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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,nocleardifferenceregardingweightgainhasbeenshow
2、nbetweensolubleandinsolubleDFandfermentableandnonfermentableDF,orbetweenfoodsnaturallyhighinDFandfibersupplementsEpidemiologicsupportthatDFintakepreventsobesityisstrong對(duì)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(jī)制1含親水基團(tuán)，吸水膨脹性飽腹感2粘性、吸附性延緩饑餓感34減少營(yíng)養(yǎng)素吸收5改變腸道激素分泌在大腸內(nèi)發(fā)酵代謝提供能量較少
3、Interventionstudies：theadditionofdietaryfibergenerallydecreasesfoodintakeand,hence,bodyweight.Mechanisms：InducinggreatersatiationandsatietyDecreasingabsorptionofmacronutrientsAlteringsecretionofguthormonesDecreasinginenergyintakeandbodyweightlossmechanisms治療組（n=129）：補(bǔ)充膳食纖維12～18g/d國(guó)內(nèi)其他研究：膳
4、食纖維對(duì)肥胖兒童的治療作用進(jìn)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(wú)顯著差異身高增長(zhǎng)無(wú)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):Thereisnoevidenceforanassociationoffibreintakeonwe
5、ightchangeinchildren世界各國(guó)對(duì)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(guó)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(guó)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）isapproximatelyhalftherecommendedlevels（AmericanHeartAsso
6、ciationrecommendationof25-30g/day)AdeclineintotalDFintakeandDFdensityispredictedforChinainthefuture.Thismaybeduetothemarkedchangesinthedietaryhabitsoftheyoungergeneration,andisaproblematictrendforChinesehealth.膳食轉(zhuǎn)型期發(fā)展中國(guó)家1.繼續(xù)保持優(yōu)良的傳統(tǒng)飲食習(xí)慣2.整個(gè)生命周期注重?cái)z入富含膳食纖維的全谷類、豆類和蔬菜水果類等食物對(duì)中國(guó)超重/肥胖、心腦血管病的預(yù)防有很深
7、遠(yuǎn)的意義Increasingconsumptionofdietaryfiberwithfruits,vegetables,wholegrains,andlegumesacrossthelifecycleisacriticalstepinstemmingtheepidemicofobesityinChina，alsomayhelptodecreasetheprevalenceofcardiovasculardiseaseandT2DM中國(guó)飲食與膳食纖維ChinesecuisineandDietaryfiberThehealthb
