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Inhibitory effects of capsaicinoids on fatty acid desaturation in a rat liver cell line
N Nakano1, N Shirasaka, K Masuoka
1Department of Food Science and Nutrition, Faculty of Agriculture, Kinki University, Nara, Japan.
Abstract:
The inhibitory effects of such vanillylamides as capsaicin and nine capsaicinoids on fatty acid desaturation in liver cells were investigated by using the cultured rat liver cell line, BRL-3A. When capsaicin was added to the medium, it had a relatively strong inhibitory effect on delta6 desaturation and clear inhibitory effects on delta5 and C24delta16 desaturation (delta16 desaturation of C24-polyunsaturated fatty acids). Capsaicinoids with side carbon chain lengths of C10:0 and C12:0 expressed the maximum inhibitory effects of the nine capsaicinoids on fatty acid desaturation in the BRL-3A cells. The inhibitory effects of the capsaicinoids were not correlated with their pungency.
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