Different types of Enzymes and its role in Nutrition

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Everyone loves to have their favourite delicacies and dishes. Food is the basic unit of life; which plays a vital role to keep us alive. The process of eating food is called; ingestion. After getting ingested, food passes through several mechanism where they are broken, assimilated then digested. Here, we will be talking about “Enzymes” and their role in Nutrition.

What are Enzymes?

Healthy food for body

Healthy food for body

Enzymes are the chemical substances produced in the living organism. They are also the marvellous catalysts which are essential for life as they control  all the chemical reactions that takes place in a living system. Enzymes are the part of all living cells, including animals and plants. There are two types of Enzymes; Intracellular and Extracellular enzymes.

Enzymes which are used in the cells which make them are called intracellular enzymes; whereas enzymes which are produced in cells which secrete them to other parts of the body are known as extracellular enzymes. Digestive juices are an example of the latter type.

Why our mouth waters when we look at some delicious food?

Actually, when our mouth waters it is not the water; it is called saliva. Saliva is a kind of enzyme which is meant to soften and emulsify our food stuffs. Now, a question arises when we see towards some yummy food and some delicacies; why our mouth starts watering? Actually, the salivary glands gets active and starts producing saliva which means to breakdown of food.

Facts about Enzymes:-

How Enzymes help to digest the food

How Enzymes help to digest the food

  1. You must have seen, there are several syrups which are sweeter in taste are named as enzyme. They are called Artificial enzymes which are made of several chemicals with some fruity flavour. It increases your appetite and also treats lack of hunger.
  2. There are around 20,000 enzymes there in body, but still only 100 of them are known to us.
  3. Enzymes when mixed to food; form a part of it.
  4. Enzymes works nicely in moderate temperature; when it raises above 60°; permanently destroys their action. This is the reason, why we feel suffocate and indigestion occurs mostly during summers.
  5. Enzymes are the protein molecules made up of chains of amino acids.

Enzymes has their great impact and plays a big role in nutrition. All the living processes needs this to continue smoothly. Now, we will be having a look to the list of different types of Enzymes, their sources, substrates etc.

Enzymes in Human body

Source of EnzymeName of the EnzymeSubstrateProducts
MouthSalivary amylaseStarchDextrins and Maltose
Salivary glandsPtyalin
StomachGastric protease
Gastric mucosaPepsin, rennin, Gastric lipaseProteins, casein, Short and medium chained triglyceridesPolypeptides, Insoluble casein, Fatty acids and glycerol
Small intestinePancreatic Proteases trypsin, chymotrypsin, Pancreatic lipaseProteins, polypeptides and FatsSmaller polypeptides, amino acids, mono and dyglycerides
Intestinal mucosa BrushborderIntestinal peptidases, Intestinal saccharidases, Maltase, LactosePolypeptides, Dipeptides, LactoseGlucose, Fuctose, Smaller polypeptides
Description of different types of enzymes in Human body

Now, lets move to the another part of our topic. It is how enzymes works in the process of Nutrition. You all must be getting excited to know how actually this enzyme has its impact on nutrition process.

Mechanism of Enzymes in Nutrition:-

The process of digestion begins in the mouth which is also called oral cavity. The saliva in the mouth, besides helping to masticate the food carries an enzyme called ptyalin which begins the chemical action of digestion. It initiates the catabolism/breakdown of carbohydrates by converting starches into simple sugars. When the food is chewed, enzymatic actions proceed. It moves to the gears of oesophagus and reaches the stomach. There the food is kneaded and the physical action of peristalsis churns the solid food into a semi-solid amorphous mixture called chyme.

This mixture undergoes chemical changes initiated by gastric juices secreted by the walls of stomach. The juice is the combination of mucus, hydrochloric acid and gastric juices. It starts the breakdown proteins into absorb-able amino acids also called polypeptides. The gastric juice has no effect upon starches or fats. When the  chyme leaves the stomach and enters the stomach, it still contains much food which is in the form of raw material. Hence, the process of digestion is completed inside the small intestine by several juices.

Why Raw food contains enzymes in abundance?

Apart from cooked food, raw stuffs are considered as the best. Why so? It is also said raw vegetables and fruits are better than those of cooked ones. Raw stuffs contains enzymes in abundance, due to the process of cooking, pasteurizing, pickling, smoking and other processes destroys the enzymes p[resent in it. Studies have revealed that the body without sufficient raw materials may tire and produce fewer enzymes year after year.

Due to this, our body also stops responding to such nutrients; which ultimately leads to afflictions. This may lead to wearing out of body processes and consequent worn out looks. Eat well and live well!

She is a learner and health conscious person. She is always interested in seeking knowledge regarding Ayurveda, herbal medicine and Yoga to cure any health ailments naturally.
She holds a Bachelor Degree in Alternative Medicine.

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