The influence of components contributing to the colour and brightness of flour, flour paste and Chinese and Japanese style noodles has been investigated. Differences in brightness and yellowness were attributable to wheat cultivar, milling extraction rate, protein content, starch damage and brown and yellow pigments.

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: Viscograph paste viscosity parameters of starches isolated from 42 wheat varieties were highly correlated with each other and with measures of the quality of the derived Japanese white salted noodles. Better correlations with noodle quality were obtained when measurements o f wheat protein and grain hardness (PSI) as well as a starch viscosity parameter were included in the regression equations.

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The starch swelling power tests have been reported to be a promising method for predicting the eating quality of Japanese white salted noodles. The relationships between starch swelling power and noodle eating quality were examined for a range of commercial Australian‐wheat cultivars from two growth seasons. Starch swelling power was found to be dependent on the cultivar, growth site and growth season of the wheat. Analyses of the first season's samples showed highly significant relationships between swelling power and most noodle quality parameters (r2 = 0.16–0.45, p<0.01). the inclusion of wheat protein and wheat softness (PSI) with starch swelling power in multiple regression equations provided improved relationships to most noodle quality parameters (r2 = 0.25–0.62, p<0.01). When tested on data from the second growth season, the predictions were useful, especially for the noodle parameters elasticity and eating quality.