Fig. 1. Microscopic images of Kaow Dawk Mali 105 (KML) and Sanpatong 1 (SPT) rice kernel surface cracks at various degrees (e.g., 0% ¼ no surface crack, no dark violet lines; 50% ¼ intensity/number of dark violet lines is a half of 100%-crack degree; and
100% ¼ fully surface cracks, fully filled with dark violet lines). (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)