(1) Background: Clitoria ternatea
(butterfly pea), a plant species belonging to the Leguminosae
(Fabaceae) family, is useful for medical treatments and has been used in folk medicines and to cure different diseases. The antioxidation ability of the total phenolic compounds of butterfly pea is useful for preserving flavor, and colour and for preventing vitamin destruction in processed foods. In this study, a butterfly pea flower fermentation solution was added to cosmetics as a whiting ingredient. (2) Methods: After the phenolics, flavonoids and ascorbic acid content of the butterfly pea flower extraction had been determined, lactic acid bacteria fermented the extraction. The whitening and moisturizing effect was assayed by SSC3 and NF333 analyzers. (3) Results: This study demonstrated that the butterfly pea flower fermentation solution has free radical scavenging ability, a reducing power in high concentrations, a moisturizing effect, and a whiting effect. (4) Conclusions: The results showed that the butterfly pea flower fermentation solution not only inhibits redness, itching, allergies, and irritation to the skin, but also has antioxidation properties and promotes moisture retention and whitening effects, and the results increase as the concentration increases. Therefore, butterfly bean flowers may be suitable as a raw material for natural beauty care products.
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