1 / 7

Authenticity of “orange fruit drinks” in the Czech market

Authenticity of “orange fruit drinks” in the Czech market. Author: Veronika Soukupová Supervisor: Doc. Ing. Michal Voldřich CSc. Objective: chemometric methods for the fruit content determination estimation fruit content. Legislation dealing with fruit beverage:

ishi
Download Presentation

Authenticity of “orange fruit drinks” in the Czech market

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Authenticity of “orange fruit drinks” in the Czech market Author: Veronika Soukupová Supervisor: Doc. Ing. Michal Voldřich CSc.

  2. Objective: • chemometric methods for the fruit content determination • estimation fruit content • Legislation dealing with fruit beverage: • Law No 110/1997 Food law (law No 274/2003 as amended) • Decree No 335/1997 (decree No 45/2000 as amended) specify the categories of fruit non-alcoholic beverage -juice 100% • - nectar less then 100 but more than 25-50% according the sort of fruit • - fruit drink at least on fourth of the limit given for coresponding nectars • - lemonade need not to contain any fruits • EU - AIJN (Asociation of the Industry of Juices and Nectars)

  3. Markers and methods: Samples: Walmark a.s. (5 samples), Linea Nivnice a.s. (3 samples), Kofola a.s. (3 samples), Generall Botlers ČR s.r.o.(1 sample), Limova s.r.o. -produces in comcession (1 sample), Chiquita (1 sample), Pfanner (1sample), Ahold CZ a.s.(1 sample), Rauch (1 sample), Parmalat Hungaria Rt. (1 sample), Buda-Mont s.r.o. (1 sample), Poděbradka a.s.(1 sample)

  4. Results and discussion: • Fruit content was determined on the base of consequent markers: formol number, malic acid, K, flavonoids and sorbitol. • Measuring values was compared with indicated data of AIJN. • AIJN

  5. 3 7 13 20 - estimation of fruit content was lower by more then 50% then was declared on the label No

  6. Cluster analysis of the samples with declared fruit content 12.5% Samples whit lower fruit content

  7. Conclusion: • Accuracy of estimation fruit content in orange beverages was 5%. • eleven samples contained more or similar the required fruit content • five samples in ”grey zone” (6-10%) • four samples containing very low content of fruit (<6%)

More Related