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时间:2020-06-06
《普洱茶茶色素对小鼠的预防肥胖作用.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、ScienceandTechnologyofFoodIndustry营养与僳健普洱茶茶色素对小鼠的预防肥胖作用苏静静’,王雪青,宋文军’,白晓丽,李长文。周彤’,罗崇景,徐金葵’,赵心恰’,陈钊琦’,王爽’(1.天津市食品与生物技术重点实验室,天津商业大学生物技术与食品科学学院,天津300134;2.云南天士力帝泊洱生物茶集团有限公司,云南普洱665100)摘要:昆明种雄性小鼠随机分为正常对照组、高脂对照组、普洱茶茶色素低(O.45kg)、中(O.90kg)、高(1.35)浓度组。每天灌胃给药,称体重及测体长,连续灌胃29d后,禁食24h,取血测血清中的血糖(G
2、lu)、总胆固醇(TC)、甘油三酯(TG)、低密度脂蛋白胆固醇(LDL—C)和高密度脂蛋白胆固醇(HDL—C)水平;处死小鼠,记录体内脂肪湿重,计算小鼠的Lee’s指数和脂体比,以研究普洱荼茶色素对小鼠的预防肥胖作用。结果显示:普洱茶茶色素能显著降低小鼠的体重、脂体比、Lee’s指数和脂肪系数(P<0.05),显著降低小鼠血清中Glu、TG、TC、LDL—C的水平(P<0.05),升高HDL-C的水平(P<0.05)。因此,普洱茶茶色素对小鼠具有预防肥胖、降血糖及调节血脂的作用,可作为预防和治疗肥胖症、II型糖尿病及血症异常的功能性饮品。关键词:普洱茶,茶色素,
3、肥胖,血脂PreventionofpigmentsfrOmPuErhteaontheweightgrowthofmousesuJing-jing,WANGXue-qing一,SONGWen-jun,BAIXiao—li2,LIChang-wen2,ZHOUTong,LUOChong—jing,XUJin—kui,ZHAOXin-yi,CHENZhao—qi,WANGShuang(1.TianjinKeyLaboratoryofFoodBiotechnology,CollegeofBioteehnologyandFoodScience,TianjinUnivers
4、ityofCommerce,Tianjin300134,China;2.YunnanTaslyDeepureBiologicalTeaGroupCompanyLimited,PuErh665100,China)Abstract:MaleKunmingmicewererandomlydividedintonormal,high—fatdietcontrolgroup,andthreelevelsgroupstreatedwithhigh(1.35g/kg),medium(0.90g/kg),andlow(0.45g/kg)pigmentsfromPuErhtea.
5、Thechangesofbodyweightandlengthofthemouseweredeterminedeveryday,respectively.Thelevelsofglucose(Glu),totalcholesterol(TC),triglyceride(TG),high—densitylipoproteincholesterol(HDL—C),andlow—densitylipoproteincholesterol(LDL—C)intheserumweredeterminedwheneachgroupwasfastedfor24haftercon
6、tinuousadministrationof29day,thewetweightsofvisceralfatoffivegroupsweremeasuredandtheLee’sindexandbodyfatpercentageoffivegroupswerecalculatedinordertoobservethepreventionofpigmentsontheweightgrowthofmice.TheresultsshowedthatPuErhteapigmentshadsignificantlyeffectsonlosingbodyweight,fa
7、tindex,bodyfatpercentage,andreducingLee’sindex,decreasingthelevelsofGlu,TC,TG,LDL—C,andincreasingthelevelofHDL—C(P<0.05).Thus,PuErhteapigmentshadthefunctionsofpreventingobesity,glucose-loweringandlipid—regulating.Itcouldbeusedasapotentialfunctiondrinkforpreventionand/ortreatmentofobe
8、sity,type『ld
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