An estimate of the quality of barley endosperm can be obtained from the proportion of light that is transmitted through the grain. Barleys with steely endosperm structure transmit more light than those with mealy endosperm structure. The LTm meter can be used to assess these grains quickly, simply and effectively. By analysing single grains of each sample it is possible to obtain an estimate of endosperm homogeneity. LTm assessments of endosperm quality and homogeneity are related to the quality of malt made from that barley as indicated by either the Calcofluor test or by the LTm meter itself. Thus the LTm meter can be used to predict malting performance from barley quality.
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Chandra et al. (2001) studied this question.
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