... 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 is ... shine, much more smooth, no salt, no sand.grade B is shallow green, have gloss on both sides, ... dead spots, no impurities, no salt, no sandgrade D is green, have little shine, there are much serious ...