多肽鐵（Iron polypeptide）對人體吸收的影響

目前常見的硫酸亞鐵、葡萄糖酸亞鐵、乳酸亞鐵等補(bǔ)鐵劑鐵含量高，但是在體內(nèi)的利用率較低，且有金屬鐵銹味，存在胃腸刺激，難以長期食用。針對這一現(xiàn)象，氨基酸鐵及肽鐵螯合物等新型補(bǔ)鐵劑已成為目前關(guān)注及研究的熱點(diǎn)，其中肽鐵螯合物在機(jī)體內(nèi)有著特殊的螯合機(jī)制和轉(zhuǎn)運(yùn)模式，能夠通過多肽的轉(zhuǎn)運(yùn)系統(tǒng)直接被人體腸道吸收，與無機(jī)鹽補(bǔ)鐵劑相比，對人體刺激較小，具有生物利用率高、穩(wěn)定性好以及低生物毒性等優(yōu)點(diǎn)。多肽安全性較高、成本較低，且吸收速度快、能量消耗低，不僅具有抗氧化、預(yù)防機(jī)體衰老、降血脂等功能，還能與亞鐵離子結(jié)合，形成肽鐵螯合物，牛血紅蛋白肽亞鐵螯合物和燕麥多肽亞鐵螯合物都通過體外消化實(shí)驗(yàn)、細(xì)胞實(shí)驗(yàn)、動(dòng)物實(shí)驗(yàn)等方法表明兩者均具有良好的消化穩(wěn)定性及更高的生物利用度。因此，由于食源性肽鐵螯合物兼具功能性和營養(yǎng)性，研究普遍認(rèn)為肽鐵螯合物是當(dāng)前較為理想的新型補(bǔ)鐵劑，極具發(fā)展?jié)摿?/span>。

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抗壞血酸亞鐵Ferrous Ascorbate、抗壞血酸錳Manganese 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.

Effect of iron polypeptide on human absorption

At present, the common iron supplements such as ferrous sulfate, ferrous gluconate, and ferrous lactate have high iron content, but their utilization rate in the body is low, and they have metal rust taste, gastrointestinal irritation, and are difficult to eat for a long time. In response to this phenomenon, new iron supplements such as amino acid iron and peptide iron chelate have become the focus of current attention and research. Peptide iron chelate has a special chelating mechanism and transport mode in the body, and can be directly absorbed into the human intestine through the peptide transport system. Compared with inorganic salt iron supplement, it has less stimulation to the human body. It has the advantages of high bioavailability, good stability and low biotoxicity. Polypeptide has high safety, low cost, fast absorption rate and low energy consumption. It not only has the functions of anti-oxidation, preventing body aging and lowering blood lipids, but also can combine with ferrous ions to form peptide iron chelate. Both bovine hemoglobin peptide ferrous chelate and oat polypeptide ferrous chelate have good digestive stability and higher bioavailability through in vitro digestion experiment, cell experiment and animal experiment. Therefore, because of the functional and nutritional properties of foodborne peptide iron chelates, it is generally believed that peptide iron chelates are a relatively ideal new iron supplement at present and have great development potential.

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