IDEAS home Printed from https://ideas.repec.org/a/eee/renene/v17y1999i4p523-531.html
   My bibliography  Save this article

Evaluation of solar dried thyme (Thymus vulgaris Linné) herbs

Author

Listed:
  • Balladin, Derrick A
  • Headley, Oliver

Abstract

Thyme (Thymus vulgaris Linné) herbs can be dried at about 50°C reached an equilibrium moisture content after 12 h and 9.5 h using the wire basket solar dryer and oven drying method respectively. The initial moisture content (wet wt. basis), (final moisture content, dry wt. basis (dwb)) determined by the Dean–Stark toluene method, oven and microwave were 75.15% (10.0%), 75.12% (11.85%) and 72.31% (12.50%) respectively. Paired t-test (α = 0.05, 10 degrees of freedom) showed no significant difference between the Dean–Stark toluene and the oven methods, but a significant difference between these two methods and the microwave method. The % essential oils extracted after drying by the oven and the wire basket solar methods were 0.5 and 0.6% (per 100 g dwb) respectively. The % oleoresin and ash content were 27% for both drying methods and 1.60, 2.03 and 2.25% for the fresh, oven dried and the wire basket solar dried herb respectively.

Suggested Citation

  • Balladin, Derrick A & Headley, Oliver, 1999. "Evaluation of solar dried thyme (Thymus vulgaris Linné) herbs," Renewable Energy, Elsevier, vol. 17(4), pages 523-531.
    • Handle: RePEc:eee:renene:v:17:y:1999:i:4:p:523-531
    DOI: 10.1016/S0960-1481(98)00757-5
    as

    Download full text from publisher

    File URL: http://www.sciencedirect.com/science/article/pii/S0960148198007575
    Download Restriction: Full text for ScienceDirect subscribers only
    File URL: https://libkey.io/10.1016/S0960-1481(98)00757-5?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to search for a different version of it.

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Murthy, M.V. Ramana, 2009. "A review of new technologies, models and experimental investigations of solar driers," Renewable and Sustainable Energy Reviews, Elsevier, vol. 13(4), pages 835-844, May.
    2. Gungor, Aysegul & Erbay, Zafer & Hepbasli, Arif, 2011. "Exergetic analysis and evaluation of a new application of gas engine heat pumps (GEHPs) for food drying processes," Applied Energy, Elsevier, vol. 88(3), pages 882-891, March.
    3. Ndukwu, M.C. & Onyenwigwe, D. & Abam, F.I. & Eke, A.B. & Dirioha, C., 2020. "Development of a low-cost wind-powered active solar dryer integrated with glycerol as thermal storage," Renewable Energy, Elsevier, vol. 154(C), pages 553-568.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:eee:renene:v:17:y:1999:i:4:p:523-531. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Catherine Liu (email available below). General contact details of provider: http://www.journals.elsevier.com/renewable-energy .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.