Research Progress on the Use of LEDs to Ripen Fruits
LED light sources,or light emitting diode,are emerging as a novel light source for fruit ripening treatments. They promote the ripening process of fruits by emitting light at specific wavelength through the LEDs. Studies have shown that red and blue light are key light qualities affecting fruit ripening. They accelerate the accumulation of sugars and the degradation of organic acids in fruits by regulating the production and action of the phytohormone ethylene,thereby improving the flavor and taste of fruits. Additionally,LED lighting promotes the synthesis of pigments,accelerates the change of fruit color and enhances the aesthetic quality of the product. In addition,the controllability of LED light sources provides a high degree of flexibility and precision in the ripening process,helping to meet the specific ripening needs of different fruits. This review focuses on the basic principles of LED-induced ripening,the research progress of LED fruit ripening,and anticipates that its application in the fruit industry will become increasingly widespread.
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