It may be composed of allelochemics such as alkaloids or terpenes . 它可以由异种化合物例如生物碱或萜稀组成。
The true alkaloid nicotine in nicotiana functions as an allomone against many insect species . 烟草属中的真生物碱，烟碱作为利已激素，能防治许多昆虫。
The deliberate or accidental ingestion of belladonna alkaloids or other classes of drugs with atropinic properties is a major cause of poisonings . 故意或意外服用颠茄生物碱或其它具有阿托品的药物是中毒的主要原因。
Diterpenoid alkaloids from aconitum tuguancunense 土官村乌头中的二萜生物碱
Lysine is a precursor of certain alkaloids 赖氨酸是某些生物碱的前体。
Progress in synthesis of tropane alkaloids 托烷类生物碱的合成研究进展
Studies on dissolubility rule of alkaloids in corydalis ambigua 延胡索生物碱溶出规律的研究
Nicotine is a colorless , poisonous alkaloid 尼古丁是无色有毒生物碱。
Determination of the content of alkaloids in wild pinellia ternate 野生半夏总生物碱含量的测定
Inhibitory effect on lipase of alkaloid derived from lotus leaf 荷叶生物碱对胰脂肪酶的抑制作用
