The biosynthesis of raffinose
- PMID: 5881668
- PMCID: PMC1264762
- DOI: 10.1042/bj0970802
The biosynthesis of raffinose
Abstract
1. Reaction of UTP and alpha-d-galactose 1-phosphate with [U-(14)C]sucrose in the presence of a Vicia faba dormant-seed preparation yielded the trisaccharide raffinose. 2. UTP-alpha-d-galactose 1-phosphate-uridylyltransferase activity has been demonstrated in the bean preparation and evidence for the participation of UDP-galactose in the trisaccharide synthesis is presented. 3. UDP-galactose 4-epimerase is present in the dormant seed. 4. The biosynthesis of raffinose in relation to the metabolism of other carbohydrates in plants is discussed.
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