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Digestion in the mounth

Digestion in the mounth

Item no.: P8012700

Difficulty Expenditure of Time print
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Principle

All digestive processes are induced by enzymes which are contained in the digestive juices - the saliva, gastric juice and pancreatic juice. In our mouth the food gets mechanically crushed and mixed with saliva. Saliva contains the enzyme ptyalin, an amylase. This enzyme cleaves starch into sugar; this is why starch containing foodstuffs taste slightly sweet when chewed for a longer time.

Benefits

  • Experiment is part of a complete solution set with a total of 44 experiments for botany, reproduction, soil, food and digestion, senses, physiology.

  • With student worksheet, appropriate for all class levels.

  • With detailed instructor information.

  • Optimized for tight schedules, i.e. minimum preparation time required.

  • Biology solution set specifically designed to include all required accessories.

Tasks

Examine the reaction of the enzyme ptyalin contained in the saliva.

 

Document     Filesize
p8012700e.pdf Experiment guide, English 317.6 KB

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