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An JP, Liu X, Wang Y. Discovery of bitter masking compounds from Allspice ( Pimenta dioica) using sensory guided isolation. Food Chem X 2024; 22:101426. [PMID: 38736983 PMCID: PMC11087956 DOI: 10.1016/j.fochx.2024.101426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 04/15/2024] [Accepted: 04/27/2024] [Indexed: 05/14/2024] Open
Abstract
Bitter substances in functional foods and beverages can act as nutraceuticals, offering potential health benefits. However, their unpleasant sensory impact reduces the consumption of these foods. Consequently, the discovery of bitter masking compounds is crucial for enhancing the intake of bioactive compounds in functional foods and beverages. Bitter taste is mediated by TAS2Rs, a sub-family of G-protein-coupled receptors. TAS2R14 is especially pivotal in the perception of bitterness, as it is one of the most broadly tuned bitter receptors. In this study, allspice was extracted and purified to yield five single compounds based on sensory guided fractionation. The structures of each compound were determined based on nuclear magnetic resonance (NMR) and high-resolution mass spectrometry (HR-MS). In a sensory evaluation, compound 1 exhibited bitter masking activity against quinine. Molecular docking analysis revealed that compound 1 could act as an antagonist of the TAS2R14 bitter receptor.
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Affiliation(s)
- Jin-Pyo An
- Department of Food Science and Human Nutrition, Citrus Research & Education Center, University of Florida, 700 Experiment Station Road, Lake Alfred, FL 33850, USA
| | - Xin Liu
- Department of Food Science and Human Nutrition, Citrus Research & Education Center, University of Florida, 700 Experiment Station Road, Lake Alfred, FL 33850, USA
| | - Yu Wang
- Department of Food Science and Human Nutrition, Citrus Research & Education Center, University of Florida, 700 Experiment Station Road, Lake Alfred, FL 33850, USA
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El-Nashar HAS, Ali AAM, Salem YH. Genus Pimenta: An Updated Comprehensive Review on Botany, Distribution, Ethnopharmacology, Phytochemistry and Biological Approaches. Chem Biodivers 2023; 20:e202300855. [PMID: 37875463 DOI: 10.1002/cbdv.202300855] [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: 06/12/2023] [Revised: 10/21/2023] [Accepted: 10/24/2023] [Indexed: 10/26/2023]
Abstract
Pimenta is a genus of flowering plants belonging to family Myrtaceae, native to the West Indies, Mexico, and South America. Numerous traditional uses were reported as anti-inflammatory, analgesic, antipyretic, sedative, diuretic, and sexual stimulant. This article aims to provide a comprehensive overview of the botany, traditional uses, phytochemical profile, and biological activities of genus Pimenta for future exploration of plant-based drugs and therapeutic approaches. The data were collected (up to date as of October 1, 2023) from several databases such as Web of Science, google scholar, science direct, Pubmed and Proquest. Pimenta species were reported to include various classes of phytochemicals like tannins, saponins, flavonoids, phenylpropanoids, monoterpenes, sesquiterpenes and essential oils. Quercetin glycosides and eugenol derivatives were the predominant compounds of this genus. Several biological activities have been reported such as antihypertensive, antioxidant, antimicrobial, antiviral, histidine decarboxylase inhibition, hypoglycemic, anticancer, anti-inflammatory, analgesic, antipyretic, acaricidal, anxiolytic, anti-depressant and anti-estrogenic. Several scientific reports have been published on various isolated phytochemicals and pharmacological properties of Pimenta species that confirm its ethnobotanical and traditional history. However, in vivo studies on different extracts and their phytoconstituents, alongside mechanistic analysis deserve more attention for drug researchers to provide better guidance to utilize Pimenta plants as medicinal resources for herbal formulations in different approaches.
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Affiliation(s)
- Heba A S El-Nashar
- Department of pharmacognosy, Faculty of Pharmacy, Ain Shams University, 11566, Cairo, Egypt
| | - Abd-Allah M Ali
- Department of pharmacognosy, Faculty of Pharmacy, Ain Shams University, 11566, Cairo, Egypt
| | - Yasmeen H Salem
- Department of pharmacognosy, Faculty of Pharmacy, Ain Shams University, 11566, Cairo, Egypt
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Doan TP, Zhang M, Park EJ, Ponce-Zea JE, Mai VH, Cho HM, Pham HTT, Oh WK. Oxindole and Benzoxazinone Alkaloids from the Seeds of Persea americana (Avocado) and Their SIRT1 Stimulatory Activity. JOURNAL OF NATURAL PRODUCTS 2023; 86:2270-2282. [PMID: 37792632 DOI: 10.1021/acs.jnatprod.3c00214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/06/2023]
Abstract
Persea americana Mill. (Lauraceae), commonly known as avocado, is a well-known food because of its nutrition and health benefits. The seeds of avocado are major byproducts, and thus their phytochemicals and bioactivities have been of interest for study. The chemical components of avocado seeds were investigated by using UPLC-qTOF-MS/MS-based molecular networking, resulting in the isolation of seven new oxindole alkaloids (1-7) and two new benzoxazinone alkaloids (8 and 9). The chemical structures of the isolated compounds were identified by the analysis of NMR data in combination with computational approaches, including NMR and ECD calculations. Bioactivities of the isolated compounds toward silent information regulation 2 homologue-1 (SIRT1) in HEK293 cells were assessed. The results showed that compound 1 had the most potent effect on SIRT1 activation with an elevated NAD+/NADH ratio with potential for further investigation as an anti-aging agent.
