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Pereira A, Ramos F, Sanches Silva A. Lupin ( Lupinus albus L.) Seeds: Balancing the Good and the Bad and Addressing Future Challenges. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238557. [PMID: 36500649 PMCID: PMC9737668 DOI: 10.3390/molecules27238557] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022]
Abstract
Lupinus albus L. (lupine) is a legume whose grain/seed has gained increasing interest. Its recognized nutritional properties, namely a high content of protein, dietary fiber and its low fat content, make lupine a suitable alternative not only for animal protein, but also as a substitute for more processed and less balanced flours from a nutritional point of view, used in the preparation of bread, cakes and cookies, among others. In addition, its nutritional and bioactive compounds have potential benefits for human health in the prevention and treatment of some diseases. However, the existence of some anti-nutritional compounds and contaminants reveal some concern, requiring effective methods for their detection and eventual removal. This review intends to address the potential of lupine (L. albus) in food and human health and to balance the pros and cons. Nutritional and anti-nutritional components of L. albus seeds and possible contaminants of lupine seeds are examined. The potential health benefits of lupine (seeds), including energy metabolism, cardiovascular diseases, hypertension, glucose and insulin metabolism, bower function and anticonvulsant action, are discussed based on scientific evidence (both clinical trials and studies performed with animal models).
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Affiliation(s)
- Ana Pereira
- Faculty of Pharmacy, University of Coimbra, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Fernando Ramos
- Faculty of Pharmacy, University of Coimbra, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
- REQUIMTE/LAQV, Rua D. Manuel II, Apartado 55142, 4050-346 Porto, Portugal
| | - Ana Sanches Silva
- Faculty of Pharmacy, University of Coimbra, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
- National Institute for Agrarian and Veterinary Research (INIAV), I.P., Rua dos Lagidos, Lugar da Madalena, Vairão, 4485-655 Vila do Conde, Portugal
- Center for Study in Animal Science (CECA), ICETA, University of Porto, 4050-346 Porto, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), 1300-477 Lisbon, Portugal
- Correspondence: or
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Lupin (Lupinus spp.)-Fortified Bread: A Sustainable, Nutritionally, Functionally, and Technologically Valuable Solution for Bakery. Foods 2022; 11:foods11142067. [PMID: 35885310 PMCID: PMC9316204 DOI: 10.3390/foods11142067] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/04/2022] [Accepted: 07/08/2022] [Indexed: 02/04/2023] Open
Abstract
The purpose of this paper is to evaluate the nutritional, phytochemical, rheological, technological, and sensory properties of wheat flour dough and bread under a replacement of lupin flour at level 10, 20, and 30%. In this sense, the proximate composition, fatty acids profile, the content in total polyphenols content (TPC), antioxidant activity (AA), and flavonoids content (TFC) of lupin; wheat and flour composites; and the bread obtained from them were determined. The rheological properties of the dough using the Mixolab system were also evaluated. The results showed an improvement in the nutritional properties of bread with addition of lupin in the composite flour, especially in terms of proteins, lipids, and mineral substances and a significant increases of functional attributes, such as TPC, TFC, and AA, which recorded the highest values in the bread with 30% lupin flour (76.50 mg GAE/100 g, 8.54 mg QE/100 g, 54.98%). The decrease of lupin bread volume compared to wheat bread ranged between 0.69–7.37%, porosity between 6.92–35.26%, elasticity between 63–70%, and H/D between 3.17–19.05%. The rheological profile of the dough obtained with lupin flours indicates a moderate stability and proper kneading behavior. The sensory analysis was also performed in order to identify the consumer’s acceptability regarding this type of bread. According to a 5-point hedonic scale, the most highly appreciated was the bread with 10% lupin flour, which obtained mean scores of 4.73 for general acceptability as compared with control bread (4.43).
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3
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Malekipoor R, Johnson SK, Bhattarai RR. Lupin Kernel Fibre: Nutritional Composition, Processing Methods, Physicochemical Properties, Consumer Acceptability and Health Effects of Its Enriched Products. Nutrients 2022; 14:nu14142845. [PMID: 35889802 PMCID: PMC9315693 DOI: 10.3390/nu14142845] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 07/04/2022] [Accepted: 07/08/2022] [Indexed: 12/25/2022] Open
Abstract
The kernels (dehulled seeds) of lupins (Lupinus spp.) contain far higher dietary fibre levels than other legumes. This fibre is a complex mixture of non-starch polysaccharides making up the thickened cell walls of the kernel. The fibre has properties of both insoluble and soluble fibres. It is a major by-product of the manufacture of lupin protein isolates, which can be dried to produce a purified fibre food ingredient. Such an ingredient possesses a neutral odour and flavour, a smooth texture, and high water-binding and oil-binding properties. These properties allow its incorporation into foods with minimum reduction in their acceptability. The lupin kernel fibre (LKF) has demonstrated beneficial effects in clinical studies on biomarkers for metabolic diseases such as obesity, type 2 diabetes, and cardiovascular disease. It can be described as a “prebiotic fibre” since it improves gut micro-floral balance and the chemical environment within the colon. Thus, LKF is a health-functional ingredient with great opportunity for more widespread use in foods; however, it is evident that more non-thermal methods for the manufacture of lupin kernel fibre should be explored, including their effects on the physicochemical properties of the fibre and the effect on health outcomes in long term clinical trials.
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Affiliation(s)
- Rahil Malekipoor
- School of Molecular and Life Sciences, Faculty of Science and Engineering, Curtin University, Bentley, WA 6102, Australia; (R.M.); (S.K.J.)
| | - Stuart K. Johnson
- School of Molecular and Life Sciences, Faculty of Science and Engineering, Curtin University, Bentley, WA 6102, Australia; (R.M.); (S.K.J.)
- Ingredients by Design Pty Ltd., Lesmurdie, WA 6076, Australia
| | - Rewati R. Bhattarai
- School of Molecular and Life Sciences, Faculty of Science and Engineering, Curtin University, Bentley, WA 6102, Australia; (R.M.); (S.K.J.)
- Correspondence: ; Tel.: +61-8-9266-5182
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Therapeutic Benefits and Dietary Restrictions of Fiber Intake: A State of the Art Review. Nutrients 2022; 14:nu14132641. [PMID: 35807822 PMCID: PMC9268622 DOI: 10.3390/nu14132641] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 06/21/2022] [Accepted: 06/23/2022] [Indexed: 02/04/2023] Open
Abstract
Throughout history, malnutrition and deficiency diseases have been a problem for our planet’s population. A balanced diet significantly influences everyone’s health, and fiber intake appears to play a more important role than previously thought. The natural dietary fibers are a category of carbohydrates in the constitution of plants that are not completely digested in the human intestine. High-fiber foods, such as fruits, vegetables and whole grains, have consistently been highly beneficial to health and effectively reduced the risk of disease. Although the mode of action of dietary fiber in the consumer body is not fully understood, nutritionists and health professionals unanimously recognize the therapeutic benefits. This paper presents the fiber consumption in different countries, the metabolism of fiber and the range of health benefits associated with fiber intake. In addition, the influence of fiber intake on the intestinal microbiome, metabolic diseases (obesity and diabetes), neurological aspects, cardiovascular diseases, autoimmune diseases and cancer prevention are discussed. Finally, dietary restrictions and excess fiber are addressed, which can cause episodes of diarrhea and dehydration and increase the likelihood of bloating and flatulence or even bowel obstruction. However, extensive studies are needed regarding the composition and required amount of fiber in relation to the metabolism of saprotrophic microorganisms from the enteral level and the benefits of the various pathologies with which they can be correlated.
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Lupins and Health Outcomes: A Systematic Literature Review. Nutrients 2022; 14:nu14020327. [PMID: 35057507 PMCID: PMC8777979 DOI: 10.3390/nu14020327] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/11/2022] [Accepted: 01/11/2022] [Indexed: 02/06/2023] Open
Abstract
Lupins have a unique nutrient profile among legumes and may have beneficial health effects when included in the diet. The aim of this systematic review was to investigate the effects of lupin on a range of health outcome measures. Databases included MEDLINE, Embase and CINAHL, and focused on controlled intervention studies on healthy adults and those with chronic disease such as type 2 diabetes, cardiovascular disease and overweight. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses protocol was followed. Investigated intervention diets utilised whole lupin, lupin protein or lupin fibre, and outcomes were measured by markers of chronic disease, body weight and satiety. Quality assessment of results was performed using the Cochrane revised risk of bias tool. Overall, 21 studies with 998 participants were included: 12 using whole lupin, four used lupin protein and five lupin fibre. Beneficial changes were observed in 71% of studies that measured blood pressure, 83% measuring satiety and 64% measuring serum lipids. Unintended weight loss occurred in 25% of studies. Whole lupin demonstrated more consistent beneficial effects for satiety, glycaemic control and blood pressure than lupin protein or lupin fibre. Heterogeneity, low study numbers and a small participant base indicated further studies are required to strengthen current evidence particularly regarding the protein and dietary fibre components of lupin.
