Control of Fruit Softening during Marine Transport Bound for Southeast Asia in ‘Nakatani-Wase’ Persimmon

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  • Furuta Takahiro
    Laboratory of Persimmon and Peach, Fruit Tree Experiment Station, Wakayama Pref. Graduate School of Environmental and Life Science, Okayama University
  • Wanaka Manabu
    Laboratory of Persimmon and Peach, Fruit Tree Experiment Station, Wakayama Pref.
  • Kumamoto Shohei
    Laboratory of Persimmon and Peach, Fruit Tree Experiment Station, Wakayama Pref.
  • Ikenaga Hirokazu
    Mitsui Chemicals, Inc., Food&Packaging Business Sector
  • Nishime Reiko
    Mitsui Chemicals Singapore R&D Centre, