Impact of post-harvest storage and freezing of palm fruits on the extraction yield and quality of African crude palm oil extracted in the laboratory | OCL

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Table 4

Effect of palm fruit storage at room temperature on lipid oxidation in CPO extracted immediately, or after further frozen storage of palm fruits.

Days of storage before stripping	Direct extraction			Extraction after frozen storage

	Peroxide value	Anisidine value	TOTOX	Peroxide value	Anisidine value	TOTOX
1	0.0 ± 0.00^a	0.52 ± 0.00^a	0.5	2.27 ± 0.26^a	48.44 ± 0.20^a	53.0
3	0.0 ± 0.00^a	0.87 ± 0.00^a	0.9	2.16 ± 0.10^a	43.76 ± 0.10^b	48.1
5	0.47 ± 0.03^b	2.52 ± 0.03^b	3.5	1.79 ± 0.09^ab	39.15 ± 0.09^c	42.9
7	0.57 ± 0.03^c	9.12 ± 0.03^d	10.3	1.53 ± 0.10^b	37.76 ± 0.10^d	40.8
9	0.81 ± 0.07^d	9.97 ± 0.07^c	11.6	1.97 ± 0.23^ab	26.08 ± 0.23^e	30.0

Results are expressed as mean ± standard deviation (n = 3). TOTOX = 2 peroxide + 1 anisidine value. Means with different letters in the same column differ significantly by Tukey’s test (p < 0.05).

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