Ammonium caseinate

Casein. See Milk protein Casein, ammonium salt. See Ammonium caseinate... 

Ammonium caseinate Ammonium lignosulfonate Behenyl hydroxyethyl... 

Glyoxal 1,1,3-Triethoxy-3-methoxypropane insolubilizer, casein Ammonium zirconyl carbonate insolubilizer, food-contact coatings Glyoxal... 

Synonyms Casein, ammonium salt Definition Ammonium salt of casein Ionic Nature Anionic... 

Casein, ammonium salt. See Ammonium caseinate Casein, calcium salt. See Calcium caseinate Casein hydrolysate. See Hydrolyzed casein Casein, potassium salt. See Potassium caseinate Casein-sodium Casein-sodium complex Casein sodium saH. See Sodium caseinate... 

Nitrogen sources include proteins, such as casein, zein, lactalbumin protein hydrolyzates such proteoses, peptones, peptides, and commercially available materials, such as N-Z Amine which is understood to be a casein hydrolyzate also corn steep liquor, soybean meal, gluten, cottonseed meal, fish meal, meat extracts, stick liquor, liver cake, yeast extracts and distillers solubles amino acids, urea, ammonium and nitrate salts. Such inorganic elements as sodium, potassium, calcium and magnesium and chlorides, sulfates, phosphates and combinations of these anions and cations in the form of mineral salts may be advantageously used in the fermentation. 

Differential Solubility Methods. Numerous methods have been developed to obtain one or more of the various caseins from whole casein or directly from skim milk based on their differential solubility (Thompson 1971 Mackinlay and Wake 1971 Whitney 1977). While some early procedures indicated the possibility of fractionating whole casein into different components, it was not until the 1950s that systematic procedures were proposed for the fractionation of casein into Warner s a-, 0-, and y-caseins. Hipp et al. (1952) developed two procedures which have been used extensively or partially incorporated into other methods. The first is based upon the differential solubilities of the caseins in 50% alcohol in the presence of ammonium acetate by varying the pH, temperature, and ionic strength. The second procedure involves the dispersion of whole casein in 6.6 M urea and the separa-... 

In addition, to release lipids from source material, such as those in starch, fish meal, or milk, it might be necessary to treat the sample with an acid prior to lipid extraction (see Basic Protocol 4). In the case of milk, addition of ammonium hydroxide is necessary to dissolve casein prior to lipid extraction, which will release the lipids from its surrounding matrix (e.g., from the film surrounding the fat globules in milk). Furthermore, in certain cases, it is necessary to predry the sample in order to allow efficient and complete extraction of lipids. Particle size reduction is another factor that may improve lipid extraction efficacy. 

Sift 2 parts powdered casein into 8 parts water and remove lumps by stirring. Add 1 part ammonium carbonate and allow to stand fcM- half an hour, then add 8 parts of water. 5TARCH is another size stir 1 part starch powder into 3 parts cold water to form a paste then slowly stir into 3 parts boiling water. 

Synthetic media (or chemically defined media) consist of dilute solutions of chemically pure compounds. They may be simple snch as inorganic ammonium salt plus minerals and a sngar, or complex snch as pnrified casein with added vitamins, minerals, and a sugar. They can be prodnced with constant compositions year after year. Table 19.5 shows a typical growth medinm for the cultivation of yeasts. 

The reaction of starch phosphate with such proteins as soybean protein and casein was used to produce protective colloids for insolubilization of pigments in coatings and paper.1684 The complexation of starch phosphate with protein insolubilizes the latter, particularly when starch phosphate is in the form of an ammonium salt.1685... 

Atrasein 115. [Atramax] Ammonium caseinate dispersant le ng agent... 

Hyamine . [Lonza] Quaternary ammonium comi. germicide, disinfectant, sanitizer, preservative for restaurant and pharmaceutical uses, textiles, starch, glue, casein. 

Acid casein is insoluble in water but soluble caseinate can be formed by dispersing the casein in water and adjusting the pH to 6.5-7.0 with NaOH (usually), KOH, Ca(OH)2 or NHj to produce sodium, potassium, calcium or ammonium caseinate, respectively (Figure 4.38). The caseinates are... 

Casein which is a phosphoprotein, is the chief nitrogenous constituent of milk, in which it occurs as a calcium salt in combination with calcium phosphate. Casein is insoluble in water, but its salts are readily soluble those of calcium, barium, strontium, and magnesium form opalescent colloidal solutions. The sodium, potassium, and ammonium salts form comparatively clear solutions, which pass through clay filters. Casein also forms salts with acids. It is precipitated from a solution of its salts and from milk by small quantities of mineral acids, and by larger amounts of acetic acid, but it dissolves in an excess of acid. Casein and its salts are precipitated from solutions by saturating the latter with sodium chloride, magnesium sulphate, or sodium sulphate. The solutions of the salts of casein... 

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