Black soybean peptides (BSPs) with potent antioxidant activity, purified with ultrafiltration and macroporous adsorption resin (MAR) from black soybean protein hydrolysates, were analyzed for relative molecular mass and amino acid composition. A total of 125 mice were randomly divided into control group which were given normal saline, positive group which were given reduced glutathione, and low, medium and high dose groups.
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Appearance | Light Yellow to Yellow Fine Powder | Complies |
Impurity | No visible impurities | Complies |
Odor & taste | Characteristics | Complies |
Protein | ≥75% | 78.20% |
Peptide | ≥80% | 82.40% |
Loss on Drying | ≤7.0% | 4.20% |
Ash | ≤7.0% | 2.01% |
Total Plate Count | <3000cfu/g | 400 |
Yeast & Mold | <50cfu/g | <10 |
E.Coli | ≤30cfu/g | <30 |
Salmonella | Negative | Complies |
Melamine(mg/kg) | Negative | Complies |
Total Heavy Metals | ≤10ppm | Complies |
Pesticide residue | Negative | Complies |
Pb(mg/kg) | ≤0.5 | <0.1 |
As(mg/kg) | ≤0.5 | <0.3 |
Hg(mg/kg) | ≤0.5 | <0.5 |