| 释义 |
vitamin B5
EncyclopediaSeepantothenic acidvitamin B5
vi·ta·min B5term formerly used to describe biologic activities now ascribed to pantothenic acid or nicotinic acid.vitamin B5 An obsolete term for the biological activities now known to correspond to pantothenic acid or nicotinic acid.pantothenic acid or vitamin B5 a water soluble organic acid (C9H17O5N) that is present in all animal tissues, especially the liver and kidney. Pantothenic acid forms part of coenzyme A which, when bonded to acetic acid, forms ACETYLCOENZYME A. The vitamin is present in almost all foods, especially fresh vegetables and meat, eggs and yeast. A deficiency causes nervous disorders with poor motor coordination. |