For measuring certain metabolites you can also try with freeze-drying. But if you want to monitorize enzyme activities lyophyllization is not a good option.
If your extract do not contain any heat labile substance then try to concentrate your extract by collecting solvent in Soxhlet .
Click the following link
https://www.researchgate.net/post/What_equipment_is_required_to_prepare_Dried_Herbal_Decoction_which_is_basically_done_in_Chinese_Medicine
Regards
https://www.researchgate.net/publication/268389305_NISHAN-E-ZAFAR
In a very simple methos to concentrate the extract, you can use water bath......
in the case of organic extract can use rotary evaporator as agood option in the case of aquatic extract , reduce the volium by use water path and then use the freeze drier
If it is water extract u can use freeze drier otherwise organic solvent extract means, good option is rotary evaporator or vacuum distillator
Hi Shah,
if your scope is to analyze the composition of the extract you could choose between freeze-dry procedure if your extract is aqueous and under nitrogen gas in an ice bath if your extract is organic or organic/aqueous (for example in the case of polyphenolic extract)
Rotarvapor is good for organic solvents. Freeze-dryer is good for aqueous extract otherwise lypholize.
A lot of membrane process had been developed to concentrate or purified sample in an athermic way, without warm action.
Have you ever tried resins such as sepabeads or XAD? you can as well, if this is just laboratory application, use secpack columns
First of all you have to evaluate what type of compunds you want to extract and thus their stability to oxigen, temperature, light, and so on...
After you could use freeze-drier apparatus for small, but also big, volume of aqueous extracts, or nitrigen gas is small volume paying attention, if the case, to light and temperature
you can use an incubator according to the type of extract (eg organic solvent, take an incubator for organic solvent)
In a less endowed laboratories simple distillation can be used. This reduces the extract volume to a small volume that can be evaporated on water bath or left in desiccator. The disadvantage is that some of the components are likely to be decomposed.
if you live near the equator you can leave it and it will be dry soon LOL
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