Frontiers in Nutrition:孕期摄入甜味剂,会成为孩子的“甜蜜负担”

2022-01-25 生物探索 生物探索

虽然拒绝高糖食品,但却无法拒绝甜味带来的愉悦,无糖饮品受到推崇,但这类零糖饮品并不意味着健康。

低热量甜味剂,也称为非营养性甜味剂,几十年来一直被用于替代糖,降低食品和饮料的热量含量,同时保持甜味,例如:阿斯巴甜、木糖醇等。在近些年的广告中,这些非营养性甜味剂被宣传为健康糖不长胖,但商业目的包装的谎言最终会被科学撕破,非营养性甜味剂带来的危害能延续到下一代。非营养性甜味剂对成年人无害,但对食用非营养性甜味剂的啮齿动物后代和饮用含非营养性甜味剂饮料的孕产婴儿存在有害影响,包括破坏肠道微生物群、打乱葡萄糖稳态和提高肥胖风险。准妈妈们在选择食品时,要看好配料表中的成分,留意非营养性甜味剂的存在。 

1. 常见甜味剂分类

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数据来源:参考资料[1];制表:生物探索编辑团队

2. 部分甜味剂安全性及发展趋势

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数据来源:参考资料[1];制表:生物探索编辑团队

20220114Frontiers in Nutrition发表了一篇名为“A Metagenomics Investigation of Intergenerational Effects of Non-nutritive Sweeteners on Gut Microbiome”的文章。该研究旨在探索孕期食用甜味剂与儿童肥胖风险之间的联系。在该项研究中,研究人员将阿斯巴甜、甜叶菊或白开水喂给怀孕的老鼠,随后对出生的幼鼠进行称重,并检测它的肠道微生物群,以评估甜味剂对它们的影响。结果发现甜味剂对肠道微生物群、微生物代谢物和宿主健康具有持久的代际影响。

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1. 研究成果(图源:Frontiers in Nutrition

 

该项研究得到以下结论:

1 母体食用甜味剂会改变其后代盲肠微生物组成和丙酸盐/乳酸代谢。

2 食用阿斯巴甜和甜叶菊的怀孕小鼠产出的幼崽盲肠中丙酸盐/乳酸产量的改变意味着小肠中膳食碳水化合物消化(主要是乳糖)与大肠中微生物发酵的比例发生了变化。

3 甜味剂代际影响幼崽肠道微生物生物群的改变,导致后代体重和体脂的增加。

 甜味欺骗大脑,无糖不等于健康

现代社会大部分人群处于亚健康状态,代谢综合征Metabolic syndromeMS)的患病比率大幅上升。MS是以一类疾病为表现特征的病理状态,曾将其命名为胰岛素抵抗综合征“X综合征,主要表现为体重增加、高血糖、血脂异常、高血压、腹型肥胖等,是一种复杂的疾病症候群,临床上主要以体质指数(Body mass indexBMI)、血脂、血压、空腹血糖及糖耐量等指标为判断是否患病的依据。在表3所示的四项中满足任意三项即可确诊。MS主要由过量食物摄入导致能量代谢紊乱导致,其中,甜味剂的作用,功不可没。

3. MS确诊标准内容

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数据来源:参考资料[2];制表:生物探索编辑团队

甜味剂具有甜度高、无营养、低热量或无热量的特征,已在食品工业中得到了广泛的应用。早期研究认为甜味剂在生理上是惰性的,然而现在有越来越多的证据表明,甜味剂不仅能带来甜味,过量摄入可能会引起生理代谢的变化,引发一系列的健康问题。多数研究认为,甜味剂通过影响葡萄糖代谢、肠肽类激素分泌、能量摄入和食欲、肠道微生物等影响生理代谢。

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2. 不同代糖在人体中的代谢途径(图源:三元生物招股书)

一些爱美人士和担忧血糖升高的消费者,虽然拒绝高糖食品,但却无法拒绝甜味带来的愉悦,无糖饮品受到推崇,一些企业看到商机,于是开始生产添加甜味剂的低糖、零糖饮品。但这类零糖饮品并不意味着健康,所有甜味剂的原理都是在欺骗大脑,大脑接收到甜味信号后,却发现血糖没有上升,反而会增加对真糖的渴望,这样可能更加不利于健康。