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Xu B, Cao J, Fu J, Li Z, Jin M, Wang X, Wang Y. The effects of nondigestible fermentable carbohydrates on adults with overweight or obesity: a meta-analysis of randomized controlled trials. Nutr Rev 2021; 80:165-177. [PMID: 33997907 DOI: 10.1093/nutrit/nuab018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
CONTEXT Nondigestible fermentable carbohydrates (NDFCs) can be fermented by microbiota, thereby yielding metabolites that have a beneficial role in the prevention and treatment of obesity and its complications. However, to our knowledge, no meta-analysis has been conducted to evaluate the effects of NDFCs on obesity. OBJECTIVE To conduct a meta-analysis of randomized controlled trials (RCTs) to summarize existing evidence on the effects of numerous NDFCs on adiposity and cardiovascular risk factors in adults with overweight or obesity with ≥2 weeks of follow-up. DATA SOURCES The following databases were searched: MEDLINE, Embase, and CINAHL. DATA EXTRACTION Seventy-seven RCTs with 4535 participants were identified for meta-analysis from the 3 databases. DATA ANALYSIS The findings suggest that increased intake of NDFCs is significantly effective in reducing body mass index by 0.280 kg/m2, weight by 0.501 kg, hip circumference by 0.554 cm, waist circumference by 0.649 cm, systolic blood pressure by 1.725 mmHg, total cholesterol by 0.36 mmol/L, and low-density lipoprotein by 0.385 mmol/L, with evidence of moderate-to-high quality. CONCLUSION Convincing evidence from meta-analyses of RCTs indicates that increased NDFC intake improves adiposity, blood lipid levels, and systolic blood pressure in people with overweight and obesity.
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Affiliation(s)
- Bocheng Xu
- B. Xu, J. Cao, J. Fu, Z. Li, M. Jin, X. Wang, and Y. Wang are with the College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Jinping Cao
- B. Xu, J. Cao, J. Fu, Z. Li, M. Jin, X. Wang, and Y. Wang are with the College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Jie Fu
- B. Xu, J. Cao, J. Fu, Z. Li, M. Jin, X. Wang, and Y. Wang are with the College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Zhi Li
- B. Xu, J. Cao, J. Fu, Z. Li, M. Jin, X. Wang, and Y. Wang are with the College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Mingliang Jin
- B. Xu, J. Cao, J. Fu, Z. Li, M. Jin, X. Wang, and Y. Wang are with the College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Xinxia Wang
- B. Xu, J. Cao, J. Fu, Z. Li, M. Jin, X. Wang, and Y. Wang are with the College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Yizhen Wang
- B. Xu, J. Cao, J. Fu, Z. Li, M. Jin, X. Wang, and Y. Wang are with the College of Animal Sciences, Zhejiang University, Hangzhou, China
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Study on the Correlation between the Protein Profile of Lupin Milk and Its Cheese Production Compared with Cow's Milk. Molecules 2021; 26:molecules26082395. [PMID: 33924144 PMCID: PMC8074395 DOI: 10.3390/molecules26082395] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/15/2021] [Accepted: 04/16/2021] [Indexed: 11/16/2022] Open
Abstract
Australian sweet lupin, the largest legume crop grown in Western Australia, is receiving global attention from the producers of new foods. To understand the effect of protein on cheese yield, lupin milk proteins were separated from the first, second, and third filtrations by cheesecloths. However, proteins from the first and second were analyzed using two-dimensional polyacrylamide gel electrophoresis; then, the isolated proteins associated with cheese production were identified. The research also focused on identifying the optimal method of cheese production based on the coagulation process, temperature, yield, and sensory evaluation. Lupin curds from the two cultivars, Mandelup and PBA Jurien, were produced using vinegar, lemon juice, starter culture, vegetable rennet enzyme as coagulant, as well as curd generated using starter culture and vegetable rennet enzyme. Cow's milk was used as a control. The results indicated that first-time filtration produced better extraction and higher yield of lupin proteins and cheese than the second filtration. A sensory analysis indicated that lupin cheese produced from PBA Jurien lupin milk using vinegar, 7.80% expressed as acetic acid, and ground in 45 °C water, was the most acceptable. The cheeses were examined for their protein, carbohydrates, fat, ash, and moisture contents. The concentration of protein was approximately 27.3% and 20.6%, respectively, in the cheese from PBA Jurien and Mandelup. These results suggest that lupin milk can adequately supply the proteins needed in human diets and, thus, could be used in the production of many existing products that require animal milk as an input.
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Cutillo S, Farahnaky A, Marcotuli I, Gadaleta A, Sissons M. In vitro
starch digestion and technological properties of spaghetti fortified with lupin protein isolate. Int J Food Sci Technol 2021. [DOI: 10.1111/ijfs.14984] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Silvia Cutillo
- NSW Department of Primary Industries Tamworth Agricultural Institute 4 Marsden Park Road Tamworth NSW2340Australia
- Department of Soil, Plant and Food Sciences University of Bari 'Aldo Moro' Via G. Amendola 165/A Bari Italy
| | - Asgar Farahnaky
- Biosciences and Food Technology School of Science RMIT University Bundoora West Campus Melbourne Vic.3083Australia
| | - Ilaria Marcotuli
- Department of Agricultural and Environmental Science University of Bari ‘Aldo Moro’ Via G. Amendola 165/A Bari70126Italy
| | - Agata Gadaleta
- Department of Agricultural and Environmental Science University of Bari ‘Aldo Moro’ Via G. Amendola 165/A Bari70126Italy
| | - Mike Sissons
- NSW Department of Primary Industries Tamworth Agricultural Institute 4 Marsden Park Road Tamworth NSW2340Australia
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Could Fecal Microbiota Be a Useful Indicator of Serum Cholesterol Levels among Men? J Pers Med 2020; 10:jpm10040175. [PMID: 33081299 PMCID: PMC7712372 DOI: 10.3390/jpm10040175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 09/27/2020] [Accepted: 10/12/2020] [Indexed: 11/17/2022] Open
Abstract
Trepidation with blood tests among men may result in fewer routine screening and examination of their cardiovascular risk factors. Associations between fecal microbiota and serum cholesterols have not been well-established. The aim of this study was to explore such association in order to determine the potential of fecal microbiota as a non-invasive alternate predictor of serum cholesterols. Secondary data from a cross-over trial were analyzed. Associations between fecal microbiota, mainly Bifidobacterium and Clostridial group, of healthy men (n = 16) and their total cholesterols, low and high-density lipoprotein cholesterols (LDL-C and HDL-C) were assessed using generalized estimating equations, adjusted for diet intervention, diet order, frequency of defecation and flatulence level. For every two-fold increase in fecal Bifidobacterium, geometric mean of LDL-C increases by a factor of 1.23 (95% CI: 1.01, 1.49) whilst that of HDL-C increases by a factor of 1.07 (95% CI: 1.03, 1.10). For every two-fold increase in Clostridial group (C. ramosum, C. spiroforme and C. cocleatum), geometric mean of HDL-C decreases by a factor of 1.10 (95% CI: −1.16, −1.03). No association was found between total bacteria and serum cholesterols. Fecal Bifidobacterium spp. and Clostridium spp., are potential non-invasive surrogate markers of men’s serum cholesterols.
