单词	essential amino acid
释义	essential amino acid noun : any of various amino acids that are required for normal health and growth in many vertebrates, are either not manufactured in the body or manufactured in insufficient quantities, are usually supplied by dietary protein, and include histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine compare nonessential amino acid Example Sentences Recent Examples on the Web One scoop of this powder provides 20 grams of protein with a complete essential amino acid profile. Good Housekeeping, 9 June 2022 Felines like tigers and lions, for example, need taurine in their diet, an essential amino acid critical for normal vision, digestion, heart muscle function, and other health factors. Zachary Smith, cleveland, 26 May 2022 All of these high-protein options are also rich in leucine, an essential amino acid involved in the growth and repair of muscle, skin, and bone. Outside Online, 17 Feb. 2021 Limiting the essential amino acid methionine appears to amplify the effects of radiation and chemotherapy in mice with colon cancer and sarcomas. Jocelyn Kaiser, Science | AAAS, 1 Apr. 2021 Tryptophan is an essential amino acid, according to the US National Library of Medicine's MedlinePlus website. Maggie O'neill, Health.com, 22 Feb. 2021 Food and drinks that contain certain minerals, therapeutic herbs and tryptophan — an essential amino acid — can aid your body's production of serotonin and melatonin. Kristen Rogers, CNN, 11 Aug. 2020 Quinoa, which is technically a seed, includes all essential amino acids (there are nine) that your body needs for repair and growth but can’t produce for itself. Maggie O'neill, Health.com, 30 Apr. 2020 Seitan is not a complete protein, lacking the essential amino acid lysine. NBC News, 31 Jan. 2020 See More Word History First Known Use 1911, in the meaning defined above Medical Definition essential amino acid noun : any of various alpha-amino acids that are required for normal health and growth, are either not manufactured in the body or manufactured in insufficient quantities, are usually supplied by dietary protein, and in humans include histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine
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