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Affiliation(s)
- Thi-Phuong Doan
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Mi Zhang
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Eun-Jin Park
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Jorge-Eduardo Ponce-Zea
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Van-Hieu Mai
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Hyo-Moon Cho
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | | | - Won-Keun Oh
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
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Mandal D, Sarkar T, Chakraborty R. Critical Review on Nutritional, Bioactive, and Medicinal Potential of Spices and Herbs and Their Application in Food Fortification and Nanotechnology. Appl Biochem Biotechnol 2023; 195:1319-1513. [PMID: 36219334 PMCID: PMC9551254 DOI: 10.1007/s12010-022-04132-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/28/2022] [Indexed: 01/24/2023]
Abstract
Medicinal or herbal spices are grown in tropical moist evergreen forestland, surrounding most of the tropical and subtropical regions of Eastern Himalayas in India (Sikkim, Darjeeling regions), Bhutan, Nepal, Pakistan, Iran, Afghanistan, a few Central Asian countries, Middle East, USA, Europe, South East Asia, Japan, Malaysia, and Indonesia. According to the cultivation region surrounded, economic value, and vogue, these spices can be classified into major, minor, and colored tropical spices. In total, 24 tropical spices and herbs (cardamom, black jeera, fennel, poppy, coriander, fenugreek, bay leaves, clove, chili, cassia bark, black pepper, nutmeg, black mustard, turmeric, saffron, star anise, onion, dill, asafoetida, celery, allspice, kokum, greater galangal, and sweet flag) are described in this review. These spices show many pharmacological activities like anti-inflammatory, antimicrobial, anti-diabetic, anti-obesity, cardiovascular, gastrointestinal, central nervous system, and antioxidant activities. Numerous bioactive compounds are present in these selected spices, such as 1,8-cineole, monoterpene hydrocarbons, γ-terpinene, cuminaldehyde, trans-anethole, fenchone, estragole, benzylisoquinoline alkaloids, eugenol, cinnamaldehyde, piperine, linalool, malabaricone C, safrole, myristicin, elemicin, sinigrin, curcumin, bidemethoxycurcumin, dimethoxycurcumin, crocin, picrocrocin, quercetin, quercetin 4'-O-β-glucoside, apiol, carvone, limonene, α-phellandrene, galactomannan, rosmarinic acid, limonene, capsaicinoids, eugenol, garcinol, and α-asarone. Other than that, various spices are used to synthesize different types of metal-based and polymer-based nanoparticles like zinc oxide, gold, silver, selenium, silica, and chitosan nanoparticles which provide beneficial health effects such as antioxidant, anti-carcinogenic, anti-diabetic, enzyme retardation effect, and antimicrobial activity. The nanoparticles can also be used in environmental pollution management like dye decolorization and in chemical industries to enhance the rate of reaction by the use of catalytic activity of the nanoparticles. The nutritional value, phytochemical properties, health advantages, and both traditional and modern applications of these spices, along with their functions in food fortification, have been thoroughly discussed in this review.
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Affiliation(s)
- Debopriya Mandal
- Department of Food Technology and Biochemical Engineering, Jadavpur University, Kolkata, 700032, India
| | - Tanmay Sarkar
- Department of Food Processing Technology, Malda Polytechnic, West Bengal State Council of Technical Education, Govt. of West Bengal, Malda, 732102, India.
| | - Runu Chakraborty
- Department of Food Technology and Biochemical Engineering, Jadavpur University, Kolkata, 700032, India.
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Cao HN, Ruan JY, Han Y, Zhao W, Zhang Y, Gao C, Wu HH, Ma L, Gao XM, Zhang Y, Wang T. NO Release Inhibitory Activity of Flavonoids from Aesculus Wilsonii Seeds through MAPK (P38), NF-κB, and STAT3 Cross-Talk Signaling Pathways. PLANTA MEDICA 2023; 89:46-61. [PMID: 35253147 DOI: 10.1055/a-1789-2983] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The flavonoid constituents of Aesculus wilsonii, a source of the Chinese medicinal drug Suo Luo Zi, and their in vitro anti-inflammatory effects were investigated. Fifteen flavonoids, including aeswilflavonosides IA-IC (1: - 3: ) and aeswilflavonosides IIA-IIE (4: - 8: ), along with seven known derivatives were isolated from a seed extract. Their structures were elucidated by extensive spectroscopic methods, acid and alkaline hydrolysis, and calculated electronic circular dichroism spectra. Among them, compounds 3: and 7: possess a 5-[2-(carboxymethyl)-5-oxocyclopent-yl]pent-3-enylate or oleuropeoylate substituent, respectively, which are rarely reported in flavonoids. Compounds 2, 3, 7: , and 12: - 15: were found to inhibit lipopolysaccharide-induced nitric oxide production in RAW 264.7 cell lines. In a mechanistic assay, the flavonoid glycosides 2, 3: , and 7: reduced the expressions of interleukin-6 and tumor necrosis factor-alpha induced by lipopolysaccharide. Further investigations suggest that 2: and 3: downregulated the protein expression of tumor necrosis factor-alpha and interleukin-6 by inhibiting the phosphorylation of p38. Compound 7: was found to reduce the production of inducible nitric oxide synthase, and the secretion of tumor necrosis factor-alpha and interleukin-6 through inhibiting nuclear factor kappa-light-chain-enhancer of activated B signaling pathway. Compounds 2, 3: , and 7: possessed moderate inhibitory activity on the expression of signal transducer and activator of transcription-3. Taken together, the data indicate that the flavonoid glycosides of A. wilsonii seeds exhibit nitric oxide release inhibitory activity through mitogen-activated protein kinase (p38), nuclear factor kappa-light-chain-enhancer of activated B, and signal transducer and activator of transcription-3 cross-talk signaling pathways.
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Affiliation(s)
- Hui Na Cao
- Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, West Area, Tuanbo New Town, Jinghai District, Tianjin, China
| | - Jing Ya Ruan
- Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, West Area, Tuanbo New Town, Jinghai District, Tianjin, China
| | - Yu Han
- Institute of TCM, Tianjin University of Traditional Chinese Medicine, West Area, Tuanbo New Town, Jinghai District, Tianjin, China
| | - Wei Zhao
- Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, West Area, Tuanbo New Town, Jinghai District, Tianjin, China
| | - Ying Zhang
- Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, West Area, Tuanbo New Town, Jinghai District, Tianjin, China
| | - Chang Gao
- Institute of TCM, Tianjin University of Traditional Chinese Medicine, West Area, Tuanbo New Town, Jinghai District, Tianjin, China
| | - Hong Hua Wu
- Institute of TCM, Tianjin University of Traditional Chinese Medicine, West Area, Tuanbo New Town, Jinghai District, Tianjin, China
| | - Lin Ma
- Institute of TCM, Tianjin University of Traditional Chinese Medicine, West Area, Tuanbo New Town, Jinghai District, Tianjin, China
| | - Xiu Mei Gao
- Institute of TCM, Tianjin University of Traditional Chinese Medicine, West Area, Tuanbo New Town, Jinghai District, Tianjin, China
| | - Yi Zhang
- Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, West Area, Tuanbo New Town, Jinghai District, Tianjin, China
- Institute of TCM, Tianjin University of Traditional Chinese Medicine, West Area, Tuanbo New Town, Jinghai District, Tianjin, China
| | - Tao Wang
- Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, West Area, Tuanbo New Town, Jinghai District, Tianjin, China
- Institute of TCM, Tianjin University of Traditional Chinese Medicine, West Area, Tuanbo New Town, Jinghai District, Tianjin, China
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Anti-inflammatory properties of novel galloyl glucosides isolated from the Australian tropical plant Uromyrtus metrosideros. Chem Biol Interact 2022; 368:110124. [PMID: 36007634 DOI: 10.1016/j.cbi.2022.110124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 08/11/2022] [Accepted: 08/17/2022] [Indexed: 11/23/2022]
Abstract
Two new galloyl glucosides, galloyl-lawsoniaside A (4) and uromyrtoside (6), were isolated from the polar fraction of Uromyrtus metrosideros leaf extract along with another four previously identified phytochemicals (1, 2, 3, and 5). The structures of these six compounds were characterised using low and high-resolution mass spectrometry (L/HRMS) and 1D and 2D Nuclear Magnetic Resonance (NMR) spectroscopy. These compounds were not toxic to human peripheral blood mononuclear cells (PBMCs) at 10 μg/mL over 24 h, yet showed significant in vitro suppression of proinflammatory cytokines involved in the pathogenesis of inflammatory bowel disease (IBD). Specifically, the release of interferon γ (IFN-γ), interleukin (IL)-17A, and IL-8 from phorbol myristate acetate/ionomycin (P/I) and anti-CD3/anti-CD28-activated cells were significantly suppressed by compounds 4 and 5. Interestingly, no effect on tumour necrosis factor (TNF) release was observed. These results show that the newly characterised compound 4 has promising cytokine suppressive properties, which could be further investigated as a candidate for IBD treatment.
