Chang zhou agro biotechniqe company.,ltd

The functions of l-theanine excellent flavor improving effect, antidepressant, effective in improving sleep quality, relaxation sedation anti-anxiety, but does not cause drowsiness, lowering blood pressure functions, the promotion of learning and memory function of the brain, enhance immunity, anti-fatigue, enhance the efficacy of anticancer drugs the securities of l-theanine as early as 1985, the u.s. food and drug administration on the approval of theanine and confirmed that theanine is a generally recognized as safe substances, not do in the course of limited use provisions. the uses of l-theanine 1. l-theanine can be used in tranquilizer sedative drugs. 2. l-theanine can be used as the quality of tea improver. 3. l-theanine can be used as additives to improve food flavor. 4. l-theanine can be used as functional food additives. 5. l-theanine can be used as anticancer drugs. 6. l-theanine can be used in lower blood pressure drugs. the comparision of l-theanine through the process enzyme synthesis with through the process of chemical synthesis 1. l-theanine through the process of microbe ferment is all l type,because of special and distinctive effect of microbe enzyme.specific rotation ???20/d of our product is +8.2-+8.3degree 2. during the process of microbe ferment,we do not add any chemistry reagent .the raw material of production are l-glutamine and ethylamine.so do not worry about the safety of our product. 3. all the raw materials of our product are food grade. technological process of l-theanine 1. preparation of l-theanine synthesie enzyme (enzyme gamama-glutamyltranspeptidase) 2. inoculation? yeast ferment ? centrifugal ? cell division 3. the synthesis of l-theanine by enzyme 4. l-glutamine + ethylamine ? add enzymegamama-glutamyltranspeptidase then reaction?inactivation of enzyme gamama at 80?,retrieve ethylamine?filtrate and remove yeast fungusprotein?treat with active carbon?concentration?dry