Properties of antimicrobial plastics containing traditional food preservatives

Jari Vartiainen (Corresponding Author), Eija Skyttä, Jouni Enqvist, Raija Ahvenainen

    Research output: Contribution to journalArticleScientificpeer-review

    34 Citations (Scopus)

    Abstract

    Traditional food preservatives, sodium benzoate, sodium nitrite, potassium sorbate and sodium lactate, were incorporated into synthetic plastics, low‐density polyethylene (LDPE), poly(maleic acid‐co‐olefine), polystyrene (PS) and polyethylene terephthalate (PET), aimed at producing antimicrobial packaging material for foodstuffs. The study was undertaken on plaques (thickness 2 mm) and films (thickness 70–120 µm), whose antimicrobial test results clearly differed. Plaques containing 15% sodium nitrite inhibited both Aspergillus niger and Bacillus subtilis, whereas the same concentration of sodium benzoate and potassium sorbate had activity only against B. subtilis. Sodium lactate‐containing samples did not have any antimicrobial activity and none of the samples inhibited Escherichia coli. Antimicrobial substances added into PS and PET produced the strongest activities; however, due to the brittle structure of these materials, they were not tested further. Thus, more thorough tests for antimicrobial activity, migration and oxygen and water vapour permeability were carried out using LDPE films with 2.5–15% sodium benzoate and sodium nitrite. The effects of both substances on permeability properties were negligible. Although the total migration into food simulants measured from the films in many cases exceeded the limit value of 10 mg/dm2, no antimicrobial activity was observed.
    Original languageEnglish
    Pages (from-to)223-229
    Number of pages7
    JournalPackaging Technology and Science
    Volume16
    Issue number6
    DOIs
    Publication statusPublished - 2003
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    Food preservatives
    Food Preservatives
    Sodium Benzoate
    Sodium Nitrite
    Sorbic Acid
    Polyethylene Terephthalates
    Polystyrenes
    Sodium
    Polyethylene
    Plastics
    Sodium Lactate
    Potassium sorbate
    Packaging materials
    Aspergillus
    Steam
    Bacilli
    Escherichia coli
    Film thickness
    Polyethylene terephthalates
    Oxygen

    Keywords

    • plastics
    • antimicrobial properties
    • food packaging

    Cite this

    Vartiainen, Jari ; Skyttä, Eija ; Enqvist, Jouni ; Ahvenainen, Raija. / Properties of antimicrobial plastics containing traditional food preservatives. In: Packaging Technology and Science. 2003 ; Vol. 16, No. 6. pp. 223-229.
    @article{0b86c3c4f145422cb06229a981780689,
    title = "Properties of antimicrobial plastics containing traditional food preservatives",
    abstract = "Traditional food preservatives, sodium benzoate, sodium nitrite, potassium sorbate and sodium lactate, were incorporated into synthetic plastics, low‐density polyethylene (LDPE), poly(maleic acid‐co‐olefine), polystyrene (PS) and polyethylene terephthalate (PET), aimed at producing antimicrobial packaging material for foodstuffs. The study was undertaken on plaques (thickness 2 mm) and films (thickness 70–120 µm), whose antimicrobial test results clearly differed. Plaques containing 15{\%} sodium nitrite inhibited both Aspergillus niger and Bacillus subtilis, whereas the same concentration of sodium benzoate and potassium sorbate had activity only against B. subtilis. Sodium lactate‐containing samples did not have any antimicrobial activity and none of the samples inhibited Escherichia coli. Antimicrobial substances added into PS and PET produced the strongest activities; however, due to the brittle structure of these materials, they were not tested further. Thus, more thorough tests for antimicrobial activity, migration and oxygen and water vapour permeability were carried out using LDPE films with 2.5–15{\%} sodium benzoate and sodium nitrite. The effects of both substances on permeability properties were negligible. Although the total migration into food simulants measured from the films in many cases exceeded the limit value of 10 mg/dm2, no antimicrobial activity was observed.",
    keywords = "plastics, antimicrobial properties, food packaging",
    author = "Jari Vartiainen and Eija Skytt{\"a} and Jouni Enqvist and Raija Ahvenainen",
    year = "2003",
    doi = "10.1002/pts.629",
    language = "English",
    volume = "16",
    pages = "223--229",
    journal = "Packaging Technology and Science",
    issn = "0894-3214",
    publisher = "Wiley",
    number = "6",

