지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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To obtain the information on various physiological activities in Camellia sinensis L., we investigated antioxidant, antimicrobial and anticancer activities using methanol extracts of leaf, stem, ovary, seed and flower. Total phenolic compound and flavonoid contents were the highest in leaf and followed by stem, flower, ovary, and seed. As RC50 value, that was, the concentration of sample required for 50% reduction of 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical, was 2.5-5.4 μg/mL in leaf, stem, ovary and flower. C. sinensis had antimicrobial activities against six strains such as Bacillus subtilis, Bacillus cereus, Staphylococcus aureus, Citrobacter freundii, Candida albicans,and Saccharomyces cerevisiae by different harvesting parts. Especially, flower had a very high antimicrobial activity against S. aureus. All harvesting parts of C. sinensis had anticancer activities with high growth inhibition rates of AGS (stomach cancer cell), HELA (cervix cancer cell), HT-29 (colon cancer cell), and MCF-7 (breast cancer cell).
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참고문헌 (25)
참고문헌 신청
Moon JH / 1995 / Functional components and physiological activity of tea / J. Kor. Tea Soc. 1(1):175~191
Graham HN / 1992 / Green tea composition, consumption, and polyphenol chemisty / Prev. Med. 21(3):334~350
Lee VSY / 2008 / Structural determination and DPPH radical-scavenging activity of two acylated flavonoid tetraglycosides in oolong tea (Camellia sinensis) / Chem. Pharm. Bull. 56(6):851~853
Park YH / 2002 / Effect of pH on the stability of green tea catechins / J. Food. Hyg. Safety 17(3):117~123
Muramatsu K / 1986 / Effect of green tea catechins on plasma cholesterol level in cholesterol-fed rats / J. Nutr. Sci. Vitaminol. 32(6):613~622
Graham HN / 1992 / Green tea composition, consumption, and polyphenol chemisty / Prev. Med. 21(3):334~350
Lee VSY / 2008 / Structural determination and DPPH radical-scavenging activity of two acylated flavonoid tetraglycosides in oolong tea (Camellia sinensis) / Chem. Pharm. Bull. 56(6):851~853
Park YH / 2002 / Effect of pH on the stability of green tea catechins / J. Food. Hyg. Safety 17(3):117~123
Muramatsu K / 1986 / Effect of green tea catechins on plasma cholesterol level in cholesterol-fed rats / J. Nutr. Sci. Vitaminol. 32(6):613~622
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