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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2009.12
- 수록면
- 335 - 342 (8page)
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초록· 키워드
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This study was investigated to evaluate the contents of polyphenols and flavonoids, and physiological activities of various extracts from Calystegia japonica roots for making good use of their functional materials. The roots of C. japonica were extracted with water (WE), ethanol (EE) and hot water (HWE) by different methods. Among these extracts, the highest extracting yield was 30.30% of HWE, while the highest contents of total polyphenols and flavonoids were 40.85% and 6.40% of WE, respectively. The nitrite scavenging abilities were ranged from 31.31% (HWE) to 37.46% (EE) at pH 1.2 and 1.0 ㎎/㎖ concentration. In the measurements of electron donating abilities, EE showed the highest effect as 91.83% at 0.3 ㎎/㎖ assay concentration, and the electron donating ability was decreased as the extract concentration was increased. In the results of superoxide dismutase (SOD)-like activity, HWE showed the highest effect as 7.15% at 1.0 ㎎/㎖. The tyrosinase inhibition activities of WE and EE were 15.28% and 14.97%, respectively. The xanthine oxidase inhibitory effects were ranged from 97.50 to 99.28% at 1.0 ㎎/㎖. These results indicate that C. japonica extract has a good antioxidant effects and could be useful for developing functional products.
목차
서론
재료 및 방법
결과
고찰
감사의 글
REFERENCES
참고문헌 (33)
참고문헌 신청
1. [단행본] - AOAC / 2005 / Official method of analysis. 18th ed. / Association of official analytical chemists : 21 ~ 22
2. [학술지(정기간행물)] - Aruoma OI / 1994 / Nutrition and health aspects of free radicals and antioxidants / Food Chem Toxicol 32 : 671 ~ 683
3. [학술지(정기간행물)] - Bell AA / 1986 / Biosynthesis and melanin / Ann Rev Phytophathol 24 : 411 ~ 451
4. [학술지(정기간행물)] - Blois MS / 1958 / Antioxidant determination by the use of a stable free radical / Nature 181 : 1199 ~ 1200
5. [학술지(정기간행물)] - Branen AL / 1975 / Toxicological and biochemistry of butylated hydroxyanisole and butylated hydroxytoluene / J Am Oil Chem Soc 52 : 59 ~ 63
2. [학술지(정기간행물)] - Aruoma OI / 1994 / Nutrition and health aspects of free radicals and antioxidants / Food Chem Toxicol 32 : 671 ~ 683
3. [학술지(정기간행물)] - Bell AA / 1986 / Biosynthesis and melanin / Ann Rev Phytophathol 24 : 411 ~ 451
4. [학술지(정기간행물)] - Blois MS / 1958 / Antioxidant determination by the use of a stable free radical / Nature 181 : 1199 ~ 1200
5. [학술지(정기간행물)] - Branen AL / 1975 / Toxicological and biochemistry of butylated hydroxyanisole and butylated hydroxytoluene / J Am Oil Chem Soc 52 : 59 ~ 63
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UCI(KEPA) : I410-ECN-0101-2010-510-001689989