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Olukomaiya OO, Adiamo OQ, Fernando WC, Mereddy R, Li X, Sultanbawa Y. Effect of solid-state fermentation on proximate composition, anti-nutritional factor, microbiological and functional properties of lupin flour. Food Chem 2020; 315:126238. [DOI: 10.1016/j.foodchem.2020.126238] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 12/05/2019] [Accepted: 01/16/2020] [Indexed: 01/16/2023]
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Karami S, Shamshiri S, Abdollahi M, Rahimi R. An Evidence-based Review of Medicinal Plants used in Traditional Persian Medicine for Treatment of Osteoarthritis. Curr Drug Discov Technol 2020; 18:244-271. [PMID: 32178613 DOI: 10.2174/1570163817666200316105658] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 01/16/2020] [Accepted: 01/16/2020] [Indexed: 11/22/2022]
Abstract
Osteoarthritis (OA) is known to be the leading cause of pain and disability in the elderly. The prevalence of this disease in adults over 60 years was 9.6% in men and 18% in women. The therapeutic goals of this disease generally include pain relief with the least side effects, improvement of articular function and improvement of life, in which pharmacological and nonpharmacological treatments are performed in different protocols. Due to the common side effects of pain relievers and complaints after invasive joint surgeries, there is a growing interest in the use of Traditional and Complementary protocols in OA treatment. In this paper, different sources of Traditional Persian Medicine (TPM) were searched to obtain any evidence evaluating any medicinal plants in the management of OA. Over 250 effective medicinal plants for the treatment of OA have been introduced in these sources, and by searching electronic databases including PubMed and Scopus, we have found that of these plants, 39 have direct or indirect evidence in the treatment of this complication by different mechanism of actions such as effect on Body mass index (BMI), obesity and dyslipidemia, anti-inflammatory, anti-nociceptive and antioxidant activity. The most important medicinal plants with direct evidence in the management of OA are Allium sativum, Commiphora mukul, Linum usitatissimum, Matricaria chamomilla, Nigella sativa, Zingiber officinale, and Piper nigrum. Medicinal plants seem to be a valuable source for discovering and identifying new drugs for treatment of OA; however, since most of the studies are preclinical, further clinical trials are required to achieve more conclusive results.
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Affiliation(s)
- Soodeh Karami
- Department of Traditional Pharmacy, School of Persian Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Shiva Shamshiri
- Department of Traditional Pharmacy, School of Persian Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Abdollahi
- Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Roja Rahimi
- Department of Traditional Pharmacy, School of Persian Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Armet AM, Deehan EC, Thöne JV, Hewko SJ, Walter J. The Effect of Isolated and Synthetic Dietary Fibers on Markers of Metabolic Diseases in Human Intervention Studies: A Systematic Review. Adv Nutr 2020; 11:420-438. [PMID: 31342059 PMCID: PMC7442353 DOI: 10.1093/advances/nmz074] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 05/22/2019] [Accepted: 06/14/2019] [Indexed: 12/25/2022] Open
Abstract
Observational studies provide strong evidence for the health benefits of dietary fiber (DF) intake; however, human intervention studies that supplement isolated and synthetic DFs have shown inconsistent results. Therefore, we conducted a systematic review to summarize the effects of DF supplementation on immunometabolic disease markers in intervention studies in healthy adults, and considered the role of DF dose, DF physicochemical properties, intervention duration, and the placebo used. Five databases were searched for studies published from 1990 to 2018 that assessed the effect of DF on immunometabolic markers. Eligible studies were those that supplemented isolated or synthetic DFs for ≥2 wk and reported baseline data to assess the effect of the placebo. In total, 77 publications were included. DF supplementation reduced total cholesterol (TC), LDL cholesterol, HOMA-IR, and insulin AUC in 36-49% of interventions. In contrast, <20% of the interventions reduced C-reactive protein (CRP), IL-6, glucose, glucose AUC, insulin, HDL cholesterol, and triglycerides. A higher proportion of interventions showed an effect if they used higher DF doses for CRP, TC, and LDL cholesterol (40-63%), viscous and mixed plant cell wall DFs for TC and LDL cholesterol (>50%), and longer intervention durations for CRP and glucose (50%). Half of the placebo-controlled studies used digestible carbohydrates as the placebo, which confounded findings for IL-6, glucose AUC, and insulin AUC. In conclusion, interventions with isolated and synthetic DFs resulted mainly in improved cholesterol concentrations and an attenuation of insulin resistance, whereas markers of dysglycemia and inflammation were largely unaffected. Although more research is needed to make reliable recommendations, a more targeted supplementation of DF with specific physicochemical properties at higher doses and for longer durations shows promise in enhancing several of its health effects.
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Affiliation(s)
- Anissa M Armet
- Department of Agricultural, Food, and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - Edward C Deehan
- Department of Agricultural, Food, and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada,Address correspondence to ECD (e-mail: )
| | - Julia V Thöne
- Department of Agricultural, Food, and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada,Medical Department, Justus-Liebig University Giessen, Giessen, Germany
| | - Sarah J Hewko
- Department of Applied Human Sciences, University of Prince Edward Island, Charlottetown, Prince Edward Island, Canada
| | - Jens Walter
- Department of Agricultural, Food, and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada,Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada,Address correspondence to JW (e-mail: )
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Retention of Primary Bile Acids by Lupin Cell Wall Polysaccharides Under In Vitro Digestion Conditions. Nutrients 2019; 11:nu11092117. [PMID: 31492011 PMCID: PMC6769765 DOI: 10.3390/nu11092117] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/28/2019] [Accepted: 09/02/2019] [Indexed: 01/14/2023] Open
Abstract
Interference of dietary fibres with the enterohepatic circulation of bile acids is proposed as a mechanism for lowering cholesterol. We investigated how lupin hull and cotyledon dietary fibres interact with primary bile acids using an in vitro model under simulated upper gastrointestinal conditions. Cell wall polysaccharides were isolated and extracted to separate pectin-like, hemicellulosic, and lignocellulosic structures. Lupin hull consisted mainly of structural components rich in cellulose. The viscosity of the in vitro digesta of lupin hull was low, showing predominantly liquid-like viscoelastic properties. On the other hand, lupin cotyledon fibre retarded bile acid release due to increased viscosity of the in vitro digesta, which was linked with high contents of pectic polymers forming an entangled network. Molecular interactions with bile acids were not measured for the hull but for the cotyledon, as follows: A total of 1.29 µmol/100 mg DM of chenodesoxycholic acids were adsorbed. Molecular interactions of cholic and chenodesoxycholic acids were evident for lignin reference material but did not account for the adsorption of the lupin cotyledon. Furthermore, none of the isolated and fractionated cell wall materials showed a significant adsorptive capacity, thus disproving a major role of lupin cell wall polysaccharides in bile acid adsorption.
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Xia X, Dai Y, Wu H, Liu X, Wang Y, Cao J, Zhou J. Effects of pressure and multiple passes on the physicochemical and microbial characteristics of lupin‐based beverage treated with high‐pressure homogenization. J FOOD PROCESS PRES 2019. [DOI: 10.1111/jfpp.13912] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Xiudong Xia
- Institute of Agricultural Product Processing Jiangsu Academy of Agricultural Sciences Nanjing PR China
| | - Yiqiang Dai
- College of Food Science and Technology Nanjing Agriculture University Nanjing PR China
| | - Han Wu
- Institute of Agricultural Product Processing Jiangsu Academy of Agricultural Sciences Nanjing PR China
| | - Xiaoli Liu
- Institute of Agricultural Product Processing Jiangsu Academy of Agricultural Sciences Nanjing PR China
| | - Ying Wang
- Institute of Agricultural Product Processing Jiangsu Academy of Agricultural Sciences Nanjing PR China
| | - Jianping Cao
- College of Food Science and Technology Nanjing Agriculture University Nanjing PR China
| | - Jianzhong Zhou
- Institute of Agricultural Product Processing Jiangsu Academy of Agricultural Sciences Nanjing PR China
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15
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Leonard W, Hutchings SC, Warner RD, Fang Z. Effects of incorporating roasted lupin ( Lupinus angustifolius) flour on the physicochemical and sensory attributes of beef sausage. Int J Food Sci Technol 2019. [DOI: 10.1111/ijfs.14088] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- William Leonard
- School of Agriculture and Food The University of Melbourne 3010 Parkville Vic. Australia
| | - Scott C. Hutchings
- School of Agriculture and Food The University of Melbourne 3010 Parkville Vic. Australia
| | - Robyn D. Warner
- School of Agriculture and Food The University of Melbourne 3010 Parkville Vic. Australia
| | - Zhongxiang Fang
- School of Agriculture and Food The University of Melbourne 3010 Parkville Vic. Australia
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16
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Kaczmarska KT, Chandra-Hioe MV, Zabaras D, Frank D, Arcot J. Effect of Germination and Fermentation on Carbohydrate Composition of Australian Sweet Lupin and Soybean Seeds and Flours. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:10064-10073. [PMID: 29058428 DOI: 10.1021/acs.jafc.7b02986] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
This study investigated the effect of germination and fermentation on the composition of carbohydrates in Australian sweet lupin. Specifically, the amount of sugars (sucrose, fructose, and glucose), starch, oligosaccharides (verbascose, stachyose, and raffinose), and dietary fiber were measured in germinated lupin seeds and fermented lupin flour, and compared with those in soy. High performance liquid chromatography coupled with refractive index was employed for quantitation of sugars, starch, and oligosaccharides, and gas chromatography coupled with a flame ionization detector was used for quantitation of simple sugars in total, and soluble, and insoluble dietary fiber. The enzyme activities of α-amylase and α-glucosidase were compared before and after germination or fermentation. The α-amylase activity in germinated lupin increased to ∼17 nmol/mL/min/0.1 g and in germinated soy∼32; in fermented lupin, the activity increased to ∼52, while in fermented soy it decreased to ∼20. In general, germination or fermentation decreased the oligosaccharide content, and increased the total sugar in samples (p < 0.05). Total oligosaccharides in lupin after uncontrolled germination were reduced by 98% to 6 mg/g, and after controlled germination reduced by 44% to 86 mg/g. Fermentation with yogurt culture lowered the content of total oligosaccharides due to 94% decrease in stachyose. Total oligosaccharides in soy flour prior to fermentation were 180 mg/g and significantly decreased to ∼124 mg/g in fermented soy. Germination did not affect the starch content. There was no significant change in the amounts of total, soluble, and insoluble dietary fiber after germination or fermentation of lupin except for galactose, which was significantly reduced in germinated lupin seeds. Soluble dietary fiber in germinated soy significantly increased. Germination and fermentation are simple and effective techniques to reduce the oligosaccharides while maintaining the composition of dietary fibers.
