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Clinical pharmacy PharmD program Third level Phytochemistry-1 (PG-504)

CO 2 gas, where calcium carbonate is precipitated and fructose is separated from

the filtrate by concentrating and crystallization.

Properties:

▪ Colorless crystalline or granular powder, soluble in water.

▪ Sweeter than glucose and twice as sweet as sucrose.
▪ Reduces Fehling’s and Barfoed’s solution.

▪ Forms osazone (Fructosazone, identical to that of glucose).

▪ Exhibits mutarotation:

-D-(-)-Fructose -D-(-) Fructose
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a) Seliwanoff’s test for ketoses: + ve.
Fructose + HCl + Resorcinol Heat Red color Brown ppt.

b) Cobalt nitrate: violet color

Uses: added to infant feeding formulas, as it is easily digested than glucose.

N.B: It is synthesised in the seminal vesicles, and so present in large amounts in

male reproductive tract.

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