胡艳:基于多糖和乳清蛋白的柑橘类黄酮递送载体构建及性能的评价研究论文

胡艳:基于多糖和乳清蛋白的柑橘类黄酮递送载体构建及性能的评价研究论文

本文主要研究内容

作者胡艳(2019)在《基于多糖和乳清蛋白的柑橘类黄酮递送载体构建及性能的评价研究》一文中研究指出:柑橘种质资源丰富,主要有宽皮柑橘(Citrus reticulate)、柚(Citrus grandis)、柠檬(Citrus limon)、甜橙(Citrus sinensis)等重要的栽培类型。柑橘果实集食药用于一身,富含多种生物活性物质,如膳食纤维(Dietary fiber)、类黄酮(Flavonoids)、维生素(Vitamin)、矿物质(Mineral)、类柠檬苦素(Limonins)、香豆素类(Coumarins)和类胡萝卜素(Carotenoids)等,具有抗氧化、抗炎、抗癌和调节脂质代谢等功效。其中类黄酮因其优良的生理功能、药理和保健作用备受关注。柑橘果皮中含有丰富的类黄酮成分,提取柑橘果皮中的类黄酮并开发其食用和药用价值对柑橘资源的高效利用具有重要意义。许多类黄酮在体外表现出优良的活性,在生物体中受溶解度和吸收效率的影响致使生物利用度低,无法发挥功效。此外,类黄酮在加工或贮藏过程中易受环境胁迫(光、热、氧化和pH等),在胃肠道环境下不稳定,从而限制了它们的生理活性和潜在的健康促进作用。因此需要通过一些技术手段来提高类黄酮生物利用度。纳米技术在制药和食品工业中迅速发展,其主要应用之一是生物活性物质的纳米包封。纳米包封具有保护营养物质/药物的生理活性,隔绝外界环境的影响,控制释放,提高生物利用度等作用。本论文利用天然的多糖和蛋白构建微纳米载体,用于包封柑橘果皮类黄酮提取物,评估各载体的基本理化性质,期望构建出对柑橘类黄酮包封效率高、在胃肠道环境中稳定、能保护其生理活性,并具有缓释和控释作用的载体,旨在创新柑橘类黄酮的应用形式和提高其生物利用度和生物活性。首先本研究选取4个宽皮柑橘材料,分别是广西红皮橘(Guangxihongpiju,GX)、武隆酸橘(Wulongsuanju,WL)、椪柑3号(Penggansanhao,PS)和台湾椪柑(Taiwanpenggan,TP),利用HPLC分析了4种柑橘果皮提取物(Citrus peel extracts,CPE)中的主要类黄酮成分和含量,并探究了pH值和贮藏时间对类黄酮含量和抗氧化活性的影响。然后分别制备了乳清浓缩蛋白纳米粒子(Whey protein concentrate nanoparticles,WPC NPs)、阿拉伯胶(Gum arabic,GA)和WPC的复合乳液及微胶囊用于包封CPE,对其基本理化性质、体外释放特征、抗氧化活性等做了初步探索。最后利用WPC乳液包封橘皮素(Tangeretin,TAN),并分别加入肉桂醛(Cinnamaldehyde,CA)、阿拉伯胶(Gum arabic,GA)、羟丙基甲基纤维素(Hydroxypropyl methyl cellulose,HPMC)对WPC乳液进行界面修饰,通过体外消化特征和大鼠体内血浆浓度、组织分布来评估乳液递送体系对TAN生物利用度的潜在影响。本研究主要实验结果如下:1.柑橘果皮提取物中类黄酮组成及抗氧化活性HPLC定量分析结果表明柑橘果皮提取物(Citrus peel extracts,CPE)中主要类黄酮成分是橙皮苷(Hesperidin,HES)、橘皮素(Tangeretin,TAN)、川陈皮素(Nobiletin,NOB)、甜橙黄酮(Sinensetin,SIN)和5-去甲基川陈皮素(5-Demethylnobiletin,DEM),其中HES含量最丰富。