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Affiliation(s)
- Kornelia T Kaczmarska
- ARC Training Centre for Advanced Technologies in Food Manufacture, School of Chemical Engineering, UNSW , Sydney, NSW 2052, Australia
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) , 11 Julius Avenue, North Ryde, NSW 2113, Australia
| | - Maria V Chandra-Hioe
- ARC Training Centre for Advanced Technologies in Food Manufacture, School of Chemical Engineering, UNSW , Sydney, NSW 2052, Australia
| | - Dimitrios Zabaras
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) , 11 Julius Avenue, North Ryde, NSW 2113, Australia
| | - Damian Frank
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) , 11 Julius Avenue, North Ryde, NSW 2113, Australia
| | - Jayashree Arcot
- ARC Training Centre for Advanced Technologies in Food Manufacture, School of Chemical Engineering, UNSW , Sydney, NSW 2052, Australia
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Pavanello C, Lammi C, Ruscica M, Bosisio R, Mombelli G, Zanoni C, Calabresi L, Sirtori CR, Magni P, Arnoldi A. Effects of a lupin protein concentrate on lipids, blood pressure and insulin resistance in moderately dyslipidaemic patients: A randomised controlled trial. J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.07.039] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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Nikmaram N, Dar BN, Roohinejad S, Koubaa M, Barba FJ, Greiner R, Johnson SK. Recent advances in γ-aminobutyric acid (GABA) properties in pulses: an overview. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2017; 97:2681-2689. [PMID: 28230263 DOI: 10.1002/jsfa.8283] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 02/06/2017] [Accepted: 02/15/2017] [Indexed: 06/06/2023]
Abstract
Beans, peas, and lentils are all types of pulses that are extensively used as foods around the world due to their beneficial effects on human health including their low glycaemic index, cholesterol lowering effects, ability to decrease the risk of heart diseases and their protective effects against some cancers. These health benefits are a result of their components such as bioactive proteins, dietary fibre, slowly digested starches, minerals and vitamins, and bioactive compounds. Among these bioactive compounds, γ-aminobutyric acid (GABA), a non-proteinogenic amino acid with numerous reported health benefits (e.g. anti-diabetic and hypotensive effects, depression and anxiety reduction) is of particular interest. GABA is primarily synthesised in plant tissues by the decarboxylation of l-glutamic acid in the presence of glutamate decarboxylase (GAD). It is widely reported that during various processes including enzymatic treatment, gaseous treatment (e.g. with carbon dioxide), and fermentation (with lactic acid bacteria), GABA content increases in the plant matrix. The objective of this review paper is to highlight the current state of knowledge on the occurrence of GABA in pulses with special focus on mechanisms by which GABA levels are increased and the analytical extraction and estimation methods for this bioactive phytochemical. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Nooshin Nikmaram
- Young Researchers and Elite Club, Islamic Azad University, Sabzevar, Iran
| | - B N Dar
- Department of Food Technology, IUST, Awantipora, Jammu and Kashmir, India
- Department of Food Science, Cornell University, Ithaca, NY, USA
| | - Shahin Roohinejad
- Department of Food Technology and Bioprocess Engineering, Federal Research Institute of Nutrition and Food, Karlsruhe, Germany
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohamed Koubaa
- Département de Génie des Procédés Industriels, Laboratoire Transformations Intégrées de la Matière Renouvelable, Université de Technologie de Compiègne, France
| | - Francisco J Barba
- Preventive Medicine and Public Health, Food Sciences, Toxicology and Forensic Medicine Department, University of Valencia, Burjassot, València, Spain
| | - Ralf Greiner
- Department of Food Technology and Bioprocess Engineering, Federal Research Institute of Nutrition and Food, Karlsruhe, Germany
| | - Stuart K Johnson
- School of Public Health, Curtin University, Perth, WA, Australia
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19
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Dalaram IS. Evaluation of total polyphenol content and antioxidant capacity of different verity lupin seeds. POTRAVINARSTVO 2017. [DOI: 10.5219/678] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Legumes, including lupins, beans, lentil and chickpea, are one of the most important crops in the world because of their nutritional quality. Lupin seeds have been used as human food and animal feed since ancient times. It was known that antioxidant photochemical in foods have many health benefits including prevention of various diseases associated with oxidative stress such as cancer, cardiovascular disease, neuro-degeneration and diabetes. Lupin grains are rich sources of complex carbohydrates, protein, vitamins and minerals. Antioxidants can be found naturally in foods. Total polyphenols content and antioxidant activity were measured in four varieties of lupin, namely in white lupin, blue lupin, yellow lupin and Mutabilis lupin species. A majority of antioxidants naturally present in foods occur in phenolic structures and especially in flavonoid structures. The content of the total polyphenols was determined by using the Folin-Ciocalteu reagent (FCR). Antioxidant activity was measured by using a compound DPPH˙ (2.2-diphenyl-1-picrylhydrazyl). In the present experiment according to the average contents of total polyphenols (TPC) in dry matter of lupin seeds there was the following line: L. Angustifolius (blue) lupin (696.212 mg GAE.100g-1) > L. Albus (white) lupin (614.13 mg GAE.100g-1) > L. Luteus (yellow) lupin (467.78 mg GAE.100g-1) > L. Mutabilis (pearl) lupin (367.36 mg GAE.100g-1). Based on the measured values of total antioxidant capacity (TAC) of lupin samples can be classified as follows: L. Albus (white) lupin (43.44%) >L. Angustifolius (blue) lupin (38.27%) >L. Luteus (yellow) lupin (22.29%) >L. Mutabilis (Pearl) lupin (20.80%). The relationship of antioxidant capacity with total polyphenolic was discussed. According to used statistical analyzes. Correlation between the phenolic contents and antioxidant capacity was significantly positive (r = 0.88). Our results confirmed that legumes can be a good source of bioactive compounds in the human nutrition. The main objective of the present work was to evaluated the content of total polyphenols and an antioxidant capacity of four Lupine species.
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Pihlanto A, Mattila P, Mäkinen S, Pajari AM. Bioactivities of alternative protein sources and their potential health benefits. Food Funct 2017; 8:3443-3458. [DOI: 10.1039/c7fo00302a] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Increasing the utilisation of plant proteins is needed to support the production of protein-rich foods that could replace animal proteins in the human diet so as to reduce the strain that intensive animal husbandry poses to the environment.
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Affiliation(s)
- A. Pihlanto
- Natural Resources Institute
- 31600 Jokioinen
- Finland
| | - P. Mattila
- Natural Resources Institute
- 31600 Jokioinen
- Finland
| | - S. Mäkinen
- Natural Resources Institute
- 31600 Jokioinen
- Finland
| | - A.-M. Pajari
- University of Helsinki Department of Food and Environmental Sciences
- 00014 Helsingin yliopisto
- Finland
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Abstract
The development of new varieties of lupin, so-called “sweet lupinsˮ with low alkaloid (bitter substances) and high protein content has resulted in a renewed interest in utilization of lupin as source of proteins in human and animal nutrition. The nutraceutical potential of lupin can be applied in the prevention from various pathological states in humans; by suppressing appetite and affecting energy balance, by its positive effect on glycaemia and indicators of blood lipids, by its positive influence on hypertension and by improving defecation. In the field of animal nutrition, lupin seeds can positively affect both production indicators and the biological value of food of animal origin.
