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논문 기본 정보

자료유형
학술저널
저자정보
(Hankyong National University) (Hankyong National University)
저널정보
한국식품영양과학회 Preventive Nutrition and Food Science Preventive Nutrition and Food Science Vol.19 No.3
발행연도
수록면
204 - 212 (9page)

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초록· 키워드

The bioactive compounds and antioxidant activity of aronia leaves at different stages of maturity were identified and evaluated. Young and old leaves were approximately 2 months of age and 4 months of age, respectively. The young leaves contained more polyphenols and flavonoids than the old leaves. Three phenolic compounds (i.e., chlorogenic acid, p-coumaric acid, and rutin) were detected by HPLC. Antioxidant activity was measured using 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical, 2,2´-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) radical, and superoxide anion radical scavenging assays. The reducing power of aronia leaf extracts increased in a concentration-dependent manner (0∼100 μg/mL). The antioxidant activity of the 80% ethanol extract was greater than that of distilled water extract. The high phenolic compound content indicated that these compounds contribute to antioxidant activity. The overall results indicate that aronia leaves contain bioactive compounds, and that younger aronia leaves may be more favorable for extracting antioxidative ingredients because they contain more polyphenols.
#aronia leaves #phenolic #flavonoids #carotenoids #antioxidant activity
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목차

  1. ABSTRACT
  2. INTRODUCTION
  3. MATERIALS AND METHODS
  4. RESULTS AND DISCUSSION
  5. REFERENCES

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UCI(KEPA) : I410-ECN-0101-2015-510-002746418