Cleaning with chemical solvents
continued to flourish while Friedburg's toxic-free method headed for obscurity.
Currently the most popular means of caffeine extraction are achieved by organic chemical solvents
, supercritical carbon dioxide and water decaffeination.
The three main methods of decaffeination in commercial use today are: chemical solvents
, supercritical gases or water and caffeine-free extracts.
In low-fat foods, the use of chemical solvents
hasn't been very effective," says Richard Ellis, Director of the FSIS Chemistry Division in Washington, D.
Flavorbean CEO and Founder Ronald Back, a longtime veteran of the flavoring industry, became alarmed at the widespread use of chemical solvents
in food and beverage manufacturing.
Sewage pipes don't flush untreated waste or a witch's brew of chemical solvents
and heavy metals into storm drains or earthen pits.
The release of chemical solvents
from the maquiladoras is frequently cited as a cause, and in 1975, several companies reached a $17 million out-of-court settlement with more than two dozen parents of anancephalic babies.
The majority of herbs used in these products are sourced from countries like China or India and in order to turn a profit these companies are using chemical solvents
to make their herbal extracts, or very low grade herb powders which may be irradiated or contaminated with heavy metals, pesticides, insecticides and other toxins," Group adds.
Most companies have de-toxified their operations enough to comply with government regulations, substituting environmentally friendly soap and water and citrus juices for some of the nastiest chemical solvents
, and eliminating most ozone-depleting chloroflourocarbons (CFCs) from the production process.
Under certain conditions, he suspects, even conventional chemical solvents
may mix with oil and form similar stable, water-polluting emulsions.
The replacement rates of chemical solvents
with water-based processes are low in South Africa.
The company's products also include propylene glycol monomethyl ether proprionate (PGMEP), Shiny Chemicals' proprietary product, N-butyl acetate (NBAC) and many other bulk chemical solvents