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Question

What is fibroin?
what is sericin ?

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Solution

Fibroin is a fibrous protein constituting the core of silk, while sericin is a glue-like protein that envelops fibroin fibers with successive sticky layers that help in the formation of a cocoon.

sericin is a natural macromolecular protein derived from silkworm, Bombyx mori and constitutes 25-30% of silk protein.

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