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Table 2 Effect of various reducing substances on the yield of keratin extracted for 2 h from chicken feathers

From: Alternative Methods of Preparation of Soluble Keratin from Chicken Feathers

Reducing substance

Keratin yield [%]1

2-mercaptoethanol

83.8 ± 0.25a

Sodium bisulphite

82.4 ± 0.12b

Sodium m-bisulphite

62.9 ± 1.00d

DTT

77.6 ± 1.40c

  1. 1 Results are expressed as means of four measurements ± standard deviation. The values in a column marked with various letters differ significantly (p < 0.05)
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