?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Measuring+food+quality%3A+concepts%2C+methods+and+challenges+-+Proceedings+seminar+February+2007&rft.subject=+Food+security%2C+food+quality+and+human+health&rft.description=From+12+to+14+February%2C+the+Louis+Bolk+Instituut+organised+the+3rd+annual+QLIF+workshop%2C+titled+%C3%A2%C2%80%C2%9CMeasuring+food+quality%2C+concepts%2C+methods+and+challenges%C3%A2%C2%80%C2%9D.+During+these+days+a+diverse+and+intensive+program+was+presented.+Participants+came+from%2C+Belgium%2C+Bulgaria%2C+Germany%2C+Greece%2C+Hungary%2C+Macedonia%2C+Poland%2C+Turkey.++Participants+were+all+very+enthusiastic%2C+both+on+the+quality+of+the+presentations+and+the+total+program.+For+all+those+of+you+who+missed+it%2C+I+give+a+brief+impression.%0D%0A%0D%0AOn+the+first+day+definitions+of+food+quality+were+discussed+as+well+as+the+methods+to+measure+this+quality.+Machteld+Huber+explained+the+inner+quality+concept%2C+developed+by+the+Louis+Bolk+Instituut.+This+inner+quality+concept+is+based+on+two+main+life+processes+in+organisms%3B+Growth+and+Differentiation+and+the+balance+or+integration+of+these+two+processes.+This+in+contrast+to+many+other+quality+definitions+based+on+the+presence+or+absence+of+substances.+Analytical+methods+for+measuring+food+quality+(measuring+substances)+and+experimental+methods+(e.g.+crystallisation%2C+biofotons+)+measuring+life+processes+were+discussed.+After+the+theoretical+part%2C+participants+had+the+opportunity+to+work+with+biocrystallisation+pictures+and+to+visit+the+crystallisation+laboratory.++%0D%0A%0D%0AThe+second+day+started+with+a+visit+to+one+of+the+largest+organic+greenhouses+in+the+Netherlands.+The+farmer+grows+tomatoes+and+paprika+on+a+contract+basis.+Recently+he+started+with+a+speciality+in+tomatoes%2C+the+Wild+Wonders%2C+a+mixture+of+different+shaped+and+coloured+tomatoes.+The+greenhouse+therefore+gave+a+good+view+on+the+combination+of+%C3%A2%C2%80%C2%98volume%C3%A2%C2%80%C2%99+production+and+quality+growing.++%0D%0A%0D%0AIn+the+afternoon%2C+Jacob+Holm+Nielsen+gave+us+a+very+interesting+insight+into+the+QLIF+studies+on+organic+and+low+input+dairy.+The+type+of+feed+showed+to+be+very+important+for+the+milk+composition+and+he+emphasized+that+for+organic+high-quality+dairy%2C+maize+can+better+be+avoided+as+part+of+the+feeding+regime.+++%0D%0A%0D%0AJoke+Bloksma+presented+the+studies+performed+on+lettuce%2C+apple+and+carrot+quality+and+how+management+factors+(for+apple%2C+the+bearing+of+the+tree%2C+sun+light%2C+ripening+etc)+influenced+the+quality+of+the+products.++Finally+Gabriele+Wyss+from+FIBL+gave+a+presentation+on+food+safety+and+food+risks+in+organic+production.+She+explained+that+many+food+safety+aspects+and+food+risks+in+organic+are+covered+by+conventional+safety+regulations+and+additional+rules+for+organic+farming.+Because+of+the+precautionary+principles+in+organic+food+production+the+product+safety+and+process+safety+tends+to+be+higher+in+organic+than+in+conventional.+At+the+end+of+the+day+4+participants+presented+their+own+research.+This+gave+a+broad+view+on+different+studies+in+the+field+of+food+quality+and+it+gave+rise+to+many+questions+and+suggestions+from+other+participants.++%0D%0A%0D%0AThe+3rd+day+taste+and+health+were+the+main+topics.+Organic+food+might+have+a+better+taste+than+conventional%2C+but+how+do+we+measure+taste.+Bob+Cramwinckel+of+the+Centre+for+Taste+Research+explained+their+3-steps+method+to+measure+physical%2C+psychological+and+total+taste.+Last+presentation+was+given+by+Ruth+Adriaansen+on+how+we+can+study+health+effects+of+organic+food.+The+necessity+of+a+clear+working+definition+of+health+showed+to+be+very+important+for+the+design+of+a+study%2C++the+choice+of+parameters+and+the+effects+to+be+studied.+As+an+example%2C+the+study+design+of+%C3%A2%C2%80%C2%9COrganic%2C+more+healthy+%3F%3F%C3%A2%C2%80%C2%9D%2C+the+large+feeding+study+in+chicken%2C+currently+being+performed+by+the+Louis+Bolk+Instituut%2C+was+discussed.++%0D%0A%0D%0AAccording+to+one+of+the+scientific+contributors+the+program+%C3%A2%C2%80%C2%9Cgave+a+great+insight+in+the+discussion+going+on+in+the+field+of+organic+food+quality%C3%A2%C2%80%C2%9D.%0D%0A%0D%0AThe+overall+conclusion+was+that+for+the+evaluation+of+food+quality+you+have+to+take+much+more+aspects+into+account+than+nutritional+content+and+contaminants+only.++An+enlarged+or+holistic+quality+concept+is+needed+to+cover+the+ambitions+of+organic+food+production.+Challenge+is+to+further+develop+such+concepts+and+to+design+robust+scientific+studies+which+account+for+all+relevant+quality+aspects.%0D%0A&rft.contributor=van+de+Vijver%2C+Lucy+P.L.&rft.date=2007&rft.type=Proceedings&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F10664%2F1%2F1887.pdf&rft.identifier=van+de+Vijver%2C+Lucy+P.L.+(Ed.)+(2007)+Measuring+food+quality%3A+concepts%2C+methods+and+challenges+-+Proceedings+seminar+February+2007.+Proceedings+of+3rd+QLIF+training+and+exchange+workshop+%C3%A2%C2%80%C2%9CMeasuring+food+quality%3A+concepts%2C+methods+and+challenges%C3%A2%C2%80%C2%9D%2C+Louis+Bolk+Institute%2C+Driebergen%2C+The+Netherlands%2C+February+12-14%2C+2007.&rft.relation=http%3A%2F%2Forgprints.org%2F10664%2F