Corpus ID: 59034272

Changes in quercetin and kaempferol concentrations during broccoli head ontogeny in three broccoli cultivars

@article{Krumbein2007ChangesIQ,
  title={Changes in quercetin and kaempferol concentrations during broccoli head ontogeny in three broccoli cultivars},
  author={Angelika Krumbein and Heidi Saeger-Fink and Ilona Schonhof},
  journal={Journal of applied botany and food quality},
  year={2007},
  volume={81},
  pages={136-139}
}
Three broccoli cultivars – spear broccoli ‘Emperor’, crown broccoli ‘Marathon’ and violet broccoli ‘Viola’ – were harvested during head ontogeny from start of head development until over maturity stage (five stages) in three different years. The aglycones quercetin and kaempferol were analysed at optimised conditions of acid hydrolysis by HPLC. Heads of over maturity stage had the highest contents of quercetin and kaempferol. However, the genotype fundamentally determined the quantity and… Expand

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