Extending storage life of fresh ginseng by modified atmosphere packaging

Wenzhong Hu, Ping Xu, Toshitaka Uchino

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Fresh ginseng (Panax ginseng) was packaged with LDPE and PVC films. The respiration rates of fresh ginseng were determined in modified atmosphere packaging (MAP) at 0, 10 and 20°C. The changes in chemical compositions were also measured before and after storage. The results showed that respiration rates of fresh ginseng were suppressed more effectively in MAP, especially in a poly(vinyl chloride) (PVC) package. The storage life of fresh ginseng was significantly extended with better appearance and firmness for 210 days. The decay rate was only 1.3% and 1.0% in both low density polyethylene (LDPE) and PVC film package after 210 days of storage at 0°C, respectively. The results of saponin analysis indicated that the contents of total saponin were not changed much in all treatments. Reducing sugar was increased by 2.7 to 5.3 times, while pectin decreased by 1.1 to 1.4 times after 210 days of storage at the range of 0-20°C. Total sugar content also increased during storage, especially in LDPE packages and high temperature. It was considered that MAP was very effective storage method for keeping quality better with minimal quality loss and lower decay rate at lower temperature.

Original languageEnglish
Pages (from-to)2475-2481
Number of pages7
JournalJournal of the Science of Food and Agriculture
Volume85
Issue number14
DOIs
Publication statusPublished - Nov 1 2005

Fingerprint

Panax
modified atmosphere packaging
Product Packaging
Atmosphere
shelf life
Polyethylene
Polyvinyl Chloride
polyethylene
Saponins
Respiratory Rate
saponins
films (materials)
deterioration
Vinyl Chloride
Panax ginseng
Temperature
poly(vinyl chloride)
storage quality
reducing sugars
sugar content

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Food Science
  • Agronomy and Crop Science
  • Nutrition and Dietetics

Cite this

Extending storage life of fresh ginseng by modified atmosphere packaging. / Hu, Wenzhong; Xu, Ping; Uchino, Toshitaka.

In: Journal of the Science of Food and Agriculture, Vol. 85, No. 14, 01.11.2005, p. 2475-2481.

Research output: Contribution to journalArticle

Hu, Wenzhong ; Xu, Ping ; Uchino, Toshitaka. / Extending storage life of fresh ginseng by modified atmosphere packaging. In: Journal of the Science of Food and Agriculture. 2005 ; Vol. 85, No. 14. pp. 2475-2481.
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