Basic Information Tian Huang Huang This product is a dried block of secretory fluid in the stems of Gramineae Bambusa textilis McClure or Schizostachyum chinense Rendle. Autumn and winter harvest. Medicinal parts: grasses Bambusa textilis McClure or Schizostachyum chinense Rendle, etc. Main producing areas: Mainly producing Yunnan, Guangdong, Guangxi and other places Alias: Tianzhu yellow, bamboo paste ("Kai Bao Materia Medica"), every day, yellow ("Ben Cao Yan Yi"), bamboo sugar ("false drug identification"). Source: For the grasses, such as green grass bamboo, etc., which are bitten by parasitic parasitoid wasps, the wound fluids accumulated between the bamboo segments are aggregated and formed into blocks. Harvesting: Harvesting in winter, cutting bamboo stalks, dissecting the sky yellow, and drying. There are few natural producers of this product. Most of them use the method of burning bamboo forest. After the bamboo is hot, the bamboo leach is solidified during the intervening period, and then it is cut to dry. Medicinal herbs It is an irregular, polygonal block or sheet with a surface that is milky white, off-white or gray-blue. Lightweight, crunchy, easy to break. The cross section is bright, slightly powdery, and it feels slippery. Strong water absorption, bubble generation in water, insoluble in water. Sweet and cool, sticky tongue. To dry, block large, yellowish white, bright, strong water absorption is better. Water Test Kits,Well Water Test Kit,Water Testing Strips,Water Test Kit Home Depot Changchun LYZ Technology Co., Ltd , https://www.lyzstrips.com