In the mouth of people!!!
The enzymes that begin the process of breaking down starch molecules are located in the mouth. These enzymes, such as amylase, are produced by salivary glands and help initiate the digestion of carbohydrates as we chew our food.
The salivary glands have an enzyme called amylase that begins the breakdown of starch.
There is no hormone that is secreted from the mouth. However, there is an enzyme amylase that is part of the digestive system.
Saliva digests carbohydrate. Saliva contains a carbohydrase enzyme called amylase, which breaks down carbohydrates. Amylase is also produced later on in the digestive system and so the amylase here is immaginatively termed salivary amylase.Saliva contains the enzyme amylase (here it is called called salivary amylase) which is responsible for part of the digestion of carbohydrates like starch.
Saliva (salivary glands) and the pancreas both contain the enzyme (amylase) that breaks starches down into simple sugars.
Salivary amylase in the mouth starts some of the breakdown. Further breakdown occurs in the small intestine where the remaining starch is acted upon by pancreatic amylase.
The salivary glands have an enzyme called amylase that begins the breakdown of starch.
In the mouth, salivary amylase works to break down cooked starch into maltose. The duodenum (first part of the small intestine), pancreatic amylase works to do the same. Amylase only works in these places because they provide the optimum pH conditions for amylase to work (range from pH 6 - 8).
Salivary Glands
Salivary Glands secrete saliva.They have digestive functions: plus they product binds food together,and begins digestion of carbohydrates. They also procude a mild antibiotic.They make the enzyme salivary amylase which breaks polysaccharides into disaccharides and starch into disaccharides.There are three types of salivary glands:1. parotid = largest; lies over masseter muscle2. submandibular = floor of mouth; lateral,3. sublingual = floor of mouth, medial.Each salivary gland is composed of 2 types of cells:a. mucous cells secretes mucus and b.serous cells secretes a watery substance, serous fluid.
Saliva is made by 3 pairs of salivary glands - the parotid gland sited in front and just below each ear and secretes amylase, the submandibulars on the inner sides of the lower jaw bone, and the sublinguals in the floor of the mouth below the tongue. There are also many smaller accessory glands which are found in the mucous membranes lining the mouth and tongue. Many small rounded glandular structures known as 'acini',seperated by connective tissue discharge their saliva into tiny central ducts. Acinar ducts converge into the main saliva carrying glandular ducts. Saliva is made up of mostly water (99.5%) but also contains important solutes such as amylase, a digestive enzyme which starts the breakdown of starches and salts. It lubricates food to make chewing and swallowing easier and keeps the mouth moist.
The oral cavity begins limited digestion of carbohydrates and lipids.The tongue secretes mucins and the enzyme lingual lipase. The parotid salivary glands produce a serous secretion containing large amounts of salivary amylase, an enzyme that breaks down starches (complex carbohydrates).Cells of the submandibular glands secrete a mixture of buffers, glycoproteins called mucins, and salivary amylase.