Chemical profile and in vivo hypoglycemic effects of Syzygium jambos, Costus speciosus and Tapeinochilos ananassae plant extracts used as diabetes adjuvants in Puerto Rico

Table 1 Phytochemical analysis by TLC of plant extracts^a

Plant extract	Phytochemicals^b (Visible and UV fluorescence)
Plant extract	Flavonoids (orange, yellow)	Alkaloids (pink-orange)	Phenolics (dark blue)	Saponins (orange)	Sterols (purple)	Terpenoids (violet-pink)	Cardiac glycosides (orange)	Tannins (beige)
T. ananassae (met)	0.34, 0.41, 0.48	0.21, 0.30, 0.69, 0.84	0.21, 0.54, 0.81	0.93	0.78, 0.91	0.18	0.92	ND
S. jambos (met)	0.33, 0.37	0.15, 0.25, 0.31, 0.38	0.11, 0.33, 0.38, 0.43, 0.54, 0.56, 0.64, 0.70, 0.84, 0.90	0.36, 0.92	0.86, 0.95	0.05	0.91	0.79
C. speciosus (met)	ND	0.04, 0.32, 0.50, 0.56, 0.63, 0.73, 0.81	0.62, 0.78, 0.89	0.96	0.85, 0.94	0.14	0.91	0.78
T. ananassae (aq)	-	ND	0.36	0.67	-	ND	-	0.10-0.17^d
S. jambos (aq)	-	ND	0.06, 0.70-0.80	0.36, 0.52, 0.89	0.94	-	-	ND
C. speciosus (aq)	0.44-0.55^c 0.51-0.59	ND	0.06, 0.09, 0.20	0.66	0.95	ND	-	ND

^aRf values reported as the means of two chromatograms; ^bStandards: Quercetine (0.12, yellow-orange), Caffeine (0.55, light pink) and Nicotine (0.34, light pink), Hydroquinone (0.09, dark blue), Commercial saponin (0.28, orange), Stigmasterol (0.97, purple) and Ursolic acid (0.15, violet-pink), Digitoxin (0.75, orange), Tannic Acid (0.06, beige); ^cYellow at 366 nm; ^dYellow at 254 nm; ND Not detected

ISSN: 2662-7671