AI Article Synopsis
- The study examines the pigments responsible for the varying petal colors in different rapeseed cultivars.
- 543 metabolites were analyzed, identifying flavonols, flavones, and anthocyanidins as key contributors to petal coloration.
- Specific compounds were linked to specific colors, with various flavonoid derivatives driving the differences in coloration among white, yellow, pink, purple, and red rapeseed petals.
Article Abstract
Rapeseed's ( L.) colorful petals have important ornamental values. However, the mechanisms of regulating petals coloration in rapeseed are still unknown. In our study, we investigated the key differential coloring substances in nine rapeseed cultivars with different petal colors, and 543 metabolites were detected and characterized through UPLC-HESI-MS/MS. Among them, the kinds and contents of flavonols, flavones, and anthocyanidins were the main contributors to petals' coloration. Tamarixetin-, quercetin-, butin-, naringenin- and luteolin-derivates were the main pigment bases in white and yellow petals. Peonidin-3,5--diglucoside, peonidin-3--(6″--caffeoyl)glucoside, and quercetin-derivatives were the main coloring substances in pink petals. Acylated cyanidin derivatives might lead to a series of different purple petal colors. Glycosylated anthocyanins were responsible for the coloration of rapeseed red petals, and peonidin-3--glucoside and kaempferol-derivatives were mainly detected from the red petals. These results provide comprehensive insights into the difference in flavonoid metabolites in rapeseed petals with different colors and supply theoretical supports for the breeding of novel colorful rapeseed cultivars.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10419860 | PMC |
| http://dx.doi.org/10.3390/molecules28155670 | DOI Listing |
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