Protein (nutrient)

（重定向自Dietary protein）

Amino acids are the building blocks of protein.

Amino acids are necessary nutrients. Present in every cell, they are also precursors to nucleic acids, co-enzymes, hormones, immune response, repair and other molecules essential for life.

Proteins are essential nutrients for the human body. They are one of the building blocks of body tissue, and can also serve as a fuel source. As a fuel, proteins contain 4 kcal (17 kJ) per gram, just like carbohydrates and unlike lipids, which contain 9 kcal (37 kJ) per gram. The most important aspect and defining characteristic of protein from a nutritional standpoint is its amino acid composition.

单词	Dietary protein
释义	Dietary protein 原声例句 WIL生活启示录 There has not been, to my knowledge, any evidence to support higher levels of dietary protein having any kind of negative effect, ever. 据我所知，从来没有任何证据表明高水平的膳食蛋白质有任何负面影响。健身知识科普 The results show that cold-water immersion inhibited the uptake of amino acids and creation of new myofibrillar proteins, muscle, from the dietary protein consumed. 结果表明，冷水浸泡会抑制氨基酸的吸收，并产生新的肌原纤维蛋白，肌肉。英语百科 Protein (nutrient) （重定向自Dietary protein） Proteins are essential nutrients for the human body. They are one of the building blocks of body tissue, and can also serve as a fuel source. As a fuel, proteins contain 4 kcal (17 kJ) per gram, just like carbohydrates and unlike lipids, which contain 9 kcal (37 kJ) per gram. The most important aspect and defining characteristic of protein from a nutritional standpoint is its amino acid composition.
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