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Evaluation of antioxidant activities and chemical characterisation of staghorn sumac fruit (Rhus hirta L.)
Wu Tao; McCallum Jason L.; Wang Sunan; Liu Ronghua; Zhu Honghui; Tsao Rong
2013
发表期刊FOOD CHEMISTRY
ISSN0308-8146
卷号138期号:2-3页码:1333-1340
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.
关键词Sumac Rhus Hirta Antioxidants Phytochemical Polyphenols Anthocyanin
学科领域Chemistry ; Food Science & Technology ; Nutrition & Dietetics
DOI10.1016/j.foodchem.2012.10.086
收录类别SCI
WOS记录号WOS:000316039500084
引用统计
被引频次:22[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/2660
专题资源化学研究室
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
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GB/T 7714
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.
APA Wu Tao,McCallum Jason L.,Wang Sunan,Liu Ronghua,Zhu Honghui,&Tsao Rong.(2013).Evaluation of antioxidant activities and chemical characterisation of staghorn sumac fruit (Rhus hirta L.).FOOD CHEMISTRY,138(2-3),1333-1340.
MLA Wu Tao,et al."Evaluation of antioxidant activities and chemical characterisation of staghorn sumac fruit (Rhus hirta L.)".FOOD CHEMISTRY 138.2-3(2013):1333-1340.
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