Concentration of ethanol (%)

Mass of dried residue (mg)

Mass of the ursolic acids (mg)

Content of the ursolic acids (%)

Recovery of the ursolic acids (%)

0

17.2 ± 0.25

0

0

35

29.0 ± 0.31

0

0

70

64.4 ± 0.19

28.6 ± 0.98

62.9 ± 0.91

80

116.2 ± 0.35

95.3 ± 0.85

74.9 ± 1.51

Collection of 60 - 70

180.6 ± 0.85

113.9 ± 0.75

63.06 ± 0.86

76.02 ± 1.22