The role of expansion agent:
It can promote and accelerate the growth of plants, commonly known as "fruit swelling dragon" or "swelling hormone", and its chemical name is cytokinin, which belongs to plant hormone chemicals. The common filler is clofenuron, commonly known as Clopidogrel in English, abbreviated as CPPU(N-2- chloro -4- pyridylbenzene -N'- phenylurea), which belongs to phenylurea substances and mainly stimulates cytokinins. It was first developed by Sandoz company in Switzerland and invented by Shouteng, a professor of pharmacy at the University of Tokyo. CPPU was developed by Japan Concord Fermentation Industry Co., Ltd., but CPPU was developed in. 1980, with the approval of Japan Plant Regulator Research Association, Concord Fermentation started the nationwide effect test in Japan under the name of KT-30. 1March, 989, the patent of Sheikh's fermentation was obtained under the trade name "フルメットФ (0.10%)".