Table 2. Occurrence condition and appearance symptoms of postharvest injuries in perilla leaves

Injury Occurrence condition Symptoms
Freezinginjury ■ unpacking: -1℃, after 1day■ packing: -1℃, after 3-4 days ■ color: translucent
■ symptom: no wilting
■ lesion: whole
Chillinginjury ■ below5℃, after 1day■ packing: below 2-3℃ ■ color: dark black
■ symptom: no wilting
■ lesion: sporadic
Grey mold(Botrytis Cinerea) ■ all storage temperature ■ color: translucent
■ symptom: wilting, tissue collapse, water soaked lesion
■ lesion: sporadic, mainly on the leaf veins