{"id":900,"date":"2025-12-11T13:27:32","date_gmt":"2025-12-11T13:27:32","guid":{"rendered":"https:\/\/www.materialstests.com\/?p=900"},"modified":"2025-12-11T13:27:34","modified_gmt":"2025-12-11T13:27:34","slug":"the-importance-of-bread-shelf-life-testing-for-freshness-and-quality-control","status":"publish","type":"post","link":"https:\/\/www.materialstests.com\/lv\/news\/how-to-measure-bread-shelf-life-accurate-testing-for-freshness-and-firmness.html","title":{"rendered":"Maizes der\u012bguma termi\u0146a test\u0113\u0161anas noz\u012bme svaiguma un kvalit\u0101tes kontrolei"},"content":{"rendered":"<h4 class=\"wp-block-heading\">Ievads: Izpratne par maizes der\u012bguma termi\u0146u<\/h4>\n\n\n\n<p>Maizes der\u012bguma termi\u0146\u0161 ir b\u016btisks faktors gan pat\u0113r\u0113t\u0101jiem, gan p\u0101rtikas ra\u017eot\u0101jiem. Svaiga maizes kukul\u012b\u0161a maize ir m\u012bksta, smar\u017e\u012bga un viegli sagrie\u017eama, ta\u010du laika gait\u0101 t\u0101 zaud\u0113 \u0161\u012bs v\u0113lam\u0101s \u012bpa\u0161\u012bbas un noveco. Lai nodro\u0161in\u0101tu maizes kvalit\u0101ti un pagarin\u0101tu t\u0101s der\u012bguma termi\u0146u, ir svar\u012bgi prec\u012bzi izm\u0113r\u012bt maizes svaigumu. \u0160aj\u0101 rakst\u0101 apl\u016bkots, k\u0101&nbsp;<strong>maizes svaiguma p\u0101rbaude<\/strong>&nbsp;var veikt, izmantojot uzlabotu&nbsp;<strong>maizes tekst\u016bras analizators<\/strong>, kas \u013cauj ra\u017eot\u0101jiem m\u0113r\u012bt un kontrol\u0113t maizes ciet\u012bbu, t\u0101d\u0113j\u0101di nodro\u0161inot nemain\u012bgu kvalit\u0101ti katr\u0101 partij\u0101.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Tekst\u016bras anal\u012bzes noz\u012bme maizes der\u012bguma termi\u0146a noteik\u0161an\u0101<\/h4>\n\n\n\n<p>Lai gan subjekt\u012bvais sensorais nov\u0113rt\u0113jums (piem\u0113ram, \u201cVai maize ir labi j\u016btama rok\u0101 vai mut\u0113?\u201d) ir izplat\u012bta maizes svaiguma noteik\u0161anas metode, t\u0101 ne vienm\u0113r ir uzticama vai atk\u0101rtojama. Objekt\u012bva test\u0113\u0161ana, izmantojot&nbsp;<strong>maizes tekst\u016bras analizators<\/strong>&nbsp;nodro\u0161ina konsekvent\u0101ku un prec\u012bz\u0101ku nov\u0113rt\u0113jumu. \u0160\u012b tehnolo\u0123ija \u013cauj noteikt maizes ciet\u012bbu un stingr\u012bbu, kas ir tie\u0161i saist\u012bta ar t\u0101s svaiguma uztveri un pat\u0113r\u0113t\u0101ju pie\u0146emam\u012bbu.<\/p>\n\n\n\n<p>A&nbsp;<strong>Mecmesin tekst\u016bras analizators<\/strong>, piem\u0113ram, var izm\u0113r\u012bt sp\u0113ku, kas nepiecie\u0161ams, lai saspiestu maizes paraugu, t\u0101d\u0113j\u0101di ieg\u016bstot v\u0113rt\u012bgus datus, kurus var izmantot, lai sal\u012bdzin\u0101tu svaigu un novecoju\u0161u maizi. \u0160\u012b metode ir atk\u0101rtojama, un to var ieprogramm\u0113t, lai konsekventi p\u0101rbaud\u012btu maizi, sniedzot skaidru nor\u0101di par maizes ciet\u012bbu un visp\u0101r\u0113jo maizes kvalit\u0101ti.