1. The Saussurea involucrata chemical composition was: alkaloid, flavanone, sterol, volatile oil, 16 kind of amino acids, Saussurea involucrata lactone and so on. 雪莲化学成分为:生物碱、黄酮、甾醇、挥发油、16种氨基酸、雪莲内酯等。
2. Conclusion: III is a new alkaloid. 结论:III是新生物碱。
3. Nicotine is a colorless, poisonous alkaloid. 尼古丁是无色有毒生物碱。
4. The rhizomes are rich in the alkaloid colchicine. 根状茎富有生物碱秋水仙素。
5. Tryptanthrin is a kind of indole quinazoline alkaloid. 色胺酮属吲哚喹唑啉类生物碱。