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Headspace volatiles of the edible fruit pulp of Parinari curatellifolia growing in Malawi using solid phase microextraction
Head-space volatiles of the edible pulp of the mobola plum (Parinari curatellifolia) were extracted using solid
phase microextraction (SPME), and their identities determined by GC–FID and GC–MS systems. The SPME
method extracted eleven major compounds accounting for 99.0% of the volatile constituents. The volatiles
were ethyl butyrate, 28.7%; ethyl isovalerate, 19.3%; ethyl valerate, 12.4%; ethyl hexanoate, 3.7%; ethyl benzoate,
2.5%; isoamyl isovalerate, 0.3%; phenol, 10.5%;α-bergamotene, 1.1%; β-farnesene, 3.0%; 2,6-diterbutyl-4-methylphenol,
3.1% and phenylacetonitrile, 14.4%. Thus, the valerate and butyrate esters are themost abundant volatiles
in the head-space of the edible pulp of the ripe fruit using the SPME method. The compounds, ethyl isovalerate,
ethyl valerate, isoamyl isovalerate, phenol, 2,6-diterbutyl-4-methyl-phenol, phenylacetonitrile, α-bergamotene
and β-farnesene were identified for the first time in the head-space of this fruit.