Antioxidant ability of Chenopodium formosanum extracted using an ethanol–ammonium sulfate two-phase system,Chemical and Biological Technologies in Agriculture

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Antioxidant ability of Chenopodium formosanum extracted using an ethanol–ammonium sulfate two-phase system
Chemical and Biological Technologies in Agriculture ( IF 5.2 ) Pub Date : 2022-01-15 , DOI: 10.1186/s40538-022-00283-6
Wei-Hsun Wang , Wei-Lin Li , Cheng-You Chen , Min-Yun Chang , Shu-Ling Huang , Chia-Hung Shih , Yung-Sheng Lin

Chenopodium formosanum (CF) provides the human body with numerous nutritional components. This study used the two-phase system to identify an efficient method to obtain CF extracts. CF extraction was performed using an ethanol–ammonium sulfate two-phase system. The efficacy of different CF extracts with five types of antioxidant ability was tested and compared with traditional aqueous and alcohol extractions. The results showed that a separated top of the two-phase system extract had higher total phenol content (120.35 ± 5.80 mg gallic acid equivalent/g dry extract), total flavonoid content (447.06 ± 16.57 mg quercetin equivalent/g dry extract) and reducing ability (284.48 ± 4.60 mg vitamin C equivalent/g dry extract) than those of other extracts. Furthermore, the separated top of the two-phase system extract and the top of the two-phase system extract had higher 1,1-diphenyl-2-picrylhydrazyl free radical scavenging ability and 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) free radical scavenging ability than those of the water extract, alcohol extract, bottom of two-phase system extract, and separated bottom of two-phase system extract. The results indicate that CF has great potential for use in natural plant health supplements and skin care products and that the two-phase extraction system can yield an effective CF extract.

更新日期：2022-01-16

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