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Determination of Bioactive Compounds and Antioxidant Activity of Yam (Dioscorea batatas DECNE.) on Thermal Treatment KCI 등재

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한국응용과학기술학회지 (The Korean Society of Applied Science and Technology)
한국응용과학기술학회(구 한국유화학회) (The Korean Society of Applied Science and Technology (KSAST))
초록

To better investigate the antioxidative property of thermal treatment yam (Dioscorea batatas DECNE.) in Korea, some established methods were used. 70% Methanol, 70% ethanol and chloroform–methanol (CM, 2:1, v/v) extracts were collected. 70% Methanol extract exhibited stronger antioxidative activity evaluated by ferrous ion chelating activity, NO radical scavenging activity and β-carotene bleaching assays. On the contrary, CM extract was the most effective in inhibiting linoleic acid peroxidation. Yam available in Korea was also analyzed for its bioactive compounds such as lycopene, chlorophyll a, b, tannin, phytic acid and total saponin contents. Total saponin was abundant in thermal treatment, which determined to be 42.52±1.88 mg/g. Based on the results obtained from this study, thermal treatment yam could be used as natural antioxidant source due to its high antioxidant activity and bioactive compound contents.

저자
  • Yishan Duan(Department of Food Science and Technology, Pusan National University)
  • Gyeong-Hwuii Kim(Department of Biomaterials Science and Engineering, Yonsei University)
  • Han-Soo Kim(Department of Food Science and Technology, Pusan National University) Corresponding author