Enzyme Nutrition Chart

Organs of the digestive system Source Of Enzymes Enzymes Substances acted upon Product
Mouth Salivary glands Amylase, Ptyalin Starch Complex sugars
Stomach Gastric glands Pepsin Proteins Peptones and Amino acids
Pancreas Pancreatic juice Trypsin
Amylase
Lipase
Proteins
Carbohydrates
Fats
Peptide Maltose or sugars Fatty acids and glycerol
Small intestine Intestinal glands Erepsin
Maltase
Lactase
Sucrase
Peptides
Maltose
Lactose
Sucrose
Amino acids, Glucose and other sugars
Liver Bile No enzyme only bile salts Fats They help in absorption of fats by combining with fat soluble substance like cholesterol. Bile contains sodium bicarbonate which neutralizes HCL.


1. The purpose of enzyme is to break down complex food materials into simpler substances which can be assimilated by our system.

2. The hormonal regulation of secretion of digestive juices is brought by various local hormones of the digestive tract mentioned below:

a) Gastrin: Influences the secretion of digestive juices in stomach.

b) Secretin: From the duodenum; stimulates the flow of pancreatic juice.

c) Pancreozymin: Helps to produce the flow of pancreatic enzymes.

d) Cholecystokinin: Influences the flow of bile from Gallbladder.

e) Enterogastrone: Is released from duodenum and helps in stoppage of gastric secretion.

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