1
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Zhao Z, Hao Y, Liu Y, Shi Y, Lin X, Wang L, Wen P, Hu X, Li J. Comprehensive evaluation of aroma and taste properties of different parts from the wampee fruit. Food Chem X 2023; 19:100835. [PMID: 37636899 PMCID: PMC10457502 DOI: 10.1016/j.fochx.2023.100835] [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: 06/06/2023] [Revised: 07/21/2023] [Accepted: 08/09/2023] [Indexed: 08/29/2023] Open
Abstract
Wampee is a tropical fruit having high medicinal value. To fully realize the fruit's potential, it is essential to reveal the flavor characteristics. In this study, a comprehensive analysis of the aroma and taste profiles of different parts from the wampee fruit was conducted. The aroma profile was analyzed by E-nose, and 67 volatile components were identified through HS-SPME-GC-MS. Among them, 11 were considered as crucial compounds. Additionally, 42 volatile components were identified by HS-GC-IMS, with 22 compounds showing a variable importance in projection scores greater than 1.0. Moreover, the taste profile and representative compounds were analyzed by E-tongue and HPLC, and 12 compounds were considered as important taste contributors based on taste activity value. These findings shed light on the various compounds responsible for the unique aroma and taste of the wampee fruit, providing theoretical foundation for exploring ways for its comprehensive utilization and development.
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Affiliation(s)
- Zhiheng Zhao
- School of Food Science and Engineering, Hainan University, Haikou 570228, China
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou 570228, China
| | - Yaofei Hao
- School of Food Science and Engineering, Hainan University, Haikou 570228, China
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou 570228, China
| | - Yijun Liu
- School of Food Science and Engineering, Hainan University, Haikou 570228, China
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou 570228, China
| | - Yousheng Shi
- School of Food Science and Engineering, Hainan University, Haikou 570228, China
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou 570228, China
| | - Xue Lin
- School of Food Science and Engineering, Hainan University, Haikou 570228, China
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou 570228, China
| | - Lu Wang
- School of Food Science and Engineering, Hainan University, Haikou 570228, China
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou 570228, China
| | - Pan Wen
- School of Food Science and Engineering, Hainan Tropical Ocean University, Sanya 572022, China
| | - Xiaoping Hu
- School of Food Science and Engineering, Hainan University, Haikou 570228, China
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou 570228, China
| | - Jianxun Li
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China
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2
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Fu X, Xiao S, Cao D, Yuan M, Xiang M, Zhou Q, Huang Y, Wei H, Peng W. Antifungal active ingredient from the twigs and leaves of Clausena lansium Lour. Skeels (Rutaceae). Front Chem 2022; 10:1104805. [PMID: 36583154 PMCID: PMC9792782 DOI: 10.3389/fchem.2022.1104805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 11/28/2022] [Indexed: 12/14/2022] Open
Abstract
Two novel amides, named clauphenamides A and B, and twelve other known compounds were isolated from the twigs and leaves of Clausena lansium Lour. Skeels (Rutaceae). Their structures were elucidated on the basis of extensive spectroscopic analysis and comparison with data reported in the literature. Clauphenamide A (1) featured in the unit of N-2-(4,8-dimethoxyfuro [2,3-b]quinolin-7-yl)vinyl, and clauphenamide B (2) was a unprecedented N-phenethyl cinnamide dimer. Other known compounds belong to pyrrolidone amides (3 and 4), furacoumarins (7-10), simple coumarins (11-14), lignan (5) and sesquiterpene (6). Compounds 5, 6, 10 and 12 were separated from the genus (Clausena) for the first time, while 13 was isolated in the species (C. lansium) for the first time. The antifungal activities of the isolated compounds were assayed. As a result, at the concentration of 100 μg/ml, compared with the control (chlorothalonil, inhibition rate of 83.67%), compounds 1 and 2 were found to exhibit moderate antifungal activity against B. dothidea with inhibition rates of 68.39% and 52.05%, respectively. Compounds 11-14 also exhibited moderate activity against B. dothidea and F. oxysporum, with inhibition rates greater than 40%. In addition, compared with the control (chlorothalonil, inhibition rate of 69.02%), compounds 11-14 showed strong antifungal activity to P. oryzae, with inhibition rates greater than 55%. Among them, compound 14 has the strongest antifungal activity against P. oryzae, and the inhibition rate (65.44%) is close to that of the control chlorothalonil. Additionally, the structure-activity relationships of the separated compounds are also discussed preliminarily in this paper.