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Zhu DH, Zhang JK, Jia JF, Liu JJ, Wei JJ, Yang M, Yang Y, Li M, Hao ZY, Zheng XK, Feng WS. Lignans and terpenoids from the stem of Ephedra equisetina Bunge. PHYTOCHEMISTRY 2022; 200:113230. [PMID: 35568259 DOI: 10.1016/j.phytochem.2022.113230] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 05/04/2022] [Accepted: 05/07/2022] [Indexed: 06/15/2023]
Abstract
Seven undescribed lignans, equiselignan A-F, and six undescribed terpenoids, equiseterpenoid A-E (including two pairs of enantiomers, (+/-)-equiselignan A and (+/-)-equiseterpenoid E), were isolated from the stems of Ephedra equisetina Bunge. Their structures were elucidated by spectroscopic methods, and the absolute configurations of the undescribed compounds were determined by interpretation of their electronic circular dichroic (ECD) and optical rotation data. In β-hexosaminidase (β-Hex) release assay, anti-asthmatic activities of all of the compounds were evaluated by releasing β-Hex in C48/80-induced RBL-2H3 cells. The β-Hex release rates of equiselignan B and equiseterpenoid B were 0.86 ± 0.094 and 0.86 ± 0.012 by comparing with model group, whereupon equiselignan B and equiseterpenoid B exhibited significant anti-asthmatic activities.
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Affiliation(s)
- Deng-Hui Zhu
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China; The Engineering and Technology Center for Chinese Medicine Development of Henan Province, Zhengzhou, 450046, PR China
| | - Jing-Ke Zhang
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China; The Engineering and Technology Center for Chinese Medicine Development of Henan Province, Zhengzhou, 450046, PR China
| | - Ju-Fang Jia
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China; The Engineering and Technology Center for Chinese Medicine Development of Henan Province, Zhengzhou, 450046, PR China
| | - Juan-Juan Liu
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China; The Engineering and Technology Center for Chinese Medicine Development of Henan Province, Zhengzhou, 450046, PR China
| | - Jun-Jun Wei
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China; The Engineering and Technology Center for Chinese Medicine Development of Henan Province, Zhengzhou, 450046, PR China
| | - Meng Yang
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China; The Engineering and Technology Center for Chinese Medicine Development of Henan Province, Zhengzhou, 450046, PR China
| | - Ying Yang
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China; The Engineering and Technology Center for Chinese Medicine Development of Henan Province, Zhengzhou, 450046, PR China
| | - Meng Li
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China; The Engineering and Technology Center for Chinese Medicine Development of Henan Province, Zhengzhou, 450046, PR China
| | - Zhi-You Hao
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China; The Engineering and Technology Center for Chinese Medicine Development of Henan Province, Zhengzhou, 450046, PR China
| | - Xiao-Ke Zheng
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China; The Engineering and Technology Center for Chinese Medicine Development of Henan Province, Zhengzhou, 450046, PR China; Co-Construction Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases By Henan & Education Ministry of PR China, Zhengzhou, 450046, PR China
| | - Wei-Sheng Feng
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China; The Engineering and Technology Center for Chinese Medicine Development of Henan Province, Zhengzhou, 450046, PR China; Co-Construction Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases By Henan & Education Ministry of PR China, Zhengzhou, 450046, PR China.
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Xiao M, Lim-Ho Kong B, Zhang Y, Yang Y, Lu J, Lee HK, Cao F, Shaw PC. Anti-influenza mechanism of phenolic phytochemicals from Canarium album (Lour.) DC. leaf extract. JOURNAL OF ETHNOPHARMACOLOGY 2022; 292:115175. [PMID: 35306041 DOI: 10.1016/j.jep.2022.115175] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 03/01/2022] [Accepted: 03/03/2022] [Indexed: 06/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Canarium album (Lour.) DC. belongs to the Burseraceae family. Its leaf, named as Ganlanye (GLY), was recorded to treat warm disease symptoms via clearing lung heat and toxicants in medical classics. Its aqueous extract had anti-influenza activity in our previous phenotypic screening. However, its active components and mechanism were not identified. AIM We aim to isolate the anti-influenza phytochemicals from GLY extract and explore its anti-flu mechanism. MATERIAL AND METHODS Influenza A virus infected MDCK cells were used to test the compounds and fractions. Structural analyses of new compounds were performed via NMR calculation with the combination of DP4plus probability method and computed electronic circular dichroism (ECD). Hemagglutination inhibitory assay and neuraminidase inhibitory assay were performed to find the target protein. Molecular docking and recombinant virus were used to confirm the action site of the three new canaroleosides. RESULTS Three new phenolic glycosides, canaroleosides A-C (1-3), and three known flavonoids (4-6), were isolated from the GLY aqueous extract and their anti-influenza virus mechanism was revealed. The absolute configurations of 1-3 were determined by ECD method, with the structure of the 2,5-dihydroxybenzoic acid moiety in 1 assigned by NMR calculation. Compound 1 was found to suppress both hemagglutinin and neuraminidase activities. Compounds 2, 3 4 and 6 inhibited neuraminidase, while compound 5 inhibited hemagglutinin. 1-3 could interact with Arg152 of the viral neuraminidase based on the result of molecular docking and reverse genetics. CONCLUSION Six phytochemicals were isolated from GLY aqueous extract and found to inhibit influenza A strains. They were found to interact with hemagglutinin or neuraminidase and canaroleosides 1-3 could interact with Arg152 of the viral neuraminidase. This study provided more evidence on the anti-influenza effect of Ganlan and laid the foundation for further generation of potent NA inhibitors.
