... iii.ocean scent iv.low in energy Grade A, B, C, D of roasted seaweed can be distinguished ... from the color, luster, shape, texture, etc.as follows:grade A ... shine, much more smooth, no salt, no sand.grade B is shallow green, have gloss on both sides ... no impurities, delicious tasty, no salt, no sandgrade C is green, have little wrinkles and dead spots, no ...