Zinc, vitamin B-6, and nutrients
Abstract
TO THE EDITOR we did not have enough data to make arbitrary breaks partment where one set of data would represent one acid corn- than should making revert to an abrupt smaller change. intakes gradually rather PhD and another set of data would represent anStanley T Omaye, Division of Toxicology other compartment. The apparent was t112 calculated graphically by extrapolation of the log-transferred Letterman Army Institute of Research ofSan Francisco, CA 94129 plasma ascorbic acid values during the depletion phase Presidio James H Skala, to day 0. Because no labeled ascorbic acid was used Robert A Jacob, in our study (which would have provided the informaWestern Human Nutrition Research Center tion to derive true t112 values), we defined our t112 calUS Department of Agriculture culated values as apparent t112 so as not to be misunderPresidio ofSan Francisco, CA 94129 stood. Kailnerâs calculated very similar; however, be true if sufficient t112 from day 12 to day 32 are a biphasic curve might likewise References data were available so that the t112 PhD PhD estimates different. taking difference from What all the in the day 1 to day 12 could be even more appears from our calculation is that data