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1、食品营养学练习题22（Foodnutritionexercises22）ExercisesinfoodnutritionFirst,thenounexplanation1、nutriology:adisciplinethatstudiesthelawsofhumannutrition,therelationshipbetweennutritionandhealth,andthemeasuresforimprovingnutrition.2.Nutrients:asubstancethathasanutritionalfunction.3.Basicmetabolism:thee
2、nergyexpenditurenecessarytomaintainthemostbasichumanlifeactivities.4,foodspecialdynamicaction:referstothehumanbodyfeedingprocesscausedbytheadditionalincreaseinenergyconsumptionphenomenon.5.Glycemicindex:thetotalareaoftheplasmaglucosecurvewithin2haftermealandtheratioofthetotalareaofglucosepla
3、sma2Hcurveafterglucoseingestion.6,dietaryfiber:foodcannotbedigestedandabsorbedbythedigestiveenzymesofthehumanbody,ageneraltermforpolysaccharides.7,thelimitingaminoacidsinfoodproteins:referstooneorseveralrelativelylowcontentofessentialaminoacids,essentialaminoacidscausedtheotherinthebodycanno
4、tbefullyutilizedandthewastecausedbythenutritionalvalueofproteindecreasedandtherelativelackoftheseessentialaminoacidscontent,knownaslimitedaminoacid.8proteinefficacyratio:averageweightpergramof1Gproteinperlaboratoryanimal.Reflectstheefficiencyofproteinsinmakinganimalsgrow.9.Proteincomplementa
5、tion:theroleofdifferentfoodmixturesincomplementingeachother'sessentialaminoacids10,essentialaminoacids:referstothehumanbodycannotbesynthesizedorsyntheticspeedcannotmeettheneedsofthebody,itmustbedirectlyobtainedfromfoodaminoacids.11.Theindexofnutritionalquality:theratioofnutrientdensity(thera
6、tioofanutrienttotheamountsupplied)tothedensityofheatenergy(theratioofheattoenergysuppliedbythefood).12,dietarystructure:referstoacertainperiodoftime,thespecificpopulationoffood,animalsandplantsandotherfoodtypesofconsumption,quantityandproportion.13,dietaryguidelines:accordingtonutritiontheor
7、y,combinedwiththeactualsituationofthecommunitypopulation,istoeducatethecommunitytotakeabalanceddiet,intakeofreasonablenutrition,promotinghealthyguidance.14,RNI:recommendedintake,equivalenttothetraditionaluseofRDA,referstomeetaparticulargender,agean
