Berry fruits possess many positive effects on human health because of their phytochemical contents like phenolic compounds, antioxidants and anthocyanins, and they have also an important place among the functional foods. From the varieties of Isabella grape and Bursa-2 blackberry cultivated in Duzce and its neighborhood, aging-retardant cream, vinegar (cyme) which aids in the weight loss and alleviates the stomach discomfort, and grape and blackberry juice are produced. Besides, other berry fruits are also used but only in the form of folk medicine. Thus, further studies about the berry fruits grown in the region may increase the potential medical usages of those plants.
Keywords: Duzce, Berry Fruits, Bursa-2, Phenolic Compounds, Medical Usage.