… Keratin was extracted from different segments of disposable waste chicken feathers (CF) …
), using sodium sulfide and l-cysteine. The yield of extracted keratin from sodium sulfide and l-…

… acid, potassium cyanide and sodium sulfide were used to dissolve the chicken feathers.
The dissolving ability of all three agents were compared and found that sodium sulfide has the …

… of sodium dodecyl sulfate (SDS) to the extracted keratins, with 100–200% additions (on
weight of extracted keratin) giving SDS-keratin complexes comparable in size to the keratin …

… This study was conducted for the extraction of keratin protein using sodium sulfide which …
affecting the extraction process then, finally the properties of extracted keratin were studied. The …

… In this research, keratin was extracted from the waste wool fiber using sodium sulfite as
dissolving … were as follows: the dosage of sodium sulfite 30 g/L, the sodium hydroxide 6 g/L, the …

… Sodium sulfide (Na 2 S) yielded 84.5% of keratin as compared to … In this study, keratin
was extracted from the chicken feather biomass and optimization of extraction conditions was …

… Briefly, wool fibers (1 g) were soaked in 150 ml deionized water for 20 min, then 1 g sodium
sulfide was added for 5 min, followed by 3.2 g calcium oxide (lime). The mixture was gently …

… of keratin extraction with Na2S can be high without using auxiliaries like urea and sodium …
to obtain yield optimization of keratin extraction by sodium sulfide processing. The optimization …

… hair waste for extracting keratin by the application of different chemical treatments such as
sodium hydroxide, sodium sulfide, mercaptoethanol, cysteine, sodium metabisulfite with urea (…

… In this paper, sodium sulphide was used to dissolve human hair to obtain superior dissolution
rate and the extraction rate of keratin. The dissolution rate, keratin extraction yield and the …