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HealthFitnessDigestionNutrition

Digestion

 

 

 

 


 

 

 



Digestion is the mechanical and chemical breakdown of food into smaller components that are more easily absorbed into a blood stream, for instance. Digestion is a form of catabolism: a breakdown of large food molecules to smaller ones.

Food enters the mouth, being chewed by teeth, with chemical processing beginning with chemicals in the saliva from the salivary glands. This is called mastication. Then it travels down the esophagus into the stomach, where hydrochloric acid kills most contaminating microorganisms and begins mechanical break down of some food (e.g., denaturation of protein), and chemical alteration of some. The hydrochloric acid also has a low pH, which allows enzymes to work more efficiently. After some time (typically an hour or two in humans, 4–6 hours in dogs, somewhat shorter duration in house cats, ...), the resulting thick liquid is called chyme. Chyme will go through the small intestine, where 95% of absorption of nutrients occurs, through the large intestine, and are eliminated during defecation.

Human Digestion Process

The whole digestive system is around 9 meters long. In a healthy human adult this process can take between 24 and 72 hours. Food digestion physiology varies between individuals and upon other factors such as the characteristics of the food and size of the meal.

Human Gastrointestinal Tract 

The human gastrointestinal tract refers to the stomach and intestine,  and sometimes to all the structures from the mouth to the anus. (The "digestive system" is a broader term that includes other structures, including the accessory organs of digestion).

In an adult male human, the gastrointestinal (GI) tract is 5 metres (20 ft) long in a live subject, or up to 9 metres (30 ft) without the effect of muscle tone, and consists of the upper and lower GI tracts. The tract may also be divided into foregut, midgut, and hindgut, reflecting the embryological origin of each segment of the tract.

Transit Time

The time taken for food or other ingested objects to transit through the gastrointestinal tract varies depending on many factors, but roughly, it takes 2.5 to 3 hours after meal for 50% of stomach contents to empty into the intestines and total emptying of the stomach takes 4 to 5 hours. Subsequently, 50% emptying of the small intestine takes 2.5 to 3 hours. Finally, transit through the colon takes approximately 30 hours.




 

Good digestion and reduction in 

meal sizes may reduce the waistline.


Increase
healthy
foods.

Fresh Fruit
Fresh Vegetables
Green leafy salads
Fresh Fish & Seafood
Fermented Foods
Wholesome Grains

 

Reduce
unhealthy
foods.

Fast Food
Processed Foods
Confectionary
Soft Drinks
Junk Foods
Heavily Fried Foods

 



Strawberries, bananas, blueberries or any other type of fruit or nuts can be chopped up and added to Progurt before consumption.

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Progurt specialises in natural nutritional supplements of powerful, natural probioticsprebiotics and health foods in the form of a probiotic yoghurt you make at home. We specialize in natural probiotic yogurt and natural probiotic supplements for children and adults that consist of beneficial bacteria and are supplied in probiotic sachets that you make at home using a yogurt maker or yogurt machine. You can consume Progurt as a delicious probiotic yogurt or simply by consuming our Probiotic Sachets in water.

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