Effect of agricultural practices, conventional vs organic, on the phytochemical composition of ‘Kweli’ and ‘Tulameen’ raspberries (Rubus idaeus L.)

•Effect of agricultural practice on raspberry phytochemical composition was studied.•Raspberry phytochemical composition depends on the cultivar and agricultural practice.•Polyphenols increased for the ‘Kweli’ cultivar under organic agricultural practice.•Polyphenols decreased for the ‘Tulameen’ cultivar under organic agricultural practice.