{"id":2145143,"date":"2026-09-14T11:16:21","date_gmt":"2026-09-14T08:16:21","guid":{"rendered":"https:\/\/analyse.optim.biz\/?p=2145143"},"modified":"2026-09-14T11:16:21","modified_gmt":"2026-09-14T08:16:21","slug":"hrana-viitorului-biscuiti-comestibili-din-pet-uri-reciclabile-solutia-neobisnuita-la-care-lucreaza","status":"publish","type":"post","link":"https:\/\/analyse.optim.biz\/?p=2145143","title":{"rendered":"Hrana viitorului: biscui\u0163i comestibili din PET-uri reciclabile. Solu\u021bia neobi\u0219nuit\u0103 la care lucreaz\u0103&#8230;"},"content":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/cdn.adh.reperio.news\/image-a\/a3e53bb4-5873-44db-96ce-805bc9cc6351\/index.jpeg?p=f%3Djpeg%26w%3D1200%26h%3D630%26r%3Dcover&#8221;]<\/p>\n<article class=\"svelte-x63bga\">\n<nav>\n<ul class=\"breadcrump svelte-1pk9a69\">\n<li class=\"svelte-1pk9a69\"><a href=\"https:\/\/adevarul.ro\/\" title=\"Adev\u0103rul\" class=\"svelte-1pk9a69\">Home<\/a><\/li>\n<li class=\"svelte-1pk9a69\"><a href=\"https:\/\/adevarul.ro\/stil-de-viata\" class=\"svelte-1pk9a69\">Stil de via\u021b\u0103<\/a><\/li>\n<li class=\"svelte-1pk9a69\"><a href=\"https:\/\/adevarul.ro\/stil-de-viata\/stiinta\" class=\"svelte-1pk9a69\">\u0218tiin\u021b\u0103<\/a><\/li>\n<li class=\"svelte-1pk9a69\"><a href=\"https:\/\/adevarul.ro\/stil-de-viata\/stiinta\/hrana-viitorului-biscuiti-comestibili-din-pet-uri-2557420.html\" class=\"svelte-1pk9a69\">Hrana viitorului: biscui\u0163i comestibili din PET-uri reciclabile. Solu\u021bia neobi\u0219nuit\u0103 la care lucreaz\u0103 cercet\u0103torii cu sprijinul NASA<\/a><\/li>\n<\/ul>\n<\/nav>\n<p><main class=\"svelte-x63bga\"><\/p>\n<div class=\"raw-block\"><iframe loading=\"lazy\" width=\"463\" height=\"823\" src=\"https:\/\/www.youtube.com\/embed\/YQywN1VuMKU\" frameborder allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen class=\"responsive\"><\/iframe><\/div>\n<p>\u201eBiscui\u021bi din PET-uri\u201d<br \/>\nsun\u0103 ca o idee desprins\u0103 dintr-un film SF, dar cercet\u0103torii au g\u0103sit o metod\u0103<br \/>\nprin care de\u0219eurile de plastic pot fi transformate \u00een ingrediente alimentare.<\/p>\n<p>O echip\u0103 de<br \/>\ncercet\u0103tori pare pe cale s\u0103 g\u0103seasc\u0103 o solu\u021bie pentru dou\u0103 dintre marile probleme cu<br \/>\ncare se confrunt\u0103 omenirea: <a href=\"https:\/\/adevarul.ro\/stiri-externe\/in-lume\/cei-mai-mari-poluatori-cu-plastic-din-lume-2357052.html\" target=\"_blank\">poluarea provocat\u0103 de plastic<\/a> \u0219i lipsa resurselor<br \/>\nalimentare. Ideea lor este la fel de neobi\u0219nuit\u0103 pe c\u00e2t pare de simpl\u0103: s\u0103<br \/>\ntransforme PET-urile \u0219i de\u0219eurile agricole \u00een ingrediente care pot fi folosite<br \/>\npentru producerea hranei.<\/p>\n<p>Cercet\u0103torii de la<br \/>\nSouthern Illinois University Carbondale au modificat genetic mai multe tulpini<br \/>\nde drojdie, inclusiv drojdie de panifica\u021bie, pentru ca microorganismele s\u0103<br \/>\npoat\u0103 transforma<a href=\"https:\/\/adevarul.ro\/stiri-externe\/in-lume\/avertisment-greenpeace-plasticul-reciclat-poate-2269841.html\" target=\"_blank\"> molecule provenite din plastic<\/a> \u00een proteine, gr\u0103simi, vitamine<br \/>\n\u0219i compu\u0219i aromatici. Din aceste ingrediente au fost crea\u021bi, cu ajutorul unei<br \/>\nimprimante 3D, biscui\u021bii numi\u021bi \u201e\u00b5Bites\u201d.