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Affiliation(s)
- Xiaoxiang Fu
- The Laboratory for Phytochemistry and Botanical Pesticides, College of Agriculture, Jiangxi Agricultural University, Nanchang, China
| | - Suling Xiao
- The Laboratory for Phytochemistry and Botanical Pesticides, College of Agriculture, Jiangxi Agricultural University, Nanchang, China
| | - Duantao Cao
- The Laboratory for Phytochemistry and Botanical Pesticides, College of Agriculture, Jiangxi Agricultural University, Nanchang, China
| | - Minxuan Yuan
- The Laboratory for Phytochemistry and Botanical Pesticides, College of Agriculture, Jiangxi Agricultural University, Nanchang, China
| | - Miaolian Xiang
- The Laboratory for Phytochemistry and Botanical Pesticides, College of Agriculture, Jiangxi Agricultural University, Nanchang, China
| | - Qinghong Zhou
- Jiangxi Province Key Laboratory of Tuberous Plant Biology, Jiangxi Agricultural University, Nanchang, China
| | - Yingjin Huang
- Jiangxi Province Key Laboratory of Tuberous Plant Biology, Jiangxi Agricultural University, Nanchang, China,Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education/Jiangxi Province, Jiangxi Agricultural University, Nanchang, China
| | - Hongyi Wei
- The Laboratory for Phytochemistry and Botanical Pesticides, College of Agriculture, Jiangxi Agricultural University, Nanchang, China,Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education/Jiangxi Province, Jiangxi Agricultural University, Nanchang, China
| | - Wenwen Peng
- The Laboratory for Phytochemistry and Botanical Pesticides, College of Agriculture, Jiangxi Agricultural University, Nanchang, China,Jiangxi Province Key Laboratory of Tuberous Plant Biology, Jiangxi Agricultural University, Nanchang, China,*Correspondence: Wenwen Peng,
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3
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Shen S, Chen X, Zhuo Q, Ma Y, Wang J, Wang L, Gong Z, Huo J. Integrating untargeted metabolites and targeted analysis for discrimination of kiwifruits from different cultivars. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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4
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Chan MZA, Lau H, Lim SY, Li SFY, Liu SQ. Untargeted LC-QTOF-MS/MS based metabolomics approach for revealing bioactive components in probiotic fermented coffee brews. Food Res Int 2021; 149:110656. [PMID: 34600658 DOI: 10.1016/j.foodres.2021.110656] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 08/17/2021] [Accepted: 08/18/2021] [Indexed: 10/20/2022]
Abstract
Amidst trends in non-dairy probiotic foods and functional coffees, we recently developed a fermented coffee brew containing high live counts of the probiotics Lacticaseibacillus rhamnosus GG and Saccharomyces boulardii CNCM-I745. However, probiotic fermentation did not alter levels of principal coffee bioactive components based on targeted analyses. Here, to provide therapeutic justification compared to other non-fermented coffee brews, we aimed to discover postbiotics in coffee brews fermented with L. rhamnosus GG and/or S. boulardii CNCM-I745. By using an untargeted LC-QTOF-MS/MS based metabolomics approach coupled with validated multivariate analyses, 37 differential metabolites between fermentation treatments were putatively annotated. These include the production of postbiotics such as 2-isopropylmalate by S. boulardii CNCM-I745, and aromatic amino acid catabolites (indole-3-lactate, p-hydroxyphenyllactate, 3-phenyllactate), and hydroxydodecanoic acid by L. rhamnosus GG. Overall, LC-QTOF based untargeted metabolomics can be an effective approach to uncover postbiotics, which may substantiate additional potential functionalities of probiotic fermented foods compared to their non-fermented counterparts.
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Affiliation(s)
- Mei Zhi Alcine Chan
- Department of Food Science & Technology, National University of Singapore, Science Drive 2, Singapore 117542, Singapore
| | - Hazel Lau
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore; Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A∗STAR), 2 Fusionopolis Way, Innovis, #08-03, Singapore 138634, Singapore
| | - Si Ying Lim
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore
| | - Sam Fong Yau Li
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore; NUS Environmental Research Institute (NERI), #02-01, T-Lab Building (TL), 5A Engineering Drive 1, Singapore 117411, Singapore
| | - Shao-Quan Liu
- Department of Food Science & Technology, National University of Singapore, Science Drive 2, Singapore 117542, Singapore; National University of Singapore (Suzhou) Research Institute, No. 377 Linquan Street, Suzhou Industrial Park, Suzhou 215123, Jiangsu, China.