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">K\u0101 noteikt maizes svaigumu, izmantojot tekst\u016bras analizatoru<\/h4>\n\n\n\n<p><strong>Metodes p\u0101rskats<\/strong><\/p>\n\n\n\n<p>Lai veiktu prec\u012bzu maizes der\u012bguma termi\u0146a p\u0101rbaudi, ir nepiecie\u0161ams&nbsp;<strong>Mecmesin TMS-Pro tekst\u016bras analizators<\/strong>&nbsp;bie\u017ei tiek izmantots. Apr\u012bkota ar 25 N inteli\u0123ento slodzes elementu un AACC cilindra zondi, \u0161\u012b ier\u012bce saspie\u017e maizes paraugus, lai noteiktu to ciet\u012bbu. Tipisk\u0101 test\u0101 paraugus \u0146em no viena un t\u0101 pa\u0161a maizes klaipa. Puse no tiem tiek atst\u0101ta uz nakti, lai iz\u017e\u016btu un novecotu, t\u0101d\u0113j\u0101di nodro\u0161inot skaidru at\u0161\u0137ir\u012bbu starp svaigas un novecoju\u0161as maizes tekst\u016bru.<\/p>\n\n\n\n<p>Testa laik\u0101 tekst\u016bras analizators p\u0101rvieto zondi 5 mm dzi\u013cum\u0101 maiz\u0113 ar \u0101trumu 100 mm\/min. .&nbsp;<strong>TL-Pro programmat\u016bra<\/strong>&nbsp;p\u0113c tam autom\u0101tiski apr\u0113\u0137ina produkta stingr\u012bbu un saspie\u0161anai nepiecie\u0161amo ener\u0123iju, sniedzot rezult\u0101tu grafisku att\u0113lojumu. \u0160os datus var izmantot, lai sal\u012bdzin\u0101tu svaigas maizes stingr\u012bbu ar novecoju\u0161u maizi, sniedzot ieskatu par t\u0101s der\u012bguma termi\u0146u.<\/p>\n\n\n\n<p><strong>Grafiskie rezult\u0101ti: Maizes ciet\u012bbas datu interpret\u0101cija<\/strong><\/p>\n\n\n\n<p>Testa rezult\u0101tu grafiskais att\u0113lojums skaidri par\u0101da at\u0161\u0137ir\u012bbu starp svaigas un novecoju\u0161as maizes paraugu ciet\u012bbu. Svaiga maize parasti ir m\u012bkst\u0101ka, un t\u0101s saspie\u0161anai nepiecie\u0161ams maz\u0101ks sp\u0113ks, savuk\u0101rt novecojusi maize ir ciet\u0101ka un prasa liel\u0101ku sp\u0113ku. \u0160ie dati ir nenov\u0113rt\u0113jami p\u0101rtikas produktu ra\u017eot\u0101jiem, jo tie kvantitat\u012bvi nosaka svaiguma pak\u0101pi un \u013cauj nov\u0113rt\u0113t, k\u0101 da\u017e\u0101di apst\u0101k\u013ci ietekm\u0113 maizes tekst\u016bru.<\/p>\n\n\n\n<p>\u0160o testu rezult\u0101ti sniedz ar\u012b statistisku ieskatu, tostarp vid\u0113jo stingr\u012bbu, standartnovirzi un vari\u0101ciju koeficientu (CV), kas pal\u012bdz noteikt vair\u0101ku paraugu konsistenci. Piem\u0113ram, CV v\u0113rt\u012bba parasti ir zem\u0101ka par 10%, kas nor\u0101da uz uzticamu test\u0113\u0161anas metodi maizes der\u012bguma termi\u0146a noteik\u0161anai.