The palm oil was obtained from Linkjon agro-based oil mill, Eziagu, Orumba South LGA in Anambra State. Red palm oil was dispensed into five different storage containers. The transparent plastic, opaque white plastic and opaque blue plastic were 750 ml container of 2 mm thickness and aperture of 25 mm with threaded seal cap, while the green bottle and transparent bottle (control) were 750 ml glass bottles of 5 mm thickness and aperture of 23 mm with threaded seal cap. Triplicate samples were used for treatments and control, arranged on laboratory table at completely randomized
178 J. Stored Prod. Postharvest Res.
Figure 1. Effect of storage on FFA values.
design (CRD) at ambient conditions. The quality indices (moisture content, free fatty acid (FFA), acid value, and saponification value) for the palm oil were determined at initial and bimonthly interval for the 12 months storage period using the AOAC (2000) methods of analysis. The data obtained were subjected to ANOVA and differences between means tested.