starch origin and thermal processing affect starch digestion in a minipig model of pancreatic exocrine insufficiency
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2015
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Abstract
Although steatorrhea is the most obvious symptom of pancreatic exocrine insufficiency (PEI), enzymatic digestion of protein and starch is also impaired. Low praecaecal digestibility of starch causes a forced microbial fermentation accounting for energy losses and meteorism. To optimise dietetic measures, knowledge of praecaecal digestibility of starch is needed but such information from PEI patients is rare. Minipigs fitted with an ileocaecal fistula with (n=3) or without (n=3) pancreatic duct ligation (PL) were used to estimate the rate of praecaecal disappearance (pcD) of starch. Different botanical sources of starch (rice, amaranth, potato, and pea) were fed either raw or cooked. In the controls (C), there was an almost complete pcD (>92%) except for potato starch (61.5%) which was significantly lower. In PL pcD of raw starch was significantly lower for all sources of starch except for amaranth (87.9%). Thermal processing increased pcD in PL, reaching values of C for starch from rice, potato, and pea. This study clearly underlines the need for precise specification of starch used for patients with specific dietetic needs like PEI. Data should be generated in suitable animal models or patients as tests in healthy individuals would not have given similar conclusions.
| Reference Key |
meler2015gastroenterologystarch
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|---|---|
| Authors | ;Anne Mößeler;Sandra Vagt;Martin Beyerbach;Josef Kamphues |
| Journal | colloids and surfaces a: physicochemical and engineering aspects |
| Year | 2015 |
| DOI |
10.1155/2015/872872
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| URL | |
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