Physico-Chemical Properties, Functional Properties, and Chemical Compositions Of Ziziphus Mauritiana (Jujube) Seed Oil

This study investigated the physico-chemical properties, functional properties, and chemical compositions of Ziziphus mauritiana (Jujube) seed oil using standard analytical methods. The results indicated that Jujube seed oil exhibited swelling capacity of 6.10±0.23 %, water absorption capacity of 20.22±0.45, oil absorption capacity of 18.53±0.43%, bulk density of 0.583±0.01%, gelatinization temperature of 72.34±1.67%, foaming stability of 56.36±0.12%, foaming capacity of 8.29±0.02%, emulsion ability of 30.21±0.13 and emulsion stability of 27.62±0.89. the oil also shows specific gravity of 0.913±0.08 Kg/L, acid value of 2.27±0.17 mgKOH/g, saponification value of 192.40±9.98 mgKOH/g, peroxide value of 2.22±0.12 mmol/Kg, free fatty acid of 1.14±0.09 % and iodine value of 66.74±4.29 g/100g. a total of 19 chemical compound were identified from Z. mauritiana seed oil using GC-MS. The most abundant compound N-[3-[N-Aziridyl] propylidene] hexyl amine with retention time (RT) and peak area (PA) of 5.523 s and 38.32 respectively, followed by Benzeneethanamine, 4-methoxy-2-Butyne-1,4-diol with RT and PA of 9.833% and 7.29 respectively while terebic acid, n-Capric acid and oxalic acid were among the least abundant compounds identified. In conclusion, the seed oil of Ziziphus mauritiana (Jujube) exhibited a desirable characteristic for nutritional and industrial application.

Keywords: Physio-chemical; Functional properties; Chemical compositions; Ziziphus mauritiana; Seed oil