UBC Undergraduate Research

Various nutrient content on fish intake in pregnant women Wu, Brian 2008-03-08

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VARIOUS NUTRIENT CONTENT ON FISH INTAKE IN PREGNANT WOMENUBCDepartment of NutritionBRIAN WUMarch 8, 2008OutlineOverview BackgroundResearchQuestionMethodsFindings Summary (comments, future direction)IntroductionHealth-related importance of n-3 fatty acids:1. Anti-inflammatory agent 2. Neurological health Introduction and My Research Question• Fish is an abundant source of nutrients include:n-3 fatty acidsFat soluble vitamins (vitamin A, D, E,)Water soluble vitamin (B12, folate)Amino acids (cysteine, arginine)Iron Choline Limitation of current studies on n-3 ad fish intakeOnly focused on n-3 as the only factor that contribute to such benefitsOther studies on individual nutrients such as choline show similar health benefitsNever investigate whether these health benefits are contributed by single nutrient or multiple nutrientsResearch QuestionsDo people with high fish intake have high intake of nutrients other than n-3 fatty acids?Are the health benefits of fish intake contributed by single nutrient or multiple nutrients?MethodsSubjects and Design:Low Meat IntakeHigh Meat IntakeLow Fish IntakeGroup 1Group 2High Fish IntakeGroup 3Group 4- Compare the differences intake of chosen nutrients among these 4 groupsStatistical Analysis-  Tukey’s multiple comparison test was used to detect significant differences in intake of chosen nutrients among women grouped by fish intake.Nutrients that differed among the 4 groups(low fish, low meat)(low fish, high meat)(high fish, low meat)(high fish, high meat)EPA (g)0.040.050.150.16DHA (g)0.070.080.270.32Arginine (g)2.353.363.244.05Cysteine (g)0.890.730.690.86Vit-D (mg)206.69253.41317.36336.81Vit-B12 (mcg)4.284.595.846.76Total Choline (mg)298.74353.36483.22492.83Discussion/CommentsCompared to group 1 and 2 with group 3 and 4 generally have a higher intake of the following:n-3 fatty acids (EPA, DHA)ArginineVitamin D, B12CholineDiscussion/Commentn-3 fatty acids are not the only nutrientsRecall: Other nutrients also have anti-inflammatory effectCholine intake is associated with neurological development Discussion/CommentAnswers to my research questions:Do people with high fish intake also have high intake of nutrients other than n-3 fatty acids?			A:  YES2. Are the health benefits of fish only contributed by n-3 fatty acids? 			A: ehhh…most likely NOConclusionOther than n-3:Fish intake also correlates to high intake of choline, vitamin B12, D, arginineThe health benefits of high fish intake may be multiple factorialTHANKS TO…Dr. Innis for the opportunityRussell for continuing guidanceMohammad for some of the technical helpLizzy and Michelle for the powerpoint! *Talk about mechanisms of how n-3 *For cysteine (pultry, brocolli) Rich source of arginine (seafood, nuts)Other nutrients also display similar health benefits of n-3.* VARI OUS NUTRI ENT CONTENT ON FI SH I NTAKE I N PREGNANT WOMEN UBC Depar t ment of Nut r i t i on BRI AN WU Mar ch 8, 2008  Out l i ne 1. Ov er v i ew a) Bac k gr ound b) Res ear c h c) Ques t i on  2. Met hods 3. Fi ndi ngs 4. Summar y ( c omment s , f ut ur e di r ec t i on)  I nt r oduc t i on • Heal t h- r el at ed i mpor t anc e of n- 3 f at t y ac i ds : 1. Ant i i nf l ammat or y agent  2. Neur ol ogi c al heal t h  I nt r oduct i on and My Res ear c h Quest i on  • Fi s h i s an abundant s our c e of nut r i ent s i nc l ude: a.n-3 fatty acids  a.Fat soluble vitamins (vitamin A, D, E,) a.Water soluble vitamin (B12, folate) a.Amino acids (cysteine, arginine) a.Iron a. Choline  Li mi t at i on of c ur r ent s t udi es on n- 3 ad f i s h i nt ak e • Onl y f oc us ed on n- 3 as t he onl y f ac t or t hat c ont r i but e t o such benef i t s • Ot her s t udi es on i ndi v i dual nut r i ent s s uc h as c hol i ne show s i mi l ar heal t h benef i t s • Nev er i nv es t i gat e whet her t hes e heal t h benef i t s ar e  Res ear c h Ques t i ons • Do peopl f i s h i nt hi gh i nt nut r i ent n- 3 f at t  e wi t h hi gh ak e hav e ak e of s ot her t han y ac i ds ?  • Ar e t he heal t benef i t s of f i nt ak e c ont r i by s i ngl e nut  h i sh but ed r i ent  Met hods Subj ec t s and Des i gn: Low Meat I nt ake Low Fi sh I nt ake  Gr oup 1  Hi gh Meat I nt ake Gr oup 2  Hi gh Gr oup 3 Gr oup 4 Fi sh I nt ake - Compare the differences intake of chosen nutrients among these 4 groups  St at i s t i c al Anal y s i s -  Tuk ey ’ s mul t i pl e c ompar i s on t es t was us ed t o det ec t s i gni f i c ant di f f er enc es i n i nt ak e of c hos en nut r i ent s among women gr ouped by f i s h i nt ak e.  Nut r i ent s t hat di f f er ed among t he 4 gr oups (low fish, low meat)  (low fish, (high fish, (high fish, high meat) low meat) high meat)  EPA (g)  0.04  0.05  0.15  0.16  DHA (g)  0.07  0.08  0.27  0.32  Arginine (g)  2.35  3.36  3.24  4.05  Cysteine (g)  0.89  0.73  0.69  0.86  Vit-D (mg)  206.69  253.41  317.36  336.81  Vit-B12 (mcg)  4.28  4.59  5.84  6.76  Total Choline (mg)  298.74  353.36  483.22  492.83  Di s c us s i on/ Comme nt s - Compar ed t o gr oup 1 and 2 wi t h gr oup 3 and 4 gener al l y hav e a hi gher i nt ak e of acids t he1.n-3 f olfatty l owi ng:(EPA, DHA) 2.Arginine 3.Vitamin D, B12 4.Choline  Di scussi on/ Commen t - n- 3 f at t y ac i ds ar e not t he onl y nut r i ent s - Rec al l : Ot her nut r i ent s al s o hav e ant i i nf l ammat or y ef f ect - Chol i ne i nt ak e i s as s oc i at ed wi t h neur ol ogi c al devel opment  Di s c us s i on/ Comm ent • Answer s t o my r es ear c h quest i ons: 1. Do peopl e wi t h hi gh f i s h i nt ake al so hav e hi gh i nt ake of nut r i ent s ot her t han n- 3 f at t y aci ds? A: YES 2. Ar e t he heal t h benef i t s of f i sh onl y cont r i but ed by n- 3 f at t y ac i ds ? A: ehhh…mos t  Conc l us i on - Ot her t han n- 3: - Fi sh i nt ake al so cor r el at es t o hi gh i nt ake of chol i ne, vi t ami n B12, D, ar gi ni ne - The heal t h benef i t s of hi gh f i sh i nt ake may be mul t i pl e f act or i al  THANKS TO… • Dr . I nni s f or t he oppor t uni t y • Rus s el l f or c ont i nui ng gui danc e • Mohammad f or s ome of t he t ec hni c al hel p • Li z z y and Mi c hel l e f or t he power poi nt !  

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