<\/p>\n<p>Proiectul a fost<br \/>\ndezvoltat, \u00een parte, \u00een cadrul programului NASA Deep Space Food Challenge, care<br \/>\nurm\u0103re\u0219te g\u0103sirea unor metode prin care astronau\u021bii s\u0103 \u00ee\u0219i poat\u0103 produce hrana<br \/>\n\u00een timpul misiunilor spa\u021biale de lung\u0103 durat\u0103. Dac\u0103 aprovizionarea de pe P\u0103m\u00e2nt<br \/>\ndevine dificil\u0103 sau imposibil\u0103, orice resurs\u0103 disponibil\u0103 la bord ar putea<br \/>\ndeveni important\u0103, astfel c\u0103 sunt c\u0103utate solu\u0163ii \u00een acest sens.<\/p>\n<h2>Cum ajunge un PET biscu\u0163i<br \/>\ncomestibili<\/h2>\n<p>Cercet\u0103torii au<br \/>\npornit de la PET, unul dintre cele mai folosite tipuri de plastic pentru<br \/>\nrecipientele de ap\u0103 \u0219i b\u0103uturi r\u0103coritoare. Materialul este bogat \u00een carbon,<br \/>\niar carbonul se reg\u0103se\u0219te \u0219i \u00een alimente, spun speciali\u015ftii. Provocarea este s\u0103<br \/>\ntransformi moleculele complexe din plastic \u00een compu\u0219i pe care microorganismele<br \/>\n\u00eei pot utiliza.<\/p>\n<p><i>\u201e\u00cencercam s\u0103 dezvolt\u0103m tehnologii pentru valorificarea<br \/>\nplasticului, astfel \u00eenc\u00e2t s\u0103 ob\u021binem produse cu o valoare mai mare. Ne-am<br \/>\ng\u00e2ndit: de ce s\u0103 nu ne concentr\u0103m pe producerea hranei? Pentru c\u0103 plasticul<br \/>\neste carbon, iar hrana este carbon\u201d, <\/i>a declarat profesorul Lahiru Jayakody de la Southern Illinois University<br \/>\nCarbondale, pentru <a href=\"https:\/\/www.sciencedaily.com\/releases\/2026\/09\/260912220033.htm\" target=\"_blank\" rel=\"nofollow\">sciencedaily.<\/a><\/p>\n<p>\u00cen loc s\u0103 se bazeze<br \/>\ndoar pe reac\u021bii chimice, echipa a apelat la microorganisme. \u00cenainte de a ajunge<br \/>\nla drojdie, \u00eens\u0103, PET-urile, tulpinile \u0219i frunzele de porumb \u0219i alte resturi de<br \/>\nbiomas\u0103 trebuie descompuse.<\/p>\n<p>Cercet\u0103torii folosesc<br \/>\n\u00een acest scop o tehnic\u0103 numit\u0103 dizolvare hidrotermal\u0103 oxidativ\u0103. Procesul<br \/>\ncombin\u0103 apa \u0219i oxigenul la temperaturi \u0219i presiuni ridicate \u0219i descompune<br \/>\nmaterialele rezistente \u00een molecule mai simple, pe care microorganismele le pot<br \/>\nfolosi.<\/p>\n<p><i>\u201eMicroorganismele sunt foarte ingenioase. A\u0219a c\u0103 folosim<br \/>\npropriet\u0103\u021bile lor pentru a rezolva problemele pe care tot noi le-am creat\u201d,<\/i> a explicat Lahiru Jayakody.<\/p>\n<h2>Ingredientul principal: drojdia modificat\u0103 genetic<\/h2>\n<p>Abia dup\u0103 aceast\u0103<br \/>\netap\u0103 intr\u0103 \u00een scen\u0103 drojdia modificat\u0103 genetic. Cercet\u0103torii au \u201eprogramat\u201d<br \/>\nmai multe tulpini de drojdie pentru a utiliza moleculele provenite din plastic<br \/>\n\u0219i din resturile agricole \u0219i pentru a le transforma \u00een substan\u021be folositoare.