essential amino acid


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essential amino acid

[i′sen·chəl ə′mē·nō ‚as·əd]
(biochemistry)
Any of eight of the 20 naturally occurring amino acids that are indispensable for optimum animal growth but cannot be formed in the body and must be supplied in the diet.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The improved performance of broilers with the replacement of soybean meal with silkworm meal (up to 75%) could be related to its higher content of essential amino acids, minerals and energy (Khatun et al.
PDCAAS (Protein Digestibility-Corrected Amino Acid Score) values for essential amino acids ranged from 92% for methionine + cysteine in the muscle tissue protein of wels catfish to over 100% for all amino acids in the muscle tissue protein of the other species (Table 5).
Whey contains high quality and nutritious dairy proteins like alpha-lactoglobulins, beta-lactoglobulins, bovine serum albumin, and immunoglobulins and is good for healthy living due to its richness in the essential amino acids especially the branched-chain amino acids which include leucine, isoleucine, and valine [16].
The correlation among the dietary essential amino acid profiles determined based on the ideal protein concept of Nile tilapia and colliroja was expressed using linear regression analysis, and each essential amino acid mean was compared using t-test (P < 0.05) by using the SPSS Statistical Package (Version 15.0; SP Inc., Chicago, IL).
myristica) Amino acid Concentration Infant requirement crude protein range crude protein (mg/g) (mg/g) Lysine * 33.5 53-76 Histidine * 21.9 18-36 Arginine * 42.4 -- Aspartic acid 72.0 -- Threonine * 25.4 40-50 Serine 36.3 -- Glutamic acid 85.8 -- Proline 23.3 -- Glycine 38.0 -- Alanine 40.0 -- Cystine 9.1 29-60 Valine* 36.4 44-77 Methionine * 9.9 29-60 Isoleucine * 28.3 41-53 Leucine * 73.3 83-107 Tyrosine 30.5 58-118 Phenylalanine * 42.8 58-118 FAO/WHO (1985); * essential amino acids Table 4.
The profile of essential amino acids in each selected product was determined by using ion-exchange chromatography with automatic Amino Acid Analyzer, (Hitachi L8500, Tokyo, Japan) following (Adeyeye and Afolabi, 2004).
The amino acid composition revealed the there were rich in amino acids, especially, the essential amino acids. The concentration of arginine in Irvigna gabonesis and Citrullus colocynthis were 5.01 and 9.32g/100g protein respectively.
(7) found elevated protein synthesis in those consuming 6 gm of essential amino acids post-exercise in comparison to a control group.
Dairy products, fish, poultry, beef, and other animal sources are called complete proteins because they are infused with 8-9 of the essential amino acid complex.
It contains 74% of the essential amino acid L-Histidine, shown to prevent cataracts in fish under practical farming conditions, said EFSA, which is recommending the product receive the European Union (EU) market authorisation sought by producer Kyowa Kyogo Ltd.
For those with PKU, the body is unable to produce an enzyme in the liver needed to convert the amino acid, phenylalanine into another essential amino acid, tyrosine.
Aventis Animal Nutrition develops, manufacturers and markets a wide range of food additives including vitamins, enzymes, and methionine, an essential amino acid. The Aventis Animal Nutrition division employs 1,550 staff and posted turnover of Euro 572 million in 2001.