Changes in chemical composition, such as carbohydrate, protein, fat ,pigments and volatile, so the quality of fresh produce decreased. Not lead to consumer acceptance. The chemical composition of the vegetation has changed as the creation and dissolution of pigments. The reduction of sugar, taste changes, and increased fiber. The leaves will change color to yellow. After the harvest is only 3-5 days at a temperature of 7 ℃ leaves as vegetables with chlorophyll decomposes very slowly at a temperature of 7 ℃ signs of deterioration of the vegetable after storage at low temperatures for long. 15 days, most of the leaves show signs of deterioration, immediately remove it from the bag. Storage of vegetables for 15 and 20 days at 7 ℃, the leaves show chilling injury. There is a small black spots scattered over the entire term leaves. And the signs are intensified when stored longer. But not in chilling injury leaf vegetables. Stored at 13 and 20 ℃ showed unusual smell. Smell like fermented vegetables that happen to slip through 7 ℃ storage temperature for a period of 15 days onwards.