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Zdjęcie profilowe: dr hab. inż. Hanna Staroszczyk

dr hab. inż. Hanna Staroszczyk

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wszystkich: 59

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Katalog Publikacji

Rok 2011
  • Functional properties of edible films for food applications - a review
    Publikacja

    - Rok 2011

    Application of natural polymers to forming edible films for food applications has been reviewed. Due to the hydrophilic nature of proteins and polysaccharides, films prepared from these polymers are too susceptible to moisture. Modification of them with critically selected a suitable compounds can result in their improved functional properties and making them useful for food packaging.

  • Starch-clay nanocomposite films
    Publikacja

    - Acta Biochimica Polonica - Rok 2011

    Starch is a natural polymer which, due to its renewability, biodegrability, availability and a relatively low cost, has a high potential for applications in biodegradable materials. However, because of its hydrophilic nature, the number of commercially available starch-based products is still limited. Recently, starch-based nanocomposites with the addition of clay minerals as nanofillers have given rise to large-scale improvements...

  • Synthesis and characterisation of starch cuprate
    Publikacja

    - FOOD CHEMISTRY - Rok 2011

    The cupration of granular potato starch with ammonium tetrachlorocuprate(II) was performed by a 20 min lasting microwave-assisted process and by 40 min convectional heating. In both cases the degree of esterification (DE) did not exceed 0.0064. A higher dose of cuprate had a positive effect on DE, regardless of whether the microwave irradiation or the convectional heating was applied, and on the thermal stability of the starch...

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Rok 2010
  • Biodegradowalne i jadalne opakowania do żywności z polimerów naturalnych
    Publikacja

    - OPAKOWANIE - Rok 2010

    Artykuł jest przeglądem literatury, dotyczącym wykorzystania polimerów naturalnych do wytwarzania jadalnych powłok powierzchniowych lub opakowań do żywności. Omówione zostały właściwości folii z różnych białek i polisacharydów oraz sposoby poprawy ich właściwości użytkowych poprzez modyfikacje fizyczne, chemiczne i enzymatyczne. Przedstawiono również możliwości włączania w matryce polimerową nanonapełniaczy i scharakteryzowano...

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  • Functional properties of packaging materials from chemical modified stach.
    Publikacja

    - Rok 2010

    This work is focused on study of the mechanical and barrier properties of films obtained from potato starch modified with sodium tetrahydroxozincate generated in situ. The results show that the chemical modification of starch improved the water vapor permeability by about 25%, unfortunately decreased the elongation at break by 60%, when compared with unmodified starch films. However, placitization of films with glycerol at a concentration...

  • Microwave-assisted preparation of potato starch silicated with silicic acid
    Publikacja

    - CARBOHYDRATE POLYMERS - Rok 2010

    Application of microwave irradiation for the silication of granular potato starch with silicic acid, and the properties of silicated starch were investigated. Potato starch was esterified on 20 min microwave irradiation of starch with silicic acid, applying the power of 450 or 800Wand, for comparison, on 120 min convectional heating of the reagent blend at 100 ◦C. The degree of esterification and the reaction efficiency did not...

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  • Microwave-assisted synthesis of zinc derivatives of potato starch
    Publikacja

    - CARBOHYDRATE POLYMERS - Rok 2010

    Zincatated potato starch was prepared in a solid-state, microwave-assisted reaction using generated in situ sodium tetrahydroxozincate [Na2Zn(OH)4]. For comparison, zincatation of starch was also carriedout on convectional heating. Depending on the irradiation conditions, the products of either mono- or crosslinking esterification were formed. Higher power applied at shorter exposition offered products ofmonoesterification, and...

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Rok 2009
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