Preparation method of antioxidant

[0046] Plant lactic acid bacteria shown in Table 1 below were used as microorganisms for producing an antioxidant (active oxygen scavenger) from okara.

[0047] Table 1

[0048]

[0049] * The above-mentioned microorganisms were all obtained from Jiangnan University and preserved in CICIM, the Industrial Microbiology Resource and Information Center of Chinese Universities.

[0050] The above strain obtained by culturing in YPD (Yeast Extract Peptone Dextrose Medium) medium at 30°C was inoculated into an Erlenmeyer flask (capacity 300ml) containing 100ml of antioxidant production medium, and cultured at 30°C for 72 hours. The medium contained 10 w / v% okara and 1 w / v% glucose. Wherein, the preparation of soybean dregs is obtained by soaking soybeans in water for 12 hours to make soybeans fully absorb water, then grinding and crushing the soybeans that have absorbed water, filtering and removing liquid components, and draining remaining residues.

[0051] Then, the obtaine