EFFECTS OF DIFFERENT DRYING METHODS ON DRYING TIME AND SOME ACTIVE SUBSTANCES OF TWO POPULATIONS OF TARRAGON (ARTEMISIA DRACUNCULUS L.)

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REZVANI MOGHADDAM P.; GHANI A.; RAHMAT M.; MOHTASHAMI S.

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Paper Information

Journal: IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS Year:2013 | Volume:29 | Issue:2 (60) Page(s): 460-475

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Title

EFFECTS OF DIFFERENT DRYING METHODS ON DRYING TIME AND SOME ACTIVE SUBSTANCES OF TWO POPULATIONS OF TARRAGON (ARTEMISIA DRACUNCULUS L.)

Author(s)

REZVANI MOGHADDAM P. | GHANI A. | RAHMAT M. | MOHTASHAMI S. | Issue Writer Certificate

Keywords

ANTI OXIDANTQ2

ESSENTIAL OILQ2

POLYPHENOLSQ2

MICROWAVEQ2

Abstract

In order to study the effects of different drying methods including oven, MICROWAVE and ambient (shade condition) on drying time, ESSENTIAL OIL content, antioxidant activity and phenol compound of two populations of Tarragon (Artemisia dracunculus L.), two separate experiments were carried out on two populations (Mashhad and Nishabur). The experiment was performed in a completely randomized design with three replications and 13 drying treatments (oven temperatures: 40, 50, 60 and 70oC, six MICROWAVE powers: 100, 180, 300, 450, 600 and 900 w, shade drying and combination of drying with MICROWAVE (600 and 900 w) and shade drying). In addition, a comparison was performed between fresh sample and the mentioned treatments. Results showed that moisture content and measured active substances were different between studied populations. In both experiments, the longest drying time (about 30 hours and 32 h for Mashhad and Nishabur population, respectively) and the shortest drying time (about 5 minutes) was obtained at ambient temperature and 900 w MICROWAVE power treatments, respectively. In both experiments, the highest ESSENTIAL OIL content (2.27 and 3.2% for Mashhad and Nishabur population, respectively) was obtained from fresh samples and then ambient temperature and MICROWAVE 900 w treatments. ESSENTIAL OIL content was decreased by increasing drying temperature. ESSENTIAL OIL content was in an average in all combination treatments. The highest antioxidant activity (82.5 and 81.8% in Mashhad and Nishabur population, respectively) was obtained by fresh samples while the lowest amount was obtained for Mashhad (60.7%) and Nishabur (53%) populations in ambient temperature and in 40oC oven dry, respectively. Maximum phenol compound was recorded for Mashhad population (165 mg GA/g DW) in 600 w MICROWAVE power and Nishabur population (524.7 mg GA/g DW) in 900 w MICROWAVE power, respectively.

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APA: Copy

REZVANI MOGHADDAM, P., GHANI, A., RAHMAT, M., & MOHTASHAMI, S.. (2013). EFFECTS OF DIFFERENT DRYING METHODS ON DRYING TIME AND SOME ACTIVE SUBSTANCES OF TWO POPULATIONS OF TARRAGON (ARTEMISIA DRACUNCULUS L.). IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS, 29(2 (60)), 460-475. SID. https://sid.ir/paper/105379/en

Vancouver: Copy

REZVANI MOGHADDAM P., GHANI A., RAHMAT M., MOHTASHAMI S.. EFFECTS OF DIFFERENT DRYING METHODS ON DRYING TIME AND SOME ACTIVE SUBSTANCES OF TWO POPULATIONS OF TARRAGON (ARTEMISIA DRACUNCULUS L.). IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS[Internet]. 2013;29(2 (60)):460-475. Available from: https://sid.ir/paper/105379/en

IEEE: Copy

P. REZVANI MOGHADDAM, A. GHANI, M. RAHMAT, and S. MOHTASHAMI, “EFFECTS OF DIFFERENT DRYING METHODS ON DRYING TIME AND SOME ACTIVE SUBSTANCES OF TWO POPULATIONS OF TARRAGON (ARTEMISIA DRACUNCULUS L.),” IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS, vol. 29, no. 2 (60), pp. 460–475, 2013, [Online]. Available: https://sid.ir/paper/105379/en

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