普通的麦当劳芝麻小圆面包含有丙酸钙和丙酸钠，这两样都是防腐剂。
A regular McDonald's sesame-seed bun contains calcium propionate and sodium propionate—both preservatives.
利用甲壳类水产的废弃物为钙源，与丙酸合成丙酸钙。
With the trash of carapace aquatic product as the calcium source, calcium propionate is produced by the synthesis of propionic acid and acid.
并通过添加丙酸钙作为防腐剂有效抑制了细菌和霉菌的生长。
Ca-propionate was used as antiseptic agent to restrain growth of bacteria and mold.
以海产贝壳（毛蛤壳）作为钙源，制备柠檬酸钙、丙酸钙。
The result of using clamshell as calcium source to produce calcium citrate and calcium propionate was reported.
普通的麦当劳芝麻小圆面包含有丙酸钙和丙酸钠，这两样都是防腐剂。
A regular McDonald's sesame-seed bun contains calcium propionate and sodium propionate — both preservatives.
以牡蛎壳为原料，采用常温常压直接法制备无毒食品防腐剂丙酸钙。
A new technology for producing calcium propionate from oyster shell under normal pressure and temperature was studied.
实验结果表明，用该方法制备丙酸钙，在最佳条件下产品收率可达91%。
The result shows that the recoveries were 91% in the optimum condition by the method.
实验结果表明，用该方法制备丙酸钙，在最佳条件下产品收率可达91%。
The result shows that the recoveries were 91% in the optimum condition by the method.
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