Kinetic Models for Glucosamine Production by Acid Hydrolysis of Chitin in Five Mushrooms

Table 1

The chitin content, glucosamine yield, and conversion of five mushrooms under optimum conditions.

Mushroom	Chitin content (mg/g DM)	Glucosamine yield (mg/g DM)	Glucosamine yield (g/g chitin)	Conversion (%)
Enoki mushroom	26.43 ± 1.2061	25.2615 ± 1.2479^b	0.9558	93.00
Oyster mushroom	27.03 ± 0.0070	26.9934 ± 0.4778^b	0.9986	97.17
Straw mushroom	57.83 ± 2.3227	56.8132 ± 3.5748^d	0.9824	95.59
Shiitake	38.52 ± 1.7264	37.4460 ± 1.1173^c	0.9721	94.59
Wood ear mushroom	12.96 ± 1.0074	12.3593 ± 1.1899^a	0.9536	92.79

Hydrolysis conditions: dry mushroom sample; ratio of raw material to acid volume, 1 : 10; sulfuric acid concentration, 6 M; hydrolysis temperature, 100°C; and time, 6 h.