维生素 B6 的 4-甲醛形式，可转化为磷酸吡哆醛，磷酸吡哆醛是合成氨基酸、神经递质（血清素、去甲肾上腺素）、鞘脂、氨基乙酰丙酸的辅酶。

The herbs of Eupatorium maculatum L.

[Sar1, Ile8]-Angiotensin II is a peptide that has multiple effects on vascular smooth muscle, including contraction of normal arteries and hypertrophy or hyperplasia of cultured cells or diseased vessels. The biological activities of angiotensin II antagonists upon basal and angiotensin II-stimulated aldosterone production were evaluated in an isolated canine glomerulosa cell preparation.