{"id":7639,"date":"2026-04-15T09:51:30","date_gmt":"2026-04-15T06:51:30","guid":{"rendered":"https:\/\/www.schooler.org.ua\/uk-uanovij-biorozkladnij-zasib-dlja-mittja-dopomozhe-skorotiti\/"},"modified":"2026-04-15T09:51:30","modified_gmt":"2026-04-15T06:51:30","slug":"uk-uanovij-biorozkladnij-zasib-dlja-mittja-dopomozhe-skorotiti","status":"publish","type":"post","link":"https:\/\/www.schooler.org.ua\/cs\/uk-uanovij-biorozkladnij-zasib-dlja-mittja-dopomozhe-skorotiti\/","title":{"rendered":"Nov\u00fd biologicky odbourateln\u00fd prac\u00ed prost\u0159edek pom\u016f\u017ee sn\u00ed\u017eit pl\u00fdtv\u00e1n\u00ed potravinami a zbytky pesticid\u016f"},"content":{"rendered":"

Jednou z hlavn\u00edch v\u00fdzev v glob\u00e1ln\u00edm potravinov\u00e9m \u0159et\u011bzci je k\u0159ehk\u00e1 rovnov\u00e1ha mezi bezpe\u010dnost\u00ed potravin a trvanlivost\u00ed. P\u0159esto\u017ee se spot\u0159ebitel\u016fm doporu\u010duje m\u00fdt zeleninu a ovoce, aby se odstranily bakterie a pesticidy, samotn\u00e1 voda \u010dasto nesta\u010d\u00ed k prodlou\u017een\u00ed trvanlivosti nebo k \u00fa\u010dinn\u00e9mu smyt\u00ed zbytk\u016f chemik\u00e1li\u00ed. K vy\u0159e\u0161en\u00ed tohoto probl\u00e9mu vyvinuli v\u011bdci z University of British Columbia (UBC) biologicky odbourateln\u00fd oplach, kter\u00fd ovoce nejen \u010dist\u00ed, ale tak\u00e9 ho udr\u017e\u00ed d\u00e9le \u010derstv\u00e9. <\/p>\n

V\u011bda o \u201edruh\u00e9 k\u016f\u017ei\u201c<\/h3>\n

Tento pr\u016flom, ned\u00e1vno publikovan\u00fd v \u010dasopise ACS Nano<\/em>, odstra\u0148uje drsn\u00e9 syntetick\u00e9 chemik\u00e1lie ve prosp\u011bch roztok\u016f z p\u0159\u00edrodn\u00edch zdroj\u016f. V\u00fdzkumn\u00fd t\u00fdm veden\u00fd v\u011bdcem Tianxi Yangem pou\u017eil jako z\u00e1klad v\u00fdta\u017eky ze \u0161krobu<\/strong> \u2013 stejn\u00e9 sacharidy, jak\u00e9 se nach\u00e1zej\u00ed v b\u011b\u017en\u00fdch obilovin\u00e1ch a brambor\u00e1ch. <\/p>\n

Aby se tento \u0161krob prom\u011bnil v \u00fa\u010dinn\u00fd \u010distic\u00ed prost\u0159edek, p\u0159idali v\u011bdci dv\u011b kl\u00ed\u010dov\u00e9 slo\u017eky:
\n– \u017delezo<\/strong>
\n– Kyselina t\u0159\u00edslov\u00e1<\/strong> (l\u00e1tka hojn\u011b se vyskytuj\u00edc\u00ed v \u010daji a v\u00edn\u011b)<\/p>\n

Po sm\u00edch\u00e1n\u00ed tvo\u0159\u00ed tyto slo\u017eky lepivou hmotu. Tato \u201elepkavost\u201c umo\u017e\u0148uje, aby se roztok nav\u00e1zal na molekuly pesticidu na povrchu ovoce, co\u017e usnad\u0148uje sm\u00fdv\u00e1n\u00ed. <\/p>\n

Prok\u00e1zan\u00e9 v\u00fdsledky: \u010di\u0161t\u011bn\u00ed a konzervace<\/h3>\n

Aby t\u00fdm potvrdil \u00fa\u010dinnost produktu, provedl srovn\u00e1vac\u00ed testy s pou\u017eit\u00edm jablek o\u0161et\u0159en\u00fdch pesticidy v koncentrac\u00edch, kter\u00e9 spl\u0148uj\u00ed pr\u016fmyslov\u00e9 normy. V\u00fdsledky uk\u00e1zaly v\u00fdznamn\u00fd rozd\u00edl v \u00fa\u010dinnosti mezi nov\u00fdm \u0159e\u0161en\u00edm a tradi\u010dn\u00edmi metodami:<\/p>\n

    \n
  • Odstran\u011bn\u00ed pesticid\u016f:<\/strong> Produkt na b\u00e1zi \u0161krobu odstranil 86 % a\u017e 94 %<\/strong> povrchov\u00fdch chemik\u00e1li\u00ed, zat\u00edmco b\u011b\u017en\u00e9 oplachov\u00e1n\u00ed vodou odstranilo m\u00e9n\u011b ne\u017e polovinu. <\/li>\n
  • Prodlou\u017een\u00e1 trvanlivost:<\/strong> P\u0159i aplikaci na hrozny p\u016fsobil povlak jako \u201eprody\u0161n\u00e1 druh\u00e1 slupka\u201c. Tato vrstva zabr\u00e1nila ztr\u00e1t\u011b vlhkosti a umo\u017enila hrozn\u016fm z\u016fstat \u0161\u0165avnat\u00e9 a \u010derstv\u00e9 a\u017e 15 dn\u00ed<\/strong> p\u0159i pokojov\u00e9 teplot\u011b. <\/li>\n
  • Zachov\u00e1n\u00ed kvality:<\/strong> Krom\u011b zabr\u00e1n\u011bn\u00ed hnilob\u011b povlak pom\u00e1hal udr\u017eovat vnit\u0159n\u00ed kvalitativn\u00ed charakteristiky ovoce t\u00edm, \u017ee udr\u017euje vy\u0161\u0161\u00ed \u00farove\u0148 kyselosti a rozpustn\u00fdch cukr\u016f ne\u017e neo\u0161et\u0159en\u00e9 ovoce. <\/li>\n
  • Antimikrobi\u00e1ln\u00ed vlastnosti:<\/strong> Sm\u011bs tak\u00e9 vytv\u00e1\u0159\u00ed ochrannou bari\u00e9ru proti mikrobi\u00e1ln\u00edmu rozkladu. <\/li>\n<\/ul>\n