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5
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Uddin MJ, Çiçek SS, Willer J, Shulha O, Abdalla MA, Sönnichsen F, Girreser U, Zidorn C. Phenylpropanoid and flavonoid glycosides from the leaves of Clerodendrum infortunatum (Lamiaceae). BIOCHEM SYST ECOL 2020. [DOI: 10.1016/j.bse.2020.104131] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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6
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Mangaonkar SR, Shetgaonkar SE, Vernekar AA, Singh FV. Ultrasonic‐Assisted Hypervalent Iodine‐Catalyzed Cyclization of (
E
)‐2‐Hydroxystilbenes to Benzofurans Using Iodobenzene as Pre‐catalyst. ChemistrySelect 2020. [DOI: 10.1002/slct.202002860] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Saeesh R. Mangaonkar
- Chemistry Division School of Advanced Sciences (SAS), VIT Chennai Vandalur-Kelambakkam Road Chennai 600 127, Tamil Nadu India
| | - Samata E. Shetgaonkar
- Chemistry Division School of Advanced Sciences (SAS), VIT Chennai Vandalur-Kelambakkam Road Chennai 600 127, Tamil Nadu India
| | - Amit A. Vernekar
- Inorganic and Physical Chemistry Laboratory CSIR-Central Leather Research Institute (CLRI) Adyar Chennai 600 020, Tamil Nadu India
- Academy of Scientific and Innovative Research (AcSIR) New Delhi India
| | - Fateh V. Singh
- Chemistry Division School of Advanced Sciences (SAS), VIT Chennai Vandalur-Kelambakkam Road Chennai 600 127, Tamil Nadu India
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7
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Ao H, Jia X, Dong L, Zhang R, Liu L, Huang F, Wang L, Zhang M. A new benzofuran glycoside from the fruit of Clausena lansium. Nat Prod Res 2020; 36:501-507. [PMID: 32643406 DOI: 10.1080/14786419.2020.1788557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
In this work, we isolated a new benzofuran glycoside, 6-β-d-glucosyl-6,7-dihydroxy-5-benzofuranpropanoic acid methyl ester (1), together with six known compounds (2-7) from the fruits of Clausena lansium (Lour.) Skeels. Extensive spectroscopic methods were employed to elucidate their structures. Herein, compounds 2, 3, 5 and 6 were reported from Clausena lansium (Lour.) Skeels for the first time. Moreover, compounds 1, 2, 4 and 6 showed comparable 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulphonic acid) (ABTS) radical scavenging activity to l-ascorbic acid, and compound 4 also exhibited potent 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity and ferric reducing antioxidant power (FRAP). All of the compounds showed oxygen radical absorbance capacity (ORAC) values ranging from 0.3 to 3.6 μmol trolex equivalent/μmol. In addition, compounds 3 and 5 also demonstrated good α-amylase inhibitory activity.
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Affiliation(s)
- Huiting Ao
- Tianjin Key Laboratory of Food Nutrition and Safety, College of Food Science and Technology, Tianjin University of Science and Technology, Tianjin, P. R. China.,Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs, Guangdong Key Laboratory of Agricultural Products Processing, Sericultural & Agri-Food Research Institute Guangdong Academy of Agricultural Sciences, Guangzhou, P. R. China
| | - Xuchao Jia
- Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs, Guangdong Key Laboratory of Agricultural Products Processing, Sericultural & Agri-Food Research Institute Guangdong Academy of Agricultural Sciences, Guangzhou, P. R. China
| | - Lihong Dong
- Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs, Guangdong Key Laboratory of Agricultural Products Processing, Sericultural & Agri-Food Research Institute Guangdong Academy of Agricultural Sciences, Guangzhou, P. R. China
| | - Ruifen Zhang
- Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs, Guangdong Key Laboratory of Agricultural Products Processing, Sericultural & Agri-Food Research Institute Guangdong Academy of Agricultural Sciences, Guangzhou, P. R. China
| | - Lei Liu
- Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs, Guangdong Key Laboratory of Agricultural Products Processing, Sericultural & Agri-Food Research Institute Guangdong Academy of Agricultural Sciences, Guangzhou, P. R. China
| | - Fei Huang
- Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs, Guangdong Key Laboratory of Agricultural Products Processing, Sericultural & Agri-Food Research Institute Guangdong Academy of Agricultural Sciences, Guangzhou, P. R. China
| | - Lixia Wang
- Tianjin Key Laboratory of Food Nutrition and Safety, College of Food Science and Technology, Tianjin University of Science and Technology, Tianjin, P. R. China
| | - Mingwei Zhang
- Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs, Guangdong Key Laboratory of Agricultural Products Processing, Sericultural & Agri-Food Research Institute Guangdong Academy of Agricultural Sciences, Guangzhou, P. R. China
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8
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Liu XY, Fu XX, Li YY, Xiong ZH, Li BT, Peng WW. The sesquiterpenes from the stem and leaf of Clausena lansium with their potential antibacterial activities. Nat Prod Res 2020; 35:4887-4893. [PMID: 32208750 DOI: 10.1080/14786419.2020.1741577] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Two new C13-norsesquiterpenes claulanterpene A (1) and B (2), together with two known sesquiterpenes (3-4), were isolated from methanol extract of the stem and leaf of Clausena lansium collected from Qingyuan county, Guangdong Province, China. Their structures were elucidated on the base of extensive spectroscopic analysis and comparison with data reported in the literature. Among them, compound 4 showed antibacterial activity against Bacillus cereus.
