TOTAL PHENOLICS, TOTAL FLAVONOIDS, ANTIOXIDANT ACTIVITY AND ANTIBACTERIAL PROPERTY OF PROPOLIS PRODUCED BY THE STINGLESS BEE, Tetragonula biroi (Friese), FROM LAGUNA AND QUEZON, PHILIPPINES

The total phenolics (TP) and total flavonoids (TF) of the ethanolic extracts of null Tetragonula biroi null (Friese) propolis obtained from selected municipalities in Laguna and Quezon, Philippines were determined using Folin-Ciocalteau and aluminum chloride colorimetric methods, respectively. The antioxidant activities were determined using ferric ion reducing antioxidant power (FRAP), hydrogen peroxide scavenging activity (HPSA) and...