Soy protein isolate is extracted from defatted soy flour. It is made of almost pure protein, since the isolation process yields a product that is 93 to 97 percent protein, leaving minimal fat and carbohydrates.
No. | Test Item | Test Method | Unit | Specification | Result | ||||||
1 | Color | Q/YST 0001S-2023 | / | Pale yellow or Milky white | Pale yellow | ||||||
Smell | / | With right smell of the product, no abnormal odor | Normal, no abnormal odor | ||||||||
Character | / | Powder or uniform particles | Powder | ||||||||
Impurity | / | No visible impurity | No visible impurity | ||||||||
2 | Particle Size | 100 mesh pass | % | ≥95 | 99.5 | ||||||
3 | Moisture | GB 5009.3-2016 (I) | % | ≤10 | 6.82 | ||||||
4 | Protein (dry basis) | GB 5009.5-2016 (I) | % | ≥80 | 82.3 | ||||||
5 | Ash | GB 5009.4-2016 (I) | % | ≤8 | 4.5 | ||||||
6 | pH | GB 5009.237-2016 | / | 6-8 | 6.98 | ||||||
7 | Gluten | Elisa | mg/kg | ≤20 | <5 | ||||||
8 | Soy | Elisa | mg/kg | ≤20 | <2.5 | ||||||
9 | Total Plate Count | GB 4789.2-2016 (I) | CFU/g | ≤10000 | 600 | ||||||
10 | Yeast & Molds | GB 4789.15-2016 | CFU/g | ≤50 | <10 | ||||||
11 | Coliforms | GB 4789.3-2016 (II) | CFU/g | ≤30 | <10 | ||||||
The above items are based on routine batch analysis. | |||||||||||
12 | Salmonella | GB 4789.4-2016 | /25g | Negative | Not Detected | ||||||
13 | E. Coli | GB 4789.38-2016 (II) | /g | <10 | Not Detected | ||||||
14 | Lead | BS EN ISO 17294-2 2016 mod | mg/kg | ≤0.5 | <0.05 | ||||||
15 | Arsenic | BS EN ISO 17294-2 2016 mod | mg/kg | ≤0.5 | 0.042 | ||||||
16 | Mercury | GB 5009.15-2014 | mg/kg | ≤0.1 | <0.005 | ||||||
17 | Cadmium | BS EN 13806:2002 | mg/kg | ≤0.5 | 0.035 | ||||||
The above items are based on periodic analysis. | |||||||||||