3',5'-二甲氧基苯乙酮是来自玄参的天然产物，具有抗氧化活性。

十七烷酸是一种外源（主要是反刍动物）来源的脂肪酸。许多“奇数”长度的长链氨基酸源自乳制品脂肪（牛奶和肉类）的消耗。

[Met5]-Enkephalin, amide is an agonist for δ opioid receptors as well as putative ζ (zeta) opioid receptors.Met-enkephalin circulates in several forms, some of which may be derived from proteins other than proenkephalin A, and plasma levels of both free native, and peptidase-derivable Met-enkephalin are modulated physiologically.