Gastric Digestion of Foods—Challenges and Opportunities for Food ...

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Dilution of food bolus by elution Color-coded dilution maps acquired at different times after a volunteer ingested 500 ml of viscous locust bean gum meal. A transverse EPI image is also shown as an anatomic road map (L, left; R, right) (Marciani and others 2001a)
Measurement of stomach force Author Force value Methods Vassallo et al. 1992 Kamba et al. 2000 Marciani et al. 2001b The force per contraction averaged 0.2 N 1.50 N for fasting conditions and 1.89 N for fed conditions 0.65 N exerted by the antral walls Vassallo MJ, et al. 1992. a 1.8 cm balloon mounted on a tube and fixed a few centimeters from the antrum of a human stomach a press-coated tablet contained a marker drug with brittle Teflon outer layer featured by a range of fracture strengths. agar gel beads (diameter 1.27 cm). MRI to directly image the breakdown of the agar gel beads in the antrum Marciani et al. 2001b
Page 1 and 2: Gastric Digestion of Foods—Challe
Page 3 and 4: Digestion system • The overall fu
Page 5 and 6: Antrum • Pylorus: contracts to em
Page 7: Antral contraction of stomach Propu
Page 11 and 12: In vivo methods to assess gastric d
Page 13 and 14: MRI images showing disintegration a
Page 15 and 16: TNO intestinal model (TIM) Stomach
Page 17 and 18: The model gut • The model gut is
Page 19 and 20: Research Needs • Influence of hyd
Page 21 and 22: Model stomach system • Custom-bui
Page 23 and 24: Hardness (N) 50 40 30 20 10 0 0 3 6
Page 25 and 26: Mass retention data of carrots fitt
Page 27 and 28: Competition between surface erosion
Page 29 and 30: Penetration front Carrot (Methylene
Page 31 and 32: Influence of sample size of carrots
Page 33 and 34: Wt/W0 Disintegration rate of carrot
Page 35 and 36: 1 mm Changes in structure of almond
Page 37 and 38: Computational Model of a Human Stom
Page 39: Conclusions • The custom-built mo

Gastric Digestion of Foods—Challenges and Opportunities for Food ...

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