97.7% by 2-day-germinated SP without ESPC, 94.7% by 6-day-germinated SP, and 92.7% by 6-day-germinated SP without ESPC (P < 0.05). Liquid chromatography coupled with tandem mass spectrometry analysis of MAPF showed that the bioactive peptide might be the leginsulin, a peptide involved in signal transduction of soybean cells. Germination is a simple procedure that could help to increase the anticancer activity of soy protein probably through generation of biologically active peptides.
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Margatan W, Ruud K, Wang Q, Markowski T, Ismail B. Angiotensin converting enzyme inhibitory activity of soy protein subjected to selective hydrolysis and thermal processing. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:3460-3467. [PMID: 23514371 DOI: 10.1021/jf4001555] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Soy protein isolate (SPI) and β-conglycinin- and glycinin-rich fractions were hydrolyzed using papain and pepsin. Protein denaturation, profiling, and peptide identification were carried out following DSC, SDS-PAGE, and liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis. The in vitro antihypertensive activity of the hydrolysates was compared by determining the angiotensin converting enzyme (ACE) inhibitory activity. SDS-PAGE and LC-MS/MS analysis confirmed pepsin selectivity to glycinin and papain partial selectivity to β-conglycinin when the protein is least denatured. Both the papain-hydrolyzed SPI and the papain-hydrolyzed β-conglycinin-rich fraction had more than double the ACE inhibitory activity of that of pepsin-hydrolyzed SPI and pepsin-hydrolyzed glycinin-rich fraction. This observation indicated that β-conglycinin is a better precursor for antihypertensive peptides than glycinin. Additionally, the inhibitory activity of the papain-hydrolyzed SPI was thermally stable. This work demonstrated, for the first time, that selective hydrolysis to release peptides with ACE inhibitory activity can be accomplished without inducing extensive hydrolysis and performing unnecessary fractionation.
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Affiliation(s)
- Wynnie Margatan
- Food Science and Nutrition, University of Minnesota, St. Paul, Minnesota 55108-1038, United States
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40
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In vitro inhibition of dipeptidyl peptidase IV by peptides derived from the hydrolysis of amaranth (Amaranthus hypochondriacus L.) proteins. Food Chem 2013; 136:758-64. [DOI: 10.1016/j.foodchem.2012.08.032] [Citation(s) in RCA: 152] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2012] [Revised: 07/26/2012] [Accepted: 08/14/2012] [Indexed: 11/18/2022]
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41
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Vernaza MG, Dia VP, de Mejia EG, Chang YK. Antioxidant and antiinflammatory properties of germinated and hydrolysed Brazilian soybean flours. Food Chem 2012; 134:2217-25. [PMID: 23442677 DOI: 10.1016/j.foodchem.2012.04.037] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2011] [Revised: 03/18/2012] [Accepted: 04/09/2012] [Indexed: 12/01/2022]
Abstract
The effect of germination in combination with Alcalase hydrolysis of Brazilian soybean cultivar BRS 133 on the production of soybean flours with bioactive peptides as modulators of oxidative stress and markers of inflammation was monitored. The electrophoretic profile showed a weak protein breakdown during germination. However, a strong breakdown of the proteins can be observed after the first hour of hydrolysis with Alcalase. MALDI-TOF-MS analysis of the protein extracts showed differences in the intensity and profile of peptide mass fingerprint due to germination and hydrolysis. Germinated flour showed higher soluble protein concentration and antioxidant capacity. All soybean protein extracts and protein hydrolysates produced (G0, G18 and G72) showed a significant (p<0.05) inhibition on inflammatory markers such as nitric oxide (20.5-69.3%), iNOS (22.8-93.6%), PGE(2) (64.0-88.3%), COX-2 (36.2-76.7%), and TNF-α (93.9-99.5%) in LPS-induced RAW 264.7 macrophages. However, protein extracts of flours with 18 h of germination were more potent in inhibiting pro-inflammatory responses when compared to 72 h. It can be concluded that a combination of 72 h of soybean BRS 133 germination and 1h Alcalase hydrolysis resulted in the formation of bioactive compounds with more potent antioxidant activity, and improvement in the reduction of some of the markers of inflammation.
