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Table 2 Boswellic acids in frankincense essential oil fractions

From: Frankincense essential oil prepared from hydrodistillation of Boswellia sacra gum resins induces human pancreatic cancer cell death in cultures and in a xenograft murine model

  Specific gravity Total boswellic acids (mg/ml)
Fraction I 0.885 0.91
Fraction II 0.866 0.81
Fraction III 0.852 19.6
Fraction IV 0.847 30.1