Light modulation of volatile organic compounds from petunia flowers and select fruits |
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| Institution: | 1. Department of Environmental Horticulture, University of Florida, Gainesville, FL 32611, USA;2. Horticultural Sciences Department, University of Florida, Gainesville, FL 32611, USA;3. Graduate Program for Plant Molecular and Cellular Biology, Gainesville, FL 32611, USA;4. Graduate Program for the Plant Molecular Breeding Initiative, Gainesville, FL 32611, USA;1. Faculty of Science and Technology, Free University of Bozen-Bolzano, Piazza Università 5, 39100 Bolzano, Italy;2. Research and Innovation Centre, Fondazione Edmund Mach (FEM), Via E. Mach 1, 38010 San Michele all''Adige, Italy;3. School of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, 02138 Cambridge, Massachusetts, USA;4. USDA, Agricultural Research Service, 5230 Konnowac Pass Rd, 98951 Wapato, Washington, USA;1. Department of Biological and Environmental Sciences, Faculty of Agriculture, Shizuoka University, 836 Ohya, Suruga, Shizuoka 422-8529, Japan;2. Department of Citrus Research, National Institute of Fruit Tree Science, Kuchinotsu, Nagasaki 859-2501, Japan;3. The United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan;4. Stanley Electric Co., Ltd. Research & Development Center, 1-3-1 Edanishi, Aoba, Yokohama, Kanagawa 225-0014, Japan;5. Stanley Electric Co., Ltd. Yokohama Technical Center, 2-14-1 Edanishi, Aoba, Yokohama, Kanagawa 225-0014, Japan;1. Faculty of Agriculture Pri?tina-Le?ak, 38219, Le?ak, Serbia;2. ARO-The Volcani Center, Postharvest Science of Fresh Produce, Israel;1. Institute of Plant Sciences, Newe Ya''ar Research Center, Agricultural Research Organization, The Volcani Center, P.O. Box 1021, Ramat Yishay, 30095, Israel;2. The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel;3. ORT Braude College, Department of Biotechnology Engineering, Karmiel, Israel;4. Institute of Plant Sciences, The Volcani Center, Agricultural Research Organization, P.O. Box 6, Rishon LeZion, 76100, Israel;5. Boyce Thompson Institute, Cornell University, Ithaca, NY 14853, USA;6. USDA-ARS Robert W. Holley Center for Agriculture and Health, Ithaca, NY 14853, USA;1. Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland;2. Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland;1. College of Food and Bioengineering, Qiqihar University, Qiqihar, 161006, China;2. College of Food Science and Engineering, Jilin University, Changchun, 130062, China |
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| Abstract: | Light intensity, duration, direction, and wavelength are informative to plants. The biochemical circuits that connect specific light wavelengths to expression of specific genes and the metabolic networks they govern have been well defined. However, little emphasis has been placed on how discrete wavelengths of light, alone or in combination, may be applied to manipulate postharvest qualities of high-value horticultural crops. Using narrow-bandwidth LED light we test the hypothesis that discrete light wavelengths can affect the accumulation of volatile compounds known to affect aroma or taste in select flower and fruit products. Volatile benzenoid/phenylpropanoid emission from petunia flowers could be altered with light application. Levels of a key floral volatile, 2-phenylethanol, increased with a red and far-red light treatment. Similar experiments demonstrated that fruit volatile profiles of tomato, strawberry, and blueberry can be manipulated with specific light treatments. These results suggest that compounds affecting sensory qualities of flowers and fruits can be modified by adjustment of ambient light conditions. These findings open new areas of inquiry about how the fragrance and flavor of flowers and fruits may be improved with simple changes in postharvest light conditions. |
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| Keywords: | Flavor Flowers Fruits Light Smell Volatiles |
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