New method of testing for carbohydrate absorption in man - Xylose and sucrose absorption; Effects of sucrase inhibition
Digestive Diseases and Sciences, ISSN: 0163-2116, Vol: 31, Issue: 4, Page: 369-375
1986
- 8Citations
- 5Captures
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Metrics Details
- Citations8
- Citation Indexes8
- CrossRef6
- Captures5
- Readers5
Article Description
Absorption of carbohydrate was quantitated in 49 subjects without disease of the small bowel using a new technique for ileal perfusion. A double-lumen tube with an attached balloon was inserted retrograde through the colon and used to quantify arrival in the ileum of D-xylose and a nonabsorbable marker which had been taken orally. In the same way, absorption of sucrose and the effects of an inhibitor of alpha-glucosidase were also studied. Insertion of the assembly through the colon and intubation of the terminal ileum was usually possible within 30 min; we have designated the technique, endoscopic retrograde bowel insertion (ERBI). The test meals were 500 ml of water containing either 25 g D-xylose and 5 g polyethylene glycol (PEG 4000), or 100 g sucrose with 5 g PEG. Sucrose meals also contained 0, 100, or 200 mg of an inhibitor of alpha-glucosidase (BAYg5421). At the end of a 5-hr test period, the ratio of recovery of D-xylose relative to that of PEG indicated that 69% of D-xylose was absorbed. Five-hour urinary excretion of D-xylose was 31% of that ingested, or 45% of the D-xylose which was absorbed. Sucrose was recovered in ileal samples only when administered together with inhibitor. Rates of sucrose absorption with BA Y g5421, 100 and 200 mg, were 75% and 65%, respectively. The perfusion technique of ERBI is a rapid and reproduceable approach to the distal small intestine of man which could be of value in the investigation of intestinal absorption. © 1986 Plenum Publishing Corporation.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0022573415&origin=inward; http://dx.doi.org/10.1007/bf01311671; http://www.ncbi.nlm.nih.gov/pubmed/3956333; http://link.springer.com/10.1007/BF01311671; http://www.springerlink.com/index/10.1007/BF01311671; http://www.springerlink.com/index/pdf/10.1007/BF01311671; https://dx.doi.org/10.1007/bf01311671; https://link.springer.com/article/10.1007/BF01311671
Springer Science and Business Media LLC
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