51results about How to "The extraction and separation method is simple" patented technology

The invention discloses a tremella extract and a preparation method thereof. The invention provides the method for preparing the tremella extract that after deionized water is used for soaking tremella, a pH value is regulated ranged from 8.5 to 9.0, constant temperature reaction is carried out under the temperature ranged from 85 DEG to 95 DEG, and the tremella extract is obtained after filtering and concentration. In the method, weight ratio of water and the tremella is 1-100:1; the time of the constant temperature reaction is ranged from 3 h to 5 h; the filtering is carried out by using suction filter method in a filtering step; in a suction filter step, suction filter temperature is ranged from 45 DEG to 50 DEG, gauze of 200 mesh to 300 mesh is firstly used to carry out suction filter to cause suction filter liquid to be clear and transparent, and then filter papers are used to carry out the filtering again. The method for preparing the tremella extract does not need organic reagents, and has simple extraction and separation method. The extraction rate reaches up to 81 percent, the product purity can achieve 85 percent, and the product quality has great improvement.

The invention relates to an externally used traditional Chinese medicine composition with an emergency skin repair effect. The externally used traditional Chinese medicine composition consists of raw materials including, by weight, from 20 to 30 parts of sophora japonica, from 15 to 20 parts of selfheal, from 10 to 15 parts of purslane, from 10 to 15 parts of radix ophiopogonis, from 10 to 15 parts of radix stemonae, from 10 to 15 parts of giant knotweed rhizome, from 10 to 15 parts of argyi and from 10 to 15 parts of clove. An extraction separation method for a traditional Chinese medicine extract is simple and convenient, purity of obtained products is high, and the quality of the products is greatly improved. The traditional Chinese medicine composition has effects of resisting ultraviolet rays, suppressing and eliminating inflammatory factors caused by ultraviolet irradiation, excellently moisturizing the skin of a user after sun, and the like. Accordingly, the extract can be used as a natural sunscreen raw material applied to sunscreen cosmetics.