Question about filtering particulates from Ginger solution

[miketr]

I am trying (again) to make a strong home made ginger flavoring. This time, I directly crushed raw ginger, filtered the resulting liquid several times with coffee filters, then put it in a test tube in the refrigerator for a week. A bunch of white particulates went to the bottom. I then drew off the liquid, but it is still semi-opaque and I am concerned it retains large particulates. I would like to have a virtually clear liquid (it could have a light yellow color, and be just slightly not clear), either to try directly or to attempt to evaporate down to concentrate it.
I am looking for suggestions, something that is better at filtering than a coffee filter, but which will not result in much loss of the liquid. I only have a relatively small amount at this point, so doing something like running it through a standard water filter might soak it all up... I just don't know. I would appreciate anyone interested to tell me your thoughts and ideas, please. Thanks so much!

 

[Kate51]

I came across your post on Google search for particulate filtration ~ good question. I've been interested in using tobacco absolute in the same kind of way, first 'cutting' the absolute with grain alcohol along with the Ethyl Maltol and caramel and hazelnut extracts added to plain vegetable glycerin in an effort to infuse the flavor/aroma into the glycerin and eliminating any particulates (for purpose of atomizer longevity, slowing undue coating of coil!). I let it infuse for about 72 hours, 3ml of absolute to 50ml glycerin. Filtering that liquid then usually takes overnight, at least.
I've had pretty good luck with the diffusion method, most of the absolute rises to the top....then a filter through Borosillicate Glass Microfiber Filters. The liquid comes out clear, good flavor and taste as well.
The description of the filter: Ideal for gravimetric analysis of air pollutants and as prefilters for use upstream of membrane filters.
Standard filter for dissolved and suspended solids testing in sanitary water analysis procedures. Binder-free and organic-free. DOP efficiency is 99.98% (0.3µm). Maximum operating temperature in air: 550°C (1022°F).
Porosity: Fine
Flow Rate: Fast
Particle Retention: 1.0 µm (classed as ultra-fine, in the particle world)

I got the filters on eBay, EXPENSIVE (100 for $20+ shipping) but they work ok. I just did a search for microfiber filters. Can't remember the seller's name offhand. It's an idea. See what you think.