Page 15 - Phytochemistry -1 (PG404) / Clinical Pharmacy 2nd level students ( 2019 )
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Clinical pharmacy PharmD program Third level Phytochemistry-1 (PG-504)
II. Test s for Ketoses
(1) Resorcinol test (Slwanoff's test):
* Positive for ketoses: fructose & sucrose, however glucose may
give this test but after prolonged heating.
* Select the white crystals for better results
- 2 Cobalt nitrate test:
or/ Violet color
Violet or purple color
* Positive for ketoses: fructose & sucrose
* Glucose: -ve ?
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