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| Mechanism of chilling tolerance induced byheat treatment in fruits and vegetables |
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| Abstract: |
| Low temperature storage is the most effective and widely used postharvest technique in fruits and
vegetables. But some fruits and vegetables which are sensitive to low temperature are easy to occur chilling injury
symptoms in cold storage，causing heavy loss in postharvest fruits and vegetables. Heat treatment is a safe and efficient
physical treatment，has been widely applied in the chilling tolerance of fruit and vegetables. At present，most studies
focused on the effects of heat treatment on postharvest storage quality and postharvest physiological and biochemical
characteristics in fruits and vegetables. However，the mechanism of chilling tolerance induced by heat treatment as
well as the key signal pathway in fruits and vegetables is unclear. In this paper，the mechanism of chilling tolerance
induced by heat treatment in fruits and vegetables was analyzed. Chilling tolerance induced by heat treatment in fruits
and vegetables could be related to membrane integrity，ROS signaling，heat shock protein，arginine pathways and sugar
metabolism. These factors have a common characteristic that，heat treatment induces enhancement of antioxidant enzyme
system activity，maintains membrane integrity，thereby improves the cold resistance of fruits and vegetables |
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