ABSTRACT
Theeffectsofpackagingmaterialandtheuseofessentiallemonoil
(Citruslimon) on theproximatecompositionofsardine (Sardinellamaderensis) wasstudied.Thefreshly smokedsardine (Sardinellamaderensis) werepurchasedandpreservedwith lemon(Citruslimon)essentialoil (Citruslimon) andwaspackagedverywell,theywere dividedintofourdifferentgroups.Thefirstgroupwaspreservedwithlemonessentialoil andwasputinthenylon,thesecondgroupwasalsopreservedwithlemonessentialoil butwasnotputinsidethenylon,thethirdgroupwasnotpreservedwithlemonessential oilbutwaskeptinsidethenylon,whilethefourthgroupwasneitherpreservedwith lemonessentialoilnorkeptinthenylon.Allsampleswereallanalyzedforproximate composition.Thesamplewhichwaspreservedwiththeessentiallemonoilandanylon hadastablecompositionalvalues.Themoisturecontentrangedfrom(7.35+0.07)to
(4.40+0.14)andthecrudeproteinalsorangedfrom(42.75+0.35)to(44.55+0.07)while thelipidcontentalsorangedfrom(8.40+0.14)to(9.50+0.42).Thestudyrevealedthat essentiallemonoil(Citruslimon)andnylonwillnotonlyreducethesubstantiallossesin
nutritionalcontentoffishbutwouldalsoincreasesatisfactionwiththeprocessedfish. It thereforereveledbythestudythattheessentialoilfromlemon(Citruslimon)asa preservativehastheabilitytoconservethenutritionalcompositionoffish
TABLEOFCONTENTS
TitlePage…………………………………………….…..……………………………i
Dedication…………………………………………..………………………..……….ii
Certification………………………………………..…………………..….……….iii
Acknowledgements………………………………..….………………………iv
Tableofcontents………………………………….……….………….…….….v
ListofTables……………………………………………………………………..….vi
Abstract……………………………………………………………………………….vii
CHAPTERONE
1.0Introduction……………………………………………………………………...1
1.1CompositionofFish…………………………………………...............1
1.2Sardine………………………………………………………….………….……….1
1.3PackagingMaterialsforSmokedFish………………………….2
1.4Objectives………………………………………………..…………………….…3
CHAPTERTWO
2.0LiteratureReview………………………………………………………………4
2.1HistoryDevelopmentofPackagingMaterials………………4
2.2PackagingofDriedFisheryProducts……………………..……..5
2.3PackagingofFreshFish…………………………………..…..………...6
2.4PackagingofFrozenFisheryProducts……………….…..……6
CHAPTERTHREE
3.0MaterialsandMethod……………………………………………………………8
3.1SourceofFish……………………………………………….……………….….……8
3.2ExperimentalSite……………………………………………………………….……8
3.3CollectionofMaterials…………………………………………………………….8
3.4ExperimentalProcedure……………………………………………..………….8
3.5SampleCollectionforAnalysis……………………………………………….9
3.5.0MoistureContentDetermination…………………………………………9
3.5.1ProteinDetermination…………………………………………………………..10
3.5.2LipidDetermination……………………………………………………………….10
3.5.3AshDetermination…………………………………………………………………11
3.5.4CrudeFibreDetermination…………………………………………………….11
3.5.5DeterminationofNitrogenFreeExtract[NFE]………………......12
3.6StatisticalAnalysis……………………………………………………………..……..13
CHAPTERFOUR
4.0Resultanddiscussion……………………………………………………………..….14
4.1Table1:
Sardinellamaderensis
-Nylon-Oil………………………………..14
4.2Table2:
Sardimnellamaderensis
+Nylon–Oil………………….…...15
4.3Discussion……………………………………………………………..……........……..…16
4.5Table3:
Sardinellamaderensis
+Nylon+Oil………………………….…18
4.6Discussion…………………………………………………………….……..........….…….20
CHAPTERFIVE
5.0ConclusionandRecommendations…………………….………………………22
5.1Conclusion.……………………………………………………..……………...........……..23
5.2Recommendations…………………………………………………………....……......23
References24
LISTOFTABLES
Table1:
Sardinellamaderensis
-nylon-oil……………………………..……………14
Table2:
Sardinellamaderensis
+nylon–oil……………………….………………..15
Table3:
Sardinellamaderensis
+nylon+oil……………….………………………..18