1. odor: fresh konjac has a slight alkaline odor, but there is no rotten smell or other peculiar smell. If you smell the konjac with peculiar smell, it looks bad and you can't eat it any more, so as not to be harmful to your health.

2, look at the texture: konjac in a fresh state, the texture is fresh and elastic. If it dries, like jelly, it is probably caused by water loss. At this time, the taste of konjac will go bad, so it is not recommended to continue eating.

3, taste: konjac itself has no special taste, such as sour taste, bitter taste, astringent taste and other strange tastes, konjac may have been broken, can not eat.

What should konjac do if it hardens after freezing? It can be restored after thawing.

Cut the konjac tofu into strips about one centimeter wide, then pour them into fresh-keeping bags, drain the water, tie the fresh-keeping bags tightly, and put them into the freezer. This kind of konjac tofu will not go bad after three months or even a year, but the frozen konjac will harden and need to be thawed with a little edible salt, and it will return to a soft state after returning to normal temperature.

How much you lose a month after eating konjac varies from person to person.

100g konjac flour has only 4 calories, and its fat content is almost negligible, which completely meets the national standard of fat-free food with fat content less than 0.5g/ 100g. Sticking to eating konjac for a month will probably lose weight 10 kg. However, if you only eat konjac, you will lose weight by dieting. Although the slimming effect is obvious, people are prone to malnutrition for a long time, right?