when l- [ 1- ( 14 ) c ] ascorbic acid is supplied to young seedlings of r. crispus or h. glomeratus , a major portion of the ( 14 ) c is released over a 24-hour period as ( 14 ) co ( 2 ) and only a small portion is recovered as [ ( 14 ) c ] oxalate , unlike cuttings from 2- or 4-month-old plants which retain a large part of the ( 14 ) c as [ ( 14 ) c ] oxalic acid and release very little ( 14 ) co ( 2 ) .
C0029988
oxalate
C0069715
oxalic acid