What in the world of juice and enzyme?////

April 24, 2011 - PRLog -- The first step in digestive process is in the mouth. Siliva mix in the food produce an(enzyme) which speed up chemical reaction in the stomach. The substance is called (stomach acid). It is a juice contain an enzyme which help digesting protein.

The stomach has three mechanical tasks. First, it stores the swolled food and liquid., To do this, the""muscle""" of the upper part of the stomach relaxes to accept large volumes of swolled materials.

The second job is to mix up the food, liquid and digestive juice produced, by the stomach. The lower part of the stomach mixes the materials by its muscle action.

The third job of the stomach is to empty its contents slowly into the small intestine. Several factors effect emptying of the stomach, including the kind of food and the degree of """muscle""" action of the emptying the stomach and the small intestine. After the food are again digested and transported throughout the body, the waste products including undigested parts of the food are pushed into the colon until the feces are expelled by a bowl movement.

SILIVA: Human saliva is composed of 98% water, while the other 2% consists of other compounds such as electrolytes, mucus, antibacterial compounds, and various enzymes.[1] As part of the initial process of food digestion, the enzymes in the saliva break down some of the starch and fat in the food at the molecular level. Saliva also breaks down food caught in the teeth, protecting them from bacteria that cause decay. Furthermore, saliva lubricates and protects the teeth, the tongue, and the tender tissues inside the mouth. Saliva also plays an important role in tasting food, by trapping thiols produced from odorless food compounds by anaerobic bacteria living in the mouth.[2]

ENZYME: Digestive enzymes are enzymes that break down polymeric macromolecules into their smaller building blocks, in order to facilitate their absorption by the body. Digestive enzymes are found in the digestive tract of animals (including humans) where they aid in the digestion of food as well as inside the cells, especially in their lysosomes where they function to maintain cellular survival. Digestive enzymes are diverse and are found in the saliva secreted by the salivary glands, in the stomach secreted by cells lining the stomach, in the pancreatic juice secreted by pancreatic exocrine cells, and in the intestinal (small and large) secretions, or as part of the lining of the gastrointestinal tract.
Digestive enzymes are classified based on their target substrates:
proteases and peptidases split proteins into their monomers, the amino acids.
lipases split fat into three fatty acids and a glycerol molecule.
carbohydrases split carbohydrates such as starch and sugars into simple sugars such as glucose, the simplest sugar on earth.
nucleases split nucleic acids into nucleotides.

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