大米蛋白多級遞釋螯合鈣（大米螯合鈣Calcium Rice Chelate）的協(xié)同增效機(jī)制??

大米蛋白包含清蛋白、球蛋白、醇溶蛋白及谷蛋白四類，其溶解特性差異為鈣的靶向遞送提供了獨(dú)特優(yōu)勢。清蛋白可溶于水，在胃酸環(huán)境中快速釋放鈣離子，促進(jìn)初期吸收；球蛋白通過中性鹽溶液溶解，在腸道中段與鈣形成穩(wěn)定復(fù)合物，延長吸收窗口；醇溶蛋白依賴70~80%乙醇溶解，模擬小腸脂質(zhì)環(huán)境，實(shí)現(xiàn)鈣的緩釋；谷蛋白在稀酸/堿條件下解離，于腸道后端釋放剩余鈣，覆蓋全消化道吸收路徑。

大米蛋白的氨基酸組成完整且必需氨基酸比例接近FAO/WHO推薦模式，其豐富的谷氨酰胺、天冬氨酸等極性氨基酸可通過羧基、氨基與鈣離子形成高穩(wěn)定性螯合鍵，減少鈣與植酸等抗?fàn)I養(yǎng)因子的無效結(jié)合，提升生物利用度。此外，鈣離子與蛋白的螯合作用可增強(qiáng)礦物質(zhì)在加工及儲存中的穩(wěn)定性，避免沉淀析出。

該多級遞釋體系不僅優(yōu)化了鈣的吸收效率，還通過“蛋白-鈣-氨基酸”協(xié)同作用，促進(jìn)骨骼礦化、神經(jīng)信號傳導(dǎo)及肌肉功能調(diào)節(jié)，為開發(fā)高效補(bǔ)鈣（大米螯合鈣Calcium Rice Chelate）功能性食品提供了科學(xué)依據(jù)。

大米蛋白多級遞釋螯合鈣（大米螯合鈣Calcium Rice Chelate）的協(xié)同增效機(jī)制

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抗壞血酸錳Manganese Ascorbate、抗壞血酸亞鐵Ferrous Ascorbate、賴氨酸甘氨酸鎂Magnesium Lysinate Glycinate、甘氨酸谷氨酰胺鎂Magnesium Glycinate Glutamine、檸檬酸蘋果酸鎂Magnesium Citrate Malate、檸檬酸鍶Strontium Citrate、檸檬酸錳Manganese Citrate、檸檬酸銅Copper Citrate、天門冬氨酸鋰Lithium Aspartate、牛磺酸硒Selenium Taurate.

Synergistic mechanism of rice protein multi-stage release chelated calcium (Calcium Rice Chelate)

Rice protein includes albumin, globulin, alcohol-soluble protein and gluten. The difference in their solubility characteristics provides unique advantages for the targeted delivery of calcium. Albumin is soluble in water and quickly releases calcium ions in the gastric acid environment to promote initial absorption; globulin is dissolved in neutral salt solution and forms a stable complex with calcium in the middle of the intestine to extend the absorption window; alcohol-soluble protein depends on 70~80% ethanol to dissolve, simulates the lipid environment of the small intestine, and achieves sustained release of calcium; gluten dissociates under dilute acid/alkali conditions and releases the remaining calcium at the rear end of the intestine, covering the entire digestive tract absorption path.

The amino acid composition of rice protein is complete and the proportion of essential amino acids is close to the FAO/WHO recommended model. Its rich polar amino acids such as glutamine and aspartic acid can form highly stable chelate bonds with calcium ions through carboxyl and amino groups, reduce the ineffective combination of calcium and anti-nutritional factors such as phytic acid, and improve bioavailability. In addition, the chelation of calcium ions and proteins can enhance the stability of minerals during processing and storage, and avoid precipitation.

This multi-stage release system not only optimizes the absorption efficiency of calcium, but also promotes bone mineralization, nerve signal transduction and muscle function regulation through the synergistic effect of "protein-calcium-amino acid", providing a scientific basis for the development of efficient calcium supplement (Calcium Rice Chelate) functional food.

Synergistic mechanism of rice protein multi-stage release chelated calcium (Calcium Rice Chelate)

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Manganese Ascorbate, Ferrous Ascorbate, Magnesium Lysinate Glycinate, Magnesium Glycinate Glutamine, Magnesium Citrate Malate, Strontium Citrate, Manganese Citrate, Copper Citrate, Lithium Aspartate, Selenium Taurate.