Small molecular peptide was extracted from walnut protein by advanced directed enzyme digestion and low temperature membrane separation technology. It is rich in 8 kinds of essential amino acids and is a new type of nutrient. Walnut peptide has good nutritional properties and is a promising and safe functional food raw material.
质量指标 Index of Quality
检测项目 Iterms | 检测标准 Standard | 检测结果 Test results |
|---|
组织形态 Organizational form | 均匀粉末状,无结块 Uniform powder, no caking | 合格Pass |
颜 色 Color | 白色或淡黄色至褐色粉末 Light yellow or brown powder | 合格Pass |
滋味与气味 Taste and smell | 具有本产品特有的滋味与气味,无异味 With this product unique taste and smell, no smell | 合格Pass |
杂 质 Impurity | 无肉眼可见外来杂质 No visible exogenous impurity | 合格Pass |
堆积密度(g/ml) Bulk density | ----- | 0.28 |
蛋白质(%) Protein | ≥80.0(干基 Dry basis) | 95.0 |
水分(%) Moisture | ≤7.0 | 4.80 |
灰分(%) Ash | ≤7.0 | 4.6 |
| pH值(6.67%的水溶液) | ----- | 6.30 |
平均分子量(Dal) Average molecular weight | <1000 | 合格Pass |
重金属(mg/kg) Heavy Metals | 铅(Pb) | ≤0.20 | 合格 Pass |
| 镉(Cd) | ≤0.40 | 合格 Pass |
| 汞(Hg) | ≤0.02 | 合格 Pass |
菌落总数(CFU/g) Total Bacteriast | n=5, c=2, m=104, M=5×105 | 80 |
大肠菌群(MPN/g) Coliforms | n=5, c=1, m=10, M=102 | <3 |
霉菌(CFU/g) Mold | ≤25 | 0 |
酵母菌(CFU/g Yeast | ≤25 | 0 |
致病菌(沙门氏菌、志贺氏菌、 副溶血性弧菌、 金黄色葡萄球菌) Harmful Bacteria(Salmonella, Shigella, C Vibrio parahaemolyticus, CStaphylococcus aureus) | 不得检出 Negative | 未检出 Not Detected |