What is Digestion and What Food to Eat

What is Digestion?

The process of breaking down food into small particles that are absorbed by the body is called Digestion.

There are three different stages requires for digestion. It starts with the Cephalic stage, called the head phase.
Here, it starts before food even enters the mouth. The smell, the taste, visuals, and the thought of particular food will activate saliva in our mouth and wake up digestive juices that contain enzymes to break down the food.

When food enters the mouth, our teeth will chew and grind the food and mix it with saliva for moisture the food and easy entry into the digestive tract. During this time, various enzymes including salivary amylase will begin to break down the long chain of starch in food such as bread, potatoes, pasta.

Food will be carried down the oesophagus and mixed with acidic digestive juices and various enzymes down the stomach. It can remain in the stomach for a few minutes or several hours. When the food has been churned into a chyme, (known as a creamy mixture) the pyloric sphincter opens and allows the chyme to gradually pass into the small intestine.

The Small Intestine

Phase 2. That’s where digestion and absorption of fats, protein, and carbohydrates happens. Other organs are also involved in the digestive process like the gall bladder that provides bile salts to make fats easier to absorb. The pancreas provides bicarbonate to neutralise the acidic chyme as well as produces further digestion. The cells that makeup of the small intestine wall, also produce digestive enzymes to digest food and they help to neutralise the acid.

The Large Intestine

Phase 3. The large intestine is about 1.5m long and contains over 400 different species of bacteria waiting to break down the remains of undigested food in the small intestine which mostly is dietary fibres.

Eating a Healthy Diet

Foods that are rich in fibre, vitamins, minerals like whole grains and leafy vegetables should be eaten as possible

High Fibre Foods For Healthy Diet

Why whole foods are important in our diet?

Whole foods are the food which is very close to their natural state without modification and alteration. You can eat walnuts straight from a tree.

On the other hand, processed walnut milk is not a whole food.

Whole foods retain all their natural nutritional value, especially when eaten raw i.e. carrots, cucumbers, bananas, apples, melons etc. Food such as legumes, beans, potatoes, tomatoes is all whole food. The cooking process can affect their nutritional value but can still support our health.

Certain foods like tomatoes are great to consume in both forms raw and cooked. For instance, Vitamin C and phytonutrient lycopene in cooked tomatoes can be beneficial.

Whole foods are extremely to consume daily. They contain fibre, vitamins and minerals. Fibre aids the movement of food through the gut.

A diet that is rich in fibre, may greatly reduce the risk of developing colorectal cancer or heart disease. We should also avoid eating processed food as these foods contain a large number of preservatives, additives and saturated fats. They have little nutritional value and often do not contain fibre

Why excess protein is difficult to digest?

Because high protein food doesn’t contain fibre and it’s difficult to digest. Indigested food sits in the intestines for a very long time and feeds unhealthy bacteria. In order to remove the waste, we need fibre to eliminate it. A diet that’s rich in meat is common for this problem because meat doesn’t contain any fibre

What are the symptoms of indigestion? 

Symptoms of Indigestion
  • Abdominal pain
  • Belching and gas
  • Bloating
  • Heart burning sensation
  • Acidic taste
  • Possibly nausea and vomiting

How does stress affect our digestive system? 

Stress can upset the balance of digestion as well as affect the nerves of the digestive system which could lead to slowing down of the process of digestion. This could cause constipation, diarrhoea, bloating and even develop peptic ulcers, IBS, and pain. 
How can prolonged stress affect our body?
 To stress for a short duration is okay as it may even be beneficial for us. It’s there to alarm us in terms of danger and help us to react accordingly.

How does stress affect our digestive system

However, modern lifestyle tends to stress people on regular basis producing ongoing stress. Stress means elevated cortisol levels on an ongoing basis. If cortisol is high at all times, the adrenal glands will become exhausted by producing high levels of cortisol on an ongoing basis. This will stop producing a high level of cortisol when it’s most needed because of adrenal glands depletion.

How can indigestion be prevented? 

Avoid food and beverages that contain a high amount of caffeine and sugar. Eat small portions of meals and eat often at regular intervals. 

Eating Right – Happy Digestive System

Avoid exercising on a full stomach. For smokers: quit smoking, or don’t smoke just before the meal and straight after the meal. 
The last meal should be eaten 3-4 hours before going to bed and sleeping with your head elevated at 6 inches plus above the feet. 
How does eating ‘moderately, slowly and regularly’ help to maintain the healthy digestive system? 
Eating moderately, slowly at regular intervals is beneficial for our health and to keep our digestive system at an optimum level. 
We start eating by putting food in our mouth. We should chew our food well, slowly and thoroughly into small pieces. By eating this way, we encourage easy digestion. At the same time, we should relax during eating as it helps the nerves of the digestive system. 
Eating moderate portions at regular times will prevent overheating that could cause bloating. It also will ‘train’ the digestive system to expect food at regular times receiving regular meals and helps avoid overeating.

Sources

How Is Protein Digested? healthline.com
“A diet high in whole and unrefined foods favourably alters lipids, antioxidant defences, and colon function” Bruce, B; Spiller, GA; Klevay, LM; Gallagher, SK (2000). 
Whole grain can contribute to health by changing intestinal serotonin production – ScienceDaily.
High intake of dietary fibre and whole grains associated with reduced risk of non-communicable diseases – ScienceDaily.

You can also check out:

https://strongwithplants.com/how-to-get-rid-of-candida-naturally/

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by | Sep 1, 2020

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<a href="https://strongwithplants.com/author/inga/" target="_self">Inga K</a>

Inga K

Inga became vegan in March 2018. After a series of documentaries that hit hard, she and her husband switched to a plant-based diet within a week and vegan soon after.Inga has a UK Level 5 Advanced Diploma in Diet and Nutrition.

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Strongwithplants.com is a blog for anyone who strives for a healthy and happy life. We share healthy plant-based (and often oil-free) recipes and give you the best tips on finding vegan local food whilst travelling, promoting a plant-based lifestyle focusing on good health and spiritual wellbeing.

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