Tea Saponin
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Tea Saponin

Product Name:Tea Saponin

Tea saponin extract description

Tea saponin is a kind of glycoside compound extracted from tea seeds. It is a natural surfactant with good performance. It can be widely used in light industry, chemical industry, pesticide, feed, breeding, textile, oil extraction, mining, building materials, highway construction and other fields.

Manufacture emulsifiers, detergents, pesticide additives, feed additives, crab and shrimp breeding protectants, textile additives, oilfield foam agents, mining flotation agents, aerated concrete foam stabilizers and concrete admixtures antifreeze, etc.

Tea saponin powder physical and chemical properties

Tea saponins are triterpenoid saponins with bitter and pungent taste, which can stimulate nasal mucosa and cause sneezing. The pure product is white micro columnar crystal with strong hygroscopicity. It is acidic to methyl red. It is insoluble in anhydrous methanol and ethanol, insoluble in ether, acetone, benzene, petroleum ether and other organic solvents, and soluble in aqueous methanol, aqueous ethanol, glacial acetic acid, acetic anhydride, pyridine, etc. When hydrochloric acid is added to the tea saponin solution, the saponin will precipitate when it is acidic. Melting point: 224 ℃.

function and use

Tea saponin has destructive effect on animal red blood cells and produces hemolysis. The activity of tea saponin is measured by the maximum dilution ratio of hemolysis, namely hemolytic index. The hemolysis of tea saponin is lower than that of camellia saponin, but is equivalent to that of tea saponin and camellia saponin. The hemolytic index of camellia saponin is 1,000,000, and that of tea saponin, tea saponin and camellia saponin is 100,000. Tea saponins only produce hemolysis on red blood cells (including nucleated fish blood, chicken blood, nucleated human blood and other red blood cells), but have no effect on white blood cells. Therefore, tea saponin has toxic effect on fish, while it has no toxic effect on shrimp. Its hemolysis mechanism is believed to be caused by the change of permeability of cholesterol containing cell membrane caused by tea saponin. At first, it is to destroy the cell membrane, which then leads to the exosmosis of the cytoplasm, and finally leads to the disintegration of the entire red blood cell. The premise of solubilization is that tea saponins must be in contact with blood, so they are non-toxic when taken orally by humans and animals.

Tea saponin is a sugar compound extracted from the seeds of Camelliaceae plants. It belongs to saponins and is a natural non-ionic surfactant. Tea saponin has good functions of emulsification, dispersion, foaming and wetting, and has anti-inflammatory, analgesic, anti permeability and other pharmacological effects. Tea saponin products are light yellow fine powders, which are widely used in washing, wool spinning, knitting, medicine, daily chemical industry, etc. It can be used as a wetting agent and suspending agent in solid pesticides, as a synergist and an exhibition agent in emulsifiable concentrate pesticides, and also directly as a biological pesticide.

As a pesticide wetting agent, tea saponin can improve the wettability and suspension rate (≥ 75%) of the wettable powder. As a natural non-ionic surfactant, tea saponin can be added to the pesticide to significantly improve the physical and chemical properties of the pesticide solution, increase the effective volume of the pesticide on the target, and help to give full play to the pesticide efficacy. Therefore, the use effect can be improved. As a pesticide wetting agent, it has the outstanding advantages of fast wetting speed, strong dispersion performance, pH 5.5-6.5, neutral partial acid, and will not cause pesticide decomposition, which is conducive to pesticide storage. These are incomparable to synthetic surfactants. Tea saponins have been widely used as wetting agents for pesticides such as paclobutrazol, isoprocarb, aluminum ethophosphate and tricyclazole.

Tea saponin is an excellent adjuvant of water or soluble powder pesticide, which can improve the physical properties of pesticide, improve the adhesion of liquid medicine on biological or plant surface, and play a synergistic role in pesticide. Tea saponin can be automatically degraded and harmless. It will not affect the chemical properties of pesticides during the separation process, which is conducive to the storage of pesticides. Tea saponin has been widely used in herbicide glyphosate, insecticide and insecticide, especially in glyphosate. It gives full play to the excellent performance of glyphosate, improves its adhesion and moisture absorption on plants, and improves the penetration of liquid medicine. Moreover, due to its good biological activity, tea saponin can also improve the biological activity of glyphosate.

Because of its good biological activity, tea saponin, mixed with dimefon, malathion, methomyl, kungfu pyrethrin, nisolone, deltamethrin, nicotine, dimethoate, rotenone, it has obvious synergistic effect on the control of Aphis constricta, Plutella xylostella, Citrus panonychus, etc.

Tea saponin has certain stomach toxicity and strong deterrent effect on cabbage caterpillar, and the higher the concentration is, the stronger the deterrent is, which has certain effect on preventing cabbage from being damaged by cabbage caterpillar. It is used as an insecticide on garden flowers to control underground pests, such as ground tigers, nematodes and other pests. It also has a good toxic effect on the snails, snails and oncomelania that harm rice.

Tea saponin powder extraction process

Tea saponin was extracted by a new process, namely water extraction and alcohol precipitation. The optimum technological conditions of water extraction process were as follows: extraction temperature 60 ℃, liquid-solid ratio 10:1, extraction time 2h, and extraction times 3 times. After water extraction, ethanol precipitation was carried out. The optimal conditions were obtained through experiments: ethanol concentration of 90%, ethanol to concentrate volume ratio of 4:1, ethanol precipitation temperature of 75 ℃, and ethanol precipitation time of 2.5 h. Under these conditions, water extraction and ethanol precipitation were compared, and the extraction rate of water extraction and ethanol precipitation was 95.2%, and the purity was 69.9%, which improved the purity and was conducive to the subsequent refining treatment.