    }

    Vartiainen, J, Skyttä, E, Enqvist, J & Ahvenainen, R 2003, 'Properties of antimicrobial plastics containing traditional food preservatives', Packaging Technology and Science, vol. 16, no. 6, pp. 223-229. https://doi.org/10.1002/pts.629

    Properties of antimicrobial plastics containing traditional food preservatives. / Vartiainen, Jari (Corresponding Author); Skyttä, Eija; Enqvist, Jouni; Ahvenainen, Raija.

    In: Packaging Technology and Science, Vol. 16, No. 6, 2003, p. 223-229.

    Research output: Contribution to journalArticleScientificpeer-review

    TY - JOUR

    T1 - Properties of antimicrobial plastics containing traditional food preservatives

    AU - Vartiainen, Jari

    AU - Skyttä, Eija

    AU - Enqvist, Jouni

    AU - Ahvenainen, Raija

    PY - 2003

    Y1 - 2003

    N2 - Traditional food preservatives, sodium benzoate, sodium nitrite, potassium sorbate and sodium lactate, were incorporated into synthetic plastics, low‐density polyethylene (LDPE), poly(maleic acid‐co‐olefine), polystyrene (PS) and polyethylene terephthalate (PET), aimed at producing antimicrobial packaging material for foodstuffs. The study was undertaken on plaques (thickness 2 mm) and films (thickness 70–120 µm), whose antimicrobial test results clearly differed. Plaques containing 15% sodium nitrite inhibited both Aspergillus niger and Bacillus subtilis, whereas the same concentration of sodium benzoate and potassium sorbate had activity only against B. subtilis. Sodium lactate‐containing samples did not have any antimicrobial activity and none of the samples inhibited Escherichia coli. Antimicrobial substances added into PS and PET produced the strongest activities; however, due to the brittle structure of these materials, they were not tested further. Thus, more thorough tests for antimicrobial activity, migration and oxygen and water vapour permeability were carried out using LDPE films with 2.5–15% sodium benzoate and sodium nitrite. The effects of both substances on permeability properties were negligible. Although the total migration into food simulants measured from the films in many cases exceeded the limit value of 10 mg/dm2, no antimicrobial activity was observed.

    AB - Traditional food preservatives, sodium benzoate, sodium nitrite, potassium sorbate and sodium lactate, were incorporated into synthetic plastics, low‐density polyethylene (LDPE), poly(maleic acid‐co‐olefine), polystyrene (PS) and polyethylene terephthalate (PET), aimed at producing antimicrobial packaging material for foodstuffs. The study was undertaken on plaques (thickness 2 mm) and films (thickness 70–120 µm), whose antimicrobial test results clearly differed. Plaques containing 15% sodium nitrite inhibited both Aspergillus niger and Bacillus subtilis, whereas the same concentration of sodium benzoate and potassium sorbate had activity only against B. subtilis. Sodium lactate‐containing samples did not have any antimicrobial activity and none of the samples inhibited Escherichia coli. Antimicrobial substances added into PS and PET produced the strongest activities; however, due to the brittle structure of these materials, they were not tested further. Thus, more thorough tests for antimicrobial activity, migration and oxygen and water vapour permeability were carried out using LDPE films with 2.5–15% sodium benzoate and sodium nitrite. The effects of both substances on permeability properties were negligible. Although the total migration into food simulants measured from the films in many cases exceeded the limit value of 10 mg/dm2, no antimicrobial activity was observed.

    KW - plastics

    KW - antimicrobial properties

    KW - food packaging

    U2 - 10.1002/pts.629

    DO - 10.1002/pts.629

    M3 - Article

    VL - 16

    SP - 223

    EP - 229

    JO - Packaging Technology and Science

    JF - Packaging Technology and Science

    SN - 0894-3214

    IS - 6

    ER -