Antioxidant activity of extracts from the aril of Torreya fargesii Franch. And its protection on the oxidation of DHA algal oil
2018
Xianrong Zhou | Jin Shang | Jianhua Wang | Bo Jiang | Qing Wang
The hydrosoluble extract from a processing waste, aril of Torreya fargesii Franch. (abbr.as Torreya F), was investigated for its antioxidative properties and resulting protective effect on the oxidation of DHA (docosahexaenoic acid) algal oil. The aril extract of Torreya F contained about 125.2 mg GAE/g dry extract total polyphenols and 18.5 mg RT/g dry extract total flavonoids. The scavenging ability on the DPPH (1,1-diphenyl −2-picrylhydrazyl), hydroxyl and superoxide anion radicals of aril extract of Torreya F was stronger than that of commercial ascorbyl palmitate. With the addition of Torreya F aril extract, the increasing peroxide value and acid value of DHA algal oil was inhibited both in the long-term storage test and the accelerating Schaal test.
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