参考资料:

[1]刘星,蒙泳,张言等。食品中常见人工合成甜味剂的基本特征及其对生理代谢的影响。食品安全质量检测学报,2021,12(14)。DOI:10.19812/j.cnki.jfsq11-5956/ts.2021.14.033
[2]https://idf.org/
[3]Wang W, Nettleton JE, Gänzle MG, et al. A Metagenomics Investigation of Intergenerational Effects of Non-nutritive Sweeteners on Gut Microbiome. Front. Nutr. 8:795848. doi: 10.3389/fnut.2021.795848

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    2022-02-15 anminleiryan
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    2022-01-26 ms7000001491695371

    学习

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=1878461, encodeId=d1d118e8461c7, content=<a href='/topic/show?id=c157696175' target=_blank style='color:#2F92EE;'>#ERS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=57, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6961, encryptionId=c157696175, topicName=ERS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e93e105, createdName=anminleiryan, createdTime=Tue Feb 15 19:34:00 CST 2022, time=2022-02-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1661684, encodeId=3932166168411, content=<a href='/topic/show?id=1b3c1315481' target=_blank style='color:#2F92EE;'>#nutrition#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13154, encryptionId=1b3c1315481, topicName=nutrition)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=6f0d25331316, createdName=膀胱癌, createdTime=Fri Jun 10 13:34:00 CST 2022, time=2022-06-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1188188, encodeId=06c3118818811, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=350f5467089, createdName=ms7000001491695371, createdTime=Wed Jan 26 00:14:12 CST 2022, time=2022-01-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1188141, encodeId=17d3118814137, content=认真学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6EF3hKja8nER8RMzxQdria9eCYFhgLTLsDOeqnvIYdeLDz5eP6EnicLuE5gibiawgno4zUA0jAR7Nbtp2llQ9fs3Mk/0, createdBy=278f1986883, createdName=医鸣惊人, createdTime=Tue Jan 25 22:07:27 CST 2022, time=2022-01-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1188126, encodeId=43f011881266b, content=学习了,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7c592194322, createdName=1209e435m98(暂无昵称), createdTime=Tue Jan 25 21:41:59 CST 2022, time=2022-01-25, status=1, ipAttribution=)]
    2022-01-25 医鸣惊人

    认真学习了

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=1878461, encodeId=d1d118e8461c7, content=<a href='/topic/show?id=c157696175' target=_blank style='color:#2F92EE;'>#ERS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=57, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6961, encryptionId=c157696175, topicName=ERS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e93e105, createdName=anminleiryan, createdTime=Tue Feb 15 19:34:00 CST 2022, time=2022-02-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1661684, encodeId=3932166168411, content=<a href='/topic/show?id=1b3c1315481' target=_blank style='color:#2F92EE;'>#nutrition#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13154, encryptionId=1b3c1315481, topicName=nutrition)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=6f0d25331316, createdName=膀胱癌, createdTime=Fri Jun 10 13:34:00 CST 2022, time=2022-06-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1188188, encodeId=06c3118818811, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=350f5467089, createdName=ms7000001491695371, createdTime=Wed Jan 26 00:14:12 CST 2022, time=2022-01-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1188141, encodeId=17d3118814137, content=认真学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6EF3hKja8nER8RMzxQdria9eCYFhgLTLsDOeqnvIYdeLDz5eP6EnicLuE5gibiawgno4zUA0jAR7Nbtp2llQ9fs3Mk/0, createdBy=278f1986883, createdName=医鸣惊人, createdTime=Tue Jan 25 22:07:27 CST 2022, time=2022-01-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1188126, encodeId=43f011881266b, content=学习了,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7c592194322, createdName=1209e435m98(暂无昵称), createdTime=Tue Jan 25 21:41:59 CST 2022, time=2022-01-25, status=1, ipAttribution=)]
    2022-01-25 1209e435m98(暂无昵称)

    学习了,谢谢分享

    0

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Science Immunology:初生牛犊不怕虎!新冠病毒为何对婴幼儿伤害更小?

研究结果表明,婴儿免疫系统比大多数人想象的要更强大,并且在抵抗新病原体方面的表现击败了成人免疫系统。