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Title:   Author  item
                                            Bai, Jinheitem
                                            Baldwin, Elizabeth

                                                         - *Liz*
  Submitted to: Florida State Horticultural Society Meeting
                                    Publication Type: Abstract Only
                                    Publication Acceptance Date: 5/3/2008
                                    Publication  Date: 5/7/2008
                                    Citation: Bai, J., Baldwin, E.A. 2008. The use of 1-methylcyclopropene (1-MCP) on fresh-cut fruits and vegetables. Florida State Horticultural Society Meeting. Paper No. HP12.Interpretive Summary:
                                Technical Abstract: 1-Methylcyclopropene (1-MCP) is an analogue of ethylene, which occupies ethylene receptors such that ethylene cannot bind and elicit action. Currently, 1-MCP has been applied either before or after cutting by fumigation in a sealed room or container. Response of fresh-cut products to 1-MCP treatment depends on type of crop, maturity or ripening stage and 1-MCP dose, exposure time, temperature and duration. Generally, 1-MCP treatment reduces ethylene production and respiration rate, delays senescence of produce, shown as reduced softening, discoloration, and electrolyte leakage if 1-MCP was applied properly. A drawback caused by 1-MCP application is loss of aromatic flavor. Influence of 1-MCP on microbial growth and decay has not been consistent; it may negatively influence plant defense systems to increase decay, on the other hand, may decrease decay by slowing ripening. Plants which produce ethylene when ripening or wounding and are sensitive to ethylene have a better response to 1-MCP exposure. Most crops respond to 1 μL L-1 or lower dosage of 1-MCP, a registered safe level in the United States. However, some crops may need higher dosage. Application before the climacteric stage is critical for some climacteric crops, such as honeydew. For some fruit, pre-cutting application had a better effect, but others prefer post-cutting application. Non-target materials, such as packaging box and polyliner may absorb 1-MCP which influences the amount of 1-MCP delivered to produce target. New approaches such as 1-MCP release film and 1-MCP-modified atmosphere packaging systems have been developed.


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