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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
英文摘要: 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.
WOS记录号: WOS:000316039500084
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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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