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Manufacturing method of fermented food preserving agent using green tea extract and fermented food preserving agent thereof
Manufacturing method of fermented food preserving agent using green tea extract and fermented food preserving agent thereof
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机译：利用绿茶提取物制造发酵食品保鲜剂的方法及其发酵食品保鲜剂
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摘要
The present invention relates to a chitosan having a molecular weight of 15,000 to 20,000 MW by adding lactic acid to the chitosan and acidifying the chitosan to pH 4.5-5.0 to mix the liposoluble material extracted from the green tea leaves, The liposoluble material extracted from the green tea leaves was in the form of a microsphere wrapped with chitosan. The microspheres were neutralized with sodium hydroxide or potassium hydroxide while adding a small amount of sodium chloride at a concentration of 0.1% to the microspheres, The present invention relates to a fermented food preservative which solidifies the formed chitosan. When the fermented food preservative is used in contact with the fermented food, if the fermented food falls below a certain acidity, the insoluble polymer becomes soluble, It inhibits the production and activity of microorganisms involved in fermentation, Fermented food preserving agent which can stop the fermentation and extend the circulation period of the fermented food and maintain fresh taste.
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