Anti-oxidative and UV-absorbing biohybrid film of cellulose nanofibrils and tannin extract

Panpan Li, Juho Antti Sirviö, Antti Haapala, Alexey Khakalo, Henrikki Liimatainen (Corresponding Author)

    Research output: Contribution to journalArticleScientificpeer-review

    8 Citations (Scopus)

    Abstract

    Cellulose and tannin are both abundant and biodegradable natural polymers. This study proposes a strategy to construct biohybrid films combining the characteristics of cationic cellulose nanofibrils (CCNFs) and tannin extract for film applications. Multi-functional biohybrid films with anti-oxidative and UV-adsorbing characteristics were successfully fabricated from CCNF and tannin mixtures with different mass ratios. The results indicated that pure CCNF could be endowed with multi-functionality by a small amount of introduced flavonoid-rich tannin extract. By adding 5% (w/w) of extract, CCNF-tannin film achieved good anti-oxidant and UV-shielding ability, and simultaneously obtained ca. 15% improved thermal stability and tensile strength of up to 160 ± 9 MPa. In addition, tannin extract was able to enhance the optical clarity of CCNF film with tailorable appearances. The biohybrid films essentially consisted of renewable materials, and they can potentially be exploited in sustainable applications such as biocomposites and packaging materials.

    Original languageEnglish
    Pages (from-to)208-217
    Number of pages10
    JournalFood Hydrocolloids
    Volume92
    DOIs
    Publication statusPublished - 2019
    MoE publication typeNot Eligible

    Fingerprint

    nanofibers
    Tannins
    films (materials)
    Cellulose
    tannins
    cellulose
    extracts
    biocomposites
    Cellulose films
    Natural polymers
    Flavonoids
    biodegradability
    Biodegradable polymers
    Packaging materials
    Tensile Strength
    packaging materials
    Product Packaging
    tensile strength
    thermal stability
    Oxidants

    Keywords

    • Anti-oxidative
    • Cellulose nanofibrils
    • Multi-functional
    • Sustainability
    • Tannin extract

    Cite this

    Li, Panpan ; Sirviö, Juho Antti ; Haapala, Antti ; Khakalo, Alexey ; Liimatainen, Henrikki. / Anti-oxidative and UV-absorbing biohybrid film of cellulose nanofibrils and tannin extract. In: Food Hydrocolloids. 2019 ; Vol. 92. pp. 208-217.
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    abstract = "Cellulose and tannin are both abundant and biodegradable natural polymers. This study proposes a strategy to construct biohybrid films combining the characteristics of cationic cellulose nanofibrils (CCNFs) and tannin extract for film applications. Multi-functional biohybrid films with anti-oxidative and UV-adsorbing characteristics were successfully fabricated from CCNF and tannin mixtures with different mass ratios. The results indicated that pure CCNF could be endowed with multi-functionality by a small amount of introduced flavonoid-rich tannin extract. By adding 5{\%} (w/w) of extract, CCNF-tannin film achieved good anti-oxidant and UV-shielding ability, and simultaneously obtained ca. 15{\%} improved thermal stability and tensile strength of up to 160 ± 9 MPa. In addition, tannin extract was able to enhance the optical clarity of CCNF film with tailorable appearances. The biohybrid films essentially consisted of renewable materials, and they can potentially be exploited in sustainable applications such as biocomposites and packaging materials.",
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    Anti-oxidative and UV-absorbing biohybrid film of cellulose nanofibrils and tannin extract. / Li, Panpan; Sirviö, Juho Antti; Haapala, Antti; Khakalo, Alexey; Liimatainen, Henrikki (Corresponding Author).

    In: Food Hydrocolloids, Vol. 92, 2019, p. 208-217.

    Research output: Contribution to journalArticleScientificpeer-review

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    AU - Li, Panpan

    AU - Sirviö, Juho Antti

    AU - Haapala, Antti

    AU - Khakalo, Alexey

    AU - Liimatainen, Henrikki

    PY - 2019

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    N2 - Cellulose and tannin are both abundant and biodegradable natural polymers. This study proposes a strategy to construct biohybrid films combining the characteristics of cationic cellulose nanofibrils (CCNFs) and tannin extract for film applications. Multi-functional biohybrid films with anti-oxidative and UV-adsorbing characteristics were successfully fabricated from CCNF and tannin mixtures with different mass ratios. The results indicated that pure CCNF could be endowed with multi-functionality by a small amount of introduced flavonoid-rich tannin extract. By adding 5% (w/w) of extract, CCNF-tannin film achieved good anti-oxidant and UV-shielding ability, and simultaneously obtained ca. 15% improved thermal stability and tensile strength of up to 160 ± 9 MPa. In addition, tannin extract was able to enhance the optical clarity of CCNF film with tailorable appearances. The biohybrid films essentially consisted of renewable materials, and they can potentially be exploited in sustainable applications such as biocomposites and packaging materials.

    AB - Cellulose and tannin are both abundant and biodegradable natural polymers. This study proposes a strategy to construct biohybrid films combining the characteristics of cationic cellulose nanofibrils (CCNFs) and tannin extract for film applications. Multi-functional biohybrid films with anti-oxidative and UV-adsorbing characteristics were successfully fabricated from CCNF and tannin mixtures with different mass ratios. The results indicated that pure CCNF could be endowed with multi-functionality by a small amount of introduced flavonoid-rich tannin extract. By adding 5% (w/w) of extract, CCNF-tannin film achieved good anti-oxidant and UV-shielding ability, and simultaneously obtained ca. 15% improved thermal stability and tensile strength of up to 160 ± 9 MPa. In addition, tannin extract was able to enhance the optical clarity of CCNF film with tailorable appearances. The biohybrid films essentially consisted of renewable materials, and they can potentially be exploited in sustainable applications such as biocomposites and packaging materials.

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