Pinyin/Protein
< Pinyin
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/g, just like carbohydrates and unlike lipids, which contain 9 kcal/g. The most important aspect and defining characteristic of protein from a nutritional standpoint is its amino acid composition.
Dànbáizhì shì réntǐ bìxū d yíngyǎngsù, shì shēntǐ zǔzhī d jīchǔ zhīyī, kěyǐ zuòwéi ránliào. Zuòwéi ránliào, dànbáizhì hányǒu 4 kcal/g, jiù xiàng tahnshuiiwuh, ér bùtóng yú zhīfáng hán 9 kcal/g. Cóng yíngyǎngxué guāndiǎn láikàn, dànbáizhì zuì zhòngyào fāngmiàn hé jièdìng tèzhēng shì ta d ānjīsuān chéngfèn.