Abstract

• Bee pollens of kapok and sunflower field sites were collected from Division of Apiculture, Naypyitaw during June-February, 2017. Bee pollens come from the pollen baskets of returning foragers of bee were gathered by bee house. Bee pollen grains were examined by light microscope and photomicrographs. The characters of each pollen grain were identified and classified by using literatures. Pollen grains of 12 species belonging to 10 genera of 8 families were found in the kapok and sunflower field sites. They are lbizia, Mimosa, Ceiba,Celosia, Physalis and ernonia. And then, the pollen species of sunflower field sites were obtained lbizia, Brassica, ichardsonia, cimum, elianthus and ernonia. Among them, ernonia pollen grains are found in both two sites. The pollen grains are monads, tetrads and polyads. Tetrad grain is observed in only one species Mimosa; polyads as in 2 species of lbizia and the remaining of 9 species are monads. The aperture type, number, position, size, sculptures of each grain were presented and varied. There are colpate, colporate and porate. The aperture types are 3 species of colpate (Brassica, ichardsonia and cimum), 3 species of colporate (Ceiba, Physalis and elianthus) and 3 species of porate (Mimosa, Celosia, ernonia and 2 species of lbizia). The smallest pollen (15.5 17.5 16.5 18.0 m) is Mimosa pudica L. and the largest pollen (43.8 102.5 75.5 120.0 m) is lbizia saman (Jac.) Merr. The nutritional values were carried out at Department of Research and Innovation Analysis Department. According to the analysis of D.R.I, nutritional values of bee pollens were found carbohydrate (sugar) as major constituents and followed by protein. And then, antimicrobial activity was performed in the microbiological laboratory of Dagon University. The ethanolic and methanolic extracts of bee pollen had provided the best clear zone against Escherichia coli and Pseudomonas aeruginosa in microbial activity.