and maintained at a constant ratio of HPMC and glycerol ¼ 3:1 (w/w) and stirred to obtain the HPMC solution. Beeswax at the ratio of beeswax and stearic acid of 5:1 (w/w) were used to prepare the HPMC þ Beeswax solution. Stearic acid was used as an emulsifier.