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Affiliation(s)
- Xin-Yuan Liu
- Jiangxi Agricultural University Hospital, Jiangxi Agricultural University, Nanchang, China
| | - Xiao-Xiang Fu
- College of Agriculture, Jiangxi Agricultural University, Nanchang, China
| | - Yu-Yan Li
- College of Agriculture, Jiangxi Agricultural University, Nanchang, China
| | - Zhong-Hua Xiong
- College of Agriculture, Jiangxi Agricultural University, Nanchang, China
| | - Bao-Tong Li
- School of Land Resources and Environment, Jiangxi Agricultural University, Nanchang, China
| | - Wen-Wen Peng
- College of Agriculture, Jiangxi Agricultural University, Nanchang, China.,Jiangxi Key Laboratory for Conservation and Utilization of Fungal Resources, Jiangxi Agricultural University, Nanchang, China
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9
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Liu YP, Yan G, Xie YT, Lin TC, Zhang W, Li J, Wu YJ, Zhou JY, Fu YH. Bioactive prenylated coumarins as potential anti-inflammatory and anti-HIV agents from Clausena lenis. Bioorg Chem 2020; 97:103699. [PMID: 32146173 DOI: 10.1016/j.bioorg.2020.103699] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 01/21/2020] [Accepted: 02/24/2020] [Indexed: 11/15/2022]
Abstract
The phytochemical study on the stems of Clausena lenis resulted in the isolation of three new prenylated coumarins, clauselenins A-C (1-3), together with nine known prenylated coumarins (4-12). The chemical structures of new prenylated coumarins (1-3) were elucidated by means of comprehensive spectral analyses and the known compounds (4-12) were determined by means of comparing their experimental spectral data with those described data in the literatures. All isolated prenylated coumarins were assessed for their anti-inflammatory effects together with anti-HIV activities in vitro. Prenylated coumarins 1-12 displayed remarkable inhibitory effects against nitric oxide (NO) production induced by lipopolysaccharide in mouse macrophage RAW 264.7 cells in vitro with the IC50 values which are comparable to hydrocortisone. Meanwhile, prenylated coumarins 1-12 exhibited considerable anti-HIV-1 reverse transcriptase (RT) activities possessing EC50 values in the range of 0.17-9.08 µM. These findings indicate that the isolation and identification of these prenylated coumarins with pronounced anti-inflammatory effects as well as anti-HIV activities separated from the stems of C. lenis could be of great significance to the development of new anti-inflammatory and anti-HIV agents and their potential applications in the pharmaceutical industry.
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Affiliation(s)
- Yan-Ping Liu
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou 571158, PR China; State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, PR China; Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou 571158, PR China
| | - Gui Yan
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou 571158, PR China; College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, PR China; Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou 571158, PR China
| | - Yu-Tong Xie
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou 571158, PR China; Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou 571158, PR China
| | - Tian-Ci Lin
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou 571158, PR China; Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou 571158, PR China
| | - Wei Zhang
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou 571158, PR China; Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou 571158, PR China
| | - Juan Li
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou 571158, PR China; Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou 571158, PR China
| | - Ying-Ju Wu
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou 571158, PR China; Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou 571158, PR China
| | - Jun-Yu Zhou
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou 571158, PR China; Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou 571158, PR China
| | - Yan-Hui Fu
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou 571158, PR China; College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, PR China; State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, PR China; Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, Hainan Normal University, Haikou 571158, PR China.
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10
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Liu YP, Guo JM, Wang XP, Liu YY, Zhang W, Wang T, Qiang L, Fu YH. Geranylated carbazole alkaloids with potential neuroprotective activities from the stems and leaves of Clausena lansium. Bioorg Chem 2019; 92:103278. [DOI: 10.1016/j.bioorg.2019.103278] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 09/07/2019] [Accepted: 09/11/2019] [Indexed: 10/26/2022]
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11
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Phytochemical Study of Stem and Leaf of Clausena lansium. Molecules 2019; 24:molecules24173124. [PMID: 31466274 PMCID: PMC6749519 DOI: 10.3390/molecules24173124] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/20/2019] [Accepted: 08/26/2019] [Indexed: 11/17/2022] Open
Abstract
Clausena lansium Lour. Skeels (Rutaceae) is widely distributed in South China and has historically been used as a traditional medicine in local healthcare systems. Although the characteristic components (carbazole alkaloids and coumarins) of C. lansium have been found to possess a wide variety of biological activities, little attention has been paid toward the other components of this plant. In the current study, phytochemical analysis of isolates from a water-soluble stem and leaf extract of C. lansium led to the identification of 12 compounds, including five aromatic glycosides, four sesquiterpene glycosides, two dihydrofuranocoumarin glycosides, and one adenosine. All compounds were isolated for the first time from the genus Clausena, including a new aromatic glycoside (1), a new dihydrofuranocoumarin glycoside (6), and two new sesquiterpene glycosides (8 and 9). The phytochemical structures of the isolates were elucidated using spectroscopic analyses including NMR and MS. The existence of these compounds demonstrates the taxonomic significance of C. lansium in the genus Clausena and suggests that some glycosides from this plant probably play a role in the anticancer activity of C. lansium to some extent.
