Metabolic analysis of Vigna unguiculata sprouts exposed to different light-emitting diodes

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Abstract

In order to determine the effect of light-emitting diodes (LEDs) on plant metabolism, the present study examined the primary and secondary metabolite profiles of Vigna unguiculata L. Walp. sprouts that were exposed to red, blue, white, or a combination of red and blue LEDs using high-performance liquid chromatography (HPLC), electrospray ionization-mass spectrometry (ESI-MS), gas chromatography-mass spectrometry (GC-MS), and gas chromatography time-of-flight mass spectrometry (GC-TOF-MS). A total of 39 hydrophilic compounds were identified and quantitated using GC-TOF-MS, and six phenylpropanoids and six carotenoids were quantified using HPLC. The plants grown under blue LED light contained the highest level of total carotenoids (253.72 ± 17.27 μg/g) and phenylpropanoids (2600.51 ± 4.90 μg/g). Thus, the current study provides a new approach for enhancing the carotenoid and phenylpropanoid production of V. unguiculata.

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Yeo, H. J., Park, C. H., Lee, K. B., Kim, J. K., Park, J. S., Lee, J. W., & Park, S. U. (2018). Metabolic analysis of Vigna unguiculata sprouts exposed to different light-emitting diodes. Natural Product Communications, 13(10), 1349–1354. https://doi.org/10.1177/1934578x1801301029

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