Abstract
Near infrared spectroscopy (NIR) was applied to the prediction of the growth rate of mushroom, Ganoderma lucidum, in the solid fermentation process. In order to produce a calibration equation, Spectral data of solid medium were analyzed by multiple linear regression with a computer. Cell mass is conventionally measured by analyzing concentration of glucosamine which is a component of the cell wall. The concentration of glucosamine obtained by NIR was compared with that obtained by the conventional method. The values predicted by NIR were fairly in good agreement with those obtained by the conventional method. This result suggests that the NIR is applicable to prediction of growth rate in the solid culture and gives a useful method for the process management of mushroom production.
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