| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and a device for simply retaining the freshness of post-harvest fruits and vegetables such as strawberries, tomatoes, broccoli, and grapes.SOLUTION: The invention includes a freshness retention method in which red light and far-infrared light are irradiated to fruits and vegetables simultaneously or alternately, and a freshness retention method in which the total light intensity of the red light and the far-infrared light is made to be at least 1.8 W/meven immediately below the light source, and the light intensity ratio of the far-infrared light to the red light is made to be a value in the range of 0.5-2. A freshness retention device used in the freshness retention methods includes a storehouse for storing fruits and vegetables, and an illumination device provided in the storehouse, including a first light source for irradiating the red light to fruits and vegetables, and a second light source for irradiating the far-infrared light to fruits and vegetables.SELECTED DRAWING: None |
