Characterizing Wool Keratin

Figure 1

Untreated wool and keratin products from keratin preparations from alkaline hydrolysis: (a) wool fiber; (b) 8 M urea, 1 N NaOH; (c) descaled, smoothed fibers after exposure to 0.5 N NaOH charged with NaOH/H₂O₂; (d) lyophilized powder of keratin hydrolysate product from apparent fractured cuticle and cortical cells.

(a)

(b)

(c)

(d)