Interspecies variation of chemical constituents and antioxidant capacity of extracts from Jasminum sambac and Jasminum multiflorum grown in Malaysia

The chemical constituents from various process of extraction of Jasminum sambac and Jasminum multiflorum were identified by gas chromatography-mass spectrometry to depict their interspecies differences. Major compounds identified from methanol extract of J. sambac were β-farnesene (52.52%), nerolidol (19.85%) and benzyl alcohol (17.56%) whereas, headspace solid phase microextraction (HS-SPME) showed linalool (35.92%), benzaldehyde (17.92%) and benzyl alcohol (10.87%) while hydrodistillation yielded β-farnesene (45.13%), α-cadinol (26.21%) and linalool (9.96%). The methanol extract of J. multiflorum yielded nerolidol (42.44%), benzyl benzoate (39.00%) and jasmolactone (12.02%) whereas, HS-SPME eluted nerolidol (76.56%), jasmone (15.31%) and hexyl benzoate (4.40%) while hydrodistillation yielded hexenyl benzoate (35.89%), β-farnesene (24.62%) and α-cadinol (14.30%). The methanol extracts of both J. sambac (0.48%) and J. multiflorum (1.38%) showed DPPH free radicals scavenging activities with an IC50 value of 208 μg/mL and 81 μ/mL respectively. The antioxidant properties of Jasminum provided a natural preservative ingredient for food and pharmaceutical products.