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Affiliation(s)
- Mengjie Xiao
- School of Life Sciences, The Chinese University of Hong Kong, 999077, Hong Kong, China
| | - Bobby Lim-Ho Kong
- School of Life Sciences, The Chinese University of Hong Kong, 999077, Hong Kong, China
| | - Yahui Zhang
- College of Pharmaceutical Sciences, Hebei University, Baoding, 077000, China
| | - Yinhua Yang
- SUSTech Core Research Facilities, Southern University of Science and Technology, Shenzhen, 518000, China
| | - Jiaqi Lu
- School of Life Sciences, The Chinese University of Hong Kong, 999077, Hong Kong, China
| | - Hung-Kay Lee
- Department of Chemistry, The Chinese University of Hong Kong, 999077, Hong Kong, China
| | - Fei Cao
- College of Pharmaceutical Sciences, Hebei University, Baoding, 077000, China.
| | - Pang-Chui Shaw
- School of Life Sciences, The Chinese University of Hong Kong, 999077, Hong Kong, China; State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants and Institute of Chinese Medicine, The Chinese University of Hong Kong, 999077, Hong Kong, China; Li Dak Sum Yip Yio Chin R&D Centre for Chinese Medicine, The Chinese University of Hong Kong, 999077, Hong Kong, China.
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Premachandran MS, Murthy PS. Ethnobotanical, phytochemical, pharmacological properties and applications of Pimenta dioica L. JOURNAL OF ESSENTIAL OIL RESEARCH 2022. [DOI: 10.1080/10412905.2022.2032423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- M. Shikku Premachandran
- Department of Spices and Flavor Science, CSIR-Central Food Technological Research Institute, Mysuru, India
- Department of Spices and flavor Science, Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Pushpa S. Murthy
- Department of Spices and Flavor Science, CSIR-Central Food Technological Research Institute, Mysuru, India
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Duan KF, Zang XY, Shang MY, Zhang W, Xie BB, Wang L, Xu F, Cai SQ. Non-ephedrine constituents from the herbaceous stems of Ephedra sinica. Fitoterapia 2021; 153:104998. [PMID: 34314801 DOI: 10.1016/j.fitote.2021.104998] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 07/14/2021] [Accepted: 07/17/2021] [Indexed: 10/20/2022]
Abstract
Three new flavonoids, ephedroside A (1), ephedroside B (2), ephedroside C (3), together with fifty-four known compounds 4-57 were isolated from the EtOH extract of the herbaceous stems of Ephedra sinica. The structures of these compounds were elucidated by spectroscopic techniques, as well as by comparison with literature data. Thirty-eight of these compounds were isolated from the genus Ephedra for the first time. The antimicrobial activities of eight compounds were tested by measuring the minimum inhibitory concentrations (MIC) against bacteria (both Gram positive and Gram negative) and fungi, and were found to be in the range of 0.105-0.926 mM. Among them, compound 2 showed the best antimicrobial activity against Pseudomonas aeruginosa with MIC value of 0.105 mM.
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Affiliation(s)
- Kang-Fei Duan
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xueyuan Road, Haidian District, Beijing 100191, China
| | - Xin-Yu Zang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xueyuan Road, Haidian District, Beijing 100191, China
| | - Ming-Ying Shang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xueyuan Road, Haidian District, Beijing 100191, China.
| | - Wen Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xueyuan Road, Haidian District, Beijing 100191, China
| | - Bai-Bo Xie
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xueyuan Road, Haidian District, Beijing 100191, China
| | - Lu Wang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xueyuan Road, Haidian District, Beijing 100191, China; Beijing Pharma and Biotech Center, 151 Ma Lian Wa North Road, Haidian District, Beijing 100193, China
| | - Feng Xu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xueyuan Road, Haidian District, Beijing 100191, China
| | - Shao-Qing Cai
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xueyuan Road, Haidian District, Beijing 100191, China.
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Abdelmalek EM, Zulfiqar F, Albadry MA, Khan SI, Meepagala KM, Ramadan MA, Darwish FM, Assaf MH, Ross SA. In silico and in vitro studies of isolated constituents from Callistemon citrinus leaves: Anti-microbial potential and inhibition of iNOS activity. PHYTOCHEMISTRY 2021; 186:112745. [PMID: 33845184 DOI: 10.1016/j.phytochem.2021.112745] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 03/15/2021] [Accepted: 03/16/2021] [Indexed: 06/12/2023]
Abstract
Phytochemical investigation of Callistemon citrinus (Curtis) Skeels (syn. Callistemon lanceolatus (Sm.) Sweet and Melaleuca citrina (Curtis) Dum.Cours.) leaves resulted in the isolation of five undescribed compounds, including one acylphloroglucinol derivative and four monoterpene galloylglucosides, in addition to 29 known diverse secondary metabolites. Interestingly, this study reports chemosystematically significant isolation of the monoterpene galloylglucosides from the genus for the first time. Furthermore, exploration of the isolated compounds as inhibitors of inflammation-related molecular targets, molecular docking studies targeting human adipocyte lipid-binding protein FABP4 (3P6H) and human nitric oxide synthase (3E7G) were carried out in order with the in vitro evaluation of the isolated compounds for their anti-microbial and inhibitory of inducible nitric oxide synthase (iNOS) activities. Molecular docking studies revealed that eighteen compounds showed lower docking scores than ibuprofen, the native ligand in the crystal structure 3P6H, and nine compounds showed lower docking scores than AR-C95791, the native ligand in the binding site of 3E7G. Additionally, in vitro studies revealed that seven compounds showed moderate iNOS inhibitory activity. They also were moderately cytotoxic to HepG2, LLC-PK1 and Vero cells. Pulverulentone A showed moderate antibacterial activity against MRSA (IC50 22.2 μM) and antifungal activity against C. neoformans, while corosolic acid showed strong antibacterial activity against VRE (IC50 15.9 μM).Thus, the in silico and in vitro studies indicated that some isolated compounds hold potentials as inhibitors of iNOS activity and anti-microbial agents.
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Affiliation(s)
- Ereny M Abdelmalek
- National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, School of Pharmacy, University of Mississippi, University, MS, 38677, USA; Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut, 71526, Egypt
| | - Fazila Zulfiqar
- National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, School of Pharmacy, University of Mississippi, University, MS, 38677, USA
| | - Mohamed A Albadry
- National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, School of Pharmacy, University of Mississippi, University, MS, 38677, USA
| | - Shabana I Khan
- National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, School of Pharmacy, University of Mississippi, University, MS, 38677, USA; Division of Pharmacognosy, Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, MS, 38677, USA
| | | | - Mahmoud A Ramadan
- Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut, 71526, Egypt
| | - Faten M Darwish
- Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut, 71526, Egypt
| | - Mahmoud H Assaf
- Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut, 71526, Egypt
| | - Samir A Ross
- National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, School of Pharmacy, University of Mississippi, University, MS, 38677, USA; Division of Pharmacognosy, Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, MS, 38677, USA.
