Effect of some Cultivation Factors and Extraction Methods on Terminalia Catappa L. Seed Oil

Table 2

Extraction oil yield and residual oil content of different extraction method.

Extraction methods	Oil extraction yield (%)	Residual oil content (%)
M1
M2
M3
M4
M5
P value	<0.0001	<0.0001

Note: different letters (a, b) showed the significant difference in the same column at 0.05 level. The oil extraction methods: cold screw pressing (M1), hot screw pressing (M2), hydraulic pressing (M3), solvent extracting (M4), and cold screw pressing combined with cake solvent extraction (M5).