【摘要】 以废弃贝壳为主要原料，对食品添加剂柠檬酸钙的制备工艺进行了摸索和研究，产品总钙提取率可达７２．７％．产品的柠檬酸钙含量、外观、粒度以及各项毒理指标均符合美国的ＦＣＣ标准更多还原

【Abstract】 The preparation process of food additive Cadium citrate using wasted shells as main materials is designed and improved. The rate of Cadium recovery is 72.7%. The content of Cadium citrate in our product, the apperance, size and the content of possible toxical substance are all within the limits that required by American Food Chemical Codex(1981).更多还原