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Arnoldi A, Boschin G, Zanoni C, Lammi C. The health benefits of sweet lupin seed flours and isolated proteins. J Funct Foods 2015. [DOI: 10.1016/j.jff.2015.08.012] [Citation(s) in RCA: 93] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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23
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Bartkiene E, Krungleviciute V, Juodeikiene G, Vidmantiene D, Maknickiene Z. Solid state fermentation with lactic acid bacteria to improve the nutritional quality of lupin and soya bean. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2015; 95:1336-42. [PMID: 25042749 DOI: 10.1002/jsfa.6827] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Revised: 07/02/2014] [Accepted: 07/12/2014] [Indexed: 06/03/2023]
Abstract
BACKGROUND The ability of bacteriocin-like inhibitory substance (BLIS)-producing lactic acid bacteria (LAB) to degrade biogenic amines as well as to produce L(+) and D(-)-lactic acid during solid state fermentation (SSF) of lupin and soya bean was investigated. In addition, the protein digestibility and formation of organic acids during SSF of legume were investigated. RESULTS Protein digestibility of fermented lupin and soya bean was found higher on average by 18.3% and 15.9%, respectively, compared to untreated samples. Tested LAB produced mainly L-lactic acid in soya bean and lupin (D/L ratio 0.38-0.42 and 0.35-0.54, respectively), while spontaneous fermentation gave almost equal amounts of both lactic acid isomers (D/L ratio 0.82-0.98 and 0.92, respectively). Tested LAB strains were able to degrade phenylethylamine, spermine and spermidine, whereas they were able to produce putrescine, histamine and tyramine. CONCLUSIONS SSF improved lupin and soya bean protein digestibility. BLIS-producing LAB in lupin and soya bean medium produced a mixture of D- and L-lactic acid with a major excess of the latter isomer. Most toxic histamine and tyramine in fermented lupin and soya bean were found at levels lower those causing adverse health effects. Selection of biogenic amines non-producing bacteria is essential in the food industry to avoid the risk of amine formation.
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Affiliation(s)
- Elena Bartkiene
- Lithuanian University of Health Sciences, 47181, Kaunas, Lithuania
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Ertaş N. Technological and chemical characteristics of breads made with lupin sprouts. QUALITY ASSURANCE AND SAFETY OF CROPS & FOODS 2015. [DOI: 10.3920/qas2013.0347] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- N. Ertaş
- Faculty of Engineering and Architecture, Department of Food Engineering, Necmettin Erbakan University, Hulusi Baybal Street, 42060 Konya, Turkey
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Villarino CBJ, Jayasena V, Coorey R, Chakrabarti-Bell S, Johnson SK. Nutritional, Health, and Technological Functionality of Lupin Flour Addition to Bread and Other Baked Products: Benefits and Challenges. Crit Rev Food Sci Nutr 2015; 56:835-57. [DOI: 10.1080/10408398.2013.814044] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Fechner A, Kiehntopf M, Jahreis G. The formation of short-chain fatty acids is positively associated with the blood lipid-lowering effect of lupin kernel fiber in moderately hypercholesterolemic adults. J Nutr 2014; 144:599-607. [PMID: 24572041 DOI: 10.3945/jn.113.186858] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Lupin kernel fiber beneficially modifies blood lipids because of its bile acid-binding capacity. The aim of this study was to evaluate the preventive effects of a lupin kernel fiber preparation on cardiovascular diseases and to clarify possible mechanisms. In a randomized, double-blind, controlled crossover trial, 60 moderately hypercholesterolemic adults (plasma total cholesterol: >5.2 mmol/L) passed 3 intervention periods in different orders with a 2-wk washout phase between each. Participants consumed either a high-fiber diet containing 25-g/d lupin kernel fiber (LF) or citrus fiber (CF), or a low-fiber control diet (CD) for 4 wk each. Anthropometric, plasma, and fecal variables were assessed at baseline and after the interventions. Contrary to the CF period, total (9%) and LDL (12%) cholesterol as well as triacylglycerols (10%) were lower after the LF period when compared with the CD period [P ≤ 0.02, adjusted for baseline, age, gender, and body mass index (BMI)]. HDL cholesterol remained unchanged. Moreover, the LF period reduced high-sensitivity C-reactive protein (P = 0.02) and systolic blood pressure (P = 0.01) when compared with baseline. Bile acid binding could not be shown because the excretion of total bile acids remained constant after the high-fiber diets. However, the LF period resulted in an enhanced formation of the main short-chain fatty acids in comparison with the CD period. During the CF period, only acetate increased significantly. Both high-fiber diets led to higher satiety and modified nutritional behavior, resulting in significantly lower body weight, BMI, and waist circumference compared with the CD period. The blood lipid-lowering effects of LF are apparently not a result of bile acid binding. Rather, we hypothesize for the first time, to our knowledge, that the blood lipid-lowering effects of LF may be mainly attributed to the formation of short-chain fatty acids, specifically propionate and acetate. This trial was registered at clinicaltrials.gov as NCT01035086.
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Affiliation(s)
- Anita Fechner
- Department of Nutritional Physiology, Institute of Nutrition, Friedrich Schiller University, Jena, Germany
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Wong A, Pitts K, Jayasena V, Johnson S. Isolation and foaming functionality of acid-soluble protein from lupin (Lupinus angustifolius) kernels. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2013; 93:3755-3762. [PMID: 23722992 DOI: 10.1002/jsfa.6249] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2012] [Revised: 05/14/2013] [Accepted: 05/30/2013] [Indexed: 06/02/2023]
Abstract
BACKGROUND Australian sweet lupin (ASL) protein is conventionally isolated by alkaline extraction/acid precipitation, leaving a waste stream containing acid-soluble proteins (ASPs) and contaminating raffinose family oligosaccharides (RFOs). The foaming functionality of ASP isolated from ASL is not known, but ASP from another lupin species has demonstrated high foaming functionality. RESULTS Pre-soaking ASL kernels increased their protein/RFO ratio; however, some protein was lost by soaking. The foaming capacity of ASL protein isolated by different methods was ranked in the following order: alkaline extraction/isoelectric precipitation < direct acid extraction (novel ASP) < supernatant from isoelectric precipitation (conventional ASP) < ultrafiltered novel ASP = fresh egg white. Electrophoresis indicated enrichment of γ-conglutin and albumin peptides in ASPs and of a single peptide in the fibre residue from alkaline extraction. CONCLUSION The high foaming capacity of ultrafiltered novel ASP, similar to that of fresh egg white, indicates the potential of this lupin protein as a food ingredient for foaming applications.
