于肉中添加钙盐常被认为是一种化学嫩化方法，且部分钙盐具有良好的护色效果。无机钙源主要使用碳酸钙和磷酸钙，部分使用氯化钙。有机钙源如甲酸钙(Calcium Formate)、丙酸钙(Calcium Propionate)、乳酸钙(Calcium Lactate)、柠檬酸钙(Calcium Citrate)、苹果酸钙(Calcium Malate)等，因其溶解度高、生物利用率高，作为新型饲料添加剂在反刍动物饲料中的使用越来越常见。有研究表明，甲酸钙对肌肉和血液中钙含量的提升优于氯化钙，补充钙对肌肉嫩度有一定的影响，添加1%的甲酸钙，肌肉的嫩度最好。丙酸钙被动物吸收后降解为丙酸和钙离子，钙离子作为一种矿物质参与机体各项代谢，丙酸是反刍动物生糖的主要原料，也作为体内脂肪主要合成的前体物质。柠檬酸钙作为新型的有机饲料添加剂，其在机体可释放出柠檬酸，柠檬酸可直接进入三羧酸循环通路被分解利用，最终为机体提供能量和钙源。

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苹果酸钙Calcium Malate、柠檬酸钙Calcium Citrate、乳清酸钙Calcium Whorate、天门冬氨酸钙Calcium Aspartate、牛磺酸钙Calcium Taurine、抗坏血酸锰Manganese Ascorbate、抗坏血酸亚铁Ferrous Ascorbate

Effect of calcium malate on beef quality

Adding calcium salts to meat is often considered as a chemical tenderizing method, and some calcium salts have good color protection effect. Inorganic calcium sources mainly use calcium carbonate and calcium phosphate, and some use calcium chloride. Organic calcium sources such as calcium formate, calcium propionate, calcium lactate, calcium citrate, calcium malate, etc. are more and more commonly used as new feed additives in ruminant feed because of their high solubility and high bioavailability. Studies have shown that calcium formate on muscle and blood calcium content is better than calcium chloride, calcium supplementation has a certain impact on muscle tenderness, adding 1% calcium formate, muscle tenderness is the best. Calcium propionate is absorbed by animals and degraded into propionic acid and calcium ions. Calcium ions participate in various metabolism of the body as a mineral. Propionic acid is the main raw material for sugar production in ruminants, and also serves as the main precursor for fat synthesis in the body. As a new organic feed additive, calcium citrate can release citric acid in the body, and citric acid can directly enter the tricarboxylic acid cycle to be decomposed and utilized, and finally provide energy and calcium source for the body.

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Calcium Malate, Calcium Citrate, Calcium Whorate, Calcium Aspartate, Calcium Taurine, Manganese Ascorbate、Ferrous Ascorbate