Oxidation of D -Ribose in presence of hypobromous acid gives D-Ribonic acid
Greater than 23mcg/dl is considered a high level of morning cortisol.
Normally, cortisol levels rise during the early morning hours and are highest about 7AM. They drop very low in the evening and during the early phase of sleep. If you do not have this daily change (diurnal rhythm) in cortisol levels, you may have overactive adrenal glands. This condition is called Cushing's syndrome.
Answer:
fractional distillation since ot depends on the different liquids to have different boiling points