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Affiliation(s)
- Alester Wong
- Food Science & Technology Research Program, School of Public Health, Curtin Health Innovation Research Institute, Curtin University, Bentley, Western Australia, 6102, Australia
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Coorey R, Chao K, Kumar V, Jayasena V. The effects of lupin (Lupinus angustifolius) protein isolation on its dietary fibre and whey proteins. QUALITY ASSURANCE AND SAFETY OF CROPS & FOODS 2013. [DOI: 10.3920/qas2012.0189] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- R. Coorey
- School of Public Health and Curtin Health Innovation Research Institute, Curtin University, G.P.O. Box U1987, Perth, WA 6845, Australia
| | - K.I. Chao
- Chemistry Centre of Western Australia, P.O. Box 1250, Bentley, WA 6983, Australia
| | - V. Kumar
- School of Public Health and Curtin Health Innovation Research Institute, Curtin University, G.P.O. Box U1987, Perth, WA 6845, Australia
| | - V. Jayasena
- School of Public Health and Curtin Health Innovation Research Institute, Curtin University, G.P.O. Box U1987, Perth, WA 6845, Australia
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Fechner A, Fenske K, Jahreis G. Effects of legume kernel fibres and citrus fibre on putative risk factors for colorectal cancer: a randomised, double-blind, crossover human intervention trial. Nutr J 2013; 12:101. [PMID: 24060277 PMCID: PMC3717035 DOI: 10.1186/1475-2891-12-101] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Accepted: 07/11/2013] [Indexed: 11/29/2022] Open
Abstract
Background In some studies, high intake of dietary fibre has been associated with a lower risk of colorectal cancer. The present study aimed to compare physiological effects of three legume kernel fibres and citrus fibre on blood lipids (primary outcome: LDL cholesterol) and colonic health. Methods Ninety-two subjects were recruited for the double-blind, controlled crossover trial. Seventy-eight participants were randomly divided into three groups. Following run-in, half the volunteers from each group consumed 25 g/d of a legume fibre, comprising blue lupin fibre, white lupin fibre, and soya fibre for two weeks. The other half received the same amount of citrus fibre (active comparator). The intervention was crossed within each group after two weeks wash-out. At the end of run-in and intervention, a quantitative faeces collection took place and fasting blood samples were drawn. Repeated measures ANOVA with the general linear model were applied to evaluate changes following interventions. Results Seventy-six subjects completed the study. Dietary fibre intake during all interventions was approximately twice the fibre intake at run-in. The lupin fibre supplementations increased daily faecal dry matter and faecal weight compared to run-in, representing an increase of 1.76 g faeces/g additional dietary fibre contributed by blue lupin and of 1.64 g faeces/g by white lupin, respectively. Both lupin interventions led to a significantly enhanced formation of short-chain fatty acids, and blue lupin fibre to a decrease in faecal pH compared to run-in (0.27 units, P < 0.01). Further, blue lupin increased primary bile acids-excretion (P = 0.02). All legume fibres reduced faecal concentrations of total and secondary bile acids (blue lupin: 16%; white lupin: 24%; soya: 16%). Blood lipids were not influenced by any intervention. No serious adverse effects were observed. Conclusions The tested fibre preparations do not affect lipid metabolism through bile acid-binding in normocholesterolaemic subjects. However, particularly blue lupin kernel fibre improve colonic function and have beneficial effects on putative risk factors for colorectal cancer such as faecal mass, transit time, SCFA, faecal pH, and secondary bile acid concentration. Therefore, enhancing dietary fibre intake through blue lupin up to about 50 g/d can be recommended. Trial registration NCT01036308
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Affiliation(s)
- Anita Fechner
- Department of Nutritional Physiology, Friedrich Schiller University of Jena, Dornburger Straße 24, D-07743 Jena, Germany
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Nasar-Abbas SM, Jayasena V. Effect of lupin flour incorporation on the physical and sensory properties of muffins. QUALITY ASSURANCE AND SAFETY OF CROPS & FOODS 2011. [DOI: 10.1111/j.1757-837x.2011.00122.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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JAYASENA VIJAY, NASAR-ABBAS SYEDM. DEVELOPMENT AND QUALITY EVALUATION OF HIGH-PROTEIN AND HIGH-DIETARY-FIBER PASTA USING LUPIN FLOUR. J Texture Stud 2011. [DOI: 10.1111/j.1745-4603.2011.00326.x] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Fayed SA, Osman M, Mahmoud GI, Romeilah RM. Lupin seeds lower plasma lipid concentrations and normalize antioxidant parameters in rats. GRASAS Y ACEITES 2011. [DOI: 10.3989/gya.056310] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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JAYASENA VIJAY, LEUNG PEGGYP, NASAR-ABBAS SYEDM. EFFECT OF LUPIN FLOUR SUBSTITUTION ON THE QUALITY AND SENSORY ACCEPTABILITY OF INSTANT NOODLES. J FOOD QUALITY 2010. [DOI: 10.1111/j.1745-4557.2010.00353.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Effects of lupin-enriched foods on body composition and cardiovascular disease risk factors: a 12-month randomized controlled weight loss trial. Int J Obes (Lond) 2010; 35:810-9. [PMID: 20938438 DOI: 10.1038/ijo.2010.213] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Hall RS, Baxter AL, Fryirs C, Johnson SK. Liking of health-functional foods containing lupin kernel fibre following repeated consumption in a dietary intervention setting. Appetite 2010; 55:232-7. [PMID: 20542068 DOI: 10.1016/j.appet.2010.06.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2009] [Revised: 05/14/2010] [Accepted: 06/07/2010] [Indexed: 10/19/2022]
Abstract
Liking of a particular food after repeated consumption may be reduced, limiting the effectiveness of health-functional foods requiring on-going consumption to deliver their benefits. This study examined the effect of repeated consumption of foods containing the novel ingredient, Australian sweet lupin (Lupinus angustifolius) kernel fibre (LKFibre) on sensory acceptability in the dietary intervention setting. In a single-blind randomised crossover 4-week intervention, participants consumed both control and equivalent LKFibre-containing products daily on separate interventions separated by a 4-week period on habitual diet. Seven products: muesli, bread, muffin, chocolate brownie, chocolate milk drink, pasta and instant mashed potato were assessed twice (days 4 and 18 of intervention), by 38 participants for appearance, texture, flavour and general acceptability using a structured graphic hedonic scale. Overall the results showed there was no reduction (P=0.594) in general acceptability of LKFibre foods after repeated consumption, suggesting potential for long-term consumption. The control food products were however generally preferred (P<0.001) over the LKFibre foods; the mean difference for general acceptability between being <6% (0.82cm) of the 15cm hedonic scale used, suggesting LKF addition did not severely affect product palatability.
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Affiliation(s)
- Ramon S Hall
- School of Exercise and Nutrition Sciences, Deakin University, Burwood, Victoria, Australia
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Jappe U, Vieths S. Lupine, a source of new as well as hidden food allergens. Mol Nutr Food Res 2010; 54:113-26. [PMID: 20013885 DOI: 10.1002/mnfr.200900365] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The present review summarizes current knowledge about lupine allergy, potential sensitization routes, cross-reactions between lupine and other legumes, and the respective IgE-binding proteins. Since the 1990 s, lupine flour is used as a substitute for or additive to other flours, mostly wheat flour, in several countries of the EU. In 1994, the first case of an immediate-type allergy after ingestion of lupine flour-containing pasta was reported. Since then, the number of published incidents following ingestion or inhalation of lupine flour is rising. So far, the Lupinus angustifolius beta-conglutin has been designated as the allergen Lup an 1 by the International Union of Immunological Societies Allergen Nomenclature Subcommittee. Initially, publications focussed on the fact that peanut-allergic patients were at risk to develop anaphylaxis to lupine due to cross-reactivity between peanut and lupine. At present, however, the ratio between cases of pre-existing legume allergy (mostly peanut allergy) to de novo sensitization to lupine seed is nearly 1:1. Although in December 2006, lupine and products thereof were included in the EU foodstuff allergen list according to the Commission Directive 2006/142/EC amending Annex IIIA of Directive 2000/13/EC in order to prevent severe reactions caused by "hidden food allergens", the majority of patients and medical personnel are still not aware of raw lupine seed as potentially dangerous food allergen.
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Affiliation(s)
- Uta Jappe
- Division of Allergology, Paul-Ehrlich Institut, Langen, Germany.
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Effects of increasing dietary protein and fibre intake with lupin on body weight and composition and blood lipids in overweight men and women. Int J Obes (Lond) 2010; 34:1086-94. [PMID: 20157326 DOI: 10.1038/ijo.2010.26] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Lupin kernel flour (LKF) is a novel food ingredient that is high in protein and fibre. We have previously shown that partial substitution of refined wheat-derived carbohydrate in bread with protein and fibre from LKF can reduce appetite and energy intake acutely. In addition, several studies have suggested that lupin may reduce cholesterol concentrations and benefit glucose and insulin metabolism. AIM The aim of this study was to investigate the effects on body weight and composition and blood lipids, glucose and insulin of an ad libitum LKF-enriched diet higher in dietary protein and fibre. SUBJECTS AND METHODS A total of 88 overweight and obese men and women were recruited for a 16-week parallel-design randomized controlled trial. Participants replaced 15-20% of their usual daily energy intake with white bread (control) or LKF-enriched bread (lupin) in an ad libitum diet. Measurements of body weight and composition, and fasting blood biochemical measurements were performed at baseline and 16 weeks. The primary analysis included 74 participants (37 per group) who completed the intervention. RESULTS At baseline, mean (+/-s.d.) body mass index and total cholesterol were 30.6+/-3.5 kg m(-2) and 5.37+/-0.94 mmol l(-1), respectively. Estimated (mean between-group difference (95% confidence interval)) protein (13.7 (2.28, 25.0) g per day) and fibre (12.5 (8.79, 16.2) g per day) intakes were higher during the intervention with lupin than with control. For lupin relative to control, the net effects on body weight (-0.4 (-1.3, 0.6) kg), fat mass (-0.5 (-1.1, 0.2) kg) and percentage (-0.5 (-1.1, 0.1)%), plasma leptin (-1.66 (-4.91, 1.59) ng ml(-1)) and adiponectin (0.20 (-0.73, 1.13) mg l(-1), as well as serum total cholesterol (-0.08 (-0.38, 0.22) mmol l(-1)), triglycerides (0.09 (-0.10, 0.21) mmol l(-1)), glucose (0.10 (-0.11, 0.30) mmol l(-1)) and insulin (0.40 (-1.20, 2.00) mU l(-1)) were not significant. CONCLUSIONS This study does not support the proposal that an ad libitum diet enriched in LKF resulting in moderate changes in both protein and fibre intakes can benefit body weight and composition or fasting blood lipids, glucose and insulin concentrations in overweight men and women with mildly elevated total cholesterol concentrations.
