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J Food Sci Technol. 2014 Nov;51(11):3362-8. doi: 10.1007/s13197-012-0827-4. Epub 2012 Sep 5.

Effect of different cooking methods on total phenolic contents and antioxidant activities of four Boletus mushrooms.

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1
Research Center of Food Engineering, College of Chemistry and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650600 China.

Abstract

The influences of cooking methods (steaming, pressure-cooking, microwaving, frying and boiling) on total phenolic contents and antioxidant activities of fruit body of Boletus mushrooms (B. aereus, B. badius, B. pinophilus and B. edulis) have been evaluated. The results showed that microwaving was better in retention of total phenolics than other cooking methods, while boiling significantly decreased the contents of total phenolics in samples under study. Effects of different cooking methods on phenolic acids profiles of Boletus mushrooms showed varieties with both the species of mushroom and the cooking method. Effects of cooking treatments on antioxidant activities of Boletus mushrooms were evaluated by in vitro assays of hydroxyl radical (OH·) -scavenging activity, reducing power and 1, 1-diphenyl-2-picrylhydrazyl radicals (DPPH·) -scavenging activity. Results indicated the changes of antioxidant activities of four Boletus mushrooms were different in five cooking methods. This study could provide some information to encourage food industry to recommend particular cooking methods.

KEYWORDS:

Antioxidant activity; Boletus mushrooms; Cooking methods; Phenolics

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