<\/p>\n<p><a class=\"related-inline svelte-78g0vl\" data-gtrack=\"{&quot;event&quot;:&quot;utm_click&quot;,&quot;data&quot;:{&quot;event_category&quot;:&quot;article_related&quot;}}\" href=\"https:\/\/adevarul.ro\/stil-de-viata\/stiinta\/care-este-cea-mai-periculoasa-substanta-chimica-2373780.html\" title=\"Alt articol de interes pentru tine\"><span class=\"inline-title svelte-78g0vl\">Care este cea mai periculoas\u0103 substan\u021b\u0103 chimic\u0103 din lume. Rezultatul cercet\u0103torilor este surprinz\u0103tor <\/span><\/a><\/p>\n<p>\u00cen acest fel pot fi<br \/>\nob\u021binute proteine, gr\u0103simi \u0219i acizi, dar \u0219i alte ingrediente care pot<br \/>\n\u00eembun\u0103t\u0103\u021bi produsul final. Cercet\u0103torii au reu\u0219it, de exemplu, s\u0103 creeze o<br \/>\ntulpin\u0103 de drojdie care produce arom\u0103 de vanilie din biomas\u0103 vegetal\u0103.<\/p>\n<div class=\"container-image  svelte-1xbw4f3\"><source type=\"image\/webp\" srcset=\"https:\/\/cdn.adh.reperio.news\/image-a\/a3e53bb4-5873-44db-96ce-805bc9cc6351\/index.jpeg?p=a%3D1%26co%3D1.05%26w%3D1400%26h%3D750%26r%3Dcontain%26f%3Dwebp 1400w\" media=\"(min-width: 1400px)\" \/><\/p>\n<div class=\"caption svelte-1xbw4f3\"><span class=\"captionText svelte-1xbw4f3\"><span class=\"source svelte-1xbw4f3\">Foto: SIU Carbondale<\/span><\/span><\/div>\n<\/div>\n<p>O alt\u0103 tulpin\u0103 poate<br \/>\nutiliza etilenglicolul rezultat din descompunerea PET-ului pentru a produce<br \/>\nbetacaroten, pe care organismul uman \u00eel poate transforma ulterior \u00een vitamina<br \/>\nA.<\/p>\n<p><i>\u201eFolosim microorganismele pentru a transforma biscuitul<br \/>\n\u00eentr-un produs mai atractiv \u0219i mai u\u0219or de acceptat de consumatori\u201d,<\/i> spune Sandhya Jayasekara, cercet\u0103toare implicat\u0103 \u00een<br \/>\nproiect.<\/p>\n<h2>Cum sunt f\u0103cu\u021bi<br \/>\nbiscui\u021bii din PET-uri<\/h2>\n<p>Ingredientele<br \/>\nob\u021binute cu ajutorul microorganismelor nu ajung direct din PET \u00een aluat. Dup\u0103<br \/>\nprocesarea de\u0219eurilor \u0219i transformarea moleculelor de c\u0103tre drojdie,<br \/>\ncercet\u0103torii combin\u0103 ingredientele rezultate cu fibre, amidon \u0219i un \u00eendulcitor.<\/p>\n<p>Amestecul este apoi<br \/>\nintrodus \u00eentr-o imprimant\u0103 3D, care \u00eei d\u0103 forma unor biscui\u021bi de mici<br \/>\ndimensiuni, denumi\u021bi \u201e\u00b5Bites\u201d(\u201emicrobites\u201d).<\/p>\n<p>Deocamdat\u0103, proiectul<br \/>\nnu a ajuns la etapa degust\u0103rii oficiale. Cercet\u0103torii a\u0219teapt\u0103 aprob\u0103rile<br \/>\nnecesare pentru a putea realiza testele de gust. Participan\u021bii au evaluat p\u00e2n\u0103<br \/>\nacum biscui\u021bii dup\u0103 miros, iar cei mai mul\u021bi au spus c\u0103 ar fi dispu\u0219i s\u0103 \u00eei<br \/>\nm\u0103n\u00e2nce dac\u0103 s-ar afla \u00eentr-o situa\u021bie \u00een care resursele de hran\u0103 ar fi<br \/>\nlimitate.<\/p>\n<p>Datele disponibile<br \/>\nindic\u0103, \u00eens\u0103, faptul c\u0103 biscui\u021bii sunt siguri pentru consum, dar testele<br \/>\noficiale vor putea \u00eencepe abia dup\u0103 ob\u021binerea aprob\u0103rilor institu\u021bionale.