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Abstract
A food can be regarded as ‘functional’ if it can demonstrate a beneficial efficacy on one or more target functions in the body in a convincing way. Beyond adequate nutritional qualities, functional foods should either improve the state of health and wellbeing and/or reduce the risk of disease. Functional foods that are marketed with claims of heart disease reduction focus primarily on the major risk factors, i.e. cholesterol, diabetes and hypertension. Some of the most innovative products are designed to be enriched with ‘protective’ ingredients, believed to reduce risk. They may contain, for example, soluble fibre (from oat and psyllium), useful both for lowering cholesterol and blood pressure, or fructans, effective in diabetes. Phytosterols and stanols lower LDL-cholesterol in a dose-dependent manner. Soya protein is more hypocholesterolaemic in subjects with very high initial cholesterol and recent data indicate also favourable activities in the metabolic syndrome.n-3 Fatty acids appear to exert significant hypotriacylglycerolaemic effects, possibly partly responsible for their preventive activity. Dark chocolate is gaining much attention for its multifunctional activities, useful both for the prevention of dyslipidaemia as well as hypertension. Finally, consensus opinions about tea and coffee have not emerged yet, and the benefits of vitamin E, garlic, fenugreek and policosanols in the management of dyslipidaemia and prevention of arterial disease are still controversial.
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Sievenpiper JL, Kendall CWC, Esfahani A, Wong JMW, Carleton AJ, Jiang HY, Bazinet RP, Vidgen E, Jenkins DJA. Effect of non-oil-seed pulses on glycaemic control: a systematic review and meta-analysis of randomised controlled experimental trials in people with and without diabetes. Diabetologia 2009; 52:1479-95. [PMID: 19526214 DOI: 10.1007/s00125-009-1395-7] [Citation(s) in RCA: 171] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2009] [Accepted: 03/30/2009] [Indexed: 11/30/2022]
Abstract
AIMS/HYPOTHESIS Dietary non-oil-seed pulses (chickpeas, beans, peas, lentils, etc.) are a good source of slowly digestible carbohydrate, fibre and vegetable protein and a valuable means of lowering the glycaemic-index (GI) of the diet. To assess the evidence that dietary pulses may benefit glycaemic control, we conducted a systematic review and meta-analysis of randomised controlled experimental trials investigating the effect of pulses, alone or as part of low-GI or high-fibre diets, on markers of glycaemic control in people with and without diabetes. METHODS We searched MEDLINE, EMBASE, CINAHL, and the Cochrane Library for relevant controlled trials of >or=7 days. Two independent reviewers (A. Esfahani and J. M. W. Wong) extracted information on study design, participants, treatments and outcomes. Data were pooled using the generic inverse variance method and expressed as standardised mean differences (SMD) with 95% CIs. Heterogeneity was assessed by chi (2) and quantified by I (2). Meta-regression models identified independent predictors of effects. RESULTS A total of 41 trials (39 reports) were included. Pulses alone (11 trials) lowered fasting blood glucose (FBG) (-0.82, 95% CI -1.36 to -0.27) and insulin (-0.49, 95% CI -0.93 to -0.04). Pulses in low-GI diets (19 trials) lowered glycosylated blood proteins (GP), measured as HbA(1c) or fructosamine (-0.28, 95% CI -0.42 to -0.14). Finally, pulses in high-fibre diets (11 trials) lowered FBG (-0.32, 95% CI -0.49 to -0.15) and GP (-0.27, 95% CI -0.45 to -0.09). Inter-study heterogeneity was high and unexplained for most outcomes, with benefits modified or predicted by diabetes status, pulse type, dose, physical form, duration of follow-up, study quality, macronutrient profile of background diets, feeding control and design. CONCLUSIONS/INTERPRETATION Pooled analyses demonstrated that pulses, alone or in low-GI or high-fibre diets, improve markers of longer term glycaemic control in humans, with the extent of the improvements subject to significant inter-study heterogeneity. There is a need for further large, well-designed trials.
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Affiliation(s)
- J L Sievenpiper
- Risk Factor Modification Centre, St Michael's Hospital, Toronto, ON, Canada
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Sirtori CR, Galli C, Anderson JW, Arnoldi A. Nutritional and nutraceutical approaches to dyslipidemia and atherosclerosis prevention: Focus on dietary proteins. Atherosclerosis 2009; 203:8-17. [DOI: 10.1016/j.atherosclerosis.2008.06.019] [Citation(s) in RCA: 87] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2007] [Revised: 06/11/2008] [Accepted: 06/18/2008] [Indexed: 02/01/2023]
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Viveros A, Centeno C, Arija I, Brenes A. Cholesterol-Lowering Effects of Dietary Lupin (Lupinus albus var Multolupa) in Chicken Diets. Poult Sci 2007; 86:2631-8. [DOI: 10.3382/ps.2007-00128] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Phan HTT, Ellwood SR, Adhikari K, Nelson MN, Oliver RP. The first genetic and comparative map of white lupin (Lupinus albus L.): identification of QTLs for anthracnose resistance and flowering time, and a locus for alkaloid content. DNA Res 2007; 14:59-70. [PMID: 17526914 PMCID: PMC2779896 DOI: 10.1093/dnares/dsm009] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2007] [Revised: 04/13/2007] [Indexed: 11/13/2022] Open
Abstract
We report the first genetic linkage map of white lupin (Lupinus albus L.). An F8 recombinant inbred line population developed from Kiev mutant x P27174 was mapped with 220 amplified fragment length polymorphism and 105 gene-based markers. The genetic map consists of 28 main linkage groups (LGs) that varied in length from 22.7 cM to 246.5 cM and spanned a total length of 2951 cM. There were seven additional pairs and 15 unlinked markers, and 12.8% of markers showed segregation distortion at P < 0.05. Syntenic relationships between Medicago truncatula and L. albus were complex. Forty-five orthologous markers that mapped between M. truncatula and L. albus identified 17 small syntenic blocks, and each M. truncatula chromosome aligned to between one and six syntenic blocks in L. albus. Genetic mapping of three important traits: anthracnose resistance, flowering time, and alkaloid content allowed loci governing these traits to be defined. Two quantitative trait loci (QTLs) with significant effects were identified for anthracnose resistance on LG4 and LG17, and two QTLs were detected for flowering time on the top of LG1 and LG3. Alkaloid content was mapped as a Mendelian trait to LG11.
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Affiliation(s)
- Huyen T. T. Phan
- Australian Centre for Necrotrophic Fungal Pathogens, SABC, Department of Health Sciences, Murdoch University, Murdoch 6150, Australia
| | - Simon R. Ellwood
- Australian Centre for Necrotrophic Fungal Pathogens, SABC, Department of Health Sciences, Murdoch University, Murdoch 6150, Australia
| | - Kedar Adhikari
- Department of Agriculture and Food Western Australia, 3 Baron-Hay Court, South Perth 6151, Australia
- Centre for Legumes in Mediterranean Agriculture, Faculty of Natural and Agricultural Sciences, University of Western Australia, Crawley 6009, Australia
| | - Matthew N. Nelson
- School of Plant Biology, Faculty of Natural and Agricultural Sciences, The University of Western Australia, Crawley 6009, Australia
| | - Richard P. Oliver
- Australian Centre for Necrotrophic Fungal Pathogens, SABC, Department of Health Sciences, Murdoch University, Murdoch 6150, Australia
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Arnoldi A, Resta D, Brambilla F, Boschin G, D'Agostina A, Sirtori E, O'Kane F. Parameters for the evaluation of the thermal damage and nutraceutical potential of lupin-based ingredients and food products. Mol Nutr Food Res 2007; 51:431-6. [PMID: 17357980 DOI: 10.1002/mnfr.200600246] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Foods based on sweet lupin proteins are gaining attention from industry and consumers because of their possible role in the prevention of cardiovascular disease. When promoting lupin-based foods for inclusion in a daily diet, the thermal damage suffered during processing is of relevance to the bioactive and nutritional quality of the food product. N-(2-furoylmethyl)-L-lysine (furosine) quantification demonstrates that currently available sweet lupin protein isolates have a thermal damage comparable to or lower than other traditional food ingredients, and are a good source of lysine in non-dairy products. In lupin-based foods claiming to have cholesterol-lowering potential, shotgun proteomics offers itself as a fast and effective screening method for assessing the biological availability of active peptides. Such a method is readily applicable to other legume-enriched food products.
