Product Introduction
Casein phosphopeptide, or CPP, is derived from casein, which is the main protein found in milk, and it is obtained through enzymatic hydrolysis of casein. It is widely recognized for its ability to enhance the bioavailability of minerals, particularly calcium, iron, and zinc. Casein phosphopeptides are commonly used in the food industry, especially in functional foods and nutritional supplements, due to their ability to keep calcium soluble in the small intestine, facilitating its absorption.
Production Process
The production of casein phosphopeptide typically involves several key steps. First, casein is extracted from milk and then subjected to enzymatic hydrolysis, using enzymes such as trypsin; this process breaks down the casein protein into smaller peptides. The resulting mixture is then purified to isolate the casein phosphopeptides. This purification process may involve techniques like ultrafiltration, chromatography, and precipitation. Finally, the isolated CPP is dried to obtain the final product in powder form.
Product Efficacy and Function
Casein phosphopeptide primarily enhances the absorption of minerals in the body, especially calcium. CPP binds to calcium ions and prevents the formation of insoluble calcium phosphate, thus keeping the calcium soluble and available for absorption in the intestines [1]. This is particularly beneficial for individuals with conditions that impair calcium absorption or those who require increased calcium intake, such as growing children and postmenopausal women [2]. Additionally, CPP may also improve the absorption of other minerals like iron and zinc, contributing to overall mineral nutrition [3].
Product Application Scenarios
CPP is used in a variety of applications, mainly in the food and beverage industry. It is added to functional foods like dairy products, cereals, and beverages to enhance their nutritional value, particularly their calcium content [4]. Additionally, CPP is found in nutritional supplements designed to support bone health and prevent calcium deficiency. In dental products, CPP is incorporated into toothpastes and mouthwashes to promote remineralization of tooth enamel and prevent dental caries [5].
Packaging and Storage
Casein phosphopeptide is typically packaged in airtight containers to prevent moisture absorption and maintain its stability. It should be stored in a cool, dry, and well-ventilated place, away from direct sunlight and high temperatures, to prevent degradation [6]. Under these conditions, the shelf life of CPP is generally around 24 months. Proper packaging and storage are crucial to ensure the product retains its quality and efficacy throughout its shelf life.
Citations:
[1] Cross, K. J., Huq, N. L., & Reynolds, E. C. (2005). Casein phosphopeptides in oral health. Current Pharmaceutical Design, 11(6), 791-800.
[2] Haug, A., Høstmark, A. T., & Harstad, O. M. (2007). Bovine milk in human nutrition—a review. Lipids in Health and Disease, 6(1), 21.
[3] Sato, R., Sekiguchi, S., Tomita, M., & Yoshikawa, M. (1986). Stimulation of iron absorption by casein phosphopeptides. Agricultural and Biological Chemistry, 50(11), 2887-2889.
[4] Reynolds, E. C., Cai, F., Shen, P., & Walker, G. D. (2003). Retention in plaque and remineralization of enamel lesions by casein phosphopeptide-stabilized calcium phosphate solutions. Journal of Dental Research, 82(3), 206-211.
[5] Rose, R. K. (2000). Effects of casein phosphopeptide-amorphous calcium phosphate on enamel demineralization. Australian Dental Journal, 45(4), 268-272.
[6] Kim, E. J., Park, S. H., Kim, H. S., Kim, J. H., & Kwak, H. S. (2017). Effect of storage temperature on the stability of casein phosphopeptide (CPP) in milk beverage. Journal of Dairy Science, 100(9), 7023-7030.
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