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Sericin

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Other Name: silk sericin; Sericin powder
INCI Name: SERICIN
Total nitrogen: ≥14.0
PH: 5.0-7.0
Appearance: White to slightly yellow powder
CAS No: 60650-89-7
Availability:


Sericin can be used as an additive in advanced cosmetics.The amino acid component of sericin has excellent water absorption and skin retention functions.And silk sericin can effectively inhibit the activity of tyrosine and the formation of melanin.Sericin on the hair provides good hair care and repair effect.Sericin powder is rich in proline,which can reactivate the production and reorganization of collagen fibers.This silk protein has anti-wrinkle effects and increases skin elasticity.It also has a powerful antioxidant capacity to prevent lipid peroxidation.It has a soothing effect and reduces the expression of inflammatory mediators.Since sericin strengthens the skin barrier and prevents moisture loss,it also has moisturizing properties. 

Item

Specification

Test result

Characteristics

Powder in white or light yellow

Powder in white or light yellow

Nitrogen(%)

≥14

14.5

Weight Loss on drying(%)

≤6

3.2

Residue on lgnition(%)

≤4

2.5

Pb  (mg/kg)

≤0.5

0.01

As  (mg/kg)

≤0.5

0.07

Hg(mg/kg)

≤0.3

0.01

PH Value

5.0-7.0

5.6

 Coli group(MPN),per 100g

≤30

≤30

Pathogenic Bacteria

Can`t be detected

Not detected


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