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Moharram FAE, Al-Gendy AA, El-Shenawy SM, Ibrahim BM, Zarka MA. Phenolic profile, anti-inflammatory, antinociceptive, anti-ulcerogenic and hepatoprotective activities of Pimenta racemosa leaves. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 18:208. [PMID: 29976187 PMCID: PMC6034294 DOI: 10.1186/s12906-018-2260-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Accepted: 06/18/2018] [Indexed: 12/18/2022]
Abstract
BACKGROUND Pimenta racemosa tree has many traditional uses where its leaves are used as herbal tea for treatment of flatulence, gastric disorder, osteoarthritis, colds and fever in addition to its analgesic and anti-inflammatory activities. So, this study aimed to isolate phenolic constituents of 80% aqueous methanol extract (AME) of leaves and evaluate its biological activities. METHODS The defatted AME was chromatographed and structures of the isolated compounds were elucidated using UV, NMR spectroscopy and UPLC-ESI-MS analysis. Antioxidant activity was investigated using 2, 2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging capacity. Anti-inflammatory activity was evaluated using carrageenan - induced paw oedema, while antinociceptive activity was determined by chemical and thermal stimuli. Anti-ulcerogenic effect of AME against gastric damage induced by ethanol in Wister male albino rats was evaluated. Also, hepatoprotective activity was investigated through determination of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) following oral administration of paracetamol. Both of Anti-ulcerogenic and hepatoprotective activities (125, 250 and 500 mg/kg b.wt.) were supported by histopathological examinations. RESULTS Gallic acid (1), methyl gallate (2), avicularin (3), quercetin 3-O-β-D-arbinopyranoside (4), quercetin 3-O-β-D-glucopyranoside (5), quercetrin (6), cynaroside (7), strictinin (8), castalagin (9), grandinin (10) quercetin (11) and ellagic acid (12) were isolated. AME showed significant radical scavenging activity (SC50 = 4.6 μg/mL), promising anti-inflammatory effect through inhibition of oedema and antinociceptive activity by reduction in number of writhes after acetic acid injection and prolongation of reaction time towards the thermal stimulus. AME reduced the gastric mucosal lesions compared with ethanol control and ranitidine groups, ALT at the three doses and AST only at 125 and 250 mg/kg b.wt., when compared with paracetamol group. The results were confirmed by histopathological studies. CONCLUSION P. racemosa leaves are rich in phenolic compounds and showed significant biological activities.
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Affiliation(s)
| | - Amal Amin Al-Gendy
- Department of Pharmacognosy, Faculty of Pharmacy, Zagazig University, Zagazig, 44519 Egypt
| | | | - Bassant M. Ibrahim
- Department of Pharmacology, National Research Center, Dokki, Cairo, 12622 Egypt
| | - Mohamed A. Zarka
- Department of Pharmacognosy, Faculty of Pharmacy, Modern Sciences and Arts University, 6 October City, Egypt
- Present Address: Department of Pharmacognosy, Faculty of Pharmacy, Modern University for Technology and Information, Cairo, Egypt
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Atkinson RG. Phenylpropenes: Occurrence, Distribution, and Biosynthesis in Fruit. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:2259-2272. [PMID: 28006900 DOI: 10.1021/acs.jafc.6b04696] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Phenylpropenes such as eugenol, chavicol, estragole, and anethole contribute to the flavor and aroma of a number of important herbs and spices. They have been shown to function as floral attractants for pollinators and to have antifungal and antimicrobial activities. Phenylpropenes are also detected as free volatiles and sequestered glycosides in a range of economically important fresh fruit species including apple, strawberry, tomato, and grape. Although they contribute a relatively small percentage of total volatiles compared with esters, aldehydes, and alcohols, phenylpropenes have been shown to contribute spicy anise- and clove-like notes to fruit. Phenylpropenes are typically found in fruit throughout development and to reach maximum concentrations in ripe fruit. Genes involved in the biosynthesis of phenylpropenes have been characterized and manipulated in strawberry and apple, which has validated the importance of these compounds to fruit aroma and may help elucidate other functions for phenylpropenes in fruit.
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Affiliation(s)
- Ross G Atkinson
- The New Zealand Institute for Plant & Food Research Limited (PFR) , Private Bag 92169, Auckland 1142 , New Zealand
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Loizzo MR, Sicari V, Tenuta MC, Leporini MR, Falco T, Pellicanò TM, Menichini F, Tundis R. Phytochemicals content, antioxidant and hypoglycaemic activities of commercial nutmeg mace (Myristica fragransL.) and pimento (Pimenta dioica(L.) Merr.). Int J Food Sci Technol 2016. [DOI: 10.1111/ijfs.13178] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Monica Rosa Loizzo
- Department of Pharmacy; Health and Nutritional Sciences; University of Calabria; Via P. Bucci - Edificios Polifunzionale Arcavacata di Rende (CS) 87036 Italy
| | - Vincenzo Sicari
- Department of Agraria; University “Mediterranea” of Reggio Calabria; Località Feo di Vito Reggio Calabria (RC) 89122 Italy
| | - Maria Concetta Tenuta
- Department of Pharmacy; Health and Nutritional Sciences; University of Calabria; Via P. Bucci - Edificios Polifunzionale Arcavacata di Rende (CS) 87036 Italy
| | - Maria Rosaria Leporini
- Department of Agraria; University “Mediterranea” of Reggio Calabria; Località Feo di Vito Reggio Calabria (RC) 89122 Italy
| | - Tiziana Falco
- Department of Environmental and Chemical Engineering; University of Calabria; Via P. Bucci Rende (CS) 87036 Italy
| | - Teresa Maria Pellicanò
- Department of Agraria; University “Mediterranea” of Reggio Calabria; Località Feo di Vito Reggio Calabria (RC) 89122 Italy
| | - Francesco Menichini
- Department of Pharmacy; Health and Nutritional Sciences; University of Calabria; Via P. Bucci - Edificios Polifunzionale Arcavacata di Rende (CS) 87036 Italy
| | - Rosa Tundis
- Department of Pharmacy; Health and Nutritional Sciences; University of Calabria; Via P. Bucci - Edificios Polifunzionale Arcavacata di Rende (CS) 87036 Italy
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Trace enrichment and characterization of polyphenols in Bistort Rhizoma using weak anion-exchange solid phase extraction and high performance liquid chromatography-quadrupole time-of-flight mass spectrometry. J Pharm Biomed Anal 2016; 119:91-8. [DOI: 10.1016/j.jpba.2015.11.033] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Revised: 11/16/2015] [Accepted: 11/25/2015] [Indexed: 11/18/2022]
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Dat LD, Thao NP, Luyen BTT, Tai BH, Jeong MH, Woo MH, Kim YH. Identification of six new lupane-type triterpenoids from Acanthopanax koreanum leaves and their tyrosinase inhibitory activities. Bioorg Med Chem Lett 2016; 26:1061-1067. [DOI: 10.1016/j.bmcl.2015.12.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 12/01/2015] [Accepted: 12/08/2015] [Indexed: 10/22/2022]
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18
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Tian LW, Feng Y, Tran TD, Shimizu Y, Pfeifer T, Forster PI, Quinn RJ. Tyrosyl-DNA Phosphodiesterase I Inhibitors from the Australian Plant Macropteranthes leichhardtii. JOURNAL OF NATURAL PRODUCTS 2015; 78:1756-1760. [PMID: 26149757 DOI: 10.1021/acs.jnatprod.5b00211] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Mass-directed isolation of the CH2Cl2/MeOH extract from the bark of an Australian plant, Macropteranthes leichhardtii, resulted in the purification of a new phenylpropanoid glucoside, macropteranthol (1), together with four known analogues (2-5). The structure of compound 1 was elucidated by NMR and MS data analyses and quantum chemical calculations. Compounds 3 and 5 showed inhibitory activity against tyrosyl-DNA phosphodiesterase I with IC50 values of ∼1.0 μM.
