1. The packaging of green fruits and vegetables should have production license, nutrient composition table and other related materials, the font should be clear and the printing quality should be high. If there is no such information on the package or the font is ambiguous, it may be a fake.

2, color: the color of the regular green fruit and vegetable chips should be natural, not too bright or too dark. If the color is too obvious or unnatural, it may be fake.