Antimicrobial Effect of Red Beet (Beta vulgaris var. Cruenta Alef.) On Some Foodborne Pathogens
2019
Oktay Tomar | Gamze Yıldırım
Red beet (Beta vulgaris var. Cruenta Alef.) it is a flowering plant belonging to the family of Amaranthaceae and is cultivated in the regions extending from the west of Europe to all the Mediterranean coasts In Turkey; especially in the Aegean and Marmara regions. In the World, it is used in the production of milk and milk products, fruit juices, sauces, soups, confectionery, jelly, tomato paste, breakfast products, sausages and sausage products. In Turkey, in addition to these, it is widely used, in producing the turnip juice and pickles. There beet is particularly rich in minerals such as sodium, potassium, magnesium, calcium and phosphorus and also contains iron and selenium. Further; rich in antioxidant phenolic substances, betalain and flavonoid. In this study; antibacterial effect of extracts obtained from red beet outer shell and flesh inner part by using different solvents (ethanol, methanol and distilled water) on some food pathogens were determined by dise diffusion method. As a result of the research; the most antimicrobial effect was observed in the water extract obtained from the shell portion of red beet against Listeria monocytogenes with a 17 mm dilution diameter. This value was determined to be followed by methanol extract obtained from the interior of the red beet against Pseudomonas aeroginosa with a 16 mm dilution diameter. The lowest MIC and MBC values were on the Enterobacter aerogenes of beet peel methanol extract with values of 23.44and 31.25 μg / mL, respectively. All results were compared with the reference values of Eucastand CLSI laboratories and resistance and sensitivity were determined.
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