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 3

Triacylglycerol composition of crude palm oils extracted just after storage of the fruits at room temperature, and after combined storage at room temperature then freezing.

Triacylglycerols (wt% of total identified and quantified TAGs)
	PLL	OOL	POL	PPL	OOO	SOL	POO	PPO	PPP	SOO	PSO	PPS	SSO
Storage time (days)	CPO extracted directly after storage at room temperature

1	1.7^ab	1.8^a	10.5^a	8.1^a	4.8^a	1.9a	25.2^a	28.5^a	3.7^a	3.9^b	8.9^a	1.0^a	0.82^b
3	1.8^b	1.9^a	11.1^a	8.2^a	4.5^a	1.5a	25.1^a	28.7^a	3.6^a	3.8^ab	8.1^a	1.0^a	0.83^b
5	1.6^ab	1.7^a	10.6^a	8.0^a	4.3^a	1.8a	25.5^a	29.5^bc	3.7^a	3.7^ab	8.0^a	0.9^a	0.82^b
7	1.7^ab	1.8^a	10.7^a	8.1^a	4.3^a	1.9a	25.2^a	29.2^b	3.6^a	3.6^a	8.1^a	1.0^a	0.79^a
9	1.5^a	1.6^a	10.4^a	7.5^a	5.3^a	1.7a	25.5^a	29.7^c	3. 5^a	3.6^a	8.1^a	0.9^a	0.83^b

	CPO extracted after combined storage at room temperature then freezing

1	< LOD	< LOD	2.6^a	5.3^c	0.0^a	< LOD	23.4^a	44.5^e	8.0^d	1.4^a	11.9^c	1.8^c	1.2^b
3	< LOD	< LOD	3.5^b	3.9^b	0.0^a	< LOD	31.0^b	39.6^d	5.2^c	2.4^b	11.8^b	1. 3^b	1.3^c
5	< LOD	< LOD	4.5^c	3.9^b	2.6^b	< LOD	31.4^b	36.8^c	4.5^b	3.1^c	10.8^b	1.2^b	1.1^b
7	< LOD	< LOD	4.7^c	3.3^a	5.5^c	< LOD	31.1^b	35.1^b	4.5^b	3.4^d	10.2^b	1.2^b	1.0^b
9	< LOD	1.5^b	6.0^d	3.2^a	7.8^d	< LOD	33.5^c	29.7^a	3.6^a	4.4^e	8.5^a	0.9^a	0.9^a

Results are means of a duplicate analysis. For the same storage conditions, means with different letters in the same column differ significantly (Tukey’s test. p < 0.05). P: palmitic acid (16:0); S: stearic acid (18:0); O: oleic acid (18:1n-9); L: linoleic acid (18:2n-6). LOD = 0.2 wt%).

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