Astragalus root extract injection and its preparation method

Abstract

The present invention discloses an astragalus injection and its preparation method. Decocting astragalus root in water, filtering, reduced pressure concentrating filtrate, adding ethyl alcohol, standing still, filtering reduced pressure concentrating, adding water to make dilution, cold storing, filtering, reduced pressure concentrating, using macroporous resin to make separation, collecting eluent, using water to make dilution, adding L-arginine, regulating pH to 7.0-7.5, adding active carbon, filtering to remove carbon, adding water to make dilution so as to obtain the invented astragalus injection.

Description

technical field [0001] The invention relates to an injection prepared from active ingredients extracted from Chinese herbal medicines, in particular to astragalus injection and a preparation method thereof. Background technique [0002] The root extract of Astragalus membranaceus is a Chinese herbal medicine that has the functions of nourishing qi and nourishing energy, strengthening the body and removing pathogenic factors, nourishing the heart and opening the channels, invigorating the spleen and removing dampness. Insufficient function and hepatitis due to spleen deficiency and dampness. At present, the commercially available Astragalus injection is a small-dose injection, and what is still used is the Chinese medicine standard (1998) of the Ministry of Health of the People's Republic of China. It is 2ml, which is equivalent to 4g of the original medicinal material, or 10ml, which is equivalent to 20g of the original medicinal material . [0003] Relevant data show that...

AI Technical Summary

Problems solved by technology

Therefore, the current small-volume Astragalus injection and the traditional method of adding it to large-capacity injections to form large-capacity Astragalus injections cannot meet people's needs, and it is extremely necessary to develop a large-capacity Astragalus injection.