<Li> somatostatin: This hormone is produced by duodenal mucosa and also by the delta cells of the pancreas . Its main function is to inhibit a variety of secretory mechanisms . </Li> <P> Throughout the lining of the small intestine there are numerous brush border enzymes whose function is to further break down the chyme released from the stomach into absorbable particles . These enzymes are absorbed whilst peristalsis occurs . Some of these enzymes include: </P> <Ul> <Li> Erepsin: converts peptones and polypeptides into amino acids . </Li> <Li> Maltase: converts maltose into glucose . </Li> <Li> Lactase: This is a significant enzyme that converts lactose into glucose and galactose . A majority of Middle - Eastern and Asian populations lack this enzyme . This enzyme also decreases with age . As such lactose intolerance is often a common abdominal complaint in the Middle - Eastern, Asian, and older populations, manifesting with bloating, abdominal pain, and osmotic diarrhea . </Li> <Li> Sucrase: converts sucrose into glucose and fructose . </Li> <Li> Other disaccharidases </Li> </Ul> <Li> Erepsin: converts peptones and polypeptides into amino acids . </Li>

Where are the enzymes that break down maltose and peptides produced
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