Poria cocos, a fake product, is generally cut into cubes of Poria cocos, which is a square medicinal material with a size of 5 ~ 8 mm. Careful observation shows that the surface color is slightly uneven, with occasional mildew spots and slight breath, and the taste is slightly sweet. The broken water tablets can be seen under ordinary optical microscope, and the starch granules are small and irregular. Take a little powder and add dilute iodine solution to turn light blue.

/iknow-pic.cdn.bcebos.com/a71ea8d3fd1f4134b686b4612a1f95cad1c85e7f"target="_blank"title=""class="ikqb_img_alink"> /iknow-pic.cdn.bcebos.com/a71ea8d3fd1f4134b686b4612a1f95cad1c85e7f? x-bce-process=image%2Fresize%2Cm_lfit%2Cw_6%2Ch_8%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="/article/xxgk/sjbj/yyws/2155/ 21555182. shtml "target =" _ blank "title =" China Anti-Infringement and Counterfeiting Work Network-Chinese Medicine Reveals How to Distinguish Genuine Poria "> China Work Network for Combating Infringement and Counterfeiting-Revealing the Secret of Traditional Chinese Medicine How to Distinguish the True and False Poria

/baike.baidu.com/item/%E8% 8c% AF% E8% 8b% 93/32589? Fr = Aladdin "target =" _ blank "title =" Baidu Encyclopedia-Poria "> Baidu encyclopedia-poria cocos