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Affiliation(s)
- Maria Gabriela Vernaza
- Department of Food Technology, School of Food Engineering, University of Campinas (UNICAMP), Campinas, Brazil
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42
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Pabona JMP, Dave B, Su Y, Montales MTE, de Lumen BO, de Mejia EG, Rahal OM, Simmen RCM. The soybean peptide lunasin promotes apoptosis of mammary epithelial cells via induction of tumor suppressor PTEN: similarities and distinct actions from soy isoflavone genistein. GENES AND NUTRITION 2012; 8:79-90. [PMID: 22864686 DOI: 10.1007/s12263-012-0307-5] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2012] [Accepted: 07/12/2012] [Indexed: 01/20/2023]
Abstract
Breast cancer is the leading cause of cancer deaths in women. Diet and lifestyle are major contributing factors to increased breast cancer risk. While mechanisms underlying dietary protection of mammary tumor formation are increasingly elucidated, there remains a dearth of knowledge on the nature and precise actions of specific bioactive components present in foods with purported health effects. The 43-amino acid peptide lunasin (LUN) is found in soybeans, is bioavailable similar to the isoflavone genistein (GEN), and thus may mediate the beneficial effects of soy food consumption. Here, we evaluated whether LUN displays common and distinct actions from those of GEN in non-malignant (mouse HC11) and malignant (human MCF-7) mammary epithelial cells. In MCF-7 cells, LUN up-regulated tumor suppressor phosphatase and tensin homolog deleted in chromosome ten (PTEN) promoter activity, increased PTEN transcript and protein levels and enhanced nuclear PTEN localization, similar to that shown for GEN in mammary epithelial cells. LUN-induced cellular apoptosis, akin to GEN, was mediated by PTEN, but unlike that for GEN, was p53-independent. LUN promoted E-cadherin and β-catenin non-nuclear localization similar to GEN, but unlike GEN, did not influence the proliferative effects of oncogene Wnt1 on HC11 cells. Further, LUN did not recapitulate GEN inhibitory effects on expansion of the cancer stem-like/progenitor population in MCF-7 cells. Results suggest the concerted actions of GEN and LUN on cellular apoptosis for potential mammary tumor preventive effects and highlight whole food consumption rather than intake of specific dietary supplements with limited biological effects for greater health benefits.
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Affiliation(s)
- John Mark P Pabona
- Physiology and Biophysics, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
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43
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Cederroth CR, Zimmermann C, Nef S. Soy, phytoestrogens and their impact on reproductive health. Mol Cell Endocrinol 2012; 355:192-200. [PMID: 22210487 DOI: 10.1016/j.mce.2011.05.049] [Citation(s) in RCA: 107] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2011] [Revised: 05/06/2011] [Accepted: 05/13/2011] [Indexed: 11/24/2022]
Abstract
There is growing interest in the potential health threats posed by endocrine-disrupting chemicals (EDCs) to the reproductive system. Soybean is the most important dietary source of isoflavones, an important class of phytoestrogen. While consumption of soy food or phytoestrogen supplements has been frequently associated with beneficial health effects, the potentially adverse effects on development, fertility, and the reproductive and endocrine systems are likely underappreciated. Here we review the available epidemiological, clinical and animal data on the effects of soy and phytoestrogens on the development and function of the male and female reproductive system, and weigh the evidence as to their detrimental impact.
