Stemona Extract

Active ingredients

Stemona Extract mainly contains alkaloids, including stemonaine, substemonine, iso-stemona, protostemonine, trailing stamina, allogeneic stamina, dehydro-stemona, and dehydrogenating stamina Alkali, etc.; There are other ingredients such as β-sitosterol, stigmasterol, chlorogenic acid, geniposide, and crocin.

Extraction processing method

Stemona can be extracted with water, alcohol, etc. according to conventional methods, and then the extract is concentrated to dryness. Such as 95% alcohol extraction, the yield is about 15%.

Pharmacology

Stemona extract has antibacterial effect and has inhibitory effect on Staphylococcus aureus, Staphylococcus albicans, Escherichia coli, Proteus, and Bacillus subtilis;

Stemona water extract (1:3) has an inhibitory effect on a variety of skin fungi.

At a concentration of 20%, this solution can inhibit the growth of Nocardia spp. At a concentration of 40%, it can inhibit the growth of Trichophyton violaceum, Flavus hylani, Microsporum aushenii, and Microsporum wool-like.

Stemona extract has a strong inhibitory effect on facial demodicosis;

The water and alcohol extracts of Stemonae japonica and other species of Stemonae can kill mosquito larvae, head lice, clothes lice, and bed bugs. The high-concentration Stemonae extract is in vitro and can kill rat Xiao insect.

• Elimination of Super Oxygen White from the base;
• Elimination of DPPH free radicals;

Application in cosmetics&skin care products

Stemona Extract has a superoxide dismutase (S0D)-like effect and has a good elimination effect on superoxide free radicals. It can be used as a free radical trapping agent for cosmetics; Stemona Extract has strong antibacterial properties and kills mites, Can be used for related washing products.