4种CPE中类黄酮种类相同,但含量稍有差异。WL中含有较多的多甲氧基黄酮(Polymethoxylated flavones,PMFs)。GX中总酚(Total phenol content,TPC)和总黄酮(Total flavonoids content,TFC)含量最高,其抗氧化活性也最强。此外,本研究还探究了pH值和贮藏时间对CPE中类黄酮和抗氧化活性的影响,结果表明类黄酮对pH敏感,在强酸环境下(pH 2-3)更易降解,且抗氧化活性更低。随着贮藏时间的延长,TFC和抗氧化活性逐渐降低,并且在强酸环境下降解速率加快。2.WPC NPs的构建及基本理化性质采用钙离子交联法制备了WPC NPs,用于包封CPE。不同CPE包封进WPC NPs导致粒径和电位有差异,通过傅立叶红外光谱(Fourier transform infrared spectroscopy,FTIR)、荧光光谱(Fluorescence spectrum)和圆二色谱(Circular dichroism,CD)证明了类黄酮与WPC之间主要通过H-键和疏水力相互作用,并且CPE会改变WPC的二级结构,增强WPC的疏水性。WPC NPs在肠道中具有较好的稳定性,能控制类黄酮的释放,还可以提高CPE在肠道中的抗氧化活性。WPC NPs对CPE的最高包封效率为27.9±0.9%。3.GA及GA/WPC乳液与微胶囊GA乳液具有广泛的pH稳定性,在pH 2-7的范围内相对稳定,加入WPC对乳液界面进行修饰后,使乳液粒径增大,但对类黄酮的包封效果更好。为使乳液更方便贮藏和应用,我们采用喷雾干燥技术将其微胶囊化,微胶囊对CPE的包封效果较好,GA/WPC复合微胶囊对类黄酮的包封率高达97.60±0.99%。在贮藏过程中,加入了WPC的微胶囊展现出更好的保护效果,3个月后其类黄酮保留率为63.39±2.10%,而未包封的CPE中类黄酮保留率仅为19.29±0.57%。并且贮藏3个月后,微胶囊仍然具有良好的抗氧化活性,可作天然的营养补充剂。4.乳液对TAN体外消化及体内分布的影响加入GA、CA和HPMC对WPC乳液进行界面修饰后显著提高了乳液体系对TAN的包载率。体外消化过程中,不同乳液体系油脂消化速率不同,而加入Ca2+形成WPC/HPMC乳液凝胶后,油脂消化受到抑制,2 h后并未消化完全。与MCT悬浮液相比,乳液体系极大提高了TAN的生物可及性,并且乳液凝胶中TAN的生物可及性比在乳液中高,这些结果表明乳液的结构和状态会影响其消化过程从而影响生物可及性。灌胃乳液的大鼠血浆中TAN浓度远远高于MCT悬浮液,这与体外消化结果TAN的生物可及性一致,表明乳液递送体系是一种优良的改善疏水性营养物质生物利用度的载体。加入HPMC后,进一步提高了TAN在大鼠血浆中的浓度并延长其在体内的循环时间。不同的乳液体系对TAN的组织分布有一定影响,TAN主要在肝脏和肾脏中积累。综上所述,我们可以得出以下结论:CPE中主要类黄酮成分相同,含量不同,类黄酮对pH值敏感,在酸性条件下溶解度降低且易被降解和破坏,随着贮藏时间的延长,类黄酮含量和抗氧化活性不断降低,并且酸性越强降解越快。WPC NPs和GA/WPC微胶囊均能保护类黄酮的抗氧化活性,而GA/WPC微胶囊对CPE的包封效果优于PNs和WPC NPs。乳液体系显著提高了TAN的生物可及性和TAN的血药浓度,并延长其在体内的循环时间,尤其是加入HPMC复合后,血浆中峰值浓度比MCT悬浮液提高了20倍左右,并将TAN在大鼠体内的代谢时间延长至22 h。组织分布结果表明TAN主要在肝脏和肾脏中代谢。

