Question

Percentage composition of fibroin and sericin in silk is:

Options

• 50 : 40

• 80 : 20

• 30 : 70

• 40 : 60

Answer 1

80 : 20

Explanation:

Silk is made up of proteins. It is composed of an inner envelope mode up sericin protein and an outer envelope mode up fibroin protein. The silk three is composed of 75-80% fibroin and 20-25% sericin.