Phenolic antioxidants from Chinese toon (fresh young leaves and shoots of Toona sinensis)
Wang, Kai-Jin; Yang, Chong-Ren; Zhang, Ying-Jun
2007
Source PublicationFOOD CHEMISTRY
ISSN0308-8146
Volume101Issue:1Pages:365-371
AbstractChinese toon (the fresh young leaves and shoots of Toona sinensis), known as a tree vegetable, belongs to the family of Meliaceae. It is one of the most popular vegetables in China. The 80% acetone extract of Chinese toon exhibited considerable antioxidant activity in the 1,1-diphenyl-2-picryldydrazyl (DPPH) radical-scavenging assay. Bioassay-guided purification of the extract led to the isolation of 12 phenolic compounds (1-12), whose structures were determined by detailed spectroscopic analyses, including UV, IR, NIS, 1D and 2D NMR techniques. Of them, compounds 3-8 and 11 were isolated from T. sinensis for the first time. All of the isolated compounds were examined for their antioxidant activities by the DPPH method, and the results showed that gallic acid and its derivatives, gallotannins and flavonoids were the main constituents contributing to the antioxidant activity of Chinese toon. From the health point of view, Chinese toon is an ideal dietary vegetable with natural antioxidants. (c) 2006 Elsevier Ltd. All rights reserved.
KeywordChinese Toon Toona Sinensis Dpph Radical-scavenging Activity Phenolic Constituents
Subject AreaChemistry ; Applied ; Food Science & Technology ; Nutrition & Dietetics
DOI10.1016/j.foodchem.2006.01.044
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Food Science & Technology ; Nutrition & Dietetics
WOS SubjectChemistry, Applied ; Food Science & Technology ; Nutrition & Dietetics
WOS IDWOS:000242139900051
Citation statistics
Cited Times:99[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/2145
Collection植物化学与西部植物资源持续利用国家重点实验室
AffiliationChinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650204, Peoples R China
Recommended Citation
GB/T 7714
Wang, Kai-Jin,Yang, Chong-Ren,Zhang, Ying-Jun. Phenolic antioxidants from Chinese toon (fresh young leaves and shoots of Toona sinensis)[J]. FOOD CHEMISTRY,2007,101(1):365-371.
APA Wang, Kai-Jin,Yang, Chong-Ren,&Zhang, Ying-Jun.(2007).Phenolic antioxidants from Chinese toon (fresh young leaves and shoots of Toona sinensis).FOOD CHEMISTRY,101(1),365-371.
MLA Wang, Kai-Jin,et al."Phenolic antioxidants from Chinese toon (fresh young leaves and shoots of Toona sinensis)".FOOD CHEMISTRY 101.1(2007):365-371.
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