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- Vitoria, A.P.; Mazzafera, P.
- Journal of agricultural and food chemistry 1999 v.47 no.5 pp. 1851-1855
- Coffea arabica; Coffea; xanthine; degradation; enzyme activity; xanthine dehydrogenase; oxidoreductases; urease; leaves; allantoin; allantoic acid; metabolism; Coffea liberica var. dewevrei
- ... The degradation of xanthine was studied in young and aged leaves and in immature and mature fruits of Coffea arabica and Coffea dewevrei, which differ with respect to caffeine catabolism. Radioisotope feeding experiments showed that leaves degraded xanthine more readily than fruits but that mature fruits and aged leaves were less efficient than younger tissues. In all cases, a significant part of ...