The invention relates to a process for prolonging the fresh-keeping time of vegetables and fruits at normal temperature. The process comprises the following steps: step 1, pretreatment: soaking and washing picked fruits or vegetables with
saline water; step 2, preparing an antibacterial membrane solution: preparing a ZIF precursor; then,
tannic acid is used for treatment, and ETCH-ZIF
powder is obtained; then
hesperetin is added for treatment, and Q-ETCH-ZIF
powder is obtained; finally, adding a
casein solution for treatment to obtain an antibacterial film solution; and 3,
coating and packaging. The invention discloses a fresh-keeping process of vegetables and fruits, which comprises the following steps of: cleaning and
drying the fruits or the vegetables, treating the fruits or the vegetables with antibacterial film liquid, and sealing the fruits or the vegetables in an air-free fresh-keeping bag, so that the preservation time of the vegetables and the fruits at normal temperature can be prolonged.