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Lipase, triacylglycerol

Molecular structure:





White to yellowish powder


Normal fermentation odour

Enzymatic activity


Loss on drying


Heavy metals






Lipase belongs to the class of carboxyl ester hydrolases, which can gradually hydrolyze triglycerides into glycerol and fatty acids. Lipase exists in fat-containing animal, plant and microbial (such as mold, bacteria, etc.) tissues. Lipase is widely used in food, medicine, leather, daily chemicals, etc. Lipase is a class of enzymes with a variety of catalytic abilities. It can catalyze the hydrolysis, alcoholysis, esterification, transesterification and reverse synthesis of esters of triacylglycerides and other water-insoluble esters. In addition, it also exhibits the activities of other enzymes, such as phospholipase, lysophospholipase, cholesterol esterase, and acyl peptide hydrolase activities. The different activities of lipase depend on the characteristics of the reaction system, such as promoting ester hydrolysis at the oil-water interface, and enzymatic synthesis and transesterification in the organic phase.


Plants containing more lipase are the seeds of oil crops, such as castor bean and rapeseed. When oil seeds germinate, lipase can work in concert with other enzymes to catalyze the decomposition of oils and fats to produce sugars, and provide nutrients and energy necessary for seed rooting and germination; the pancreas of higher animals contain more lipase in the animal body And adipose tissue, contains a small amount of lipase in the intestinal juice, which is used to supplement the insufficiency of pancreatic lipase for fat digestion, and the gastric juice of carnivorous animals contains a small amount of butyrate glyceride.


Lipase is one of the important types of industrial enzyme preparations, which can catalyze reactions such as lipolysis, transesterification, and ester synthesis. It is widely used in oil processing, food, medicine, daily chemical and other industries. Lipases from different sources have different catalytic characteristics and catalytic activities. Among them, the large-scale production of lipases with transesterification or esterification functions for organic phase synthesis is of great significance for the enzymatic synthesis of fine chemicals and chiral compounds. Lipase is a special ester bond hydrolysis enzyme that can hydrolyze glycerides (oil, fat) and release fatty acids, diglycerides, monoglycerides and glycerol at different stages. The fatty acid produced by hydrolysis can be titrated with a standard alkaline solution, and the enzyme activity is expressed by the titration value. Lipase is widely distributed in microorganisms, and its producing bacteria are mainly molds and bacteria. There are 33 types of lipases from different sources that have been published for triglyceride processing, of which 18 are from molds and 7 are from bacteria.


Lipase is a type of hydrolytic enzyme that can act on carboxylate bonds. The biological characteristic of lipase is to hydrolyze triglycerides into diglycerides, monoglycerides, fatty acids and glycerol. In addition, in addition to the natural function of hydrolyzing carboxylate bonds, lipase can also catalyze esterification, transesterification and transesterification in non-aqueous systems. These properties of lipase make it widely used in food, medicine, detergent, leather products, paper industry and biodiesel manufacturing. In the field of scientific research, lipase is often used as a diagnostic enzyme for analysis of prostaglandin esters and triglycerides in serum, and fat analysis. In the food industry, lipase is mainly used in cheese manufacturing (defatting and producing special flavors, the maximum amount is 100mg/kg), lipid modification, and lipid hydrolysis to prevent certain dairy products and chocolate from the oil in the Chemicalbook Defeated. Lipase is an excellent preparation that makes milk chocolate and cream cakes produce special flavors. Add it to the protein to break down the fat that may be mixed in it, thereby improving its foaming ability.


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Store in a dry, well-ventilated place away from direct sunlight.