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Preharvest Methyl Jasmonate Treatment Affects the Mineral Profile, Metabolites, and Antioxidant Capacity of Radish Microgreens Produced without Substrate
This study investigated the impact of Methyl Jasmonate (MeJA) application on the nutritional content and yield of five different colored radish microgreens
Shimeles Tilahun, Min Woo Baek, Ki‐Seok An, Han Ryul Choi, Jong‐Hwan Lee, Su Ho Tae, Do Su Park, Jin Sung Hong, Cheon Soon Jeong
Foods · 2024 · https://doi.org/10.3390/foods13050789
Abstract
This study investigated the impact of Methyl Jasmonate (MeJA) application on the nutritional content and yield of five different colored radish microgreens. Microgreens were produced without substrate and subjected to 0.5 mM and 1.0 mM MeJA treatments on the 7th day, three days before harvest. The parameters measured included yield, dry matter, minerals, amino acids, secondary metabolites such as chlorophylls (Chls), anthocyanins, flavonoids, phenolics, glucosinolates (GSLs), vitamin C, and antioxidant capacity. MeJA at 1.0 mM generally improved yield and dry weight across cultivars, and all microgreens exhibited rich mineral and amino acid composition, with the influence of cultivar being more significant than MeJA treatment. However, MeJA enhanced all cultivars’ anthocyanins, GSLs, phenolics, flavonoids, and antioxidant activities. Generally, as the antioxidant capacity is the primary factor influencing the nutritional quality of microgreens, MeJA-treated microgreens, especially with selected superior cultivars such as ‘Asia purple’ and ‘Koregon red’, could offer a potential for cultivation of value-added, eco-friendly microgreens with substrate-free cultivation.
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How to credit this work
Shimeles Tilahun; Min Woo Baek; Ki‐Seok An; Han Ryul Choi; Jong‐Hwan Lee; Su Ho Tae; Do Su Park; Jin Sung Hong; Cheon Soon Jeong (2024). Preharvest Methyl Jasmonate Treatment Affects the Mineral Profile, Metabolites, and Antioxidant Capacity of Radish Microgreens Produced without Substrate. Foods. https://doi.org/10.3390/foods13050789 Licensed under Creative Commons Attribution 4.0 (https://creativecommons.org/licenses/by/4.0/). Hosted by EVEC Athens (microgreens.org.gr). No changes were made to this article. Provided as-is, without warranties. EVEC Athens is not affiliated with, and this copy is not endorsed by, the authors or the publisher.
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