Abstract

gan ju chong zhi zi yuan feng fu ,zhu yao you kuan pi gan ju (Citrus reticulate)、you (Citrus grandis)、ning meng (Citrus limon)、tian cheng (Citrus sinensis)deng chong yao de zai pei lei xing 。gan ju guo shi ji shi yao yong yu yi shen ,fu han duo chong sheng wu huo xing wu zhi ,ru shan shi qian wei (Dietary fiber)、lei huang tong (Flavonoids)、wei sheng su (Vitamin)、kuang wu zhi (Mineral)、lei ning meng ku su (Limonins)、xiang dou su lei (Coumarins)he lei hu luo bo su (Carotenoids)deng ,ju you kang yang hua 、kang yan 、kang ai he diao jie zhi zhi dai xie deng gong xiao 。ji zhong lei huang tong yin ji you liang de sheng li gong neng 、yao li he bao jian zuo yong bei shou guan zhu 。gan ju guo pi zhong han you feng fu de lei huang tong cheng fen ,di qu gan ju guo pi zhong de lei huang tong bing kai fa ji shi yong he yao yong jia zhi dui gan ju zi yuan de gao xiao li yong ju you chong yao yi yi 。hu duo lei huang tong zai ti wai biao xian chu you liang de huo xing ,zai sheng wu ti zhong shou rong jie du he xi shou xiao lv de ying xiang zhi shi sheng wu li yong du di ,mo fa fa hui gong xiao 。ci wai ,lei huang tong zai jia gong huo zhu cang guo cheng zhong yi shou huan jing xie pai (guang 、re 、yang hua he pHdeng ),zai wei chang dao huan jing xia bu wen ding ,cong er xian zhi le ta men de sheng li huo xing he qian zai de jian kang cu jin zuo yong 。yin ci xu yao tong guo yi xie ji shu shou duan lai di gao lei huang tong sheng wu li yong du 。na mi ji shu zai zhi yao he shi pin gong ye zhong xun su fa zhan ,ji zhu yao ying yong zhi yi shi sheng wu huo xing wu zhi de na mi bao feng 。na mi bao feng ju you bao hu ying yang wu zhi /yao wu de sheng li huo xing ,ge jue wai jie huan jing de ying xiang ,kong zhi shi fang ,di gao sheng wu li yong du deng zuo yong 。ben lun wen li yong tian ran de duo tang he dan bai gou jian wei na mi zai ti ,yong yu bao feng gan ju guo pi lei huang tong di qu wu ,ping gu ge zai ti de ji ben li hua xing zhi ,ji wang gou jian chu dui gan ju lei huang tong bao feng xiao lv gao 、zai wei chang dao huan jing zhong wen ding 、neng bao hu ji sheng li huo xing ,bing ju you huan shi he kong shi zuo yong de zai ti ,zhi zai chuang xin gan ju lei huang tong de ying yong xing shi he di gao ji sheng wu li yong du he sheng wu huo xing 。shou xian ben yan jiu shua qu 4ge kuan pi gan ju cai liao ,fen bie shi an xi gong pi ju (Guangxihongpiju,GX)、wu long suan ju (Wulongsuanju,WL)、peng gan 3hao (Penggansanhao,PS)he tai wan peng gan (Taiwanpenggan,TP),li yong HPLCfen xi le 4chong gan ju guo pi di qu wu (Citrus peel extracts,CPE)zhong de zhu yao lei huang tong cheng fen he han liang ,bing tan jiu le pHzhi he zhu cang shi jian dui lei huang tong han liang he kang yang hua huo xing de ying xiang 。ran hou fen bie zhi bei le ru qing nong su dan bai na mi li zi (Whey protein concentrate nanoparticles,WPC NPs)、a la bai jiao (Gum arabic,GA)he WPCde fu ge ru ye ji wei jiao nang yong yu bao feng CPE,dui ji ji ben li hua xing zhi 、ti wai shi fang te zheng 、kang yang hua huo xing deng zuo le chu bu tan suo 。