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radical scavenging activities of
water extracts from Alaska pollack roe
Sample
Concentration (mg/mL)
Inhibitory activity (%)
Alaska pollack roe
0.2
10.5±1.3
0.6
28.7±0.5
1.0
40.6±0.4
1.4
48.6±0.2
1.8
62.0±2.2
IC50 (mg/mL)
1.4±0.2
α-Tocopherola (IC50)
14.9 ug/mL
Table 4. The contents of free amino ac
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free radicals: potential mediators of tumor initiation and promotion. Carcinogenesis 8: 1365-1373.
24. McBride, T. J., B. D. Preston and L. A. Loeb. (1991) Mutagenic spectrum resulting from DNA damage by oxygen radicals. Biochemistry 30: 207-213.
25. McCord, J. M. (1987) Oxygen-derived radicals: a l
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Free radical addition
Addition reactions are limited to chemical compounds that have multiply-bonded atoms.
Molecules with carbon - carbon double bonds or triple bonds
Molecules with carbon - hetero double bonds like C=O or C=N
An addition reaction is the opposite of an elimination reaction.
7. R
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새로 돋은 가지에서 딴 어린잎을 차 제조용으로 사용
차는 제조과정에서의 발효 여부에 따라 녹차 ·홍차 ·우룽차
녹차-발효시키지 않은 찻잎[茶葉]을 사용해서만든 차.
녹차 제조
잎을 즉시 가열하여 산화효소를 파괴시켜 녹색을 그
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