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.
Most people associate apple cider vinegar with cooking, but its uses go far beyond the kitchen. Apple cider vinegar can provide a wide array of health benefits. It is a true power food! Among the long list of issues it can address, apple cider vinegar can help facilitate weight loss and mood enhancement.