That’s it, you don’t have to worry. Tremella itself is white when it grows on the nutrient base. When it grows at a certain temperature and relatively high humidity, the Tremella will grow one by one, crystal clear. That’s why it’s called Tremella fuciformis. When Tremella fuciformis lacks water, or is dried in the sun, air, or oven, it will turn slightly yellow. The roots are already yellow, so when they dry, they become more yellow than the leaves. If you soak it in water, It has returned to its original color, which is white and transparent, so you don’t have to worry. The smell you said after soaking is very strong. In fact, it is the smell of Tremella when it was harvested. It has not been washed after harvesting, and then dried directly. It is normal to smell after washing. The so-called sulfur fumigation is to put a small dish of dragon yellow in the drying oven. After drying, the white fungus will turn white, not so yellow, but the color of white fungus is more beautiful. Dragon Yellow is actually It is only distilled a little bit, but for the sake of health, you still have to pay attention when buying it. It is best to buy slightly yellow ones, but generally, those who grow white fungus will put some sulfur when drying. Only in this way can they be sold. After all, If you bake it yellow, you won't be able to sell it. People only care about your good looks. In fact, no matter what formal company or manufacturer produces it, it is useless, because Tremella is grown in farmers' homes, and it must be planted immediately after harvesting. Drying, otherwise the white fungus will rot quickly, so no matter which manufacturer buys it, it has been processed or unprocessed, and few people buy it when it is put in a bag and turns yellow