?url_ver=Z39.88-2004&rft_id=10.1021%2Fjf901267z&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Forgprints.org%2Fid%2Feprint%2F26386%2F&rft.title=Influence+of+the+Production+Method+on+Phytochemical+Concentrations+in+Whole+Wheat+(Triticum+aestivum+L.)%3A+A+Comparative+Study&rft.creator=Stracke%2C+Berenike+A.&rft.creator=Eitel%2C+Joachim&rft.creator=Watzl%2C+Bernhard&rft.creator=M%C3%A4der%2C+Paul&rft.creator=R%C3%BCfer%2C+Corinna+E.&rft.subject=+Cereals%2C+pulses+and+oilseeds&rft.subject=+Soil&rft.description=The+present+study+was+performed+to+evaluate+the+concentrations+of+phytochemicals+(carotenoids+and+phenolic+acids)+in+wheat+varieties+grown+under+comparable+organic+and+conventional+conditions+over+three+years+as+part+of+a+long-term+field+trial.+Phenolic+acids+of+the+hydroxybenzoic+acid+and+hydroxycinnamic+acid+group+were+quantified+by+HPLC-DAD+after+extraction+as+free%2C+soluble+conjugated%2C+and+bound+forms.+Furthermore%2C+the+carotenoids+lutein+and+zeaxanthin+were+determined+by+HPLC-DAD.+There+were+no+statistically+significant+differences+between+the+two+farming+systems+(sum+of+carotenoids+(microg%2Fg)+for+2003%2C+0.91+%2B%2F-+0.55+organic+vs+0.96+%2B%2F-+0.34+conventional%3B+for+2005%2C+1.61+%2B%2F-+0.22+organic+vs+1.33+%2B%2F-+0.19+conventional%3B+for+2006%2C+0.87+%2B%2F-+0.33+organic+vs+0.83+%2B%2F-+0.11+conventional%3B+sum+of+phenolic+acids+(microg%2Fg)+for+2003%2C+448.4+%2B%2F-+151.1+organic+vs+327.3+%2B%2F-+232.8+conventional%3B+for+2005%2C+502.8+%2B%2F-+168.3+organic+vs+484.4+%2B%2F-+111.2+conventional%3B+for+2006%2C+659.1+%2B%2F-+112.5+organic+vs+945.9+%2B%2F-+353.6+conventional).+However%2C+statistically+significant+year-to-year+differences+up+to+55%25+were+observed.+Taken+together%2C+these+results+indicate+that+climate+factors+have+a+greater+impact+on+the+phytochemical+concentrations+in+whole+wheat+than+the+production+method+(organic%2Fconventional).&rft.date=2009&rft.type=Journal+paper&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=%2Fid%2Feprint%2F26386%2F1%2FStracke_etal_2009_JAFC57.pdf&rft.identifier=+++Stracke%2C+Berenike+A.%3B+Eitel%2C+Joachim%3B+Watzl%2C+Bernhard%3B+M%C3%A4der%2C+Paul+and+R%C3%BCfer%2C+Corinna+E.+++(2009)+Influence+of+the+Production+Method+on+Phytochemical+Concentrations+in+Whole+Wheat+(Triticum+aestivum+L.)%3A+A+Comparative+Study.+++Journal+of+Agricultural+and+Food+Chemistry%2C+57+(21)%2C+pp.+10116-10121.++++++++&rft.relation=10.1021%2Fjf901267z&rft.identifier=10.1021%2Fjf901267z&rft.doi=10.1021%2Fjf901267z