Eurofins Scientific Se · EURONEXT:ERF
Eurofins Scientific — Technical Presentation (2020)
20 slides from Eurofins Scientific's technical presentation, 2020
Slide 1: Tackling Food Fraud, International Approaches
Tackling Food Fraud, International Approaches Lemon Juice PMF Update AOAC Virtual Annual Meeting & Exposition 2020 Ramin Jahromi Eurofins Nutrition Analysis Center Des Moines, IA E-mail: RaminJahromi@EurofinsUS.com +1 5152651461 RaminJahromi@EurofinsUS.com www.eurofins.com
Slide 2: Please Note
Please Note Most suppliers are honest and will supply you with what you ordered, however, not ALL are! Through testing you cannot prove authenticity – you can only look for indicators of adulteration. RaminJahromi@EurofinsUS.com 2
Slide 3: What legally is a Fruit Juice?
What legally is a Fruit Juice? Codex Alimentarius Fruit Juice Standard 247/2005 Legal definition Fruit juice is the unfermented but fermentable liquid obtained from the edible part of sound, appropriately mature and fresh fruit or of fruit maintained in sound condition by suitable means including po
Slide 4: 21CFR146.114
21CFR146.114 RaminJahromi@EurofinsUS.com 4
Slide 5: What types of adulteration occur?
What types of adulteration occur? 1) Addition of sugars to juice e.g. the addition of sucrose and/or syrups to orange juice, addition of a high fructose syrup to apple juice 2) Addition of undeclared acids to juice e.g. the extension of lemon juice with synthetic citric acid or apple juice with mali
Slide 6: When is it detected?
When is it detected? When you test! Now and again at any time Generally more of a problem when prices are high When a “new juice” is popular and in short supply When a new method is introduced 1991 UK’s MAFF used SNIF-NMR® to detect sugar addition in OJ (16 out of 21 samples failed) 1995/6 Cap-
Slide 7: SGF Meeting 2020
SGF Meeting 2020 RaminJahromi@EurofinsUS.com 7
Slide 8: SGF Meeting 2020
SGF Meeting 2020 RaminJahromi@EurofinsUS.com 8
Slide 9: SGF Meeting 2020
SGF Meeting 2020 RaminJahromi@EurofinsUS.com 9
Slide 10: SGF Meeting 2020
SGF Meeting 2020 RaminJahromi@EurofinsUS.com 10
Slide 11: PMF Method IFU Rec No.11 (2020)
PMF Method IFU Rec No.11 (2020) Sample (20 ml) is passed through activated C18 SPE cartridge. The sugars and acids are then eluted from the cartridge with 5 mL water. The more polar materials are then eluted with 5 mL 28% acetonitrile in water. Traces of solvent are “blown” out of the SPE ca
Slide 12: Pure Lemon & Lime Juice
Pure Lemon & Lime Juice RaminJahromi@EurofinsUS.com 12
Slide 13: Brazilian Lime & Lemon
Brazilian Lime & Lemon RaminJahromi@EurofinsUS.com 13
Slide 14: Brazilian Lime & Lemon
Brazilian Lime & Lemon RaminJahromi@EurofinsUS.com 14
Slide 15: Brazilian Lime & Lemon
Brazilian Lime & Lemon DAD 313.8 nm vs. 7-Methoxy 322.2 nm RaminJahromi@EurofinsUS.com 15
Slide 16: Mexican Lime & Lemon
Mexican Lime & Lemon RaminJahromi@EurofinsUS.com 16
Slide 17: Florida Unripe Lemon
Florida Unripe Lemon Research by Danielle Pringle-EurofinsUS RaminJahromi@EurofinsUS.com 17
Slide 18: Florida Unripe Lemon
Florida Unripe Lemon RaminJahromi@EurofinsUS.com 18
Slide 19: Detection of lime in lemon juice
Detection of lime in lemon Lemon Juice Citropten Labelled as 7-Methoxycoumarin* lemon juice?? Lime juice! Bergapten$ Isopimpinellin$ 19 *Lehnert & Ara Fruit processing 2014, 242 – 248, $Jahromi et al Poster @ AOAC annual meeting 2015
Slide 20: Any Questions?
Questions Any Questions? RaminJahromi@EurofinsUS.com +1 515 265 1461