Rubber Seed Oil Properties, Authentication and Quality Assessment Using (Chloroform: Methanol) as Solvent | Zendy

Emad͏͏͏͏͏͏͏͏͏͏͏͏͏͏͏͏͏͏͏ Yousif | Zendy; Bashar Mudhaffar Abdullah | Zendy; Hanan Ibraheem | Zendy; Jumat Salimon | Zendy; Nadia Salih | Zendy

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Rubber Seed Oil Properties, Authentication and Quality Assessment Using (Chloroform: Methanol) as Solvent

Author(s) -

Emad͏͏͏͏͏͏͏͏͏͏͏͏͏͏͏͏͏͏͏ Yousif,

Bashar Mudhaffar Abdullah,

Hanan Ibraheem,

Jumat Salimon,

Nadia Salih

Publication year - 2013

Publication title -

journal of al-nahrain university-science

Language(s) - English

Resource type - Journals

eISSN - 2519-0881

pISSN - 1814-5922

DOI - 10.22401/jnus.16.3.01

Subject(s) - unsaponifiable , saponification value , iodine value , chemistry , stearic acid , saponification , oleic acid , chromatography , linoleic acid , acid value , palmitic acid , fatty acid , chloroform , linolenic acid , organic chemistry , biochemistry

Physicochemical and instrumental characterization of rubber (Hevea brasiliensis (kunth. Muell.)) seed oil (RSO) were carried out for the purpose of quality assessment, identification, and authentication. Properties such as free fatty acid (FFA %), acid value, color, saponification value, iodine value, and unsaponifiable matter were determined. Fatty acid (FA) composition and TAG profiles were determined using gas chromatography (GC) and high performance liquid chromatography (HPLC), respectively. Structural features of RSO were also determined using FTIR, 1 H NMR and 13 C NMR spectroscopy. The natural form of RSO is highly acidic (acid value=17.43±0.06 mg KOH/g). The saturated FAs are palmitic (9.10±0.06) and stearic (12.63±0.01), and the main unsaturated FAs are oleic (25.31±0.13), linoleic (36.31±0.09), and linolenic (15.78±0.18). The oil can be classified as semidrying. Polyunsaturated TAGs of LnLnL and LnOO were the major TAGs found in RSO. FTIR, 1 H NMR and 13 C NMR analysis confirmed

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