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12
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LIU Y, MA XY, LIU LN, XIE YP, KE YJ, CAI ZJ, WU GJ. Ultrasonic-assisted extraction and functional properties of wampee seed protein. FOOD SCIENCE AND TECHNOLOGY 2019. [DOI: 10.1590/fst.03918] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
| | | | | | | | | | | | - Guo-Jie WU
- Zhongkai University of Agriculture and Engineering, China
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13
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Liu YP, Guo JM, Liu YY, Hu S, Yan G, Qiang L, Fu YH. Carbazole Alkaloids with Potential Neuroprotective Activities from the Fruits of Clausena lansium. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:5764-5771. [PMID: 31083994 DOI: 10.1021/acs.jafc.9b00961] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Clausena lansium, also known as wampee, is a species of strongly scented evergreen trees belonging to the genus Clausena (Rutaceae), which is native to southern China. Its ripe fruits have been consumed as a very popular fruit and reported to possess a range of biological activities. To study the potential health-promoting constituents from the fruits of C. lansium, a chemical investigation on its fruits was thus carried out. In this study, 16 carbazole alkaloids (1-16), including six new carbazole alkaloids, clausenalansines A-F (1-6), were separated from the fruits of C. lansium. The molecular structures of these isolated new carbazole alkaloids (1-6) were ambiguously established on the basis of comprehensive spectroscopic methods. The known analogues (7-16) were determined via comparing their experimental data with those described in the literature, which were separated from C. lansium for the first time. All these isolated alkaloids were tested in vitro for their neuroprotective effects against 6-hydroxydopamine induced cell death in human neuroblastoma SH-SY5Y cells. Carbazole alkaloids 1-16 displayed remarkable neuroprotective effects possessing the EC50 values ranging from 0.36 ± 0.02 to 10.69 ± 0.15 μM. These findings indicate that regular consumption of the fruits of C. lansium may help people prevent the occurrence of Parkinson's disease. In addition, the separation and identification of these carbazole alkaloids possessing remarkable neuroprotective effects from the fruits of C. lansium could be extremely important to the discovery of new agents for the prevention and treatment of Parkinson's disease.
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Affiliation(s)
- Yan-Ping Liu
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education , Hainan Normal University , Haikou 571158 , P. R. China
- State Key Laboratory of Natural Medicines , China Pharmaceutical University , Nanjing 210009 , P. R. China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province , Hainan Normal University , Haikou 571158 , P. R. China
| | - Jia-Ming Guo
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education , Hainan Normal University , Haikou 571158 , P. R. China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province , Hainan Normal University , Haikou 571158 , P. R. China
| | - Yun-Yao Liu
- State Key Laboratory of Natural Medicines , China Pharmaceutical University , Nanjing 210009 , P. R. China
| | - Shi Hu
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education , Hainan Normal University , Haikou 571158 , P. R. China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province , Hainan Normal University , Haikou 571158 , P. R. China
| | - Gui Yan
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education , Hainan Normal University , Haikou 571158 , P. R. China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province , Hainan Normal University , Haikou 571158 , P. R. China
| | - Lei Qiang
- State Key Laboratory of Natural Medicines , China Pharmaceutical University , Nanjing 210009 , P. R. China
| | - Yan-Hui Fu
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education , Hainan Normal University , Haikou 571158 , P. R. China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province , Hainan Normal University , Haikou 571158 , P. R. China
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14
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Ye Y, Chang X, Brennan MA, Brennan CS, Guo X. Comparison of phytochemical profiles, cellular antioxidant and anti‐proliferative activities in five varieties of wampee (
Clausena lansium
) fruits. Int J Food Sci Technol 2019. [DOI: 10.1111/ijfs.14205] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yutong Ye
- School of Food Science and Engineering South China University of Technology Guangzhou 510640 China
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center) Guangzhou 510640 China
| | - Xiaoxiao Chang
- Institute of Fruit Tree Research Guangdong Academy of Agricultural Sciences Guangzhou 510640 China
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization (MOA) Guangzhou 510640 China
- Guangdong Province Key Laboratory of Tropical and Subtropical Fruit Tree Research Guangzhou 510640 China
| | - Margaret Anne Brennan
- Department of Wine, Food Molecular Biosciences Lincoln University Lincoln 7647 New Zealand
| | | | - Xinbo Guo
- School of Food Science and Engineering South China University of Technology Guangzhou 510640 China
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center) Guangzhou 510640 China
