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Identification of milk species by protein profile after SDS-PAGE [electronic resource].

By:

Afify, Abd El-Moneim M. R

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Language: English Summary language: Arabic Description: p.309-322Other title:

التعرف علي تركيب بروتينات الالبان عن طريق التفريد الكهربي بالاكتروفوريسيس باستخدام جيل بولي اكريلاميد المحتوي علي الصوديوم دوديسيل سلفات [Added title page title]

Uniform titles:

Journal of biological chemistry and environmental sciences, 2008 v. 3 (2) Part II [electronic resource].

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In: Journal of Biological Chemistry and Environmental Sciences 2008.v.3(2)IISummary: Human milk as will as non-traditional of protein milk from species mares', ass's, cow, buffalo, goat, sheep and camel were investigated by SDS-PAGE polyacrylamide gel electrophoresis. The results of human milk proteins showed that whey fraction contains, lactoferrin, secretory IgA (SIgA), serum albumin and α-lactalbumin which represents 22.8, 10.99, 9.08 and 17.02 respectively. The investigation will be concern with differentiation of milk species by protein profile. The majority of proteins in human, mares' and ass's milk proteins are found in the whey fraction and represented by five proteins; α-lactalbumin, lactoferrin, Secretory IgA (SIgA), Serum albumin and Lysozyme. While the major whey proteins in the other species (cow, buffalo, goat and sheep) represented by four proteins; lactoferrin, Secretory IgA (SIgA), Serum albumin and β-lactoglobulin. The major similarity between species were identified between mares' and ass's as well as human milk proteins especially in the appearance of lysozyme and α-lactalbumin in high concentration. These observations encourage the possibility of using these milks as alternative of human milk.

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Human milk as will as non-traditional of protein milk from species mares', ass's, cow, buffalo, goat, sheep and camel were investigated by SDS-PAGE polyacrylamide gel electrophoresis. The results of human milk proteins showed that whey fraction contains, lactoferrin, secretory IgA (SIgA), serum albumin and α-lactalbumin which represents 22.8, 10.99, 9.08 and 17.02 respectively. The investigation will be concern with differentiation of milk species by protein profile. The majority of proteins in human, mares' and ass's milk proteins are found in the whey fraction and represented by five proteins; α-lactalbumin, lactoferrin, Secretory IgA (SIgA), Serum albumin and Lysozyme. While the major whey proteins in the other species (cow, buffalo, goat and sheep) represented by four proteins; lactoferrin, Secretory IgA (SIgA), Serum albumin and β-lactoglobulin. The major similarity between species were identified between mares' and ass's as well as human milk proteins especially in the appearance of lysozyme and α-lactalbumin in high concentration. These observations encourage the possibility of using these milks as alternative of human milk.

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