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Affiliation(s)
- Li-Wen Tian
- †Eskitis Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia
| | - Yunjiang Feng
- †Eskitis Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia
| | - Trong D Tran
- †Eskitis Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia
| | - Yoko Shimizu
- ‡Centre for Drug Research and Development, Vancouver, BC 2405, Canada
| | - Tom Pfeifer
- ‡Centre for Drug Research and Development, Vancouver, BC 2405, Canada
| | | | - Ronald J Quinn
- †Eskitis Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia
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Zhang L, Shamaladevi N, Jayaprakasha GK, Patil BS, Lokeshwar BL. Polyphenol-rich extract of Pimenta dioica berries (Allspice) kills breast cancer cells by autophagy and delays growth of triple negative breast cancer in athymic mice. Oncotarget 2015; 6:16379-95. [PMID: 25945840 PMCID: PMC4599276 DOI: 10.18632/oncotarget.3834] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Accepted: 03/29/2015] [Indexed: 12/26/2022] Open
Abstract
Bioactive compounds from edible plants have limited efficacy in treating advanced cancers, but they have potential to increase the efficacy of chemotherapy drugs in a combined treatment. An aqueous extract of berries of Pimenta dioica (Allspice) shows promise as one such candidate for combination therapy or chemoprevention. An aqueous extract of Allspice (AAE) was tested against human breast cancer (BrCa) cells in vitro and in vivo. AAE reduced the viability and clonogenic growth of several types of BrCa cells (IC50 ≤ 100 μg/ml) with limited toxicity in non-tumorigenic, quiescent cells (IC50 >200 μg/ml). AAE induced cytotoxicity in BrCa was inconsistent with apoptosis, but was associated with increased levels of autophagy markers LC3B and LC3B-positive puncta. Silencing the expression of autophagy related genes (ATGs) prevented AAE-induced cell death. Further, AAE caused inhibition of Akt/mTOR signaling, and showed enhanced cytotoxicity when combined with rapamycin, a chemotherapy drug and an inhibitor of mTOR signaling. Oral administration (gavage) of AAE into athymic mice implanted with MDA-MB231 tumors inhibited tumor growth slightly but not significantly (mean decrease ~ 14%, p ≥ 0.20) if mice were gavaged post-tumor implant. Tumor growth showed a significant delay (38%) in tumor palpability and growth rate (time to reach tumor volume ≥ 1,000 mm3) when mice were pre-dosed with AAE for two weeks. Analysis of tumor tissues showed increased levels of LC3B in AAE treated tumors, indicating elevated autophagic tumor cell death in vivo in treated mice. These results demonstrate antitumor and chemo-preventive activity of AAE against BrCa and potential for adjuvant to mTOR inhibition.
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Affiliation(s)
- Lei Zhang
- Sheila and David Fuente Graduate Program in Cancer Biology, Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, Miami, Florida, USA
| | - Nagarajarao Shamaladevi
- Departments of Urology and Radiation Oncology, Miller School of Medicine, University of Miami, Miami, Florida, USA
| | | | - Bhimu S. Patil
- Vegetable and Fruit Improvement Center, Department of Horticultural Sciences, Texas A&M University, College Station, Texas, USA
| | - Bal L. Lokeshwar
- Sheila and David Fuente Graduate Program in Cancer Biology, Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, Miami, Florida, USA
- Departments of Urology and Radiation Oncology, Miller School of Medicine, University of Miami, Miami, Florida, USA
- Research Service, Bruce Carter Memorial Veterans Health Administration Medical Center, Miami, Florida, USA
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Zhang L, Lokeshwar BL. Medicinal properties of the Jamaican pepper plant Pimenta dioica and Allspice. Curr Drug Targets 2013; 13:1900-6. [PMID: 23140298 DOI: 10.2174/138945012804545641] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2012] [Revised: 10/24/2012] [Accepted: 11/03/2012] [Indexed: 11/22/2022]
Abstract
The Caribbean tropical tree, Pimenta dioica has been used for a variety of human endeavors, such as in perfumery industry, food spice, as a natural pesticide, and in folk medicine. Discovered in Jamaica during the voyages of Christopher Columbus, the dried unripe berries of P. dioica also known as Allspice can be found in all continents with unique names in over 50 languages. Systematic investigation of aromatic constituents of Pimenta leaves and its unripe berries, Allspice, have resulted in discovery of many and novel aromatic compounds, mostly glycosides and polyphenols that show antibacterial, hypotensive, anti-neuralgic and analgesic properties. Recent studies have shown two of the known compounds isolated from Allspice, Eugenol and Gallic acid have selective antiproliferative and anti-tumor properties on human cancer cells and their animal models. New characterization of novel compounds such as Ericifolin from the aqueous extract of Allspice berries show potent anti-prostate cancer and anti-breast cancer properties that can be verified in vitro as well as in vivo. Considering its purity, mostly available as "organically grown" berries, availability at low cost, wide acceptance in culinary delights of many cultures world-wide, Allspice may have an additional space in most households, in their medicine cabinets.
