Page 71 - Medicinal Plants 06-PG-101_First year_PharmD clinical

Sucrose (Fruc-Glu) Sucrase
Raffinose → Fructose + Glucose
Raffinose
Sucrase
(Fruc--Glu – Gal) → Fructose + Melibiose

Melibiase
(Fruc-Glu – Gal) → Sucrose + Galactose

Figure 14. Example of enzyme action model

The speed of enzyme action is affected by many factors:
1- Concentration of the enzyme.
2- Temperature.
3- pH.
4- Substrate concentration.

1- Concentration of the enzyme

If there is an increase in the amount of the enzyme, the speed of the
reaction that is catalysed will also increase.

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