Protein Content of Milk
Milk contains two primary proteins: casein and whey. Casein makes up about 80% of milk protein and is crucial for cheese-making. Whey, the remaining 20%, is commonly used in protein supplements due to its rapid digestion.
Milk Sugar: Lactose
Lactose is the primary sugar in milk, providing a quick energy source. Interestingly, about 65% of the global population has some degree of lactose intolerance, which means they lack sufficient lactase enzyme to properly digest lactose.
Healthy Fats in Milk
Milk contains various fats, including saturated, monounsaturated, and polyunsaturated fats. Conjugated linoleic acid (CLA), a type of fat found in milk, has been shown to have potential anti-cancer properties and may aid in fat loss.
Vitamins and Minerals
Milk is a rich source of essential vitamins and minerals like calcium, vitamin D, and vitamin B12. Fortified milk often contains additional vitamin D, which aids in calcium absorption and is vital for bone health.
Bioactive Compounds in Milk
Beyond basic nutrients, milk contains bioactive compounds such as immunoglobulins and lactoferrin. These compounds help boost the immune system and have antimicrobial properties, providing additional health benefits beyond basic nutrition.Milk in Space
Astronauts drink irradiated milk, which has an extended shelf life and remains safe to consume during long space missions.
What percentage of milk protein is whey?
About 20%
About 80%
About 50%
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