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Maizes der\u012bguma termi\u0146a m\u0113r\u012b\u0161anas noz\u012bme<\/h4>\n\n\n\n<p>Izmantojot&nbsp;<strong>maizes tekst\u016bras analizators<\/strong>, ra\u017eot\u0101ji var nov\u0113rt\u0113t da\u017e\u0101du faktoru, piem\u0113ram, iepakojuma, uzglab\u0101\u0161anas apst\u0101k\u013cu un maizes sast\u0101va ietekmi uz t\u0101s der\u012bguma termi\u0146u. \u0160\u012b metode \u013cauj veikt objekt\u012bvus m\u0113r\u012bjumus at\u0161\u0137ir\u012bb\u0101 no tradicion\u0101lajiem sensorajiem nov\u0113rt\u0113jumiem, kas ir subjekt\u012bvi un bie\u017ei vien pretrun\u012bgi.<\/p>\n\n\n\n<p>Piem\u0113ram, veicot tekst\u016bras anal\u012bzi, var nov\u0113rot b\u016btisku at\u0161\u0137ir\u012bbu starp svaigu un novecoju\u0161u maizi: novecoju\u0161ais produkts var b\u016bt gandr\u012bz divreiz ciet\u0101ks nek\u0101 svaigs. Ja maizes ciet\u012bbas pak\u0101pe ir zem\u0101ka, ciet\u012bbas at\u0161\u0137ir\u012bba nav tik izteikta, bet at\u0161\u0137ir\u012bba joproj\u0101m ir j\u016btama.<\/p>\n\n\n\n<p>Izpratne par \u0161\u012bm maizes tekst\u016bras at\u0161\u0137ir\u012bb\u0101m pal\u012bdz p\u0101rtikas p\u0101rstr\u0101d\u0101t\u0101jiem kontrol\u0113t faktorus, kas veicina maizes konsistences sabiez\u0113\u0161anu, un galu gal\u0101 uzlabot produktu der\u012bguma termi\u0146u. Turkl\u0101t tekst\u016bras datu grafiskais att\u0113lojums nodro\u0161ina skaidru vizu\u0101lu sal\u012bdzin\u0101jumu starp da\u017e\u0101d\u0101m recept\u016br\u0101m, pal\u012bdzot ra\u017eot\u0101jiem preciz\u0113t savas receptes, lai nodro\u0161in\u0101tu nemain\u012bgu kvalit\u0101ti.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Secin\u0101jums: Maizes kvalit\u0101tes konsekvences nodro\u0161in\u0101\u0161ana<\/h4>\n\n\n\n<p>Izmantojot&nbsp;<strong>maizes tekst\u016bras analizators<\/strong>&nbsp;ir v\u0113rt\u012bgs instruments maizes der\u012bguma un svaiguma m\u0113r\u012b\u0161anai. Izmantojot \u0161o objekt\u012bvu un atk\u0101rtojamu test\u0113\u0161anas metodi, p\u0101rtikas ra\u017eot\u0101ji var izstr\u0101d\u0101t lab\u0101ku iepakojumu, uzglab\u0101\u0161anas pa\u0146\u0113mienus un formul\u0113jumus, kas pagarina maizes svaigumu. Prec\u012bzi izm\u0113rot maizes ciet\u012bbu, ra\u017eot\u0101ji var nodro\u0161in\u0101t, ka katrs maizes klaips atbilst v\u0113lamajiem tekst\u016bras standartiem, t\u0101d\u0113j\u0101di uzlabojot visp\u0101r\u0113jo pat\u0113r\u0113t\u0101ju pieredzi un samazinot novecoju\u0161u produktu atkritumu daudzumu.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">Bie\u017e\u0101k uzdoto jaut\u0101jumu sada\u013ca<\/h3>\n\n\n\n<p><strong>1. K\u0101 izm\u0113r\u012bt maizes svaigumu?<\/strong><br>Maizes svaiguma m\u0113r\u012b\u0161anai var izmantot tekst\u016bras analizatoru, kas nosaka maizes stingr\u012bbu un t\u0101s saspie\u0161anai nepiecie\u0161amo ener\u0123iju. Tas \u013cauj objekt\u012bvi nov\u0113rt\u0113t maizes svaigumu un ciet\u012bbu.