<\/p>\n<h2>Cercet\u0103rile sunt<br \/>\nfinan\u0163ate de NASA<\/h2>\n<p>NASA a finan\u021bat<br \/>\ncercetarea tocmai pentru c\u0103 o astfel de tehnologie ar putea fi util\u0103 \u00een locuri<br \/>\nunde aprovizionarea cu alimente este complicat\u0103. O misiune spa\u021bial\u0103 de lung\u0103<br \/>\ndurat\u0103 este unul dintre cele mai evidente exemple.<\/p>\n<p>Dar cercet\u0103torii nu<br \/>\nse g\u00e2ndesc numai la spa\u021biu. Tehnologia ar putea fi folosit\u0103 \u0219i \u00een submarine sau<br \/>\n\u00een zone afectate de dezastre naturale, unde transportul unor cantit\u0103\u021bi mari de<br \/>\nalimente poate fi dificil. Pe termen mai lung, ea ar putea deveni util\u0103<br \/>\ninclusiv pentru viitoarele a\u0219ez\u0103ri umane de pe Lun\u0103 sau Marte.<\/p>\n<p>Miza este \u00eens\u0103 mai<br \/>\nmare. Cercet\u0103torii v\u0103d \u00een aceast\u0103 tehnologie o posibil\u0103 modalitate de a aborda<br \/>\nsimultan dou\u0103 probleme care devin tot mai greu de ignorat: cantitatea uria\u0219\u0103 de<br \/>\nde\u0219euri din plastic \u0219i presiunea tot mai mare asupra resurselor alimentare.<\/p>\n<p><i>\u201eCererea global\u0103 de alimente este estimat\u0103 s\u0103 creasc\u0103 cu<br \/>\n35-56% p\u00e2n\u0103 \u00een 2050, iar aproximativ 30% din popula\u021bia lumii va fi expus\u0103<br \/>\nriscului de foamete \u00een viitor. Cred c\u0103 modalitatea de a aborda aceast\u0103 problem\u0103<br \/>\neste folosirea microorganismelor\u201d,<\/i> conchide cercet\u0103torul.<\/p>\n<p>Cercetarea a fost<br \/>\nfinan\u021bat\u0103 prin programul NASA Deep Space Food Challenge \u0219i printr-un grant<br \/>\nCAREER acordat de National Science Foundation.<\/p>\n<p><\/main><\/p>\n<footer class=\"svelte-x63bga\">\n<div class=\"related-wrap related-footer svelte-78g0vl\"><span class=\"related-label svelte-78g0vl\">Cite\u0219te \u0219i<\/span><a class=\"related svelte-78g0vl\" data-gtrack=\"{&quot;event&quot;:&quot;utm_click&quot;,&quot;data&quot;:{&quot;event_category&quot;:&quot;article_related&quot;}}\" href=\"https:\/\/adevarul.ro\/stil-de-viata\/stiinta\/paradisul-plin-de-plastic-marea-mediterana-este-2376444.html\" title=\"Alt articol de interes pentru tine\"><img decoding=\"async\" class=\"thumb svelte-78g0vl\" src=\"https:\/\/cdn.adh.reperio.news\/image-2\/22787284-9ce4-4456-8dc1-11e3380a182b\/index.jpeg?p=f%3Dwebp%26w%3D120%26h%3D80%26r%3Dcover%26a%3D0\" alt loading=\"lazy\" width=\"80\" height=\"54\"><span class=\"title svelte-78g0vl\">Paradisul plin de plastic. 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Cum au fost transformate de\u0219eurile \u00een pr\u0103jituri comestibile<\/span><\/a><\/div>\n<div class=\"meta svelte-x63bga\">\n<div class=\"authors svelte-x63bga\"><span class=\"names svelte-x63bga\"><a href=\"https:\/\/adevarul.ro\/author\/2048\" rel=\"author\" class=\"svelte-x63bga\">Florentina Grigore<\/a><\/span><\/p>\n<div