Characterization of oils from Duranta repens leaf and seed

Emmanuel Agomuo; Peter Amadi; Charity Ogunka-Nnoka; Benjamin Amadi; Mercy Ifeanacho; Uche Njoku

doi:10.1051/ocl/2017048

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Volume 24 / No 6 (November-December 2017)

OCL, 24 6 (2017) A601

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Table 1

Physicochemical properties of Duranta repens leaf and seed oil.

Properties	Leaf oil	Seed oil
Peroxide Value (Meq/KOH/kg)	20.00 ± 2.00^a	12.29 ± 0.85^b
Iodine Value (g I₂/100 g)	72.65 ± 3.25^a	44.84 ± 1.74^b
Saponification Value (mg KOH/ g)	166.93 ± 7.47^a	192.50 ± 3.75^b
Specific Gravity	1.02 ± 0.01^a	1.64 ± 0.07^b
Melting Point (°C)	9.01 ± 1.13^a	14.62 ± 1.26^b
pH	5.42 ± 0.04^a	6.16 ± 0.13^b
Acid Value (mg KOH/g)	34.00 ± 3.27^a	21.01 ± 1.51^b
Refractive Index	1.39 ± 0.10^a	0.81 ± 0.03^b
Moisture (%)	7.00 ± 1.10^a	2.41 ± 0.32^b
Thiobarbituric Acid (μg/kg)	0.18 ± 0.01^a	0.10 ± 0.01^b
Oil yield (%)	2.05 ± 0.37^a	7.46 ± 0.92^b

Values are means ± standard deviations of triplicate determinations.

Values bearing different superscript letter (a, b) across the row are significantly different (p < 0.05).

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