Each diluent has advantages and disadvantages related to preservation of extract potency and sterility. These additives are discussed in further detail in this chapter’s discussion of extract stability.

In the experiment done in this lab, a mixture of a carboxylic acid and a neutral compound will be separated by an acid-base extraction. The separate compounds will be purified by recrystallization …

Discover the art of flavor with "The Art of Extract Making," an innovative cookbook by Paul and Jill Fulton, founders of VanillaPura. This pioneering guide presents 40 unique and easy-to-follow extract recipes …

Aqueous washings are done to remove water soluble impurities from organic products since normally the compound that you desire will be dissolved in the organic layer. For an excellent discussion, read …

Present study was aimed at investigating the effect of different solvents and different extraction methods on the yield of plant extracts.

Rosemary extract is obtained from ground dried leaves of Rosmarinus officinalis L using food-grade solvents, namely, acetone or ethanol. Solvent extraction is followed by filtration, solvent removal, …

In this lab you will perform an extraction (Chapter 4; Experiment B). Extraction is one of the easiest purification methods in the organic chemist’s tool kit. The method exploits the different solubilities of …