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Affiliation(s)
- Anna Arnoldi
- Laboratory of Food Chemistry and Mass Spectrometry, Department of Agri-Food Molecular Sciences (DISMA), University of Milan, Milan, Italy.
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Porres JM, Aranda P, López-Jurado M, Urbano G. Nutritional evaluation of protein, phosphorus, calcium and magnesium bioavailability from lupin (Lupinus albus var. multolupa)-based diets in growing rats: effect of α-galactoside oligosaccharide extraction and phytase supplementation. Br J Nutr 2007; 95:1102-11. [PMID: 16768832 DOI: 10.1079/bjn20061771] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The nutritional composition of the legume Lupinus albus var. multolupa, raw or after α-galactoside extraction, and its effect on the bioavailability of protein, P, Ca, and Mg by growing rats wasevaluated using a balance technique. The protein and dietary fibre content of the lupin floursstudied was high, and 89–94% of the dietary fibre was present as insoluble dietary fibre. The α-galactoside extraction process did not disrupt the nutritional quality of protein, and the digestive and metabolic utilisation of this nutrient was high and comparable with that obtained from a casein–cystine control diet (pair-fed to the average daily food intake of the experimental groups fed the different lupin diets). Bioavailability of P, Ca, and Mg from the lupin diets tested was high, and supplementation of an exogenous microbial phytase (750 phytase units/kg) did not cause any further improvement. Mineral content in the bone tissue (femur and sternum) did not correlate to mineral balance, which, on the other hand, was related to the mineral content of other tissues such as blood, plasma, liver and kidney. Due to its ability to grow under adverse edaphic and climatic conditions and to its good nutritional quality, α-galactoside-free lupin flour supplemented with the required amounts of minerals and vitamins to meet nutrient requirements can be used as an excellent dietary source for the preparation of dietetic products.
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Affiliation(s)
- Jesús M Porres
- Departamento de Fisiología, Instituto de Nutrición, Universidad de Granada, Campus Universitario de Cartuja s/n, Granada 18071, Spain
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Smith SC, Choy R, Johnson SK, Hall RS, Wildeboer-Veloo ACM, Welling GW. Lupin kernel fiber consumption modifies fecal microbiota in healthy men as determined by rRNA gene fluorescent in situ hybridization. Eur J Nutr 2006; 45:335-41. [PMID: 16763747 DOI: 10.1007/s00394-006-0603-1] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2005] [Accepted: 05/10/2006] [Indexed: 02/06/2023]
Abstract
BACKGROUND Changes in the composition of gastrointestinal microbiota by dietary interventions using pro- and prebiotics provide opportunity for improving health and preventing disease. However, the capacity of lupin kernel fiber (LKFibre), a novel legume-derived food ingredient, to act as a prebiotic and modulate the colonic microbiota in humans needed investigation. AIM OF THE STUDY The present study aimed to determine the effect of LKFibre on human intestinal microbiota by quantitative fluorescent in situ hybridization (FISH) analysis. DESIGN A total of 18 free-living healthy males between the ages of 24 and 64 years consumed a control diet and a LKFibre diet (containing an additional 17-30 g/day fiber beyond that of the control-incorporated into daily food items) for 28 days with a 28-day washout period in a single-blind, randomized, crossover dietary intervention design. METHODS Fecal samples were collected for 3 days towards the end of each diet and microbial populations analyzed by FISH analysis using 16S rRNA gene-based oligonucleotide probes targeting total and predominant microbial populations. RESULTS Significantly higher levels of Bifidobacterium spp. (P = 0.001) and significantly lower levels of the clostridia group of C. ramosum, C. spiroforme and C. cocleatum (P = 0.039) were observed on the LKFibre diet compared with the control. No significant differences between the LKFibre and the control diet were observed for total bacteria, Lactobacillus spp., the Eubacterium spp., the C. histolyticum/C. lituseburense group and the Bacteroides-Prevotella group. CONCLUSIONS Ingestion of LKFibre stimulated colonic bifidobacteria growth, which suggests that this dietary fiber may be considered as a prebiotic and may beneficially contribute to colon health.
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Affiliation(s)
- Stuart C Smith
- School of Exercise and Nutrition Sciences, Deakin University, 221 Burwood Hwy, Burwood, VIC, Australia.
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Johnson SK, Chua V, Hall RS, Baxter AL. Lupin kernel fibre foods improve bowel function and beneficially modify some putative faecal risk factors for colon cancer in men. Br J Nutr 2006; 95:372-8. [PMID: 16469156 DOI: 10.1079/bjn20051648] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Consumption of some dietary fibres may benefit bowel health; however, the effect of Australian sweet lupin (Lupinus angustifolius) kernel fibre (LKFibre) is unknown. The present study examined the effect of a high-fibre diet containing LKFibre on bowel function and faecal putative risk factors for colon cancer compared to a control diet without LKFibre. Thirty-eight free-living, healthy men consumed an LKFibre and a control diet for 1 month each in a single-blind, randomized, crossover study. Depending on subject energy intake, the LKFibre diet was designed to provide 17-30 g/d fibre (in experimental foods) above that of the control diet. Bowel function self-perception, frequency of defecation, transit time, faecal output, pH and moisture, faecal levels of SCFA and ammonia, and faecal bacterial beta-glucuronidase activity were assessed. In comparison to the control diet, the LKFibre diet increased frequency of defecation by 0.13 events/d (P=0.047), increased faecal output by 21 % (P=0.020) and increased faecal moisture content by 1.6 % units (P=0.027), whilst decreasing transit time by 17 % (P=0.012) and decreasing faecal pH by 0.26 units (P<0.001). Faecal butyrate concentration was increased by 16 % (P=0.006), butyrate output was increased by 40 % (P=0.002) and beta-glucuronidase activity was lowered by 1.4 micromol/h per g wet faeces compared to the control diet (P<0.001). Addition of LKFibre to the diet incorporated into food products improved some markers of healthy bowel function and colon cancer risk in men.
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Affiliation(s)
- Stuart K Johnson
- School of Exercise and Nutrition Sciences, Faculty of Health and Behavioural Sciences, Deakin University, 221 Burwood Hwy, Burwood, Victoria, 3125, Australia.
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Abstract
Phytoestrogens are plant-derived hormone-like diphenolic compounds of dietary origin that are present at high levels in plasma of subjects living in areas with low atherosclerosis and cancer incidence. The term phytoestrogen is commonly applied to the soy isoflavones genistein, daidzein and glycitein. As outlined in a previous review article in this journal by Adlercreutz and Mazur 1, these compounds are weakly estrogenic and appear to influence the cardiovascular system, the production, metabolism and biological activity of sex-hormones, as well as malignant cell proliferation, differentiation and angiogenesis. Recently skepticism has developed concerning the true potential of phytoestrogens to beneficially modify these processes. A critical analysis of the early findings from supplementing the diet with soy protein has failed to confirm phytoestrogens as the responsible agent for beneficial cardiovascular effects, be it by way of lipid reduction, vasodilation or lipoprotein oxidation. Furthermore, contrasting data have been reported on the potential of phytoestrogens to prevent hormone-dependent cancers (e.g. breast and prostate) and to successfully treat post-menopausal complaints, an indication for which they are widely used. These potentially negative findings have led health authorities in several countries to suggest maximum daily intake levels for phytoestrogens. There is now growing interest in the use of soy products containing low levels of phytoestrogens and in research on other phytoestrogen free legumes such as lupin.
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Affiliation(s)
- Cesare R Sirtori
- Department of Pharmacological Sciences, University of Milano, Milano, Italy.
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