zui hou li yong WPCru ye bao feng ju pi su (Tangeretin,TAN),bing fen bie jia ru rou gui quan (Cinnamaldehyde,CA)、a la bai jiao (Gum arabic,GA)、qiang bing ji jia ji qian wei su (Hydroxypropyl methyl cellulose,HPMC)dui WPCru ye jin hang jie mian xiu shi ,tong guo ti wai xiao hua te zheng he da shu ti nei xie jiang nong du 、zu zhi fen bu lai ping gu ru ye di song ti ji dui TANsheng wu li yong du de qian zai ying xiang 。ben yan jiu zhu yao shi yan jie guo ru xia :1.gan ju guo pi di qu wu zhong lei huang tong zu cheng ji kang yang hua huo xing HPLCding liang fen xi jie guo biao ming gan ju guo pi di qu wu (Citrus peel extracts,CPE)zhong zhu yao lei huang tong cheng fen shi cheng pi gan (Hesperidin,HES)、ju pi su (Tangeretin,TAN)、chuan chen pi su (Nobiletin,NOB)、tian cheng huang tong (Sinensetin,SIN)he 5-qu jia ji chuan chen pi su (5-Demethylnobiletin,DEM),ji zhong HEShan liang zui feng fu 。4chong CPEzhong lei huang tong chong lei xiang tong ,dan han liang shao you cha yi 。WLzhong han you jiao duo de duo jia yang ji huang tong (Polymethoxylated flavones,PMFs)。GXzhong zong fen (Total phenol content,TPC)he zong huang tong (Total flavonoids content,TFC)han liang zui gao ,ji kang yang hua huo xing ye zui jiang 。ci wai ,ben yan jiu hai tan jiu le pHzhi he zhu cang shi jian dui CPEzhong lei huang tong he kang yang hua huo xing de ying xiang ,jie guo biao ming lei huang tong dui pHmin gan ,zai jiang suan huan jing xia (pH 2-3)geng yi jiang jie ,ju kang yang hua huo xing geng di 。sui zhao zhu cang shi jian de yan chang ,TFChe kang yang hua huo xing zhu jian jiang di ,bing ju zai jiang suan huan jing xia jiang jie su lv jia kuai 。2.WPC NPsde gou jian ji ji ben li hua xing zhi cai yong gai li zi jiao lian fa zhi bei le WPC NPs,yong yu bao feng CPE。bu tong CPEbao feng jin WPC NPsdao zhi li jing he dian wei you cha yi ,tong guo fu li xie gong wai guang pu (Fourier transform infrared spectroscopy,FTIR)、ying guang guang pu (Fluorescence spectrum)he yuan er se pu (Circular dichroism,CD)zheng ming le lei huang tong yu WPCzhi jian zhu yao tong guo H-jian he shu shui li xiang hu zuo yong ,bing ju CPEhui gai bian WPCde er ji jie gou ,zeng jiang WPCde shu shui xing 。WPC NPszai chang dao zhong ju you jiao hao de wen ding xing ,neng kong zhi lei huang tong de shi fang ,hai ke yi di gao CPEzai chang dao zhong de kang yang hua huo xing 。WPC NPsdui CPEde zui gao bao feng xiao lv wei 27.9±0.9%。3.GAji GA/WPCru ye yu wei jiao nang GAru ye ju you an fan de pHwen ding xing ,zai pH 2-7de fan wei nei xiang dui wen ding ,jia ru WPCdui ru ye jie mian jin hang xiu shi hou ,shi ru ye li jing zeng da ,dan dui lei huang tong de bao feng xiao guo geng hao 。wei shi ru ye geng fang bian zhu cang he ying yong ,wo men cai yong pen wu gan zao ji shu jiang ji wei jiao nang hua ,wei jiao nang dui CPEde bao feng xiao guo jiao hao ,GA/WPCfu ge wei jiao nang dui lei huang tong de bao feng lv gao da 97.60±0.99%。