欧美韩一区,中文字幕国产高清,国产精品国产三级国产专业不,中文字幕在线三区,欧美性生交大片免费看app麻豆,成人一区久久,亚洲国产一区二

The molecular weight of the peptide is less than 500 Dalton

Physical and chemical properties

Water solubility: the solubility is more than 90%, the water solution is clear and transparent, pH 4.5 ± 0.3, there is a trace of white particle precipitation, which is insoluble peptide substance.

Stability: it is stable in acid, alkali and high temperature, and can withstand heat resistance test at 100 ℃ for 30min or 121 ℃ for 20min in the range of ph2-10.

For more details about this product, please call our customer service!