Bulletin of the Faculty of Science-University of Alexandria. 1993; 33[A]: 56-70
Dans Anglais
| IMEMR
| ID: emr-27566
ABSTRACT
The changes in phenolic acids. [-]-epicatechin and tannins during germina ion of Ricinus communis L. under various light treatments were studied. Under the light/dark photoperiod, phenolic acids, [-]-epicatechin and tannins were first detected only towards the last stages of germination. Continuous illumination with white or fluorescent light promoted the production of phenolic acids and tannins by Ricinus seedlings. On the other hand, previous exposure of the seedlings to red light enhanced the formation of phenolic acids and tannins, whereas blue light inhibited their biosynthesis. During the different stages of germination under all light treatments, roots contained no or only trace amounts;henolic acids and tannins
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Indice:
Méditerranée orientale
Sujet Principal:
Ricinus
langue:
Anglais
Texte intégral:
Bull. Fac. Sci.-Univ. Alex.
Année:
1993
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