{"id":6957,"date":"2024-08-06T16:42:53","date_gmt":"2024-08-06T16:42:53","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=6957"},"modified":"2024-08-06T16:42:53","modified_gmt":"2024-08-06T16:42:53","slug":"n-acetylneuraminic-acid","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/n-acetylneuraminic-acid\/","title":{"rendered":"Hvad er N-acetylneuraminsyre, en ny f\u00f8devareingrediens?"},"content":{"rendered":"<p><strong>National bekendtg\u00f8relse<\/strong><\/p>\n<p>Den 31. maj 2017 udstedte den nationale sundheds- og familieplanl\u00e6gningskommission meddelelsen om 10 nye f\u00f8devareingredienser, herunder sheasm\u00f8r (nr. 7 af 2017). 7 of 2017), der formelt godkender sheasm\u00f8r, (3R,3'R)-Dihydroxy-beta-caroten, Pau d'Arco-pulver, N-acetylneuraminsyre, vandekstrakt af broccolifr\u00f8, cis-15-Eicosadecadienoic Acid, Rice Bran Aliphatic Alcohol, gamma-linolensyreolie og fedt (fra Acanthospora minor graminicola), calcium \u03b2-hydroxy-\u03b2-methylbutyrat og ingef\u00e6rbladkerner er nye f\u00f8devareingredienser, og i det f\u00f8lgende beskrives deres grundl\u00e6ggende oplysninger, processer, anbefalede portionsst\u00f8rrelser, kvalitetskrav osv:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-6958\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-265-538x433.png\" alt=\"\" width=\"538\" height=\"433\" \/><\/p>\n<p><strong>Introduktion<\/strong><\/p>\n<p>Allerede i 1957 isolerede Blix sialinsyre (SA) fra mucin fra bovin submandibul\u00e6r kirtel, SA er det generelle navn p\u00e5 ni kulstofsukker neuraminsyre, ogs\u00e5 kendt som fuglereder, kemisk kendt som N-Acetyl Neuraminic Acid (NANA), som findes i fuglereder og mejeriprodukter (herunder brystm\u00e6lk, kom\u00e6lk, gedem\u00e6lk og ost), hvor brystm\u00e6lk har det h\u00f8jeste niveau af SA, som er ca. 1,5 g\/L. SA er ogs\u00e5 en vigtig indikator for kvaliteten af fuglereder, og det er en vigtig komponent i strukturen og funktionen af hjernens gangliosider og glykoproteiner.<\/p>\n<p>I mellemtiden er SA ogs\u00e5 en vigtig indikator for fugleredernes kvalitet, idet fuglereder af h\u00f8j kvalitet indeholder omkring 10% SA. SA er en vigtig strukturel og funktionel komponent i hjernens gangliosider og glykoproteiner, og det h\u00f8je indhold af SA i hjernen er et vigtigt n\u00e6ringsstof for den kognitive udvikling af den menneskelige hjerne.<\/p>\n<p><strong>Virkninger af N-acetylneuraminsyre<\/strong><\/p>\n<p><strong>1. blegning<\/strong><\/p>\n<p>Ud fra den biologiske mekanisme katalyseres melanosomer i melanocytter af tyrosinase til at danne melanin, hvilket f\u00f8rer til en m\u00f8rkere hudfarve.<\/p>\n<p>N\u00e5r koncentrationen af spytsyre er ca. 0,7%, n\u00e5r h\u00e6mningshastigheden for tyrosinhydroxylaseaktivitet maksimum; n\u00e5r koncentrationen af spytsyre er ca. 0,5%, n\u00e5r h\u00e6mningshastigheden for dopahydroxylaseaktivitet maksimum; derfor, n\u00e5r brugsm\u00e6ngden er 0,5% ~ 0,7%, kan det sikre en god blegningseffekt.<\/p>\n<p><strong>2. fugtgivende<\/strong><\/p>\n<p>Spyttens kemiske natur h\u00f8rer til sukker, s\u00e5 den har den naturlige egenskab at v\u00e6re fugtgivende. Som en af dens virkninger er 0,5% indhold af spyt syre 24 timers fugtgivende hastighed i den s\u00e6dvanlige kosmetiske brugscyklus end rent vand ca. 20% h\u00f8jere. Selvf\u00f8lgelig kan spytsyre alene ikke sammenlignes med hyaluronsyres fugtgivende ydeevne.<\/p>\n<p><strong>3. Anti-aldring<\/strong><\/p>\n<p>If\u00f8lge den eksisterende molekyl\u00e6rbiologiske forskningslitteratur viser det sig, at de nyf\u00f8dte celler i spyttens syreindhold er betydeligt h\u00f8jere end de aldrende celler. Yderligere eksperimenter har vist, at celler behandlet med spytsyreglykosidase (note: nedbrudt del af spytsyren) vil d\u00f8 inden for f\u00e5 timer efter indspr\u00f8jtning i kroppen, mens den normale cellelevetid er 120 dage, hvilket tyder p\u00e5, at spytsyre er involveret i reguleringen af cellens livscyklus.