Sericin


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Sericin

 

(also silk gum), a viscous protein of natural silk constituting approximately one-third of the silk’s weight. It is characterized by a high content of the amino acid serine (up to 40 percent). Sericin cements the filaments of fibroin, the other protein of silk. In contrast to fibroin, sericin is soluble in hot water and alkaline solutions.

References in periodicals archive ?
Extracted sericin from silk waste for film formation.
The boiling process has led to elimination of sericin which is a major protein present in the silk fiber often resulting in cytotoxicity.
Silk fibroin was obtained from the cocoons of the silkworm Bombyx mori through the hydrolysis of sericin. PVA with 99% degree of hydrolysis and DMU with a purity of at least 99% were obtained from Sigma-Aldrich.
The silk fibroin (SF) was obtained after degumming with 0.5% (w/v) [Na.sub.2]C[O.sub.3] and sericin was excluded.
Raw silk cocoons were degummed twice with 0.1 M of sodium carbonate and 0.5% of standard reference detergent at 100[degrees]C for 30 min, rinsed with warm water to remove the sericin from the surface of the fibre, and then dried at room temperature.
Italian company Santangelica launched an entirely new skin care range based on its sericin complex, which is said to be suitable for all age groups.
(Sodium hydroxide) Phase C Setakol (Centerchem, Pentapharm) 1.00 (Hydrolyzed sericin) Regu-Shape (Centerchem, Pentapharm) 3.00 (Conjugated linoleic acid, aqua, soya lecithin, propylen glycol, polysorbate 80, paraben) D, L-alpha-Tocopherol 0.20 Phase D Keltrol RD 0.40 (Xanthan gum) Phase E Dry Flo AF 2.00 (Corn starch modified) Abil B 88183 1.00 (PEG/PPG-20/6 dimethicone) PROCEDURE: Disperse Carbolpol ETD 2020 in phase A.
Comments: A hydrolysate of the silk protein sericin. An aqueous, amber-colored solution with a unique affinity for proteins.
Comments: Setakol is a hydrolysate of the silk protein sericin. Setakol is an aqueous, amber-colored solution with a unique affinity for proteins.
Another example of glycoprotein has been sericin, which was isolated from silk.[11] A new lip therapy ingredient, palmitoyl oligopeptide, recorded excellent results moisturizing and fullness subjective testing.[12]
Norwalk, CT Tel: (203) 822-9800 Fax: (203) 822-9820 Website: www.centerchem.com Setako INCI name: hydrolyzed sericin Use levels: 2-5% Applications: scalp and hair care Comments: Hydrolysate of the silk protein sericin.