Urolithin A，又称尿石素A，是天然多酚化合物鞣花单宁的一种次生代谢产物，具有抗炎、抗衰老、诱导线粒体自噬和抗氧化的作用，能够穿过血脑屏障，可以抑制PI3K/Akt/mTOR信号。Urolithin A在多种疾病治疗中有重要作用，如：癌症、阿尔茨海默病、肥胖、糖尿病等。

参考文献

1. Wang Y, et al. In vitro antiproliferative and antioxidant effects of urolithin A, the colonic metabolite of ellagic acid, on hepatocellular carcinomas HepG2 cells. Toxicol In Vitro. 2015 Aug;29(5):1107-15.
2. Zhao W, et al. Metabolite of ellagitannins, urolithin A induces autophagy and inhibits metastasis in human sw620colorectal cancer cells. Mol Carcinog. 2018 Feb;57(2):193-200.
3. González-Sarrías A, et al. Antiproliferative activity of the ellagic acid-derived gut microbiota isourolithin A and comparison with its urolithin A isomer: the role of cell metabolism.Eur J Nutr. 2017 Mar;56(2):831-841.
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冰袋运输。粉末直接保存于-20℃，有效期3年。建议分装后-20℃干燥保存，避免反复冻融。