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@INPROCEEDINGS{Junker:856818,
author = {Junker, Laura and Genzel, Franziska and Büchsenschütz,
Jana and Thiele, Björn and Schurr, Ulrich and Usadel,
Björn and Wormit, Alexandra and Wiese-Klinkenberg, Anika},
title = {{T}ailoring of plant secondary metabolism in horticultural
plant residuals by targeted stress application},
reportid = {FZJ-2018-06159},
year = {2018},
abstract = {Session 9. Valorization of bio-based industrial side
streamsThe production of vegetables and fruits in
greenhouses leaves large amounts of residual plant biomass
behind, which represents a potential resource for the
extraction of valuable secondary metabolites such as
flavonoids. Various abiotic stresses induce selectively the
biosynthesis of different secondary metabolites in plants.
An application of targeted stress treatments in production
greenhouses after the last fruit harvest could therefore
increase the concentration of specific secondary metabolites
in residual plants. Thereby, residual horticultural plant
biomass is valorized, as it could be used for the extraction
of valuable metabolites. In order to identify stress
conditions that induce the accumulation of different
valuable secondary metabolites, we measured the content of
secondary metabolites of young tomato and bell pepper plants
subjected to various abiotic stress treatments. In the
projects InducTomE and TaReCa, we investigated the
inducibility of selected flavonoids which are of interest
due to their antioxidant potential and their bioactive
properties, and of the polyisoprenoid solanesol.
Additionally, metabolite screenings will be performed to
discover further target metabolites of high value and
industrial relevance. Thereby, we unfold the full potential
of the plant residuals as source of secondary metabolites.
To facilitate the implementation of stress treatment
protocols in greenhouses and to allow a quality control of
the valorized plant biomass, easy-to-use plant phenotyping
technologies for the quantification of plant stress
responses will be developed. In collaboration with project
partners working on gene expression and metabolite analyses,
transfer of induction protocols to commercial-like
greenhouses, efficient extraction technologies, and an
economic evaluation of the secondary metabolites extracted
from residual plant biomass, we will demonstrate a
proof-of-concept for the proposed valorization process. The
proposed valorization and utilization of plant residuals for
the extraction of valuable secondary metabolites will
contribute to an increased sustainability in horticultural
food production.},
month = {Sep},
date = {2018-09-18},
organization = {Bioflavour 2018 - Biotechnology of
Flavours, Fragrances and Functional
Ingredients, Frankfurt (Germany), 18
Sep 2018 - 21 Sep 2018},
subtyp = {Other},
cin = {IBG-2},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {582 - Plant Science (POF3-582)},
pid = {G:(DE-HGF)POF3-582},
typ = {PUB:(DE-HGF)24},
url = {https://juser.fz-juelich.de/record/856818},
}