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Effect of different drying methods on essential oil and antioxidants activity of Mentha spicata and Origanum marjorana [electronic resource].

By:

El-Sayed, H. Hussein

Language: English Summary language: Arabic Description: p.385-394Other title:

تأثير طرق تجفيف مختلفة على الزيت العطري و نشاط مضادات الاكسدة للنعناع البلدى و البردقوش [Added title page title]

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Journal of agricultural research Kafrelsheikh Univeristy, 2011 v. 37 (2) [electronic resource].

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In: Journal of Agricultural Research Kafrelsheikh Univeristy 2011.v.37(2)Summary: Different drying methods (shade, sun and electric oven at (35 degree and 50 degree centigrade) were studied. Percentage and composition of volatile oils and antioxidant activity (DPPH) of marjoram and spearmint plants with using drying method in shade gave the height mean value of DPPH% for all experimental plants compared with other drying methods. Shade drying generally seemed better, especially with regard essential oil and major's compounds percentage of plants followed by drying in oven at 35°c. KEY WORDS: Drying methods, Marjoram and Spearmint,TCP,DPPH%, cis-Sabinene hydrate and Carvon.

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Different drying methods (shade, sun and electric oven at (35 degree and 50 degree centigrade) were studied. Percentage and composition of volatile oils and antioxidant activity (DPPH) of marjoram and spearmint plants with using drying method in shade gave the height mean value of DPPH% for all experimental plants compared with other drying methods. Shade drying generally seemed better, especially with regard essential oil and major's compounds percentage of plants followed by drying in oven at 35°c. KEY WORDS: Drying methods, Marjoram and Spearmint,TCP,DPPH%, cis-Sabinene hydrate and Carvon.

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