Has anyone here tried vacuum oven drying your plant sample instead of conventional drying?
If so, what results did you get? What are the parameters you used for the drying?
Vacuum oven drying will probably accelerate drying at higher temperatures, but will likely not be effective at lower temperatures. Efficient drying of plants requires damage to the cell walls. Cell walls are affected more by heat than by vacuum.
For instance, this study - Article Cell membrane damage by vacuum treatment at different pressu...
- showed that moderate vacuum has a minimal effect on cell wall structure and water loss in onion epidermis.Therefore, if you want to use a vacuum oven to accelerate drying, my recommendation would be to use the same temperature as in your normal protocol. In other words, add vacuum to your existing protocol; do not try to replace the heat with vacuum.
https://labovens.net/collections/vacuum-ovens
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