In Vitro Schistosomicidal Activity of Some Brazilian Cerrado Species and Their Isolated Compounds

Table 1

CG/MS identification of the main chemical constituents of the 𝑛-hexane fractions of R. montana (RM-1), S. syringifolius (SS-1), and S. vinosa (SV-1).

Source/compound	M^+	𝑡𝑅 (min)	Concentration (%)
R. montana (RM-1)
Ethyl pentadecanoate	270	29.935	8.89
Fytol	296	33.653	17.91
Squalene	410	52.799	4.18
𝛾-tocopherol	416	60.342	11.71
Lupeol	426	72.546	8.05
𝛽-amyrin	426	70.015	1.34
𝛼-amyrin	426	72.230	0.76
𝑛-tetracontane	619	51.188	3.85
S. syringifolius (SS-1)
Methyl palmitate	270	5.842	0.30
𝑛-heneicosane	296	9.437	2.74
𝑛-nonacosane	408	11.562	13.57
Clionasterol	414	27.655	1.21
Lupeol	426	34.065	22.03
𝛽-amyrin	426	31.128	12.75
𝛼-amyrin	426	33.706	5.04
9,19-ciclolanostan-24-en-3-ol	426	31.883	1.74
𝛽-friedelanol	428	38.254	10.29
9,19-ciclolanostan-3-ol, 24-methylene	440	33.456	1.96
𝛼-amyrin acetate	468	35.235	1.41
Lupeol acetate	468	35.680	9.87
𝑛-tetracontane	619	14.624	3.08
S. vinosa (SV-1)
Spathulenol	220	18.130	7.84
Ethyl palmitate	284	32.450	4.57
Stigmasterol	412	63.660	3.28
Sitosterol	414	65.045	1.39
Lupenone	424	66.225	1.33
Lupeol	426	67.015	27.91