The goal of this paper is the control of the blackberry jam quality. Sampling was carried out by randomly. We carried out chemical, microbiological and organoleptic analysis of the sample. By chemical, microbiological and organoleptic analysis, we have obtained a percentage values of certain elements and it was compared to relevant conditions stipulated in the Rulebook on the quality of products. In order to comply with the given goal, we have analysed three different sample of blackberry jam produced by the following manufacturers Vegafruit, Hepok and Vitaminka. The conclusion is that, during the period of the analysis, the samples were in accordance with the provisions of Rulebook on the quality of fruit and vegetables products.Cilj rada je kontrola kvaliteta džema od kupine koji se nalazi u prodaji na tržištu grada Mostara. Uzorkovanje je izvršeno slučajnim odabirom. Urađene su hemijske, mikrobiološke i organoleptičke analize uzoraka. Pomoću hemijskih, mikrobioloških i organoleptičkih analiza dobila se slika procentualnih vrednosti pojedinih elemenata i uporedila sa odgovarajićim uslovima Pravilnika o kvaliteti proizvoda. Da bi se udovoljilo zadanom cilju analizirana su tri uzorka džema od kupine proizvođača Vegafruit, Hepok i Vitaminka. Zaključak je da su uzorci u periodu analize u skladu sa odredbama važećeg Pravilnika o kvaliteti proizvoda od voća i povrća
