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The supplement of ten essential amino acids into the E-64-treated pollen enhanced up to 3.7-fold the number of eggs laid compared to the E-64-fed group without these amino acids, suggesting that egg production is dependent on the supply of essential amino acids from corn pollen proteolysis.
The protein of eggs has long been regarded as superior in nutritive quality, and recent studies have demonstrated that the proportion of essential amino acids apparently is ideal (Harding, 1944; Sumner, 1938).
Highly specific recognition among amino acids, tRNAs, and activating enzymes is concluded to be why the kinds of amino acids in contemporary protein are limited to twenty.
The examined eggs showed a different percentage of essential and non-essential amino acids and antioxidant amino acids, suggesting a potential for enriching the nutritional values and prolonging the shelf life of the eggs by various nutritional strategic ways to enhance the antioxidant amino acids and the essential amino acid profile in eggs.
Journal ArticleDOI
K.R.P. Singh, A.W.A. Brown 
101 Citations
A mixture of amino acids is a sufficient diet for an adult female to mature viable eggs.
Differences in the amount of an amino acid in whole eggs might result from differences in (1) the amount of protein per egg, (2) the proportions of the constituent amino acids in the egg proteins, or (3) the relative amounts of the different proteins in the egg.
The composition of these amino acids fluctuated extensively, but a similarity of amino acid patterns was found among the eggs of fish which are taxonomically close to each other.
In conclusion, up to 50% protein-bound amino acids can be replaced by crystalline amino acids in diets for Senegalese sole juveniles without negative effects in fish performance.
We show that these amino acids are significantly more frequent, are smaller and simpler, and are more ancient than the rest of the amino acids.
The increase in free amino acid pool was higher in eggs and alevins from treated fish than controls, perhaps due to enhanced mobilization of the free amino acid pool.

Related Questions

What are the most common methods for estimating protein content in eggs?4 answersThe most common methods for estimating protein content in eggs include traditional methods like the Kjeldahl method for determining protein content. Additionally, novel techniques such as attenuated total reflectance Fourier transform infrared (ATR-FTIR) spectroscopy with partial least squares regression (PLS) have been developed to analyze liquid whole egg components, including protein content, in a faster, cheaper, and more reliable manner. Moreover, non-destructive methods like visible/near-infrared reflectance spectroscopy have been utilized to detect protein content in eggs, providing good prediction values for egg protein content through multi-linear regression models based on optimal wavelengths. These diverse methods offer a range of options for accurately estimating protein content in eggs, catering to different needs in research and industry.
How many amino acid in protein?4 answersProteins are composed of a linear sequence of about 20 amino acids, each with unique features and a side chain (R group). These amino acids include alanine, arginine, asparagine, aspartate, cysteine, glutamate, glutamine, glycine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonine, tryptophan, tyrosine, and valine. Some amino acids are considered indispensable and need to be consumed through foods, while others can be synthesized by the body. Amino acids play vital roles in the body's metabolism and nutrition, and their importance in health and disease is still being studied. Including a combination of plant- and animal-sourced foods in the diet is desirable for obtaining a variety of amino acids. Overall, proteins are made up of a diverse range of amino acids, each contributing to the structure and function of the protein.
Is there amino acid cysteine in egg albumin?5 answersYes, there is amino acid cysteine in egg albumin. The cysteine content in eggs can vary depending on factors such as breed and feed. For example, eggs from the Australorp breed have been found to have a higher yolk cysteine content compared to eggs from the Rhode Island Red breed. Additionally, a study on egg white proteins from different poultry species, including hens, found that egg albumin from hens contains hydrophobic amino acids residues, including cysteine. Therefore, it can be concluded that egg albumin does contain the amino acid cysteine.
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