选购提示1.观外形。优质粗粮鲜艳有光泽,大小均匀,不发芽。以谷物为例,优质谷米有光泽,米粒大小均匀,很少有碎米,米粒上少有裂纹,不含杂质。劣质谷米色泽暗淡,大小不匀,有结块。优质豆类和薯类也应有光泽,不发芽,表皮光滑且颗粒饱满,整齐均匀,无缺损或霉变。颗粒瘦瘪、不完整的多为劣质品。 Buy Tips 1. Outlook shape. High-quality coarse grains bright luster, uniform size, not sprouting. In grains, for example, high-quality polished rice, rice, uniform size, very few broken rice, few cracks on the grain, free of impurities. Poor quality dark brown rice, uneven size, there is agglomeration. Good quality beans and yams should also be shiny, non-germinating, smooth skin and full grains, neat and uniform, no defects or mildew. Particle deflated, incomplete, mostly inferior products.