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J Sci Food Agric. 2015 Mar 30;95(5):869-77. doi: 10.1002/jsfa.6789. Epub 2014 Jul 21.

Effects of light quality on the accumulation of phytochemicals in vegetables produced in controlled environments: a review.

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Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Science, 100081, Beijing, P.R. China; Key Lab. of Energy Conservation and Waste Management of Agricultural Structures, Ministry of Agriculture, 100081, Beijing, P.R China.


Phytochemicals in vegetables are important for human health, and their biosynthesis, metabolism and accumulation are affected by environmental factors. Light condition (light quality, light intensity and photoperiod) is one of the most important environmental variables in regulating vegetable growth, development and phytochemical accumulation, particularly for vegetables produced in controlled environments. With the development of light-emitting diode (LED) technology, the regulation of light environments has become increasingly feasible for the provision of ideal light quality, intensity and photoperiod for protected facilities. In this review, the effects of light quality regulation on phytochemical accumulation in vegetables produced in controlled environments are identified, highlighting the research progress and advantages of LED technology as a light environment regulation tool for modifying phytochemical accumulation in vegetables.


LEDs (light-emitting diodes); light quality; phytochemicals; secondary compounds; vegetables

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