1, replace it with fruit and vegetable powder bought online, and don't be greedy for cheap. Now fruit and vegetable powder is not cheap, and vegetables taste very heavy, which is not good for your health at all.

These vegetables and juice should be scalded with hot water before they are used again. This is also said by a friend who runs a juice shop. Like apple juice, it is very easy to oxidize, so they will boil it with water in advance.

3. When the flour and juice are mixed, add a little alkali to the flour.