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探索了利用北虫草提取物培养乳酸菌,以期提高发酵液活菌数,进行了单菌种和双菌种混合发酵研究,并试制了具有北虫草和乳酸菌双重功能的复合北虫草活性乳酸菌制剂样品。研究结果表明,北虫草提取物对试验菌株生长具有促进作用,提高发酵液活菌数约10倍,实验室条件下单菌种和多菌种混合发酵液活菌数可达到109cfu/mL以上;制备的北虫草活性菌原粉活菌数最高达1011cfu/g、活性乳酸菌片和活性乳酸菌粉产品活菌数达107～109cfu/g。该产品将具有良好保健功能的北虫草和乳酸菌等益生菌相结合,为进一步研究开发复合型保健食品提供依据和思路。
Explore the use of Cordyceps extract cultured lactic acid bacteria, in order to improve the viable count of fermentation broth, a single species and double strains of mixed fermentation research and trial production with a dual function of Cordyceps and lactic acid bacteria composite Cordyceps active lactic acid bacteria preparation samples. The results showed that the extract of Cordyceps militaris could promote the growth of the test strain and increase the viable cell number of the fermentation broth by about 10 times. Under the laboratory conditions, the viable count of single and multi - strain fermentation broth reached 109cfu / mL or more. The viable count of active Cordyceps militaris bacteria prepared was up to 1011 cfu / g, the viable count of active lactic acid bacteria and active lactobacillus meal products was 107-109 cfu / g. The product will have good health functions of Cordyceps and lactic acid bacteria and other probiotics combine to provide the basis for further research and development of composite health food products and ideas.