Dear Sir or Madam I know that we can obtain these compounds with different solvents. However, i can not use this kind of extract in my product (food supplements or cosmetic). For food supplements maybe i can use sprey dryer but for cosmetics i should solve with same solvents. Please help me about this issue
Best regards
Use alcohol or a suitable oil. Petroleum jelly also would also work.
Can you use a 10/90 EtOH/H2O solution ?
If not, a light basified solution improve the yields with phenolic compounds, and neutralize the solution after extraction would be a good way to avoid rapid degradation.
M. Muller
On contrary, the increase of the ionic force of the water based herbal extraction will diminush the level of all organic compounds, and probably this problem has no solution unless an appropriate treatment (precipitation /filtering).
M.Muller
I am unsure of what you are specifically asking- if they are not water soluble, they cannot be extracted by water... Unless you have very specific equipment (as I have learned, but have no experience with). However if you can use another solvent (Alcohol, Apple cider vinegar, Vegetable Glycerin) they'd become more available. Prepared as a Galenical (tincture) would be your best technique.
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