Professor Dr. Jin BQ Department of Food Science & Nutrition NJNU - Basic
Professor Dr. Jin BQ Department of Food Science & Nutrition NJNU - Basic
The Science of Nutrition Fields for Human Health
The Science of Nutrition Fields for Human Health
Review: Digestive Physiology Food Digestion & Absorption in Digestive System Trace or Gut Glands Mouth Salivary Esophagus Liver Stomach Pancreas Intestine Others
Review: Digestive Physiology Food Digestion & Absorption in Digestive System Trace or Gut Glands Mouth Salivary Esophagus Liver Stomach Pancreas Intestine Others
Definition Digestion: The processing is that food and other macromolecule will be decomposed the micro- molecule ( broken down) in gut Absorption: Simple materials will be absorbed in gut and into blood
Definition Digestion: The processing is that food and other macromolecule will be decomposed the micro- molecule ( broken down) in gut Absorption: Simple materials will be absorbed in gut and into blood
Position of Digestion & Absorption Mouth: Food Intake, Mechanical/Physical Digestion Esophagus: Food Pass-way Stomach: Storage Mechanical & Chemical Digestion Absorption of Water, Alcohol Small Intestine: Main Position for Digestion & Absorption (Mechanical/Physical, Chemical, Enzymic) Large Intestine: Water Absorption
Position of Digestion & Absorption Mouth: Food Intake, Mechanical/Physical Digestion Esophagus: Food Pass-way Stomach: Storage Mechanical & Chemical Digestion Absorption of Water, Alcohol Small Intestine: Main Position for Digestion & Absorption (Mechanical/Physical, Chemical, Enzymic) Large Intestine: Water Absorption
Food Motive Speed in Gut The Length of Gut: 7.5-9.0 m Food staying in Gut: 1. Liquid: 15-30min 2. Solid or Half-solid: 2-6h 3. Empty in Stomach: > 12h (in the morning) 4. Ejection: 20-36h For Digestion & Absorption Enough
Food Motive Speed in Gut The Length of Gut: 7.5-9.0 m Food staying in Gut: 1. Liquid: 15-30min 2. Solid or Half-solid: 2-6h 3. Empty in Stomach: > 12h (in the morning) 4. Ejection: 20-36h For Digestion & Absorption Enough
Nutrition: This is a processing of physiological and biochemical exchange in body Nutrients: These materials from foods and others Diet: Food composition 生理需求 感官享受 心理享受
Nutrition: This is a processing of physiological and biochemical exchange in body Nutrients: These materials from foods and others Diet: Food composition 生理需求 感官享受 心理享受
Food-Nutrient-Nutrition Objectives Concept Food：Containing various nutrients in one Foods: Various nutrients combining each other to be a reasonable complex diet Processing：Goods Products Scientifics
Food-Nutrient-Nutrition Objectives Concept Food：Containing various nutrients in one Foods: Various nutrients combining each other to be a reasonable complex diet Processing：Goods Products Scientifics
Nutrients & Nutrition Sources
Nutrients & Nutrition Sources
Good N Suitable supplying quantity Reasonable ration Various kinds of foods Nutritional Balance
Good N Suitable supplying quantity Reasonable ration Various kinds of foods Nutritional Balance