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1、膳食纖維與體重控制膳食纖維與體重控制Dietaryfiberandweightmanagement膳食纖維攝入量與體重、體脂呈負(fù)相關(guān)Mostbutnotallobservationalstudiesshowedaninverse,sometimesdose-dependentrelationshipbetweenDFconsumptionandbodyweight水溶性膳食纖維和非水溶性膳食纖維富含膳食纖維的天然食物和膳食纖維制劑Generally,inhumanstudies,nocleardifferenceregardingweightgainhasbeen
2、shownbetweensolubleandinsolubleDFandfermentableandnonfermentableDF,orbetweenfoodsnaturallyhighinDFandfibersupplementsEpidemiologicsupportthatDFintakepreventsobesityisstrong對體重控制效果類似膳食纖維與體重控制Dietaryfiberandweightmanagement膳食纖維控制體重的可能機制1含親水基團，吸水膨脹性飽腹感2粘性、吸附性延緩饑餓感34減少營養(yǎng)素吸收5改變腸道激素分泌在大腸內(nèi)發(fā)酵
3、代謝提供能量較少Interventionstudies：theadditionofdietaryfibergenerallydecreasesfoodintakeand,hence,bodyweight.Mechanisms：InducinggreatersatiationandsatietyDecreasingabsorptionofmacronutrientsAlteringsecretionofguthormonesDecreasinginenergyintakeandbodyweightlossmechanisms治療組（n=129）：補充膳食纖維12～1
4、8g/d國內(nèi)其他研究：膳食纖維對肥胖兒童的治療作用進食量、攝入總熱量、饑餓感、尿D-木糖排出量糞便排泄空腹胰島素、甘油三酯、膽固醇血紅蛋白、血清銅鋅濃度無顯著差異身高增長無顯著差異體重、腰圍、臀圍、腰圍/臀圍、腰圍/身高、BMIBMI下降程度與膳食纖維食用量高度相關(guān)10d后2m后6m后StudyofDFinpediatricsinChina(11/02)ScientificAdvisoryCommitteeonNutrition(SACN)statementondietary(12/06/08):Thereisnoevidenceforanassociationo
5、ffibreintakeonweightchangeinchildren世界各國對膳食纖維的推薦攝入量不同AdeclineinDFintake膳食纖維攝入的現(xiàn)狀PresentsituationofDietaryfiberintakeAmericanChina中國傳統(tǒng)飲食習(xí)慣富含膳食纖維生活水平提高，日常飲食結(jié)構(gòu)改變膳食纖維攝入量減少美國調(diào)查研究：成人膳食纖維攝入量約僅達(dá)推薦量的50%TheaveragefiberintakeofadultsintheUnitedStates（15g/day）isapproximatelyhalftherecommendedleve
6、ls（AmericanHeartAssociationrecommendationof25-30g/day)AdeclineintotalDFintakeandDFdensityispredictedforChinainthefuture.Thismaybeduetothemarkedchangesinthedietaryhabitsoftheyoungergeneration,andisaproblematictrendforChinesehealth.膳食轉(zhuǎn)型期發(fā)展中國家1.繼續(xù)保持優(yōu)良的傳統(tǒng)飲食習(xí)慣2.整個生命周期注重攝入富含膳食纖維的全谷類、豆類和蔬菜水果
7、類等食物對中國超重/肥胖、心腦血管病的預(yù)防有很深遠(yuǎn)的意義Increasingconsumptionofdietaryfiberwithfruits,vegetables,wholegrains,andlegumesacrossthelifecycleisacriticalstepinstemmingtheepidemicofobesityinChina，alsomayhelptodecreasetheprevalenceofcardiovasculardiseaseandT2DM中國飲食與膳食纖維ChinesecuisineandDietaryfiberThehe
8、althb
