This purity of this material is not determined. Zein is a mixture of 4 classes, α, β, γ, and δ. These forms interact and produce multiple bands in electrophoresis studies. Historical data indicate this product is greater that 80% protein. Please see the link below to review additional information provided in the product datasheet:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/412/505/z3625pis.pdf
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General description
Zein is a prolamine and an alcohol soluble protein present in maize endosperm cells.[1][2] Zein is a 20kDa structural protein and is encoded by the gene mapped on the short arm of maize chromosome 7.[2] This protein lacks essential amino acids, such as lysine and tryptophan. Therefore, it has a poor nutritional value.[1]
Application
Biochem/physiol Actions
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Would it be possible to have the purity of the zein?
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What is the N content of this product?
1 answer-
The N-factor for this product is 6.25. The Nitrogen content of this material is not tested on a lot to lot basis. Historical information shows a range of 13% - 16%. Please see the link below for additional information available in the product datasheet:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/412/505/z3625pis.pdfHelpful?
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Hi! We ordered this product but I coulnd't find its molecular weight. Can you inform me? Thank you.
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The molecular weight of this material is approximately 22-24 kDa.
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