高考英语考前冲破 文化教育 水果蔬菜与人体健康素材.pdf

水果蔬菜与人体健康

Expertssayeatingarangeoffruitandvegisbest,aspartofabalanceddiet,toprotectagainst

illness.

专家表示，吃各类水果蔬菜对躯体最为有利，能够均衡饮食，预防疾病。

Researchsuggestseatingatleastsevenportionsoffruitandvegetablesadayismoreeffectiveat

preventingdiseasethanthegovernment'scurrentfive-a-dayrecommendation.

Isfiveadayenough?

Yes-butpeopleshouldeatatleastfiveportionsoffruitandvegetablesaday,thegovernmentsays.

TheadviceisbasedonWorldHealthOrganizationguidelines,whichare25yearsold.

Dieticianssayeatingfiveadayisenoughtogettheprotectivebenefitsoffruitand-althoughveg

eatingmoremaybeadditionallybeneficial.

Whatcountsasaportion?

Fruitjuicecountstowardsoneportionoftherecommendedfiveportionsperday

Foranadult,aminimumof400goffruitandvegshouldbeeateneveryday,orfiveportionsof80g.

Theamountvariesforchildren,basedonactivitylevelsandage,butaroughguideisthatoneportion

shouldfitinthepalmoftheirhand.

Fruitandvegetablesdonothavetobeeatenontheirownandcanbecookedindishessuchassoups,

stewsorpastameals.

Dotinnedfruitandfruitjuicecount?

Yes.Butjuiceshouldbeunsweetened,andonlycountsasoneportionaday,asitcontainslessfibre

thanwholefruitsandvegetables.

Fruitmustbetinnedinnaturaljuice,orter,wawithnoaddedsugarorsalt,andnotinsyrup,which

lotsoffruitis.
Beansandpulsesalsocount,butagainonlyasoneportionastheycontainfewernutrientsthanother

fruitsandvegetables.

Smoothiesmaycounttowardsmorethanoneportioniftheycontainalltheediblepulpedfruitorveg,

anddependingontheiringredients.

Recommendationsincludefrozenfruitandvegetables,anddriedfruit,suchascurrants,dates,

sultanasandfigs.

Thoseinready-mealsandshop-boughtpastasauces,soupsandpuddingsarealsoincluded,but

adviceurges"onlytohavethemoccasionally"orinsmallamountsastheyareoftenhighinsalt,sugar

andfat.

Whataboutpotatoes?

Potatoesdonotcounttowardsoneofthefive-a-day,butsweetpotatoesdo.

Potatoesarenotoneofthefive-a-dayitems.Thisisbecausetheymainlycontributestarchtoahealthy

diet,whichisagoodsourceofenergyandhelpsdigestion.

Theyareclassifiedinthesamegro