    Pro\u010d je to d\u016fle\u017eit\u00e9 pro potravin\u00e1\u0159sk\u00fd pr\u016fmysl<\/h3>\n

    Tento v\u00fdvoj p\u0159ich\u00e1z\u00ed v kritick\u00e9 dob\u011b. Vzhledem k tomu, \u017ee jen v USA se ro\u010dn\u011b vypl\u00fdtvaj\u00ed miliony liber \u010derstv\u00fdch produkt\u016f, je jak\u00e1koli metoda, kter\u00e1 zvy\u0161uje okno \u010derstvosti, nanejv\u00fd\u0161 d\u016fle\u017eit\u00e1 jak pro udr\u017eitelnost \u017eivotn\u00edho prost\u0159ed\u00ed, tak pro n\u00e1kladovou efektivitu. <\/p>\n

    V\u00fdzkumn\u00edci se tak\u00e9 zab\u00fdvali nej\u010dast\u011bj\u0161\u00edm probl\u00e9mem nov\u00fdch zem\u011bd\u011blsk\u00fdch technologi\u00ed: n\u00e1klady<\/strong>. Vzhledem k tomu, \u017ee p\u0159\u00edsady jsou levn\u00e9 a snadno dostupn\u00e9, t\u00fdm odhaduje, \u017ee zpracov\u00e1n\u00ed zv\u00fd\u0161\u00ed n\u00e1klady pouze o t\u0159i centy za jablko<\/strong>. D\u00edky tomu je metoda ekonomicky konkurenceschopn\u00e1 ve srovn\u00e1n\u00ed se st\u00e1vaj\u00edc\u00edmi pr\u016fmyslov\u00fdmi n\u00e1t\u011bry. <\/p>\n

    Budouc\u00ed aplikace<\/h3>\n

    V\u0161estrannost \u0161krobov\u00e9ho \u0159e\u0161en\u00ed otev\u00edr\u00e1 n\u011bkolik zp\u016fsob\u016f implementace:
    \n1. Pr\u016fmyslov\u00e9 m\u011b\u0159\u00edtko:<\/strong> Velc\u00ed zem\u011bd\u011blsk\u00ed producenti mohou tento produkt pou\u017e\u00edvat p\u0159i poskliz\u0148ov\u00e9m zpracov\u00e1n\u00ed.
    \n2. Spot\u0159ebitelsk\u00fd segment:<\/strong> Technologii lze upravit pro pot\u0159eby dom\u00e1cnosti nap\u0159. ve form\u011b speci\u00e1ln\u00edch sprej\u016f nebo rozpustn\u00fdch tablet, kter\u00e9 spot\u0159ebitel\u016fm umo\u017en\u00ed zpracov\u00e1vat produkty p\u0159\u00edmo doma. <\/p>\n

    \n

    \u201eLid\u00e9 by si nem\u011bli vyb\u00edrat mezi konzumac\u00ed \u010derstv\u00fdch potravin a obavami o to, jak jsou zpracov\u00e1ny,\u201c \u0159\u00edk\u00e1 Tianxi Yang. <\/p>\n<\/blockquote>\n

    Z\u00e1v\u011br<\/strong>
    \nKombinac\u00ed p\u0159\u00edrodn\u00edho \u0161krobu se \u017eelezem a kyselinou t\u0159\u00edslovou vytvo\u0159ili v\u011bdci levn\u00fd, vysoce \u00fa\u010dinn\u00fd n\u00e1stroj, kter\u00fd d\u011bl\u00e1 dv\u011b v\u011bci: sni\u017euje vystaven\u00ed chemik\u00e1li\u00edm a minimalizuje pl\u00fdtv\u00e1n\u00ed potravinami prodlou\u017een\u00edm trvanlivosti.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Jednou z hlavn\u00edch v\u00fdzev v glob\u00e1ln\u00edm potravinov\u00e9m \u0159et\u011bzci je k\u0159ehk\u00e1 rovnov\u00e1ha mezi bezpe\u010dnost\u00ed potravin a trvanlivost\u00ed. P\u0159esto\u017ee se spot\u0159ebitel\u016fm doporu\u010duje m\u00fdt zeleninu a ovoce, aby se odstranily bakterie a pesticidy, samotn\u00e1 voda \u010dasto nesta\u010d\u00ed k prodlou\u017een\u00ed trvanlivosti nebo k \u00fa\u010dinn\u00e9mu smyt\u00ed zbytk\u016f chemik\u00e1li\u00ed. K vy\u0159e\u0161en\u00ed tohoto probl\u00e9mu vyvinuli v\u011bdci z University of British Columbia (UBC) […]<\/p>\n","protected":false},"author":1,"featured_media":7638,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":""},"categories":[1],"tags":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/posts\/7639"}],"collection":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/comments?post=7639"}],"version-history":[{"count":0,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/posts\/7639\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/media\/7638"}],"wp:attachment":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/media?parent=7639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/categories?post=7639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/tags?post=7639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}