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Effect of Packaging Materials and Storage on Major Volatile Compounds in Three Australian Native Herbs

Chaliha, Mridusmita and Cusack, Andrew and Currie, Margaret and Sultanbawa, Yasmina and Smyth, Heather (2013) Effect of Packaging Materials and Storage on Major Volatile Compounds in Three Australian Native Herbs. Journal of Agricultural and Food Chemistry, 61 (24). pp. 5738-5745. ISSN 0021-8561

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Article Link(s): http://dx.doi.org/10.1021/jf400845t

Abstract

Lemon myrtle, anise myrtle, and Tasmanian pepper leaf are commercial Australian native herbs with a high volatile or essential oil content. Packaging of the herbs in high- or low-density polyethylene (HDPE and LDPE) has proven to be ineffective in preventing a significant loss of volatile components on storage. This study investigates and compares the effectiveness of alternate high-barrier property packaging materials, namely, polyvinylidene chloride coated polyethylene terephthalate/casted polypropylene (PVDC coated PET/CPP) and polyethylene terephthalate/polyethylene terephthalate/aluminum foil/linear low-density polyethylene (PET/PET/Foil/LLDPE), in prevention of volatile compound loss from the three native herbs stored at ambient temperature for 6 months. Concentrations of major volatiles were monitored using gas chromatography?mass spectrometry (GC-MS) techniques. After 6 months of storage, the greatest loss of volatiles from lemon myrtle was observed in traditional LDPE packaging (87% loss) followed by storage in PVDC coated PET/CPP (58% loss) and PET/PET/Foil/LLDPE (loss of 23%). The volatile loss from anise myrtle and Tasmanian pepper leaf stored in PVDC coated PET/CPP and PET/PET/Foil/LLDPE packaging was <30%. This study clearly indicates the importance of selecting the correct packaging material to retain the quality of herbs with high volatile content.

Item Type:Article
Business groups:Crop and Food Science
Subjects:Plant culture > Food crops
Plant culture > Harvesting, curing, storage
Deposited On:22 Oct 2013 02:58
Last Modified:22 Oct 2013 03:07

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