If the chromic acid oxidation is performed with stoichiometric oxidant in the presence of diethyl ether as co-solvent (a method introduced by H.C. Brown), the epimerization of l-menthone to d-isomenthone is largely avoided.
Apple cider vinegar isn't likely to be effective for weight loss. Proponents of the apple cider vinegar diet claim that drinking a small amount of apple cider vinegar before meals or taking an apple cider vinegar supplement helps curb appetite and burn fat. However, there's little scientific support for these claims.
Studies have also shown it may be able to kill cancer cells or slow their growth. Nice! Apple Cider Vinegar is also reported to assist in curing allergies, sinus infections, acne, flu, chronic fatigue, candida, acid reflux, sore throats, contact dermatitis, arthritis, and gout.