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Clinical pharmacy PharmD program Third level Phytochemistry-1 (PG-504)
▪ Thiosugars frequently act as inhibitors to enzymes for which the corresponding
non-sulfur monosaccharide is a substrate.
OH
O
HO H 2
HO S C C C CH 2
OH H
N
Sinigrin O S OH
O O
Honey
Honey is saccharine substances produced from flower nectar by the worker bees.
It is produced by the action of invertase enzymes (in the honey sac of bees) on
sucrose. Bees hydrolyzes sucrose to fructose and glucose (1:1 ratio) in a process
known as inversion of sugar.
Dextrorotatory (+) Levorotatory (-)
How Do Bees Make Honey?
Bees are the only insects which produce food for humans. The food the
honey bee produces is unique, good tasting, beneficial and nutricious. So, how
does a bee make honey?
• First, bees drink nectar from flowers using their long tongue. Their tongue
helps them to reach the nectar inside the flower.
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