Evidence-Based Complementary and Alternative Medicine

Research Article

Chemical Composition, Antibacterial Activity, and Antibiotic Potentiation of Boswellia sacra Flueck. Oleoresin Extracts from the Dhofar Region of Oman

Table 2

The mass of dried extracted material, the concentration after resuspension in deionised water (containing 1% DMSO), and qualitative phytochemical screenings frankincense oleoresin extracts.
Sample codeExtract solventMass of dried extract (mg)Concentration of resuspended extract (mg/mL)Total phenolicsWater-soluble phenolicsWater-insoluble phenolicsCardiac glucosidesSaponinsTriterpenoidsPhytosterolsAlkaloidsFlavonoidsTanninsFree anthraquinonesCombined anthraquinones
1M68768.7+++++−++++−+++−−−
W33833.8+++++−+++++−++−−−
2M59659.6++++−−+++++−++−−−
W38538.5+++++−++++−++−−−
3M62362.3++++−+++−++−−−
W40440.4++++−−++++−++−−−
4M59359.3+++++−+++++−++−−−
W34834.8+++++−++++−++−−−
5M57357.3++++−−+++++−++−−−
W32232.2+++++−++++−++−−−
6M54554.5++++−−+++−++−−−
W39439.4++++−++++−++−−−
7M64064+++++−+++++−++−−−
W27627.6+++++−+++++−+++−−−
8M58758.7+++++−++++−++−−−
W30630.6+++++−+++++−++−−−
9M57057+++−−+++−++−−−
W34534.5+++++−++++−++−−−
Notes. +++ indicates a large response; ++ indicates a moderate response; + indicates a minor response; − indicates no response in the assay. M = methanolic extract; W = aqueous extract.