Test methods7.1 Macroscopic identification7.1.1 Appearance identificationObserve the shape, surface features and surface color of the sample under natural light. Determine whether the sample meets the requirements described in 5.1.1. If not, the subsequent tests may be stopped.7.1.2 Odour and taste identificationSniff directly or break off, take a small amount of direct taste. Determine whether the sample meets the requirements described in 5.1.2. If not, the subsequent tests may be stopped.7.1.3 Section identificationObserve the section features and section colour of the sample under natural light. Determine whether the sample meets the requirements described in 5.1.3. If not, the subsequent tests may be stopped