Optimization of Different Drying Systems for Lavender Leaves Applying Response Surface Methodology

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HOMAYOUNFAR H.; AMIRI CHAYJAN R.; SARIKHANI H.; KALVANDI R.

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Paper Information

Journal: JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST) Year:2020 | Volume:22 | Issue:3 Page(s): 679-692

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Title

Optimization of Different Drying Systems for Lavender Leaves Applying Response Surface Methodology

Author(s)

HOMAYOUNFAR H. | AMIRI CHAYJAN R. | SARIKHANI H. | KALVANDI R. | Issue Writer Certificate

Keywords

Atmospheric freeze dryerQ3

Lavandula officinalisQ3

Multi-stage dryingQ3

RSMQ3

TemperingQ3

Abstract

Lavender leaves, widely used as flavors for foods and beverages, are a rich source of phenol components and antioxidant. Drying method is of vital importance for keeping these compounds. In this study, lavender leaves were dried by means of Atmospheric Freeze (AF), Multi-Stage Semi-Industrial Continuous (MSSIC), and Near Infrared-Vacuum (NIR-Vacuum) dryers and optimized by Response Surface Methodology (RSM) for the highest drying rate, total phenol content, antioxidant capacity, and the lowest color indicators change. Lavender leaves were also dried under natural conditions as the traditional method. Multi-stage drying caused Tempering phenomenon and, consequently, drying rate increased obviously. Near infrared-vacuum dryer had suitable performance on keeping the active ingredients of lavender leaves. Optimum point to dry lavender leaves in Atmospheric freeze dryer was found to be-5℃ . The optimum temperature points in the multi-stage semi-industrial continuous dryer were achieved to be 60, 40, and 60℃ for the first, second, and third stages, respectively. The optimum point in near infraredvacuum dryer was 60℃ and 20 kPa for air temperature and pressure, respectively. Based on the results, among several drying methods, near infrared-vacuum dryer was the more suitable for drying lavender leaves.

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APA: Copy

HOMAYOUNFAR, H., AMIRI CHAYJAN, R., SARIKHANI, H., & KALVANDI, R.. (2020). Optimization of Different Drying Systems for Lavender Leaves Applying Response Surface Methodology. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), 22(3 ), 679-692. SID. https://sid.ir/paper/397707/en

Vancouver: Copy

HOMAYOUNFAR H., AMIRI CHAYJAN R., SARIKHANI H., KALVANDI R.. Optimization of Different Drying Systems for Lavender Leaves Applying Response Surface Methodology. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST)[Internet]. 2020;22(3 ):679-692. Available from: https://sid.ir/paper/397707/en

IEEE: Copy

H. HOMAYOUNFAR, R. AMIRI CHAYJAN, H. SARIKHANI, and R. KALVANDI, “Optimization of Different Drying Systems for Lavender Leaves Applying Response Surface Methodology,” JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), vol. 22, no. 3 , pp. 679–692, 2020, [Online]. Available: https://sid.ir/paper/397707/en

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