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| Quality Control Olive Oil quality is of utmost importance to consumers and producers. Discuss quality methods, and best practices. |
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#1
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Quality indicators
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<pre>Dear collegues After harvest time the questions and debate about the quality of the oil rise anew - and chemical analyses are one of the answers to those questions. Acidity certainly is one of the indicators which is well known but there are others like perossidi, K, Kraiss, K230 and K3xxx. Our problem is that we easily get information about the limits of those measurements, i.e. the values they should have or should not exceed. But what they actually measure and indicate about the oil - the proper meaning of the - numeri perossidi (number of peroxides), - Delta Kappa, K, - Kreiss, - K230 and - K232 (or other numbers) still remain rather unclear. Who could give us more information on these indicators, in a laymens language? Kind regards Daniela and Hanna __________________________________________________ _________________________ Social Insight GmbH Daniela Gloor Hanna Meier Rolf Nef Forschung Evaluation Beratung Tel. ++41/(0)1/445 70 60 Neugasse 6 Fax ++41/(0)1/445 70 61 CH-8005 Zuerich E-Mail sociology@socialinsight.ch __________________________________________________ _________________________ </pre> </td></tr></table> |
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#2
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Re: Quality indicators
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<pre>I'm a chemist, but not a food chemist. Unsaturated fatty acids, like thise in olive oil can form peroxides by reacting with oxygen. Light can accelerate this reaction. These (peroxides) contribute to rancidity associated with "old" oils. Don't know the meaning of the other measurements. Alan Friedman </pre> </td></tr></table> |
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#3
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Quality indicators
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<pre>Attention olive oil producers Are you interested in rapid methods to assess the quality of your product? Are you using old fashioned methods that take time and use large quantities of organic solvents? If you want to measure: Hydroperoxide Free fatty acid Malenoaldehyde Alkenals Consider the DiaMed range of F.A.T.S. kits. The kits are also suitable for other pressed and nutritional oils. Contact me for further details. David Bashforth Special Projects Manager DiaMed AG 1785 Cressier sur Morat Tel: +41 26 674 54 12 Fax: +41 26 674 51 45 e-mail: d.bashforth@diamed.ch </pre> </td></tr></table> |
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#4
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Re: Quality indicators
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<pre>----- Original Message ----- From: Bashforth David <d.bashforth@diamed.ch> To: <OliveOil@yahoogroups.com> Cc: Adam Jean <j.adam@diamed.ch>; Ben Root (E-mail 2) <broot@saftest.com>; Ben Root (E-mail) <bioteck@aol.com>; Boon Thiam Ng (E-mail) <ngbt@pop.jaring.my>; Bromilow Imelda <i.bromilow@diamed.ch>; E Degroote <e.degroote@diamed.ch>; Ergen (E-mail) <mega3@turk.net>; Erkki Matikainen (E-mail) <errki.matikainen@diamed.fi>; Ginny Gordon (E-mail 2) <bioteck@socal.rr.com>; Ginny Gordon (E-mail) <vgordon@saftest.com>; Hassan Edelbi (E-mail) <alnawras@emirates.net.ae>; Jean-Pierre Wesse <Jean-PierreW@diamed.ch>; Jenny Tok (E-mail) <jennytok@spdsains.com.sg>; Laércio de Melo (E-mail) <laercio@diamed.com.br>; Luis Lara (E-mail) <ventas@sistemasanaliticos.com>; Magdy El-Ekiaby (E-mail) <elekiaby@gega.net>; Nicola Stanley (E-mail) <Nicola.Stanley@fanninhealthcare.com>; Omer Eldayem (E-mail) <amarswar@consultant.com>; Ozgur Reyhanoglu (E-mail) <teknik@megamedikal.con>; Ricardo Mendillo (E-mail) <rmen Sent: Monday, July 09, 2001 6:06 PM Subject: [OliveOil] Quality indicators > Attention olive oil producers > > Are you interested in rapid methods to assess the quality of your product? > > Are you using old fashioned methods that take time and use large quantities > of organic solvents? > > If you want to measure: > > Hydroperoxide > Free fatty acid > Malenoaldehyde > Alkenals > > Consider the DiaMed range of F.A.T.S. kits. > > The kits are also suitable for other pressed and nutritional oils. > > Contact me for further details. > > David Bashforth > Special Projects Manager > DiaMed AG > 1785 Cressier sur Morat > > Tel: +41 26 674 54 12 > Fax: +41 26 674 51 45 > e-mail: d.bashforth@diamed.ch > > > > > > ------------------------------------------ > http://www.sadoun.com/submit > ------------------------------------------ > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > Please send information to kailis@ca.com.au and skailis@agric.uwa.edu.au or fax +61 8 9380 1108 0r Stan Kailis Plant Sciences UWA 35 Stirling Highway Crawley WA 6009 Stan </pre> </td></tr></table> |
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#5
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RE: Quality indicators
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<pre>Dear Mr. Kallis, Thank you for your reply. I attach 2 word files which explain a little of the philosophy behind our system and some information on our company. I guess from your e-mail address that you are in Australia. If you would confirm this, I will contact our distributor, DiaMed Australia, to put them in touch with you. Best regards David Bashforth </pre> </td></tr></table> |
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#6
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Re: Quality indicators
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<pre>Hi David, How much do the kits cost (preferably in $US). thanks, Sue Ellery Stella Cadente Olive Oil Co. stellacadente@pacific.net </pre> </td></tr></table> |
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