[86] It was also referred to as "vitamin PP", "vitamin P-P" and "PP-factor", all derived from the term "pellagra-preventive factor". [87] In the late 1930s, studies by Tom Douglas Spies , …

Nicotinamide (INN, BAN UK[2]) or niacinamide (USAN US) is a form of vitamin B 3 found in food and used as a dietary supplement and medication. [3][4][5] As a supplement, it is used orally …

2023年7月24日 · 维生素pp用于防治糙皮病等烟酸缺乏病，也用于治疗血管性偏头痛、头痛、脑动脉血栓形成。 肺栓塞、内耳眩晕症、冻伤、中心性视网膜脉络膜炎等。 妊娠期、哺乳期，以 …

烟酸，化学名称吡啶-3-甲酸，又名尼克酰胺、维生素b 3 、维生素pp或抗癞皮病因子，是一种有机化合物，化学式为c 6 h 5 no 2 ，为白色或淡黄色的针状结晶，无臭或微臭，味道味苦，不溶 …

Vitamin PP is usually one of the components of multivitamin preparations and B-complex (7.5 mg to 15 mg per tablet). Nicotinic acid has a similar action to nicotinamide, but is no longer used …

Vitamin PP (hay niacinamide) là một vitamin nhóm B, cụ thể hơn là dạng amid của vitamin B3. Trong cơ thể, niacinamide sẽ chuyển hóa thành các chất có vai trò quan trọng trong các phản …

2023年12月28日 · Vitamin PP, also known as niacin or vitamin B3, supports the proper functioning of the body. Find out how it works and what the risks of its deficiency are.

维生素PP（烟酰胺）是维生素b3，为什么那么多教材写的是维生素b5? 国内很多主流生化教材，包括：现代生物化学第三版黄熙泰，普通生物化学陈均辉，生物化学教程第四版张洪渊，生物化 …

2012年7月18日 · 维生素PP，抗癞皮病维生素，也称烟酸，化学命名为尼克酸或尼克酰胺，两者能在体内相互转化。 烟酸为白色针状结晶，微溶于水；尼克酰胺为白色结晶，易溶于水。 药用 …

Part of the vitamin B complex; used in the prevention and treatment of pellagra, as a vasodilator, and in hyperlipidemia, in which it lowers cholesterol and acts an agent to elevate levels of high …