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• Benifits for Skin

  Extract from soybeans, containing isoflavones, possess strong anti-inflammatory and antioxidant properties that protect skin from photodamage and improve anti-aging properties of skin cells. After UV exposure, treatment with soybean extract results in increased catalase activity, which normally converts hydrogen peroxide to water and oxygen and circumvents its conversion to reactive oxygen species in the cell. Moreover, the expression of cyclooxygenase (COX), an enzyme involved in the production of inflammatory prostaglandins, also increases after UV irradiation. COX expression is significantly decreased in skin pretreated with soybean extract. Finally, soybean extract also decreases the level of proliferating cell nuclear antigen (PCNA), a marker for DNA damage, in skin cells after UV irradiation. As a result, soybean extract targets cellular enzymes to prevent keratinocyte apoptosis, decreases transepidermal water loss and the level of inflammation to protect from skin damage due to photoaging. Soybean protein has also been shown to inhibit the formation of skin proteinases and increase trichoblast and atrichoblast numbers in skin.
  Soybean protein is frequently used to counter skin aging in moisturizers, cleansers, and hair strengtheners. In clinical trials, soybean has been shown to increase papillae index of skin, fibrillogenesis, and the production of GAGs in the ECM. Soy-derived serine protease inhibitors have also been clinically used to treat hyperpigmentation. This occurs by inhibition of enzymes that mediate keratinocyte phagocytosis of melanosomes. Scientists have also recently discovered that fermentation of soybean extract produces additional peptides that aid in the in vivo inhibition of enzymes involved with lipid peroxidation of cells.;

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