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- Lücker, Joost, et al. Show all 5 Authors
- Journal of the science of food and agriculture 2016 v.96 no.1 pp. 140-149
- Zea mays; beverages; corn; cultivars; dietary supplements; mushrooms; odors; patients; phenylalanine; phenylalanine ammonia-lyase; phenylketonuria; roots; seedlings; sensory evaluation
- ... BACKGROUND: Seedling roots of anthocyanin‐rich corn (Zea mays) cultivars contain high levels of phenylalanine ammonia lyase (PAL) activity. The development of a natural dietary supplement containing corn roots could provide the means to improve the restrictive diet of phenylketonuria (PKU) patients by increasing their tolerance to dietary phenylalanine (Phe). Therefore this research was undertaken ...
- Lücker, Joost, et al. Show all 3 Authors
- Phytochemistry 2010 v.71 no.13 pp. 1474-1484
- Vitis vinifera; wine grapes; methyltransferases; enzyme substrates; anthocyanins; flavonols; color; ripening; methylation; messenger RNA; gene expression; plant pigments; complementary DNA; nucleotide sequences; enzyme activity; enzymatic reactions; chemical structure; phylogeny
- ... At ripening initiation in red grapevine (Vitis vinifera) berries, the exocarp turns color from green to red and then to purple due to the accumulation and extent of methylation of anthocyanins. The accumulation of transcripts encoding an O-methyltransferase was recently shown to be closely correlated with the onset of ripening and the degree of blue/purple pigmentation in grapevine berries; howeve ...
- Lücker, Joost, et al. Show all 6 Authors
- Cryobiology 2014 v.68 no.3 pp. 436-445
- Zea mays; cell walls; corn; cryoprotectants; digestion; enzyme activity; essential amino acids; freezing; humans; in vitro digestion; maple syrup; oligosaccharides; phenylalanine; phenylalanine 4-monooxygenase; phenylalanine ammonia-lyase; phenylketonuria; plant tissues; proteolysis; roots; seedlings; storage; thawing; therapeutics
- ... Phenylketonuria (PKU) is an inherited metabolic disorder caused by deficient phenylalanine hydroxylase (PAH) activity, the enzyme responsible for the disposal of excess amounts of the essential amino acid phenylalanine (Phe). Phenylalanine ammonia-lyase (PAL, EC 22.214.171.124) has potential to serve as an enzyme substitution therapy for this human genetic disease. Using 7-day-old Japanese Striped corn s ...