The invention discloses a process for extracting traditional Chinese medicine, which comprises the following steps: S1, washing and draining the traditional Chinese medicine, slicing/section, freezing and embrittlement at 18 C for 3-5 hours, ultrasonic wall-breaking treatment at 18-22 C to obtain broken traditional Chinese medicine powder; S2, placing the traditional Chinese medicine powder in an enzymatic hydrolysis tank, adding cellulase in proportion of 2-3% of the mass percentage; The pectinase was added at 1 to 2% of the mass percentage, and the enzyme was hydrolysated 1 to 2H under negative pressure, and then dried by spray drying. The S3 powder was added to the extraction tank. After the concentration of 65 to 75% alcohol solution was added to the powder of Chinese medicine in the ratio of 1g:11 to 21mL, the mixture was soaked 2 to 3H. The treatment was 60 to 90min at 30~50 degrees Celsius, and the extract was concentrated and recovered, and the extract was obtained by freeze drying. The extract was extracted by 1g:11. \u3002 The invention can improve the extraction rate of effective ingredients in medicinal materials and can be used in the continuous production of enterprises.
【技术实现步骤摘要】
一种中药提取工艺
本专利技术属于天然产物化学
,尤其涉及一种中药提取工艺。
技术介绍
近年来有关中药提取方法的论述有很多,然而有效成分的提取率仍然是现今国内中药制药工业现代化的瓶颈。尽管近年来国内在中药提取生产中推出了一些新工艺,如超声场强化提取、微波提取、超临界流体提取等,但当下的主流仍是浸提技术;面对众多中药提取方法如何抉择是一个复杂的问题,因为它牵涉到生产设备和生产条件等许多因素,加上如今中药提取的规模较大,尤其考虑到连续生产,即使在实验中取得成果,在实际情况下还要经过长时间的实践检验。还有前面提到过的提取新工艺,其提取物往往是化学结构明确的物质,与传统中药生产完全是两回事。
技术实现思路
本专利技术的目的在于提供一种中药提取工艺,工艺简单,可提高药材中有效成分的提取率且可用于企业的连续化生产中。为实现上述目的,本专利技术采取的技术方案为:一种中药提取工艺,包括如下步骤:S1、将中药材洗净沥干后,切片/段,置于-18℃条件下,冷冻脆化3~5h后,在18~22℃条件下,进行超声波破壁处理,得到破壁的中药材粉;S2、将中药材粉置于酶解罐内,按质量百分比为2~3%的比例加入纤维素酶,按质量百分比为1~2%加入果胶酶,30~50℃,负压条件下酶解1~2h,喷雾干燥,得中药粉;S3、将中药粉置于提取罐内,按照1g:11~21mL的比例往中药粉中加入体积浓度为65~75%的乙醇溶液浸泡2~3h后,于30~50℃下处理60~90min后,浓缩回收乙醇,冷冻干燥,即得提取物。进一步地,所述步骤S2中,酶解罐内的压力为0.4-0.6Mpa。进一步地,所述步骤S1中超 ...
【技术保护点】
1.一种中药提取工艺,其特征在于:包括如下步骤:S1、将中药材洗净沥干后,切片/段,置于‑18℃条件下,冷冻脆化3~5h后,在18~22℃条件下,进行超声波破壁处理,得到破壁的中药材粉;S2、将中药材粉置于酶解罐内,按质量百分比为2~3%的比例加入纤维素酶,按质量百分比为1~2%加入果胶酶,30~50℃,负压条件下酶解1~2h,喷雾干燥,得中药粉;S3、将中药粉置于提取罐内,按照1g:11~21mL的比例往中药粉中加入体积浓度为65~75%的乙醇溶液浸泡2~3h后,于30~50℃下处理60~90min后,浓缩回收乙醇,冷冻干燥,即得提取物。
【技术特征摘要】
1.一种中药提取工艺,其特征在于:包括如下步骤:S1、将中药材洗净沥干后,切片/段,置于-18℃条件下,冷冻脆化3~5h后,在18~22℃条件下,进行超声波破壁处理,得到破壁的中药材粉;S2、将中药材粉置于酶解罐内,按质量百分比为2~3%的比例加入纤维素酶,按质量百分比为1~2%加入果胶酶,30~50℃,负压条件下酶解1~2h,喷雾干燥,得中药粉;S3、将中药粉置于提取罐内,按照1g:11~21mL的比例往中药粉中加入体积浓度为65~75%的乙醇溶液浸泡2~3h后,于30~50℃下处理60~90min后,浓缩回收乙醇,冷冻干燥,即得提取物。2.如权利要求1所述的一种中药提取工艺,其特征在于:所述步骤S2中,酶解罐内的压力为0.4-0.6Mpa。3.如权利要求1所述的一种中药提取工艺,其特征在于:所述步骤S1中超声...
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