Journal of Zhejiang Agricultural Sciences

Journal of Zhejiang Agricultural Sciences ›› 2024, Vol. 65 ›› Issue (10): 2447-2450.DOI: 10.16178/j.issn.0528-9017.20230682

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Distillation extraction processes of two kinds of aromatic plant essential oil

XIE Lupeng1(), XU Danbin2, MA Guangying1, JIE Xiaolu3, WANG Ping3, TIAN Danqing1,*()   

  1. 1. Zhejiang Institute of Landscape Plants and Flowers, Hangzhou 311251, Zhejiang
    2. Zhejiang Agricultural Technology Extension Center, Hangzhou 310005, Zhejiang
    3. Zhejiang University of Technology, Huzhou 313299, Zhejiang
  • Received:2023-06-30 Online:2024-10-11 Published:2024-10-25

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Abstract:

Fresh samples of aromatic plants such as sage and rosemary were used for the essential oil extraction process optimizing. Single-factor experiments and orthogonal tests were employed within the steam distillation process promoting. The optimal extraction conditions for sage were found to be a liquid-to-solid ratio of 1∶25 g·mL-1, extraction time of 0.5 hours, and extraction performed twice, yielding an essential oil rate of 5.17‰. For rosemary, the best conditions were a liquid-to-solid ratio of 1∶20 g·mL-1, extraction time of 2 hours, and extraction performed twice, resulting in the highest essential oil yield of 8.87‰. These findings provide theoretical support for the extraction and application of essential oils from sage and rosemary.

Key words: sage, rosemary, essential oil, extraction technology

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