<\/p>\n\n\n\n<p><strong>2. K\u0101dam nol\u016bkam maizes test\u0113\u0161an\u0101 izmanto tekst\u016bras analizatoru?<\/strong><br>Ar tekst\u016bras analizatoru m\u0113ra maizes stingr\u012bbu, ar sp\u0113ku saspie\u017eot paraugu, t\u0101d\u0113j\u0101di ieg\u016bstot datus, kas pal\u012bdz noteikt maizes svaigumu un der\u012bguma termi\u0146u.<\/p>\n\n\n\n<p><strong>3. K\u0101 tekst\u016bras anal\u012bze uzlabo maizes kvalit\u0101tes kontroli?<\/strong><br>Tekst\u016bras anal\u012bze nodro\u0161ina atk\u0101rtojamus un prec\u012bzus maizes ciet\u012bbas m\u0113r\u012bjumus, pal\u012bdzot ra\u017eot\u0101jiem kontrol\u0113t main\u012bgos lielumus, piem\u0113ram, uzglab\u0101\u0161anas apst\u0101k\u013cus un sast\u0101vu, lai pagarin\u0101tu produktu der\u012bguma termi\u0146u.<\/p>\n\n\n\n<p><strong>4. K\u0101da noz\u012bme ir maizes ciet\u012bbas m\u0113r\u012b\u0161anai?<\/strong><br>Maizes ciet\u012bbas m\u0113r\u012b\u0161ana pal\u012bdz noteikt svaiguma un ciet\u012bbas pak\u0101pi, \u013caujot ra\u017eot\u0101jiem izstr\u0101d\u0101t produktus ar ilg\u0101ku der\u012bguma termi\u0146u un nemain\u012bgu kvalit\u0101ti.<\/p>\n\n\n\n<p><strong>5. Vai ar tekst\u016bras anal\u012bzi var noteikt maizes tekst\u016bras smalkas izmai\u0146as?<\/strong><br>J\u0101, ar tekst\u016bras anal\u012bzes pal\u012bdz\u012bbu var noteikt pat nelielas maizes tekst\u016bras izmai\u0146as, t\u0101d\u0113j\u0101di ieg\u016bstot v\u0113rt\u012bgus datus, lai uzlabotu produktu kvalit\u0101ti un konsekvenci da\u017e\u0101d\u0101s partij\u0101s.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ievads: Maizes der\u012bguma termi\u0146a izpratne Maizes der\u012bguma termi\u0146\u0161 ir b\u016btisks faktors gan pat\u0113r\u0113t\u0101jiem, gan p\u0101rtikas ra\u017eot\u0101jiem. Svaiga maizes kukul\u012b\u0161a maize ir m\u012bksta, smar\u017e\u012bga un viegli sagrie\u017eama, bet ar laiku t\u0101 zaud\u0113 \u0161\u012bs v\u0113lam\u0101s \u012bpa\u0161\u012bbas un noveco. Lai nodro\u0161in\u0101tu maizes kvalit\u0101ti un pagarin\u0101tu t\u0101s der\u012bguma termi\u0146u, ir svar\u012bgi, lai maize b\u016btu kvalitat\u012bva un [...]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-900","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/posts\/900","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/comments?post=900"}],"version-history":[{"count":0,"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/posts\/900\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/media?parent=900"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/categories?post=900"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/tags?post=900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}