class=\"_hydratable\" data-props=\"%7B%22showLive%22%3Atrue%7D\" data-context=\"%7B%22parentBlockColumnCount%22%3A%7B%22value%22%3A0%2C%22type%22%3A%22store%2Freadable%22%7D%2C%22parentBlockBackgroundColor%22%3A%7B%22type%22%3A%22store%2Freadable%22%7D%7D\" data-component=\"ShareButton\">\n<div class=\"shareButtons svelte-itwbrr\">\n<div class=\"liveSessions metaFont svelte-1maxmbf\"><span class=\"value svelte-1maxmbf\">1<\/span> live <\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"tags svelte-1l3vwp1\"><span class=\"tags-label metaFont svelte-1l3vwp1\">Cite\u0219te mai multe despre<\/span><\/p>\n<div class=\"tags-list svelte-1l3vwp1\"><a href=\"https:\/\/adevarul.ro\/tag\/video\" title=\"Ultimele \u0219tiri despre video\" class=\"tag-pill svelte-1l3vwp1\">video<\/a><a href=\"https:\/\/adevarul.ro\/tag\/nasa\" title=\"Ultimele \u0219tiri despre nasa\" class=\"tag-pill svelte-1l3vwp1\">nasa<\/a><a href=\"https:\/\/adevarul.ro\/tag\/imprimanta%203d\" title=\"Ultimele \u0219tiri despre imprimanta 3d\" class=\"tag-pill svelte-1l3vwp1\">imprimanta 3d<\/a><a href=\"https:\/\/adevarul.ro\/tag\/biscuiti\" title=\"Ultimele \u0219tiri despre biscuiti\" class=\"tag-pill svelte-1l3vwp1\">biscuiti<\/a><a href=\"https:\/\/adevarul.ro\/tag\/drojdie\" title=\"Ultimele \u0219tiri despre drojdie\" class=\"tag-pill svelte-1l3vwp1\">drojdie<\/a><a href=\"https:\/\/adevarul.ro\/tag\/microorganisme\" title=\"Ultimele \u0219tiri despre microorganisme\" class=\"tag-pill svelte-1l3vwp1\">microorganisme<\/a><\/div>\n<\/div>\n<\/div>\n<p><a class=\"moreFromCategory svelte-x63bga\" href=\"https:\/\/adevarul.ro\/stil-de-viata\/stiinta\" title=\"\u0218tiin\u021b\u0103\">Mai multe din <strong class=\"svelte-x63bga\">\u0218tiin\u021b\u0103<\/strong> \u203a<\/a><\/footer>\n<\/article>\n<p>[analyse_source url=&#8221;https:\/\/adevarul.ro\/stil-de-viata\/stiinta\/hrana-viitorului-biscuiti-comestibili-din-pet-uri-2557420.html&#8221;]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/cdn.adh.reperio.news\/image-a\/a3e53bb4-5873-44db-96ce-805bc9cc6351\/index.jpeg?p=f%3Djpeg%26w%3D1200%26h%3D630%26r%3Dcover&#8221;] Home Stil de via\u021b\u0103 \u0218tiin\u021b\u0103 Hrana viitorului: biscui\u0163i comestibili din PET-uri reciclabile. Solu\u021bia neobi\u0219nuit\u0103 la care lucreaz\u0103 cercet\u0103torii cu sprijinul NASA \u201eBiscui\u021bi din PET-uri\u201d sun\u0103 ca o idee desprins\u0103 dintr-un film SF, dar cercet\u0103torii au g\u0103sit o metod\u0103 prin care de\u0219eurile de plastic pot fi transformate \u00een ingrediente alimentare. O echip\u0103 de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[89],"tags":[19,226],"class_list":["post-2145143","post","type-post","status-publish","format-standard","hentry","category-romania","tag-adevarul","tag-crawlmanager"],"_links":{"self":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/2145143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2145143"}],"version-history":[{"count":0,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/2145143\/revisions"}],"wp:attachment":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2145143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2145143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2145143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}