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Affiliation(s)
- Christopher Robin Cederroth
- Department of Genetic Medicine and Development, University of Geneva Medical School, 1211 Geneva, Switzerland
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44
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Quiroga AV, Aphalo P, Ventureira JL, Martínez EN, Añón MC. Physicochemical, functional and angiotensin converting enzyme inhibitory properties of amaranth (Amaranthus hypochondriacus) 7S globulin. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2012; 92:397-403. [PMID: 21834100 DOI: 10.1002/jsfa.4590] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2011] [Revised: 06/07/2011] [Accepted: 07/01/2011] [Indexed: 05/31/2023]
Abstract
BACKGROUND Amaranth 7S globulin is a minor globulin component and its impact on the properties of an amaranth protein ingredient depends on its proportion in the variety of amaranth being considered. Some physicochemical, functional and angiotesin I-converting enzyme (ACE) inhibitory properties of amaranth vicilin were studied in this work and compared with the 11S globulin. RESULTS Fluorescence spectroscopy results indicated that 7S globulin tryptophans were more exposed to the solvent and, by calorimetry, the 7S globulin denaturation temperature (T(d) ) was found lower than the 11S globulin T(d) , suggesting a more flexible structure. The 7S globulin surface hydrophobicity was higher than that of the 11S globulin, which is in agreement with the better emulsifying properties of the 7S globulin. The solubility in neutral buffer of the 7S globulin (851 ± 25 g kg(-1) ) was also higher than that of the 11S globulin (195 ± 6 g kg(-1) ). Bioinformatic analyses showed the presence of ACE inhibitory peptides encrypted in 7S tryptic sequences and peptides released after in vitro gastrointestinal digestion showed a high ACE-inhibitory capacity (IC(50) = 0.17 g L(-1) ), similar to that of 11S globulin peptides. CONCLUSION Compared with the 11S globulin, the 7S globulin presents similar ACE inhibitory activity and some functional advantages, better solubility and emulsifying activity, which suits some food requirements. The functional behavior has been related with the structural properties.
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Affiliation(s)
- Alejandra V Quiroga
- Facultad de Ciencias Exactas, Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA), Universidad Nacional de La Plata y Consejo Nacional de Investigaciones Científicas y Técnicas, calle 47 y 116, 1900 La Plata, Argentina
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45
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Udenigwe CC, Aluko RE. Food Protein-Derived Bioactive Peptides: Production, Processing, and Potential Health Benefits. J Food Sci 2011; 77:R11-24. [DOI: 10.1111/j.1750-3841.2011.02455.x] [Citation(s) in RCA: 583] [Impact Index Per Article: 44.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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46
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Michiels JF, Sart S, Schneider YJ, Agathos S. Effects of a soy peptone on γ-IFN production steps in CHO-320 cells. Process Biochem 2011. [DOI: 10.1016/j.procbio.2011.05.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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47
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Matemu AO, Nakamura K, Kayahara H, Murasawa H, Katayama S, Nakamura S. Enhanced antiviral activity of soybean β-conglycinin-derived peptides by acylation with saturated fatty acids. J Food Sci 2011; 76:M299-304. [PMID: 22417502 DOI: 10.1111/j.1750-3841.2011.02248.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Peptide mixtures prepared from soybean β-conglycinin (7S-peptides) were acylated with saturated fatty acids of different chain length (6C-18C) in order to improve their antiviral activity against Feline calicivirus (FCV) strain F9 which is a typical norovirus surrogate. Among the fatty acids varieties, it was revealed that 7S-peptides acylated with myristic and palmitic acids potently inhibited FCV replication. Myristorylation and palmitoylation of 7S-peptides kept host cells viability at 91.51% and 98.90%, respectively. The infectivity of FCV on Crandell-Reese feline kidney cells was further determined after exposure of initial titer of 10(6.47) TCID₅₀/mL. Myristoylated and palmitoylated 7S-peptides significantly (P < 0.006) reduced FCV infectivity as compared to native 7S-peptides. Native 7S-peptides showed 25% FCV inhibitory activity while myristoylated and palmitoylated 7S-peptides exhibited 98.59% and 99.98% reduction in FCV infectivity, respectively. Myristoylated and palmitoylated 7S-peptides demonstrated higher anti-FCV activity in a wide range of concentration with complete reduction at 25 μg/mL. Surface hydrophobicity was significantly (P < 0.05) increased after attachment of long hydrocarbon fatty acids to 7S-peptides as supported by changes in fluorescence intensity. Enzymatic hydrolysis together with acylation will give an insight into surface and physiological functional lipopeptides derived from soy β-conglycinin.
