scholarly journals Physicochemical Properties of Alchornea cordiforlia, Cyperus esculentum and Irvingia gabonensis Seed Oils and Their Applications

2018 ◽  
pp. 1-7
Author(s):  
Akpe Michael Akomaye ◽  
Inezi Faith Patrick
Keyword(s):  
Physicochemical Properties ◽  
Palm Kernel ◽  
Chemical Properties ◽  
Plant Seeds ◽  
Kernel Oil ◽  
Light Yellow ◽  
Peroxide Values ◽  
Irvingia Gabonensis ◽  
Industrial Use ◽  
Iodine Values

The physicochemical properties of oils extracted from three locally available plant seeds in Nigeria namely: Alchomea cordiforlia, Cyperus esculentum and Irvingia gabonensis using n-Hexane were determined. The results of the analysis revealed that their % yield were 37.00, 27.50 and 33.00 for A. cordiforlia, C. esculentum and I. gabonensis respectively. Their odour was non-offensive and their colours were reddish, light yellow and milky white for A. cordifolia, C. esculentum and I. gabonensis respectively, making them bright and attractive. The specific gravity of the oils at 25oc was 0.91, 0.94 and 0.92 for A. cordiforlia, C. esculentum and I. gabonensis  respectively. Their flash points in °c were also 155, 159 and 229 respectively, indicating that I. gabonensis is the most thermally stable oil and suitable for frying. The chemical properties for A. cordiforlia, C.esculentum, and I. gabonensis respectively were as follows: Acid values in mgKOH/g were 24.67, 5.33 and 3.73. Peroxide values in mEqKg-1 were 7.26, 9.86 and 2.96. Saponification values in mgKOH/g were 162.13, 179.52 and 238.43. Iodine values in g/100g were 24.62, 11.68 and 3.38. These results indicate that the three seeds are viable sources of oil based on their % yield. They are good for both domestic and industrial use based on their acid, saponification and iodine values. Their properties in most cases compete favorably with palm kernel oil (PKO) which is currently being used for many domestic and industrial purposes in Nigeria especially for the making of paints, soap, cosmetics, lubricant, and varnishes.

scholarly journals Effect of Bleaching on the Physico-chemical Properties of Two Selected Vegetable Oils Using Locally Sourced Materials as Adsorbent

2019 ◽  
pp. 1-8
Author(s):  
Jeje, O. Ayorinde ◽  
A. E. Okoronkwo ◽  
O. O. Ajayi
Keyword(s):  
Palm Kernel ◽  
Chemical Properties ◽  
Oyster Shell ◽  
Cottonseed Oil ◽  
Kernel Oil ◽  
Peroxide Values ◽  
Physico Chemical ◽  
Iodine Values ◽  
Shell Powder ◽  
Periwinkle Shell

The quality and stability of palm kernel oil (PKO) and cottonseed oil (CTSO) as affected by bleaching using modified oyster shell powder (OSP) and periwinkle shell powder (PSP) were evaluated by analysing their physicochemical properties. The two adsorbents potential was improved on by modification using 5 M HCl and H2SO4. The determinations of the parameters were carried out by titration, while the refractive index was determined using a refractometer. The results indicate that the saponification values (SV) of PKO and CTSO increase after bleaching. However, the result further shows that the peroxide values (PV) of bleached PKO using OSP and PSP modified with 5 M HCl decreased (17.49±0.01 and 20.04±0.08 respectively) and also the iodine values decreased (3.15±0.13 and 3.41±0.02 respectively). The same decrease in PV and IV values is observed in PKO bleached using 5 M H2SO4. The values of PV for OSP and PSP are 4.99±0.005 and 12.77±0.77 respectively while the IV values for OSP and PSP are1.85±0.01 and 12.53±0.09 respectively. Also, 5 M HCl and H2SO4 modified OSP and PSP reduced the IV content in CTSO. (5 M HCl OSP and PSP are; 3.15±0.13 and 3.41±0.02 respectively while 5 M H2SO4 OSP and PSP values are; 3.33±0.04 and 3.13±0.06 respectively). The study revealed that the bleaching through the use of OSP and PSP influenced the components and properties of the PKO and CTSO, improved on their qualities and therefore, the adsorbents can serve as alternatives to the costly adsorbents available in the markets.

Physicochemical properties of phosphate ester from palm kernel oil

2013 ◽  
Author(s):  
Nor Rabbi'atul 'Adawiyah Norzali ◽  
Khairiah Haji Badri ◽  
Ishak Ahmad
Keyword(s):  
Physicochemical Properties ◽  
Palm Kernel ◽  
Phosphate Ester ◽  
Palm Kernel Oil ◽  
Kernel Oil

scholarly journals The Potential of Some Non-Conventional Vegetable Oils in Biodiesel Applications

2015 ◽  
Vol 11 (9) ◽  
pp. 3919-3929 ◽  
Author(s):  
Abolanle S. Adekunle ◽  
John A.O. Oyekunle ◽  
Basirat A. Tijani ◽  
WasiuO. Makinde ◽  
Olaoluwa R. Obisesan ◽  
...  
Keyword(s):  
Pour Point ◽  
Palm Kernel ◽  
Chemical Properties ◽  
Acid Value ◽  
Smoke Point ◽  
Experimental Conditions ◽  
Palm Kernel Oil ◽  
Kernel Oil ◽  
Biodiesel Blend ◽  
Conventional Oils