zai zhu cang guo cheng zhong ,jia ru le WPCde wei jiao nang zhan xian chu geng hao de bao hu xiao guo ,3ge yue hou ji lei huang tong bao liu lv wei 63.39±2.10%,er wei bao feng de CPEzhong lei huang tong bao liu lv jin wei 19.29±0.57%。bing ju zhu cang 3ge yue hou ,wei jiao nang reng ran ju you liang hao de kang yang hua huo xing ,ke zuo tian ran de ying yang bu chong ji 。4.ru ye dui TANti wai xiao hua ji ti nei fen bu de ying xiang jia ru GA、CAhe HPMCdui WPCru ye jin hang jie mian xiu shi hou xian zhe di gao le ru ye ti ji dui TANde bao zai lv 。ti wai xiao hua guo cheng zhong ,bu tong ru ye ti ji you zhi xiao hua su lv bu tong ,er jia ru Ca2+xing cheng WPC/HPMCru ye ning jiao hou ,you zhi xiao hua shou dao yi zhi ,2 hhou bing wei xiao hua wan quan 。yu MCTxuan fu ye xiang bi ,ru ye ti ji ji da di gao le TANde sheng wu ke ji xing ,bing ju ru ye ning jiao zhong TANde sheng wu ke ji xing bi zai ru ye zhong gao ,zhe xie jie guo biao ming ru ye de jie gou he zhuang tai hui ying xiang ji xiao hua guo cheng cong er ying xiang sheng wu ke ji xing 。guan wei ru ye de da shu xie jiang zhong TANnong du yuan yuan gao yu MCTxuan fu ye ,zhe yu ti wai xiao hua jie guo TANde sheng wu ke ji xing yi zhi ,biao ming ru ye di song ti ji shi yi chong you liang de gai shan shu shui xing ying yang wu zhi sheng wu li yong du de zai ti 。jia ru HPMChou ,jin yi bu di gao le TANzai da shu xie jiang zhong de nong du bing yan chang ji zai ti nei de xun huan shi jian 。bu tong de ru ye ti ji dui TANde zu zhi fen bu you yi ding ying xiang ,TANzhu yao zai gan zang he shen zang zhong ji lei 。zeng shang suo shu ,wo men ke yi de chu yi xia jie lun :CPEzhong zhu yao lei huang tong cheng fen xiang tong ,han liang bu tong ,lei huang tong dui pHzhi min gan ,zai suan xing tiao jian xia rong jie du jiang di ju yi bei jiang jie he po huai ,sui zhao zhu cang shi jian de yan chang ,lei huang tong han liang he kang yang hua huo xing bu duan jiang di ,bing ju suan xing yue jiang jiang jie yue kuai 。WPC NPshe GA/WPCwei jiao nang jun neng bao hu lei huang tong de kang yang hua huo xing ,er GA/WPCwei jiao nang dui CPEde bao feng xiao guo you yu PNshe WPC NPs。ru ye ti ji xian zhe di gao le TANde sheng wu ke ji xing he TANde xie yao nong du ,bing yan chang ji zai ti nei de xun huan shi jian ,you ji shi jia ru HPMCfu ge hou ,xie jiang zhong feng zhi nong du bi MCTxuan fu ye di gao le 20bei zuo you ,bing jiang TANzai da shu ti nei de dai xie shi jian yan chang zhi 22 h。zu zhi fen bu jie guo biao ming TANzhu yao zai gan zang he shen zang zhong dai xie 。

论文参考文献

论文详细介绍

论文作者分别是来自西南大学的胡艳,发表于刊物西南大学2019-09-24论文,是一篇关于柑橘类黄酮论文,递送体系论文,纳米粒子论文,乳液论文,组织分布论文,西南大学2019-09-24论文的文章。本文可供学术参考使用,各位学者可以免费参考阅读下载,文章观点不代表本站观点,资料来自西南大学2019-09-24论文网站,若本站收录的文献无意侵犯了您的著作版权,请联系我们删除。

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胡艳:基于多糖和乳清蛋白的柑橘类黄酮递送载体构建及性能的评价研究论文
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