Wine versus ethanol in human nutrition. III. Calcium, phosphorus, and magnesium balance
1979
McDonald, Janet T. | Margen, Sheldon
Extract: A metabolic balance study was performed to determine the effects of wine vs ethanol on absorption of calcium, phosphorus, and magnesium. Six healthy males were given, in random order, 1 liter/day of one of the following test beverages: Zinfandel wine; dealcoholized Zinfandel wine; pure ethanol; or deionized water. Urinary calcium and magnesium did not change appreciably during the course of the study. Urinary phosphorus, was significantly greater during wine and ethanol administration, suggesting that alcohol may affect the metabolism or renal tubular reabsorption of this element. Data showed that wine and dealcoholized wine enhanced absorption of calcium, phosphorus, and magnesium. This apparently was due to an effect of one or more of the many congeners present in wine and absent in a calorically equivalent amount of pure ethanol.
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