一种天然保鲜剂母液组合物由植酸、抗坏血酸、柠檬酸钾和水组成。
The said mother liquor composition consists of phytic acid, ascorbic acid, citric acid, potassium citrate and water.
以焦硫酸钾为酯化剂，以吡啶为溶剂合成了L- 抗坏血酸的稳定衍生物L- 抗坏血酸- 2 - 硫酸酯二钾盐。
The stable derivative of L-ascorbic acid, L-ascorbic Acid-2-sulphuric acid ester dipotassium salts are synthesized using potassium pyrosulfate as esterifying agent and pyridine as solvent.
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