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Affiliation(s)
- Lei Zhang
- Sheila and David Fuente Graduate Program in Cancer Biology, Leonard Miller School of Medicine, University of Miami, Miami, FL33136, USA
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21
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Shamaladevi N, Lyn DA, Shaaban KA, Zhang L, Villate S, Rohr J, Lokeshwar BL. Ericifolin: a novel antitumor compound from allspice that silences androgen receptor in prostate cancer. Carcinogenesis 2013; 34:1822-32. [PMID: 23568956 DOI: 10.1093/carcin/bgt123] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Silencing of androgen receptor (AR) signaling is a specific and effective mechanism to cure cancer of the prostate (CaP). In this study, the isolation and characterization of a compound from the aromatic berries of Pimenta dioica (allspice) that silences AR is presented. Potential antitumor activities of an aqueous allspice extract (AAE) and a compound purified from the extract were tested on CaP cells. AAE inhibited tumor cell proliferation and colony formation (50% growth inhibition ∼40-85 µg/ml) but not the viability of quiescent normal fibroblasts or non-tumorigenic prostate cells. In tumor cells, AAE inhibited cell cycle progression at G1/S, induced apoptosis or autophagy. Apoptosis was by caspase-dependent poly (ADP ribose) polymerase cleavage. A caspase-independent, apoptosis-inducing factor-mediated mechanism of apoptosis caused cell death in castration-resistant AR-positive or AR-negative CaP cells, such as CWR22RV1, PC-3 or DU145 cells. Treatment with AAE decreased the levels of AR messenger RNA (mRNA), protein and silenced AR activity in AR-positive cells. AR depletion was due to inhibition of AR promoter activity and mRNA stability. Delayed tumor growth (~55%) without measurable systemic toxicity was observed in LNCaP tumor-bearing mice treated with AAE by oral or intraperitoneal routes. LNCaP tumor tissues from AAE-treated mice revealed increased apoptosis as a potential mechanism of antitumor activity of AAE. The chemical identity of bioactive compound in AAE was established through multistep high-performance liquid chromatography fractionation, mass and Nuclear Magnetic Resonance spectroscopies. The compound, eugenol 5-O-β-(6'-galloylglucopyranoside) or ericifolin (EF), showed antiproliferative, pro-apoptosis and anti-AR transcription activities. These results demonstrate a potential use of AAE and EF against prostate cancer.
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Affiliation(s)
- Nagarajarao Shamaladevi
- Department of Urology and Sylvester Cancer Center, School of Medicine, University of Miami, FL 33101, USA
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Lugemwa FN. Extraction of betulin, trimyristin, eugenol and carnosic acid using water-organic solvent mixtures. Molecules 2012; 17:9274-82. [PMID: 22864237 PMCID: PMC6268899 DOI: 10.3390/molecules17089274] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2012] [Revised: 07/26/2012] [Accepted: 07/27/2012] [Indexed: 11/16/2022] Open
Abstract
A solvent system consisting of ethyl acetate, ethyl alcohol and water, in the volume ratio of 4.5:4.5:1, was developed and used to extract, at room temperature, betulin from white birch bark and antioxidants from spices (rosemary, thyme, sage, and oregano) and white oak chips. In addition, under reflux conditions, trimyristin was extracted from nutmeg using the same solvent system, and eugenol from olives was extracted using a mixture of salt water and ethyl acetate. The protocol demonstrates the use of water in organic solvents to extract natural products from plants. Measurement of the free-radical scavenging activity using by 2,2-diphenyl-1-picrylhydrazyl (DPPH) indicated that the extraction of plant material using ethyl acetate, ethyl alcohol and water (4.5:4.5:1, v/v/v) was exhaustive when carried out at room temperature for 96 h.
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Affiliation(s)
- Fulgentius N Lugemwa
- Department of Chemistry, Pennsylvania State University-York, 1031 Edgecomb Avenue, York, PA 17403, USA.
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Polyphenolic compounds in clove and pimento and their antioxidative activities. Biosci Biotechnol Biochem 2011; 75:2207-12. [PMID: 22056438 DOI: 10.1271/bbb.110491] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Two new polyphenolic glucosides, 6'-O-acetylisobiflorin (1) and (2S)-3-(4-hydroxy-3-methoxyphenyl)-propane-1,2-diol 1-O-(6'-O-galloyl)-β-D-glucoside (2), were respectively isolated from the flower buds of Syzygium aromaticum and berries of Pimenta dioica. Each structure was elucidated on the basis of spectral analyses (NMR, MS and [α](D)) and chemical conversion. A total of twenty-seven known compounds from the plants were also characterized. The antioxidative activity of their extracts and the twenty-nine isolates including gallo- and ellagitannins was estimated by oxygen radical absorbance capacity (ORAC) assay, and eugenol (3), which was the most abundant ingredient in each plant extract, showed the most potent antioxidative activity [ORAC value of 39,270 µmol TE (trolox equivalent)/g].
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Nhiem NX, Kim KC, Kim AD, Hyun JW, Kang HK, Van Kiem P, Van Minh C, Thu VK, Tai BH, Kim JA, Kim YH. Phenylpropanoids from the leaves of Acanthopanax koreanum and their antioxidant activity. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2011; 13:56-61. [PMID: 21253950 DOI: 10.1080/10286020.2010.525743] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
By various chromatographic methods, one new phenylpropanoid, acanthopanic acid (1), and three known compounds, 1,2-O-dicaffeoylcyclopenta-3-ol (2), (4S)-α-terpineol 8-O-β-D-glucopyranoside (3), and rutin (4), were isolated from the methanol extract of the Acanthopanax koreanum leaves. Their structures were elucidated on the basis of spectroscopic analyses, and their antioxidant activities were evaluated by the intracellular reactive oxygen species (ROS) radical scavenging 2',7'-dichlorofluorescein diacetate assay. Among them, compounds 1, 2, and 4 showed significant scavenging capacity with IC(50) values of 3.8, 2.6, and 2.9 μM, respectively, and compound 3 showed weak scavenging capacity with the inhibition rate of 37% at 40 μM.
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Sardans J, Llusià J, Niinemets U, Owen S, Peñuelas J. Foliar mono- and sesquiterpene contents in relation to leaf economic spectrum in native and alien species in Oahu (Hawai'i). J Chem Ecol 2010; 36:210-26. [PMID: 20148357 DOI: 10.1007/s10886-010-9744-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2009] [Revised: 01/03/2010] [Accepted: 01/05/2010] [Indexed: 11/30/2022]
Abstract
Capacity for terpene production may confer advantage in protection against abiotic stresses such as heat and drought, and also against herbivore and pathogen attack. Plant invasive success has been intense in the Hawaiian islands, but little is known about terpene content in native and alien plant species on these islands. We conducted a screening of leaf terpene concentrations in 35 native and 38 alien dominant plant species on Oahu island. Ten (29%) of the 35 native species and 15 (39%) of the 38 alien species contained terpenes in the leaves. This is the first report of terpene content for the ten native species, and for 10 of the 15 alien species. A total of 156 different terpenes (54 monoterpenes and 102 sesquiterpenes) were detected. Terpene content had no phylogenetic significance among the studied species. Alien species contained significantly more terpenes in leaves (average+/-SE=1965+/-367 microg g(-1)) than native species (830+/-227 microg g(-1)). Alien species showed significantly higher photosynthetic capacity, N content, and lower Leaf Mass Area (LMA) than native species, and showed higher total terpene leaf content per N and P leaf content. Alien species, thus, did not follow the expected pattern of "excess carbon" in comparison with native species. Instead, patterns were consistent with the "nutrient driven synthesis" hypothesis. Comparing alien and native species, the results also support the modified Evolution of Increased Competitive Ability (EICA) hypothesis that suggests that alien success may be favored by a defense system based on an increase in concentrations of less costly defenses (terpenes) against generalist herbivores.
