水苏碱

水苏碱（英语：Stachydrine 或 proline betaine）是一种含氮化合物，分子式C₇H₁₃NO₂，存在于益母草（Leonurus japonicus）、柘（Maclura tricuspidata）、田野水苏（Stachys arvensis）、天南星（Arisaema heterophyllum）等植物中^[1][2][3] 。

水苏碱
IUPAC名 (2S)-1,1-Dimethylpyrrolidin-1-ium-2-carboxylate
别名	Proline betaine
识别
CAS号	471-87-4  N 32039-73-9  N
PubChem	115244 554 7016562
ChemSpider	103115
SMILES	C[N+]1(C)CCC[C@H]1C([O-])=O
Beilstein	3542403
EINECS	207-445-1
ChEBI	35280
DrugBank	DB04284
KEGG	C10172
性质
化学式	C7H13NO2
摩尔质量	143.18 g·mol−1
若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

参考文献

1. Cheng, Fang; Zhou, Yanxi; Wang, Miao; Guo, Chuanjie; Cao, Zhixing; Zhang, Ruoqi; Peng, Cheng. A review of pharmacological and pharmacokinetic properties of stachydrine. Pharmacological Research. 2020, 155: 104755. PMID 32173585. S2CID 212730377. doi:10.1016/j.phrs.2020.104755 （英语）.
2. He, Zekun; Li, Peng; Liu, Pan; Xu, Ping. Exploring stachydrine: from natural occurrence to biological activities and metabolic pathways. Frontiers in Plant Science. 2024-08-06, 15. ISSN 1664-462X. PMC 11337228 . PMID 39170783. doi:10.3389/fpls.2024.1442879 .
3. Heinzmann, Silke S; Brown, Ian J; Chan, Queenie; Bictash, Magda; Dumas, Marc-Emmanuel; Kochhar, Sunil; Stamler, Jeremiah; Holmes, Elaine; Elliott, Paul; Nicholson, Jeremy K. Metabolic profiling strategy for discovery of nutritional biomarkers: proline betaine as a marker of citrus consumption123. The American Journal of Clinical Nutrition. 2010, 92 (2): 436–443. ISSN 0002-9165. PMC 2904656 . PMID 20573794. S2CID 25176124. doi:10.3945/ajcn.2010.29672.