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CharacterizationoftheSeedOilandMealfromMonechmaciliatumandPrunusmahalebSeeds HYPERLINK"http://findarticles.com/p/articles/mi_hb5762/"JAOCS,JournaloftheAmericanOilChemists'Society,HYPERLINK"http://findarticles.com/p/articles/mi_hb5762/is_200908/"Aug2009byHYPERLINK"http://findarticles.com/p/search/?qa=Mariod,%20Abdalbasit%20Adam"Mariod,AbdalbasitAdam,HYPERLINK"http://findarticles.com/p/search/?qa=Aseel,%20Kawthar%20Mahmoud"Aseel,KawtharMahmoud,HYPERLINK"http://findarticles.com/p/search/?qa=Mustafa,%20Ali%20Abdalgadir"Mustafa,AliAbdalgadir,HYPERLINK"http://findarticles.com/p/search/?qa=Abdel-Wahab,%20Siddig%20Ibrahim"Abdel-Wahab,SiddigIbrahim Abstract TheoilandmealfromMonechmaciliatum(blackmahlab)andPrunusmahaleb(whitemahlab)seedswerecharacterizedfortheirphysicochemicalproperties.Theoilcontentwasfoundtobe30.95and13.15%inwhiteandblackmahlabseeds,respectively.Therefractiveindicesofwhitemahlaboil(WMO)andblackmahlaboil(BMO)were1.475and1.470,andspecificgravitieswere0.8511and0.8167g/cm^sup3^,respectively.Saponificationvalueswere184.23and180.3mgKOH/g,peroxidevalueswere2.54and4.43meq/kg,andunsaponifiablematterwas0.92and0.66%,respectively.Themajorfattyacidswerepalmitic4.5%,stearic16.0%,oleic47.3%,andlinoleic31.4%inBMO,whileinWMOtheywerepalmitic5.7%,oleic45.0%,andlinoleicacid47.0%.Amoderateamountoftocopherolswerefoundat45.2and28.5mg/100ginBMOandWMO,respectively.Proteincontentwasfoundtobe21%inblackand28%inwhitemahlabseeds.Thetotalamountofaminoacidsinblackandwhitemahlabseedswasfoundtobe783.3and1,223.2mg/gN,respectively.Theconcentration(onppmdry-weightbasis)ofmajorelements(Ca,K,andMg)andofminorelements(Al,PbNi,Mn,Cu,Cr,Co,andFe)wasalsodeterminedinthemeals. KeywordsAminoacid*Fattyacid*ICP-MS*Mineralelements*Monechmaciliatum*Physicochemicalproperties*Prunusmahlab Introduction Recently,researchersallovertheworldhavebeenlookingtodiscovernewsourcesofoils.InSudanmanystudieshavebeendonelookingattheutilizationofwildplantsasasourceofunconventionaloilandtheirmaximumutilitie