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Affiliation(s)
- Jordi Sardans
- Global Ecology Unit CSIC-CEAB-CREAF, Facultat de Ciencies, Edifici C, Universitat Autònoma de Barcelona, 08913, Bellaterra, Spain.
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Machida K, Sagawa H, Onoguchi R, Kikuchi M. Three New Glycosides fromViburnum plicatumThunb. var.tomentosumMiq. Helv Chim Acta 2010. [DOI: 10.1002/hlca.200900232] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Nitta Y, Kikuzaki H, Ueno H. Inhibitory activity of Pimenta dioica extracts and constituents on recombinant human histidine decarboxylase. Food Chem 2009. [DOI: 10.1016/j.foodchem.2008.07.078] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Kikuzaki H, Miyajima Y, Nakatani N. Phenolic glycosides from berries of Pimenta dioica. JOURNAL OF NATURAL PRODUCTS 2008; 71:861-865. [PMID: 18314960 DOI: 10.1021/np0705615] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Four new phenolic glycosides, (2-hydroxy-3-methoxy-5-allyl)phenyl beta- d-(6-O-E-sinapoyl)glucopyranoside (1), (1' R,5' R)-5-(5-carboxymethyl-2-oxocyclopentyl)-3 Z-pentenyl beta-D-(6-O-galloyl)glucopyranoside (2), (S)-alpha-terpinyl [alpha-L-(2-O-galloyl)arabinofuranosyl]-(1-->6)-beta-D-glucopyranoside (3), and (R)-alpha-terpinyl [alpha-L-(2-O-galloyl)arabinofuranosyl]-(1-->6)-beta-D-glucopyranoside (4), were isolated from the berries of Pimenta dioica together with eight known flavonoids. The structures of 1-4 were elucidated on the basis of MS and NMR data and enzymatic hydrolysis. All four glycosides showed radical-scavenging activity against 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals.
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Affiliation(s)
- Hiroe Kikuzaki
- Division of Food and Health Sciences, Graduate School of Human Life Science, Osaka City University, Sumiyoshi, Osaka, Japan.
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Arciniegas A, Pérez-Castorena AL, Villaseñor JL, Romo de Vivar A. Cacalol derivatives from Roldana angulifolia. JOURNAL OF NATURAL PRODUCTS 2006; 69:1826-9. [PMID: 17190472 DOI: 10.1021/np0604073] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Four new modified eremophilanes, angulifolide (1) and angulifolins A-C (2-4), and two new triacetylglucosides (7 and 8) were isolated from Roldana angulifolia, together with several known compounds. The structures of the new compounds were elucidated by spectroscopic analysis and chemical reactions. The absolute configuration of compounds 2 and 3 was established by Mosher ester methodology. Cytotoxicity against selected human cancer cell lines was determined for the more abundant isolated metabolites.
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Affiliation(s)
- Amira Arciniegas
- Instituto de Química and Instituto de Biología, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán 04510, D.F., México
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Son YK, Song TH, Woo IA, Ryu HS. Antioxidative Activity of Phenolic Compounds of Allspice (Pimenta dioica). Prev Nutr Food Sci 2005. [DOI: 10.3746/jfn.2005.10.1.092] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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Oh H, Shin H, Oh GS, Pae HO, Chai KY, Chung HT, Lee HS. The absolute configuration of prunioside A from Spiraea prunifolia and biological activities of related compounds. PHYTOCHEMISTRY 2003; 64:1113-1118. [PMID: 14568077 DOI: 10.1016/s0031-9422(03)00499-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The stereochemistry of prunioside A isolated from Spiraea prunifolia was determined by chemical transformations and NMR spectral data analysis. The configurations at C-5 and C-6 were determined to be 5S and 6R by application of the modified Mosher's method, CD analysis, and 13C NMR spectroscopic data analysis of an acetonide derivative. Other compounds related to prunioside A have inhibitory effects on the synthesis of nitric oxide in LPS-stimulated macrophage-like RAW 264.7 cells.
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Affiliation(s)
- Hyuncheol Oh
- Professional Graduate School of Oriental Medicine, Wonkwang University, Iksan, Chonbuk 570-749, South Korea
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Nagatani Y, Warashina T, Noro T. Studies on the constituents from the aerial part of Baccharis dracunculifolia DC. II. Chem Pharm Bull (Tokyo) 2002; 50:583-9. [PMID: 12036009 DOI: 10.1248/cpb.50.583] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Ten new glycosides were obtained along with five known compounds from the aerial part of Baccharis dracunculifolia DC. (Compositae). The structures of these glycosides were determined based on spectral and chemical evidence. These new compounds consisted of beta-D-glucopyranose or beta-D-apiofuranosyl-(1-->6)-beta-D-glucopyranose, and most possessed an (E)-caffeoyl group the same as dracunculifosides A-J.
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Affiliation(s)
- Yoshimi Nagatani
- Institute for Environmental Sciences, University of Shizuoka, Japan
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Abstract
Spices and herbs are recognized as sources of natural antioxidants and thus play an important role in the chemoprevention of diseases resulting from lipid peroxidation. Our studies on spices and herbs have given us over a hundred compounds, known and new, having high antioxidant activity. From the Labiatae family, Rosmarinus officinalis, Thymus vulgaris, Origanum vulgare and O. majorana gave 26 active comopounds. Over 40 antioxidative compounds from Zingiber officinale, 26 compounds from Curcuma domestica = C. longa, C. xanthorrhiza and Z. cassumunar were determined, these belonging to the family Zingiberaceae. From the family Myrtaceae, 25 compounds from the berries of Pimenta dioica were determined and 3 carbazoles were isolated from Murraya koenigii. Structure-activity relationships of some of the isolated compounds were also discussed.
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Affiliation(s)
- N Nakatani
- Department of Food aind Nutrition, Faculty of Human Life Science, Osaka City University, Sumiyoshi, Japan.
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