大家好姐今天们来了解一下欧米伽-3脂肪酸及其健康益处1script脚本.pdfVIP

•Wewillfirstgothroughthebackground,

structureanddietarysourcesofomega3FA.

•Then,wewilltalkaboutthehealthbenefits,

andalsothecookingmethod,fortifiedfood

andsupplements,andthemendations.

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sofirst,iwilltalkaboutthebackground

•Omega-3fattyacidsarepolyunsaturatedfats.

•Animals,includinghumans,areunableto

synthesise/ai/Omega-3fattyacids.

•Theymustbedinthediet,whichare

called‘essentialfattyacids’.

•Inmostindividuals,dietaryintakeofomega-3fats

istoolow.

•Omega-3FAcanformspecial,uniquemolecules,

whichperformfunctionswithincellsthatcan

improvehealth.

•Wecaneasilyaddthemintodiettoimproveour

health.

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So,next,theStructure

•Omega-3fattyacidsarepolyunsaturatedfatty

acidswiththefirstdoublebondlocatedatthe

thirdcarbonfromthemethy[meθil]lend.

•Thereare3typesofomega-3FA..

•ALA

•EPA

•DHA

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•ALAisaomega-3fattyacidcontains18-

carbonandhas3unsaturatedbonds

•EPAcontains20-carbonandhas5unsaturated

bonds,ashereshowninthegraph

•DHAisaomega3fattyacidwith22-carbon

chainand6unsaturatedbonds

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•ALAisaplant-basedomega-3fattyacidthat

hasmanyhealthbenefitsbutdoesnotbenefit

cardio-vascularhealthaswellasmarine

[məri:n]omega-3fattyacid.

•DHAEPAaremarine-basedomega-3fatty

acids.

•SmalleramountsofDHAEPAarefoundin

animalproducts,suchaseggs,chickenand

beef.