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Tailoring of secondary metabolism in horticultural residuals and cascade utilization for a resource efficient production of valuable bioactive compounds (TaReCa)

The project TaReCa is funded by the Federal Ministry of Research and Education and evaluates the potential of biomass residues of bell pepper production as a resource of bioactive leaf compounds. Based on the BioSC project InducTomE, the working groups IBMG and AVT, RWTH Aachen, IBG-2, Forschungszentrum Jülich as well as ILR and INRES Horticultural Science, University of Bonn, continue their cooperation with Dr. Alexandra Wormit, IBMG RWTH Aachen as coordinator.

At the IBG-2, young bell pepper plants will be analyzed under controlled stress conditions aiming towards an enhanced accumulation of flavonoids, e.g. cynaroside and graveobioside A. At the Campus Klein-Altendorf and at the INRES Horticultural Science, effective stress treatments will be implemented in commercial-like greenhouses and physiological effects on reproductive bell pepper plants will be evaluated on the level of leaf and fruit yield. Obtained leaf material from these experiments will be analyzed regarding transcriptional and metabolic alterations in plants as well as abiotic induced changes in biosynthetic pathways at the IBMG. The establishment and optimization of the extraction and processing procedure will be conducted by the Fluid Process Engineers, while bio-economists of the ILR evaluate the market potential of leaf compounds for utilization in the pharmaceutical, cosmetical or dietary sector. Validation experiments in greenhouses under commercial conditions can be conducted at the test center Straelen of the Chamber of Agriculture NRW.

The scientific work of TaReCa will be accompanied by an advisory board consisting of representatives of the Chamber of Agriculture NRW, Symprise AG, Trifolio-M and Gartenbau Hoffmann.

This interdisciplinary research approach with the support of the advisory board will evaluate the potential of horticultural biomass residues as a source of valuable leaf compounds.
 

Coordination: Dr Alexandra Wormit, Prof Björn Usadel, RWTH Aachen
Project duration: November 2017 until October 2020

Project partners:

  • Dr A. Wormit, Dr Julia Jessica Reimer, Prof B. Usadel, Institute of Biology I (IBMG), RWTH Aachen
  • Dr A. Wiese-Klinkenberg, Dr B. Thiele, Dr F. Genzel, IBG-2 Plant Sciences, Forschungszentrum Jülich GmbH
  • Dr S. Schmittgen, Prof G. Noga, INRES-Horticultural Science, University of Bonn
  • Dr L. Carraresi, J. Wensing, Prof S. Bröring, Institute for Food and Resource Economics (ILR), University of Bonn
  • M. Lück, Prof A. Jupke, Fluid Process Engineering (AVT), RWTH Aachen
     

Advisory Board:

  • Mr. Gallik, Mr. Schlüpen, Landwirtschaftskammer NRW, Versuchszentrum Gartenbau Straelen/Köln-Auweiler H
  • Mr. Treutwein, Triolio-M GmbH
  • Mr. Dr. Ley, Symrise AG
  • Mr. Hoffmann, Gartenbau Hoffmann
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