A2 milk consumption and its health benefits: an update
- Authors
- Jeong, Huijin; Park, Young-Seo; Yoon, Sung-Sik
- Issue Date
- Feb-2024
- Publisher
- KOREAN SOCIETY FOOD SCIENCE & TECHNOLOGY-KOSFOST
- Keywords
- A2 milk; beta-casomorphin-7; Lactose intolerance; Inflammation; Health benefit
- Citation
- FOOD SCIENCE AND BIOTECHNOLOGY, v.33, no.3, pp 491 - 503
- Pages
- 13
- Journal Title
- FOOD SCIENCE AND BIOTECHNOLOGY
- Volume
- 33
- Number
- 3
- Start Page
- 491
- End Page
- 503
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/90609
- DOI
- 10.1007/s10068-023-01428-5
- ISSN
- 1226-7708
2092-6456
- Abstract
- Milk is a widely consumed nutrient-rich food containing protein variants such as casein A2 and A1. A1 differs from A2 in an amino acid at position 67 (Pro67 to His67). The breakdown of beta-casein yields beta-casomorphins (BCM), among which BCM-7 is extensively studied for its effects on the human body. Animal studies have shown that A1 beta-casein milk increases digestive transit time and enhances myeloperoxidase activity. Individuals with lactose intolerance prefer A2 milk to conventional A1 milk, as BCM-7 in A1 milk can lead to inflammation and discomfort in sensitive individuals. A2 milk, which contains A2 beta-casein, is believed to be more easily digestible than A1 beta-casein. Its popularity has grown owing to reports linking A1 casein to diseases such as type 1 diabetes, heart disease, and autism. A2 milk has gained popularity as an alternative to A1 milk, primarily because of its potential benefits for individuals with certain diseases. This review aims to provide an updated understanding of A2 milk consumption and its health benefits. This review aims to provide an updated understanding of A2 milk consumption and its health benefits.
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