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

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Grids of Stomach geometry modified in FLUENT using user defined functions
Conclusions • The custom-built model stomach system is useful for studying the kinetics of food disintegration in the stomach • Kinetics of food disintegration is mainly affected by surface erosion and texture softening during digestion • Half-time (t 1/2 ) is an important parameter describing the ability of foods to resist disintegration during digestion – Higher mechanical force, smaller size, and longer cooking time are all related with shorter half-time • Stomach emptying profile might be largely affected by the food disintegration process – related to the changes in food texture and the forces acting on the foods during the digestion process. • Food processing steps such as boiling, roasting and frying appear to improve solid disintegration rates
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 and 8: Antral contraction of stomach Propu
Page 9 and 10: Measurement of stomach force Author
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: Computational Model of a Human Stom

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

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