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Abstract

Carnosic acids and other bioactive substances in rosemary essential oil help regulate weight by decreasing dietary fat absorption. This study examined how 380mg of encapsulated rosemary oil affected body mass index and waist-to-hip ratio. 40 obese women were studied. The eight-week study. Before and after the study, BMI and WHR were measured. This study used two-sample t-tests. This study found that rosemary oil was a light-yellow liquid with a distinct smell and soluble in polar solvents like alcohol. Its relative density was 0.91±0.18, the refractive index was 1.39±0.06, pH was 6.01±0.31, and optical rotation was -4.87 o . It contained moisture content (9.27±1.38)%, total ash (6.98±0.18)%, water soluble ash (4.01±0.06)%, and acid soluble ash (1.89±0.31)%. Total phenolic content (TPC) was 123.74±0.02mg GAE/g and total flavonoid content (TFC) was 57.21±0.11mg QE/g. Results showed a significant reduction in body mass index in treatment groups. The treatment group showed a reduction in body mass index from 37.29±9.86 to 35.21±18.74. However, the control group showed no change. Results showed a significant reduction in the waist-to-hip ratio from 0.97±0.03 to 0.91±0.04. However, the control group showed a slight increase in the waist-to-hip ratio over the period. Thus, rosemary oil can be useful in the management of obesity.