title: Polyphenol profile and antioxidant activity of the fruit and leaf of Vaccinium glaucoalbum from the Tibetan Himalayas.
abstract: Vaccinium glaucoalbum, a perennial evergreen shrub, is naturally distributed in high-altitude areas. In this study, the composition and content of polyphenolic compounds in the fruit and leaf of V. glaucoalbum were characterized. In total, 24 chemical compounds were detected and identified by HPLC-DAD and HPLC-ESI-MS2. Among all the compounds determined, 15 were anthocyanins and detected in fruit, 5 were flavonols and monitored in leaf, and 4 were chlorogenic acids and found in both fruit and leaf. The total anthocyanin content (TAC) of fruit (682mg/100gFW) was the highest among wild Vaccinium berries in China which have been investigated for now, and the total flavonol content of leaf was 2764mg/100gFW. The antioxidant activity of both fruit and leaf was assessed by DPPH and FRAP assays. Given its high TAC and strong antioxidant activity, the fruit of V. glaucoalbum has great potential in functional food.
authors.affiliation: Key Laboratory of Plant Resources and Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China; University of Chinese Academy of Sciences, Beijing 100049, China.
authors.forename: Cheng-Yong
authors.initials: CY
authors.lastname: Feng
authors.affiliation: Key Laboratory of Plant Resources and Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China; University of Chinese Academy of Sciences, Beijing 100049, China.
authors.forename: Wei-Wei
authors.initials: WW
authors.lastname: Wang
authors.affiliation: State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China; University of Chinese Academy of Sciences, Beijing 100049, China.
authors.forename: Jian-Fei
authors.initials: JF
authors.lastname: Ye
authors.affiliation: Key Laboratory of Plant Resources and Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China. Electronic address: shshli@ibcas.ac.cn.
authors.forename: Shan-Shan
authors.initials: SS
authors.lastname: Li
authors.affiliation: Key Laboratory of Plant Resources and Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China; University of Chinese Academy of Sciences, Beijing 100049, China.
authors.forename: Qian
authors.initials: Q
authors.lastname: Wu
authors.affiliation: Key Laboratory of Plant Resources and Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China; University of Chinese Academy of Sciences, Beijing 100049, China.
authors.forename: Dan-Dan
authors.initials: DD
authors.lastname: Yin
authors.affiliation: Key Laboratory of Plant Resources and Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China; College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China.
authors.forename: Bing
authors.initials: B
authors.lastname: Li
authors.affiliation: College of Science, China Agricultural University, Beijing 100094, China.
authors.forename: Yan-Jun
authors.initials: YJ
authors.lastname: Xu
authors.affiliation: Key Laboratory of Plant Resources and Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China. Electronic address: wanglsh@ibcas.ac.cn.
authors.forename: Liang-Sheng
authors.initials: LS
authors.lastname: Wang
mesh_terms: D000872:Anthocyanins / Q000378:metabolism; D000975:Antioxidants / Q000378:metabolism*; D002681:China; D002851:Chromatography, High Pressure Liquid; D044948:Flavonols / Q000378:metabolism; D005638:Fruit / Q000378:metabolism*; D013058:Mass Spectrometry; D010936:Plant Extracts / Q000378:metabolism*; D018515:Plant Leaves / Q000378:metabolism*; D059808:Polyphenols / Q000378:metabolism*; D029796:Vaccinium / Q000378:metabolism*
chemical_list: D000872:Anthocyanins; D000975:Antioxidants; D044948:Flavonols; D010936:Plant Extracts; D059808:Polyphenols
keywords: Antioxidant activity; HPLC; High altitude; Himalayas; Polyphenol; Vaccinium glaucoalbum