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.
In short, apple cider vinegar probably wonât hurt you. Enjoy it in your diet because itâs calorie-free, adds lots of flavor to food, and has health benefits. But itâs not a miracle cure. WebMD Medical Reference Reviewed by Kathleen M. Zelman, MPH, RD, LD on January 16, 2017.