<\/p>\n<p><strong>4. Anti-inflammatorisk<\/strong><\/p>\n<p>Det har vist sig, at spytsyre kan h\u00e6mme leukocytadh\u00e6sion og kan bek\u00e6mpe inflammation og spille en antibakteriel og antiinflammatorisk rolle. Spyttens syre interagerer ikke kun med bakterier, men kan ogs\u00e5 interagere med vira for at ud\u00f8ve antivirale funktioner.<\/p>\n<p><strong>5. Fremme udviklingen af hukommelse og intelligens<\/strong><\/p>\n<p>Spyttens syre er en vigtig komponent i hjernens gangliosider, nervecellemembranen i spyttens syreindhold er 20 gange indholdet af andre celler p\u00e5 grund af hjerneinformationsoverf\u00f8rslen og nerveimpulsledningen skal realiseres gennem synapserne, og spyttens syre er rollen som hjernecellemembranen og synapserne i hjernens n\u00e6ringsstoffer, der kan fremme udviklingen af hukommelse og intelligens.<\/p>\n<p><strong>6. Fremmer tarmens absorption<\/strong><\/p>\n<p>Spyt med en st\u00e6rk negativ ladning, i henhold til princippet om mods\u00e6tninger tiltr\u00e6kker, ind i tarmkanalen med en positiv ladning af mineraler og nogle vitaminer er nemme at med en st\u00e6rk negativ ladning af spyt kombineret sammen. Derfor kan spyttens syre forbedre tarmens optagelse af mineraler og vitaminer.<\/p>\n<p><strong>N-acetylneuraminsyre i f\u00f8devarer<\/strong><\/p>\n<p>Da leveren hos nyf\u00f8dte stadig er umoden, og den hurtige v\u00e6kst og udvikling af hjernen kr\u00e6ver spyt, er det n\u00f8dvendigt at supplere spyt for at im\u00f8dekomme behovene for v\u00e6kst og udvikling hos sp\u00e6db\u00f8rn og sm\u00e5b\u00f8rn. Det har vist sig, at kosttilskud med eksogent spyt kan \u00f8ge spytindholdet i hjernen, hvilket forudsiger, at spyt kan tils\u00e6ttes moderm\u00e6lkserstatning for effektivt at fremme udviklingen af deres nervesystem og hjerne og samtidig p\u00e5virke deres intellektuelle udvikling.<\/p>\n<p>Spyt og spytderivater tils\u00e6ttes til drikken for at lave funktionelle drikkevarer, langtidsforbrug af drikkevarer kan ikke kun anden forebyggelse af fork\u00f8lelse og influenza, men ogs\u00e5 forbedre tarmens absorption af vitaminer og mineraler, forbedre hjernens evne til at l\u00e6re og hj\u00e6lpe med at forbedre kroppens kvalitet.<\/p>\n<p>Referencer:<\/p>\n<p>[1] Bioaktivitet af spyt syrer og deres fordeling i mejeriprodukter[J]. CHENG Jia-Li,WANG Zhu,LIU Ting-Ting,SHEN Jie,YANG Yue-Xin. F\u00f8devareforskning og -udvikling. 2016(04)<\/p>\n<p>[2] Fysiologiske funktioner, anvendelser af spytsyrer og deres produktionsmetoder[J]. LI Hongyue,LIU Pengfu,SHI Jiping,TIAN Jing. F\u00f8devareindustriens videnskab og teknologi. 2014(03)<\/p>\n<p>[3] Forskningsfremskridt inden for spytsyrers biologiske aktiviteter og deres anvendelse[J]. WEI Dongxu, JIANG Lianzhou, WANG Chen, WANG Zhongjiang. China Food and Nutrition. 2011, 17(7): 64-68<\/p>","protected":false},"excerpt":{"rendered":"<p>National Announcement On May 31, 2017, the National Health and Family Planning Commission issued the Announcement on 10 New Food Ingredients Including Shea Butter (No. 7 of 2017), formally approving Shea Butter, (3R,3&#8217;R)-Dihydroxy-beta-carotene, Pau d&#8217;Arco Powder, N-Acetyl Neuraminic Acid, Water Extract of Broccoli Seeds, cis-15-Eicosadecadienoic Acid, Rice Bran Aliphatic Alcohol, Gamma- Linolenic acid oil and [&hellip;]<\/p>","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is N-acetylneuraminic acid, a new food ingredient? - China Chemical Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangextracts.com\/da\/n-acetylneuraminic-acid\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is N-acetylneuraminic acid, a new food ingredient? 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