Fatty‐Acid Synthesis in Lactating‐Goat Mammary Gland 1. Medium‐Chain Fatty‐Acid Synthesis

Abstract
Tissue slices from lactating goat-mammary gland synthesized short (C4:0 and C6:0), medium (C8:0 and C10:0) and long-chain (C12:0-C16:0) fatty acids in proportions similar to that found in goat milk fat. The particle-free supernatant fraction and the purified fatty acid synthetase from this tissue synthesized predominantly short-chain and long-chain fatty acids. Terminating acyl-thioesterases of low MW were not detected in the particle-free supernatant. Addition of the microsomal fraction to the particle-free supernatant induced the synthesis of medium-chain fatty acids in proportions which were similar to goat milk fat.

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