This work studied the potentials of some non-conventional oils biodiesel as an alternative to biodiesel made from a conventional seed oil (palm kernel oil), and petroleum-based diesel. The fruits of three non-conventional oilseeds, namely:PerseaAmericana (Avocado pear), Irvingiagabonenses (Dica nut) and Darcryodesedulis (Native pear)were obtained from local markets in Ile-Ife, Osun State Nigeria while petroleum-based diesel (PBD) used for comparative study was obtained commercially.The outer fleshylayers of the fruitswere separated from the seeds while both were air-dried for some days and later milled. The oils extracted from the milled samples were esterified to produce biodiesel usingmethanol in the presence of NaOH as catalyst. The biodiesels were analyzed for their fuel properties using standard methods.Results showed that the biodiesel yield ofIrvingiagabonensisoil diesel (IGOD),Darcryodesedulisoil diesel (DEOD) and Persia americanaoil diesel (PAOD) were94%, 82% and 96% respectively. These values compared favourably with that of palm kernel oil diesel (PKOD) (91%) produced under same conditions, and with the literature standard yield of 96.5% set for biodiesel. The pour pointsof PKOD, PAOD and DEOD were3, -6 and 1oC,respectively, with PAOD pour point very close to that of PBD (≥-10oC) obtained under similar experimental conditions. Except for IGOD, all the oils have pour points within the standard range of -15 to 16oC set for biodiesel suggesting the suitability of the oils for biodiesel applications.The iodine values of the biodiesel ranged between 9.64 and 16.52 meq/kg and agreed closely with 12-18 meq/kg reported in literature for PKOD. The biodiesel blend with PBD in the ratio 10:90, 20:80, 30:70 and 40:60 demonstratedimprovedphysico-chemical properties (including smoke point, flash point, cloud point, pour point, density, viscosity and acid value) that could meet the fluidity requirements for biodiesel applications.

EFFECT OF CHEMICAL AND ENZYMATIC INTERESTERIFICATION ON THE PHYSICOCHEMICAL PROPERTIES OF PALM OIL AND. PALM KERNEL OIL BLENDS

2016 ◽  
Vol 78 (11-2) ◽  
Author(s):  
Norizzah Abd Rashid ◽  
Nur Azimah Kamarulzaman ◽  
Zaliha Omar
Keyword(s):  
Physicochemical Properties ◽  
Palm Oil ◽  
Palm Kernel ◽  
Solid Fat Content ◽  
Enzymatic Interesterification ◽  
Chemical Interesterification ◽  
Natural Form ◽  
Palm Kernel Oil ◽  
Oil Blends ◽  
Kernel Oil

Palm oil (PO) and palm kernel oil (PKO) have different chemical composition and physical properties. Both oils have limited application in their natural form. To widen their commercial values, PO and PKO were modified by blending and subsequently followed by interesterification (IE). Interesterification is the rearrangement of fatty acids within and among different triacylglycerols, using enzyme or chemical as the catalysts. Palm oil with iodine value (IV) of 52.6 and PKO (IV = 17.5) were mixed in different ratios from 25:75 to 75:25 (%wt/wt) at 25% increment. The blends were subjected to chemical and enzymatic interesterification using sodium methoxide and Lipozyme TL IM as catalysts, respectively. The effects of chemical and enzymatic interesterification on the triacylglycerols (TAG) composition, thermal properties, solid fat content (SFC) and slip melting point (SMP) were investigated.  Chemical interesterification (CIE) caused significant changes in the TAG composition of the oil blend compared to enzymatic interesterification (EIE). This changes led to a significantly higher (p<0.05) SMP for the chemically-interesterified than the enzymatically-interesterified blends. The differential scanning calorimetry (DSC) melting thermograms confirmed that harder product with higher final complete melting temperature was obtained from the chemically-interesterified blends. Similar SFC profiles for all oil blends were observed with steep SFC slopes for blend with high proportion of PKO. Chemical interesterification reduced the eutectic interactions that occurred at 5 to 25°C in the non-interesterified and enzymatically-interesterified blends. Thus, CIE caused significant changes in physicochemical properties of the PO and PKO blends compared to EIE. Results from this study could improve the existing PO and PKO properties and widen their usage in food and non-food applications.

Effect of drying on the physical and chemical properties of palm kernel oil

2022 ◽  
Author(s):  
Mina Habibiasr ◽  
Mohd Noriznan Mokhtar ◽  
Mohd Nordin Ibrahim ◽  
Khairul Faezah Md Yunos ◽  
Nuzul Amri Ibrahim
Keyword(s):  
Palm Kernel ◽  
Chemical Properties ◽  
Physical And Chemical Properties ◽  
Palm Kernel Oil ◽  
Kernel Oil ◽  
Physical And Chemical ◽  
And Chemical Properties

Investigation on physical, thermal and chemical properties of palm kernel oil polyol bio-based binder as a replacement for bituminous binder

2019 ◽  
Vol 204 ◽  
pp. 122-131 ◽  
Author(s):  
Mohab Yaser Alamawi ◽  
Faridah Hanim Khairuddin ◽  
Nur Izzi Md. Yusoff ◽  
Khairiah Badri ◽  
Halil Ceylan
Keyword(s):  
Palm Kernel ◽  
Chemical Properties ◽  
Palm Kernel Oil ◽  
Kernel Oil ◽  
And Chemical Properties
Sign in / Sign up

Export Citation Format

Share Document