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1.02241

Sigma-Aldrich

Casein from bovine milk

soluble in alkali, Technipur®

Synonym(s):

Caseinogen

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About This Item

CAS Number:
9000-71-9
MDL number:
MFCD00081481

Quality Level

200

mp

280 °C (dec.) (lit.)

InChI

1S/C81H125N22O39P/c1-36(2)31-50(76(132)94-43(15-24-57(87)108)71(127)101-52(34-64(120)121)78(134)98-49(81(137)138)11-7-8-30-82)99-72(128)47(19-28-61(114)115)95-77(133)51(33-63(118)119)100-73(129)48(20-29-62(116)117)97-80(136)65(37(3)104)103-75(131)44(16-25-58(88)109)92-68(124)42(14-23-56(86)107)90-67(123)41(13-22-55(85)106)91-69(125)45(17-26-59(110)111)93-70(126)46(18-27-60(112)113)96-79(135)53(35-142-143(139,140)141)102-74(130)40(12-21-54(84)105)89-66(122)39(83)32-38-9-5-4-6-10-38/h4-6,9-10,36-37,39-53,65,104H,7-8,11-35,82-83H2,1-3H3,(H2,84,105)(H2,85,106)(H2,86,107)(H2,87,108)(H2,88,109)(H,89,122)(H,90,123)(H,91,125)(H,92,124)(H,93,126)(H,94,132)(H,95,133)(H,96,135)(H,97,136)(H,98,134)(H,99,128)(H,100,129)(H,101,127)(H,102,130)(H,103,131)(H,110,111)(H,112,113)(H,114,115)(H,116,117)(H,118,119)(H,120,121)(H,137,138)(H2,139,140,141)

InChI key

BECPQYXYKAMYBN-UHFFFAOYSA-N

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General description

Casein is a collective term given for a family of phosphoproteins generally found in the milk of mammals. It has wide applications in the paints, medical, plastics, and food industries. It is used to form self-healing-protective coatings. Edible casein films are used in food packaging applications as a good barrier to oxygen to protect products from oxidation. The Casein-based adhesive is used as a bottle-labeling adhesive for beer and soda bottles.

Application

Casein can be used as:
  • An adhesive in the preparation of magnesium composite applicable as a fire retardant coating used in the wood industry.
  • A superplasticizer in the self-leveling underlayment (SLU) formulation.

Biochem/physiol Actions

Partial gastrointestinal digestion of casein is a rich source of bioactive peptides, such as β-casomorphin. However, bovine casein is not homogeneous; variants A1 and B do lead to production of β-casomorphin 7 production, while A2 does not.

Legal Information

Technipur is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Casein films: the effects of formulation, environmental conditions and the addition of citric pectin on the structure and mechanical properties
Bonnaillie LM, et al.
Polymer, 6(7), 2018-2036 (2014)
Milk protein polymer and its application in environmentally safe adhesives
Guo M and Wang G
Polymers, 8(9), 324-324 (2016)
Milk protein polymer and its application in environmentally safe adhesives
Guo M and Wang G
Polymer, 8(9), 324-324 (2016)

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