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Siew YY, Yew HC, Neo SY, Seow SV, Lew SM, Lim SW, Lim CSES, Ng YC, Seetoh WG, Ali A, Tan CH, Koh HL. Evaluation of anti-proliferative activity of medicinal plants used in Asian Traditional Medicine to treat cancer. JOURNAL OF ETHNOPHARMACOLOGY 2019; 235:75-87. [PMID: 30599223 DOI: 10.1016/j.jep.2018.12.040] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Revised: 12/24/2018] [Accepted: 12/24/2018] [Indexed: 06/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The extensive biodiversity of plants in Southeast Asia and inadequate research hitherto warrant a continued investigation into medicinal plants. On the basis of a careful review of fresh medicinal plant usage to treat cancer from previous ethnobotanical interviews in Singapore and from the traditional uses of the indigenous plants, fresh leaves of seven locally grown medicinal plant species were evaluated for anti-proliferative activity. AIM OF THE STUDY To evaluate the anti-proliferative activity of local medicinal plant species Clausena lansium Skeels, Clinacanthus nutans (Burm. f.) Lindau, Leea indica (Burm. f.) Merr., Pereskia bleo (Kunth) DC., Strobilanthes crispus (L.) Blume, Vernonia amygdalina Delile and Vitex trifolia L. MATERIALS AND METHOD Fresh, healthy and mature leaves of the seven medicinal plants were harvested from various locations in Singapore and Malaysia for Soxhlet, ultrasonication and maceration extractions in three different solvents (water, ethanol and methanol). Cell proliferation assay using water soluble tetrazolium salt (WST-1) assay was performed on twelve human cancer cell lines derived from breast (MDA-MB-231, T47D), cervical (C33A), colon (HCT116), leukemia (U937), liver (HepG2, SNU-182, SNU-449), ovarian (OVCAR-5, PA-1, SK-OV-3) and uterine (MES-SA/DX5) cancer. RESULTS A total of 37 fresh leaf extracts from seven medicinal plants were evaluated for their anti-tumour activities in twelve human cancer cell lines. Of these, the extracts of C. lansium, L. indica, P. bleo, S. crispus, V. amygdalina and V. trifolia exhibited promising anti-proliferative activity against multiple cancer cell lines. Further investigation of selected promising leaf extracts indicated that maceration methanolic extract of L. indica was most effective overall against majority of the cancer cell lines, with best IC50 values of 31.5 ± 11.4 µg/mL, 37.5 ± 0.7 µg/mL and 43.0 ± 6.2 µg/mL in cervical C33A, liver SNU-449, and ovarian PA-1 cancer cell lines, respectively. CONCLUSION The results of this study provide new scientific evidence for the traditional use of local medicinal plant species C. lansium, L . indica, P. bleo, S. crispus, V. amygdalina and V. trifolia in cancer treatment. These results highlight the importance of the upkeep of these indigenous plants in modern society and their relevance as resources for drug discovery.
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Affiliation(s)
- Yin-Yin Siew
- Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Singapore 117543, Singapore.
| | - Hui-Chuing Yew
- Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Singapore 117543, Singapore.
| | - Soek-Ying Neo
- Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Singapore 117543, Singapore.
| | - See-Voon Seow
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore; Affiliated National University Cancer Institute, National University Health System, Singapore 119074, Singapore.
| | - Si-Min Lew
- Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Singapore 117543, Singapore.
| | - Shun-Wei Lim
- Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Singapore 117543, Singapore.
| | - Claire Sophie En-Shen Lim
- Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Singapore 117543, Singapore.
| | - Yi-Cheng Ng
- Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Singapore 117543, Singapore.
| | - Wei-Guang Seetoh
- Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Singapore 117543, Singapore.
| | - Azhar Ali
- Cancer Science Institute of Singapore, 14 Medical Drive, Singapore 117599, Singapore.
| | - Chay-Hoon Tan
- Department of Pharmacology, Yong Loo Lin School of Medicine, 16 Medical Drive, Block MD3, #04-01S, Singapore 117600, Singapore.
| | - Hwee-Ling Koh
- Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Singapore 117543, Singapore.
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A review on nuclear overhauser enhancement (NOE) and rotating-frame overhauser effect (ROE) NMR techniques in food science: Basic principles and applications. Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2019.02.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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17
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Essential Oils from Clausena Species in China: Santalene Sesquiterpenes Resource and Toxicity against Liposcelis bostrychophila. J CHEM-NY 2018. [DOI: 10.1155/2018/7813675] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
To develop natural product resources from the Clausena genus (Rutaceae), the essential oils (EOs) from four Clausena plants (Clausena excavata, C. lansium, C. emarginata, and C. dunniana) were analyzed by GC-MS. Their lethal (contact toxicity) and sublethal effects (repellency) against Liposcelis bostrychophila (LB) adults were also evaluated. Santalene sesquiterpene was the precursor substance of santalol, a valuable perfumery. It was found that plenty of α-santalol (31.7%) and α-santalane (19.5%) contained in C. lansium from Guangxi Province and α-santalene (1.5%) existed in C. emarginata. Contact toxicity of the four EOs was observed, especially C. dunniana (LD50 = 37.26 µg/cm2). Santalol (LD50 = 30.26 µg/cm2) and estragole (LD50 = 30.22 µg/cm2) were the two most toxic compounds. In repellency assays, C. excavate, C. lansium, and C. emarginata exhibited repellent effect at the dose of 63.17 nL/cm2 2 h after exposure (percentage repellencies were 100%, 98%, and 96%, respectively). Four Clausena EOs and santalol had an excellent potential for application in the management of LB. Clausena plants could be further developed to find more resources of natural products.