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Affiliation(s)
- Athanasia O Matemu
- Dept. of Bioscience and Biotechnology, Shinshu Univ., 8304 Minamiminowamura, Nagano 399-4598, Japan
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48
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Ma Y, Wang T. Identification and Validation of Soy Peptides with In‐vitro Hemagglutination Activity. J AM OIL CHEM SOC 2010. [DOI: 10.1007/s11746-010-1725-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yating Ma
- Department of Food Science and Human NutritionIowa State University2312 Food Sciences BuildingAmesIA50011‐1061USA
| | - Tong Wang
- Department of Food Science and Human NutritionIowa State University2312 Food Sciences BuildingAmesIA50011‐1061USA
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49
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Darmawan R, Bringe NA, de Mejia EG. Antioxidant capacity of alcalase hydrolysates and protein profiles of two conventional and seven low glycinin soybean cultivars. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2010; 65:233-40. [PMID: 20809410 DOI: 10.1007/s11130-010-0185-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Soy protein hydrolysates are considered a potential dietary source of natural antioxidants with important biological activities. This study was conducted to compare the effect of two conventional and seven low glycinin soybean cultivars on the antioxidant capacity (AC) of soy hydrolysates. Nine cultivars were grown in Bloomington, IL, Findlay, OH and Huxley, IA. The hydrolysates were produced enzymatically using alcalase and analyzed for AC using oxygen radical absorbance capacity (ORAC) assay and soluble protein. Statistical differences were observed in the protein profiles and AC among the different cultivars tested (P < 0.05). The hydrolysate from low glycinin cultivar 3 enriched in β-conglycinin, grown in Bloomington, exhibited the highest AC, compared to the other cultivars across all locations. On average, soy cultivars rich in BC and purified BC hydrolysates (36.2 and 31.8 μM Trolox equivalents (TE)/μg soluble protein, respectively) (P > 0.05) had higher AC than purified glycinin (GL) hydrolysate (28.5 μM TE/μg soluble protein) (P < 0.05). It was possible to select a soybean cultivar that produced a higher antioxidant capacity upon alcalase hydrolysis.
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Affiliation(s)
- Rudy Darmawan
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, 228 ERML, MC-051, 1201 W. Gregory Drive, Urbana, IL 61801, USA
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50
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Chen Y, Ono T. Simple extraction method of non-allergenic intact soybean oil bodies that are thermally stable in an aqueous medium. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2010; 58:7402-7407. [PMID: 20509658 DOI: 10.1021/jf1006159] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
This study supplied a simple extraction method for intact soybean oil body (ISOB) and examined the heating effect on ISOB. ISOB, which just contained its intrinsic protein (oleosin), could be obtained by pH 11 extraction (50000g, 45 min). ISOB suspension was dialyzed to deionized water (1:3600) and named DISOB. DISOB aggregated at pH 5.7, but NaCl pre-addition (5-500 mM) made ISOB disperse well at pH 5.7. The heating (30, 40, 50, 60, 70, 80, and 90 degrees C and boiling water baths, 30 min) did not affect the particle size distributions of ISOB. The pH and CaCl(2) effects on DISOB and its surface hydrophobicity were also not affected by heating (>95 degrees C, 5 min). Both unheated and heated ISOB were bound to native soybean protein but were not bound to the heat-denatured one. Thus, it was suggested that ISOB changed little by heating. This study was meaningful in two aspects: (1) pH 11 extraction removed beta-conglycinin, glycinin, and allergenic proteins (such as Gly m Bd 30K), and the obtained ISOB had good stability in an aqueous medium. (2) Heating could denature the contamination allergenic proteins.
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Affiliation(s)
- Yeming Chen
- The United Graduate School of Agricultural Sciences, Iwate University, Morioka, Iwate, Japan.
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