抗壞血酸鋅（Zinc Ascorbate）的生物學(xué)功能及在動物中的應(yīng)用

鋅元素是動物生長發(fā)育過程中所必需的微量營養(yǎng)元素，但因動物體內(nèi)不能生成,故需要額外補(bǔ)充滿足機(jī)體需求，鋅在機(jī)體生長發(fā)育中具有多種重要功能,作為許多酶和激素的組成部分,包括碳酸酐酶、DNA聚合酶、RNA聚合酶、乳酸脫氫酶、堿性磷酸酶、逆轉(zhuǎn)錄酶以及超氧化物歧化酶等含鋅酶,如碳酸酐酶在蛋殼形成中提供關(guān)鍵的碳酸氫鹽離子,保證骨鈣儲存。同時(shí),動物機(jī)體對鋅元素的吸收通過增強(qiáng)鋅轉(zhuǎn)運(yùn)蛋白和金屬硫蛋白的基因表達(dá),也可提高老蛋雞蛋殼強(qiáng)度和體液免疫力。此外,在動物生產(chǎn)中鋅還具有其他生理功能,如改善生長性能、胴體產(chǎn)量和肉質(zhì)、生產(chǎn)和生殖性能、腸道健康等，與此同時(shí),通過補(bǔ)鋅可通過激活keap 1/N rf 2抗氧化信號通路,提高動物抗氧化能力、免疫力和抗氧化酶相關(guān)基因的表達(dá)。

抗壞血酸鋅（Zinc Ascorbate）的生物學(xué)功能及在動物中的應(yīng)用

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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、?；撬嵛?span style="font-family:"Times New Roman";">Selenium Taurate.

Biological function of zinc ascorbate and its application in animals

Zinc is a necessary micronutrient element in the growth and development of animals, but because it cannot be produced in the animal, it needs to be supplemented to meet the needs of the body, zinc has a variety of important functions in the growth and development of the body, as a component of many enzymes and hormones, including carbonic anhydrase, DNA polymerase, RNA polymerase, lactate dehydrogenase, alkaline phosphatase, reverse transcriptase and superoxide dismutase and other zinc-containing enzymes, such as carbonic anhydrase provides key bicarbonate ions in the formation of eggshells to ensure bone calcium storage. At the same time, the absorption of zinc by the animal body can also improve the eggshell strength and humoral immunity of old eggs by enhancing the gene expression of zinc transporter and metallothionein. In addition, zinc also has other physiological functions in animal production, such as improving growth performance, carcass yield and meat quality, production and reproductive performance, intestinal health, etc., at the same time, zinc supplementation can activate the KEAP 1/N RF2 antioxidant signaling pathway, improve animal antioxidant capacity, immunity and the expression of antioxidant enzyme-related genes.

Biological function of zinc ascorbate and its application in animals

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