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Liu J, Li CJ, Du YQ, Li L, Sun H, Chen NH, Zhang DM. Bioactive Compounds from the Stems of Clausena lansium. Molecules 2017; 22:E2226. [PMID: 29240703 PMCID: PMC6149816 DOI: 10.3390/molecules22122226] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Revised: 12/09/2017] [Accepted: 12/11/2017] [Indexed: 11/17/2022] Open
Abstract
In view of the significant neuroprotective effect of Clausena lansium, we continued to separate the n-butanol and the water extracts from the stems of C. lansium in order to find the leading compounds with significant activity. Two new phenolic glycosides, Clausenolside A-B (1-2), one new pair of phenolic enantiomers (3a, 3b), and two new monoterpenoids, clausenapene A-B (4-5), together with twelve known analogues (6-17) were isolated from the stems of C. lansium. Compounds 1-17 were obtained from C. lansium for the first time. Compounds 3a, 3b, 4, 16, and 17 showed strong or moderate potential neuroprotective effects on inhibited PC12 cell injury induced by okadaic acid, and compound 9 exhibited strong potential hepatoprotective activities. Their structures were elucidated on the basis of spectroscopic analyses, including UV, IR, NMR experiments, and electronic circular dichroism (ECD) spectra.
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Affiliation(s)
- Jie Liu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China.
| | - Chuang-Jun Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
| | - Yi-Qian Du
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
| | - Li Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
| | - Hua Sun
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
| | - Nai-Hong Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
| | - Dong-Ming Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
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Wang YS, Li BT, Liu SX, Wen ZQ, Yang JH, Zhang HB, Hao XJ. Anisucoumaramide, a Bioactive Coumarin from Clausena anisum-olens. JOURNAL OF NATURAL PRODUCTS 2017; 80:798-804. [PMID: 28368606 DOI: 10.1021/acs.jnatprod.6b00391] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A new coumarin, anisucoumaramide (1), and a new δ-truxinate derivative, anisumic acid (2), were isolated from Clausena anisum-olens. Their structures were elucidated from extensive NMR and MS data. The absolute configurations of the coumarins were assigned using the experimental and calculated electronic circular dichroism data. Anisucoumaramide (1) represents the first example of a naturally occurring coumarin of which the terpenoidal side chain does not comply with the biosynthesis isoprene rule due to the presence of an unprecedented acetamido motif directly connected with the terpenoidal side chain. The δ-truxinate derivative was isolated from Clausena species for the first time. Compound 1 showed high selectivity for the MAO-B isoenzyme and inhibitory activity in the nanomolar range. Putative biosynthesis pathways toward 1 and 2 are proposed.
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Affiliation(s)
- Yun-Song Wang
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University , Kunming 650091, People's Republic of China
| | - Bi-Tao Li
- First Affiliated Hospital of Kunming Medical University , Kunming 650031, People's Republic of China
| | - Shi-Xi Liu
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University , Kunming 650091, People's Republic of China
| | - Zheng-Qi Wen
- First Affiliated Hospital of Kunming Medical University , Kunming 650031, People's Republic of China
| | - Jing-Hua Yang
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University , Kunming 650091, People's Republic of China
| | - Hong-Bin Zhang
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University , Kunming 650091, People's Republic of China
| | - Xiao-Jiang Hao
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences , 132 Lanhei Road, Kunming 650201, People's Republic of China
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20
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Sarker SD, Nahar L. Progress in the Chemistry of Naturally Occurring Coumarins. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2017; 106:241-304. [PMID: 28762091 DOI: 10.1007/978-3-319-59542-9_3] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Coumarins are the largest group of 1-benzopyran derivatives found in plants. The initial member of this group of compounds, coumarin (2H-1-benzopyran-2-one), a fragrant colorless compound, was first isolated from the Tonka bean (Dipteryx odorata, family Fabaceae) in 1820. The name coumarin comes from a French term for the tonka bean, coumarou. Since the discovery of coumarin, several of its derivatives, with umbelliferone (7-hydroxycoumarin) being the most common one, have been reported from various natural sources. The families Apiaceae, Asteraceae, and Rutaceae are the three major plant sources of coumarins.Generally, these plant secondary metabolites may be classified into simple, simple prenylated, simple geranylated, furano, pyrano, sesquiterpenyl and oligomeric coumarins. Using this standard classification, this chapter aims to present an account on the advances of the chemistry of naturally occurring coumarins, as reported in the literature during the period 2013-2015.In Sect. 1, the coumarins are introduced and their generic biosynthetic route discussed briefly. In Sect. 2, the largest of the three sections, various classes of natural coumarins are detailed, with their relevant structures and the citation of appropriate references. In a concluding section, it is highlighted that during the last 3 years, more than 400 coumarins have been reported in the literature. Many of these coumarins have been re-isolations of known compounds from known or new sources, most often associated with various biological activities. However, a substantial number of coumarins bearing new skeletons, especially dimers, prenylated furanocoumarins, sesquiterpenyl, and some unusual coumarins were also reported during the period of 2013-2015.Coumarin chemistry remains one of the major interest areas of phytochemists, especially because of their structural diversity and medicinal properties, along with the wide-ranging bioactivities of these compounds, inclusive of analgesic, anticoagulant anti-HIV, anti-inflammatory, antimicrobial, antineoplastic, antioxidant, and immunomodulatory effects. Despite significant advancements in the extraction, isolation, structure elucidation and bioactivity testing of naturally occurring coumarins, only a marginal advancement has been observed recently in relation to the study of their biosynthesis.
