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学科主题: Chemistry ; Food Science & Technology ; Nutrition & Dietetics
题名: Evaluation of antioxidant activities and chemical characterisation of staghorn sumac fruit (Rhus hirta L.)
作者: Wu Tao; McCallum Jason L.; Wang Sunan; Liu Ronghua; Zhu Honghui; Tsao Rong
关键词: Sumac ; Rhus hirta ; Antioxidants ; Phytochemical ; Polyphenols ; Anthocyanin
刊名: FOOD CHEMISTRY
发表日期: 2013
DOI: 10.1016/j.foodchem.2012.10.086
卷: 138, 期:2-3, 页:1333-1340
收录类别: SCI
资助者: A-Base research of Agriculture 82 Agri-Food Canada (AAFC) RBPI 109
摘要: Staghorn sumac (Rhus hirta L) is a native tree in Eastern Canada whose fruit has been used by aboriginal peoples to treat various illnesses, and has recently been found to be a good source of antioxidants. However, the phytochemical composition of R. hirta is not known. In this study, we used Four highly accepted assays and confirmed its FRAP, ORAC, beta-CLAMS and PCL values to be 79.95 mu mol AAE/g DW, 1544 mu mol TE/g DW, RAA 129% and 4513 mu mol TE/g DW, respectively. The antioxidant activities correlated positively to the total polyphenols content, which was higher in the ethanolic extract (81.6 mg GAE/ g DW) compared to the water extract (46.3 mg GAE/g DW), suggesting polyphenols play an important role. Quantitative data from UHPLC and qualitative studies using HPLC-DAD-MS showed that in addition to commonly found phenolic acids, flavonoids and anthocyanins, R. hirta fruit contained a novel group of unique anthocyanins with aglycones (anthocyanidins) at 449, 419 and 433 Da. Further studies on the identification and their health beneficial effects are being conducted. Crown Copyright (C) 2012 Published by Elsevier Ltd. All rights reserved.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/2660
Appears in Collections:资源化学研究室_期刊论文

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作者单位: Agr & Agri Food Canada, Guelph Food Res Ctr, Guelph, ON N1G 5C9, Canada;Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China;Agr & Agri Food Canada, Crops & Livestock Res Ctr, Charlottetown, PE C1A 4P3, Canada

Recommended Citation:
Wu Tao,McCallum Jason L.,Wang Sunan,et al. Evaluation of antioxidant activities and chemical characterisation of staghorn sumac fruit (Rhus hirta L.)[J]. FOOD CHEMISTRY,2013,138(2-3):1333-1340.
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