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Showing posts from July, 2023

Vitamin A Overview - Introduction, Functions, Food Sources, RDA, Deficiency and toxicity

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Introduction In the world of nutrition, few vitamins have captured the attention of health enthusiasts and scientists alike quite like Vitamin A. This fat-soluble wonder plays a pivotal role in maintaining optimal health and wellness, with its far-reaching benefits ranging from supporting clear vision to bolstering the immune system. In this blog, we delve into the fascinating world of Vitamin A, uncovering its functions, sources, and the importance of striking the right balance for overall well-being. Types of Vitamin A Retinoids: This form of vitamin A is derived from animal sources and includes retinol, retinal, and retinoic acid. These forms are easily absorbed by the body and can be directly used in various cellular functions. Our Body Absorbs 75% to 100% of retinol. Carotenoids: These are provitamin A compounds found in plant-based sources. The most well-known carotenoid is beta-carotene, which can be converted into retinol by the body as needed. Our Body only absorbs 10% to 30% ...

Evaluating the Protein Quality of Peanuts: Methionine and Biological Value

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  Evaluating the Protein Quality of Peanuts: Methionine and Biological Value Introduction: When assessing the protein content of peanuts, it is important to consider the presence of essential amino acids and the overall protein quality. Peanuts, while a popular snack, are known to have certain limitations in terms of their protein profile, specifically regarding the amino acid methionine and their biological value. Protein Profile of Peanuts: Peanuts are indeed a source of protein, but they contain a relatively lower amount of the essential amino acid methionine compared to some other protein-rich foods. Methionine is crucial for various functions in the body, including protein synthesis and metabolic processes. Therefore, it is important to consume other protein sources to ensure an adequate intake of methionine. Biological Value of Peanuts: Biological value (BV) is a measure that indicates the proportion of absorbed protein that the body can utilize for various physiological func...