In the 1990s, the Bee Research Centre took part in a screening programme testing the potential effectiveness of over 100 essential oils and essential oil components against the varroa mite. Although sage, hyssop and thyme oils proved interesting, only thymol has been used in acaricide products. Thymol treatments require little effort, and there are a variety of preparations on the market. The advantages and drawbacks of thymol use are listed in the articles "Apilife VAR: A new varroacide with thymol as the main ingredient" and "THYMOVAR for Varroa control".

Use of essential oils for the control of Varroa jacobsoni (Oud.) in honey bee colonies (PDF, 1 MB, 20.01.2017)
A. Imdorf, S. Bogdanov, R. Ibáñez Ochoa, N. W. Calderone (1999)

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Publications Carole Liechti

Liechti C., Mack G., Walther B., Ammann J.
Transforming plant-based milk alternatives for better health.
LWT-Food Science and Technology, 223, 2025, Article 117787.

Liechti C., Mack G., Ammann J.
Does label information reflect product properties? A Swiss case study of plant-based milk alternatives.
Applied Food Research, 5, (1), 2025, 1-11.

Ammann J., Liechti C., Mack G., Saleh R.
A food waste information-framing can help promote purchase of suboptimal potatoes.
Food Quality and Preference, 123, 2025, Article 105338.

Liechti C., Mack G., Ammann J.
A systematic literature review on impactful food waste interventions at consumer level.
Sustainable Production and Consumption, 52, 2024, 552-565.

Liechti C., Saint-Eve A., Souchon I., Espinosa L., Bosc V., Delarue J.
Children's preference patterns and opportunities for sensory-led reformulation of chocolate chip cookies.
Journal of Sensory Studies, 39, (6), 2024, Article e12954.

Ammann J., Liechti C., Mack G., Saleh R.
A food waste framing can help promote suboptimal potatoes.
Dans: 38th EFFoST International Conference. 12 November, Ed. EFFoST, Bruges (BE). 2024.

Qian Z., Chen W., Doğan E., Liechti C., Della Penna A.
Report on improved framework for FLW measurement & monitoring.
wasteless. 2023, 64 pp.

Début de la page

Apilife VAR: A new varroacide with thymol as the main ingredient (PDF, 103 kB, 20.01.2017)
A. Imdorf, S. Bogdanov, V. Kilchenmann, C. Maquelin (1994)

"THYMOVAR" for Varroa control (PDF, 75 kB, 27.01.2017)
F. Bollhalder (1998)

Although the use of thymol leads to residues in the wax and honey, these are negligible from a toxicological viewpoint. Since about 2008 the use of thymol-based products has been declining in Switzerland, and beekeepers making use of these products have tended to experience greater winter losses than those using e.g. formic acid.

Thymol residues in wax and honey after Apilife VAR treatment (PDF, 757 kB, 14.09.2016)
S. Bogdanov, A. Imdorf, V. Kilchenmann (1998)

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Liste de publications

Publications Carole Liechti