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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
Source PublicationFOOD CHEMISTRY
ISSN0308-8146
Volume138Issue:2-3Pages:1333-1340
AbstractStaghorn 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.
KeywordSumac Rhus Hirta Antioxidants Phytochemical Polyphenols Anthocyanin
Subject AreaChemistry ; Food Science & Technology ; Nutrition & Dietetics
DOI10.1016/j.foodchem.2012.10.086
Indexed BySCI
WOS IDWOS:000316039500084
Citation statistics
Cited Times:23[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/2660
Collection资源化学研究室
AffiliationAgr & 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
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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