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International Journal of Interdisciplinary Research

Table 1 Comparison of reducing power of persimmon peel extract and sodium dithionite

From: Application of persimmon (Diospyros kaki L.) peel extract in indigo dyeing as an eco-friendly alternative reductant

Reducing agent Redox potential (mV) K/S H V/C
Persimmon peel extract
 0.75 g − 570 7.07 3.6 PB 3.9/5.1
 1.50 g − 600 11.52 3.8 PB 3.3/4.7
 3.00 g − 620 13.64 4.2 PB 3.0/4.4
Sodium dithionite
 0.45 g − 550 20.47 5.3 PB 1.9/2.7
 1.00 g − 600 22.48 6.0 PB 1.7/1.9