Casein

See Casein paint for information about casein usage in artistic painting.

Casein (from Latin caseus "cheese") is the most predominant phosphoprotein found in milk and cheese. When coagulated with calcium.

Casein is not coagulated by heat. It is precipitated by peptone.

Casein consists of a fairly high number of calcium ions and hydrophobic interactions.

The acetate.

Applications

In addition to being consumed in milk, casein is used in the manufacture of adhesives, binders, protective hydrolysate of casein to its individual amino acids, called "NZ-Amine" is commonly used as a constituent of agar plates in molecular biology or to supplement the protein content of foods.

Controversy

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Opioid

Casein has been documented to break down to produce the peptide histamine releaser [1]. Casomorphine is suspected by some sources to aggravate the symptoms of autism [2]. However, in a recent review it was concluded that insufficient evidence existed to support the use of elimination diets (i.e., casein or gluten free) in the treatment of autism spectrum disorders [3]. More importantly preliminary data from the first and only double-blind randomized control trial - reported in the Journal of autism and developmental disorders - of a gluten- and casein-free diet showed no changes in groups on an off the diet [4]. At this point it is premature to suggest that casein- or gluten-free diets can help children with autism spectrum disorders.

Casein-free diet

Casein has a molecular structure that is extremely similar to that of gluten. Thus, most gluten-free diets are combined with casein-free diets and referred to as a gluten-free, casein-free diet.

Blocking positive effects of tea

A study of Charité Hospital in Berlin showed that adding milk to tea does not alter the antioxidant activity in vivo [6] and the cardiovascular effect remains controversial. [7] [8]

References

Green, V., et al. 2006. "Internet Survey of Treatments Used by Parents of Children with Autism." Research in Developmental Disabilities. 27 (1):70-84
Lucarelli, S., et al. 1995. "Food allergy and infantile autism." Panminerva Med. 37(3):137-141.
Lorenz, M., et al. 2007. "Addition of milk prevents vascular protective effects of tea." European Heart Journal (DOI: 10.1093/eurheartj/ehl442) (PMID: 17213230)