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Comparison of selected biological active compounds and antioxidative capacity in different broccoli cultivars

Numerous recent publications have compared different cultivars of broccoli and different cultivation conditions suggesting that great variations in the content of phytochemicals among cultivars are due to genetic, and many environmental factors. The purpose of the present work was the quantification of glucosinolates, phenolic compounds, carotenoids, and antioxidant capacity in the florescences of 13 genotypes from freshly harvested broccoli grown under uniform agroecological practices. The present results showed a significant variation in the level of bioactive compounds and consequently potential health benefits of broccoli (total glucosinolates 12.04 – 22.48 mol g-1 dw, the total phenolic content 15.54 - 26.92 mg g-1 dw, total carotenoid content 0.19 mg g-1 - 0.46 mg g-1 dw). Studied cultivars were different in the level of the individual bioactive compounds, although some cultivars had higher content of all three analyzed bioactive compounds such as Marathon, Iroman and General cultivar. In addition, these three cultivars showed excellent marketable properties and we choose them for the further breeding program in order study variation among bioactive compound in more details.

broccoli; glucosinolates; phenolics; carotenoid; ORAC

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