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Affiliation(s)
- Satyajit D Sarker
- Medicinal Chemistry and Natural Products Research Group, School of Pharmacy and Biomolecular Sciences, Faculty of Science, Liverpool John Moores University, Byrom Street, Liverpool, L3 3AF, UK.
| | - Lutfun Nahar
- Medicinal Chemistry and Natural Products Research Group, School of Pharmacy and Biomolecular Sciences, Faculty of Science, Liverpool John Moores University, Byrom Street, Liverpool, L3 3AF, UK
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Chand K, Rajeshwari, Hiremathad A, Singh M, Santos MA, Keri RS. A review on antioxidant potential of bioactive heterocycle benzofuran: Natural and synthetic derivatives. Pharmacol Rep 2016; 69:281-295. [PMID: 28171830 DOI: 10.1016/j.pharep.2016.11.007] [Citation(s) in RCA: 113] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Accepted: 11/10/2016] [Indexed: 12/19/2022]
Abstract
The majority of heterocycle compounds and typically common heterocycle fragments present in most pharmaceuticals currently marketed, alongside with their intrinsic versatility and unique physicochemical properties, have poised them as true cornerstones of medicinal chemistry. In this context, oxygen heterocycles exhibit diverse biological and pharmacological activities due in part to the similarities with many natural and synthetic molecules with known biological activity. Among oxygen containing heterocycles, benzofuran (synthetic and natural isolated) and its derivatives have attracted medicinal chemists and pharmacologists due to their pronounced biological activities and their potential applications as pharmacological agents such as antioxidant, antitumor, antiplatelet, antimalarial, antiinflammatory, antidepressant and anticonvulsant properties. There are also an amazing number of approved benzofuran-containing drugs in the market as well as compounds currently going through different clinical phases or registration statuses. Due to the wide range of biological activities of benzofurans, their structure activity relationships have generated interest among medicinal chemists, and this has culminated in the discovery of several lead molecules in numerous disease conditions. Recently, this scaffold has emerged as a pharmacophore of choice for designing antioxidant drug development as their derivatives have shown excellent results through different mechanism of action. This review focused on the recent development of benzofuran derivatives as antioxidant agents (including natural products) and their antioxidant activities; summarize the structure property, hoping to inspire new and even more creative approaches. Also, this study systematically provides a comprehensive report on current developments in benzofuran-based compounds as antioxidant agents and is also helpful for the researchers working on a substitution pattern around the nucleus, with an aim to help medicinal chemists to develop structure activity relationships (SAR) on these derivatives as antioxidant drugs.
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Affiliation(s)
- Karam Chand
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal.
| | - Rajeshwari
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - Asha Hiremathad
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal; Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Bangalore, Karnataka, India
| | - Mahak Singh
- Gennova Biopharmaceuticals Limited, Vaccine Formulation and Research Centre, Hinjwadi, Pune, India
| | - M Amelia Santos
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - Rangappa S Keri
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal; Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Bangalore, Karnataka, India.
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Phenolics from strawberry cv. Falandi and their antioxidant and α-glucosidase inhibitory activities. Food Chem 2016; 194:857-63. [DOI: 10.1016/j.foodchem.2015.08.091] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Revised: 08/19/2015] [Accepted: 08/21/2015] [Indexed: 12/21/2022]
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Norsesquiterpenoids and triterpenoids from strawberry cv. Falandi. Food Chem 2016; 203:67-72. [PMID: 26948590 DOI: 10.1016/j.foodchem.2016.02.036] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 02/02/2016] [Accepted: 02/04/2016] [Indexed: 12/25/2022]
Abstract
Falandi is a common strawberry (Fragaria × ananassa Duch.) cultivar in southern China. Further study of the chemical constituents in Falandi fruit led to the isolation of nine norsesquiterpenoids and three triterpenoids. Falandioside D (1) and falandins A (2) and B (3) were new norsesquiterpenoids, and the others excluding tormentic acid (11) were found in strawberry for the first time. Compounds 1 and 11 exhibited potent α-glucosidase inhibitory activity with the half maximal inhibitory concentration (IC50) values of 565.0 and 27.4 μM in comparison to acarbose (619.9 μM). Compounds 3, 7 (blumenol C glucoside), and 11 showed cytotoxicity against human nasopharyngeal carcinoma cell line CNE1 with the IC50 values of 57.6, 56.4, and 36.0 μM, respectively. Among new compounds, 1 showed 2,2'-azinobis(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS) radical cation scavenging capacity (IC50=36.2 μM). These results suggested that non-phenolic constituents were also involved in the antidiabetic, antitumour, and antioxidant effects of strawberry fruit.
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Yang D, Jia X, Xie H, Wei X. Further dihydrochalcone C-glycosides from the fruit of Averrhoa carambola. Lebensm Wiss Technol 2016. [DOI: 10.1016/j.lwt.2015.08.061] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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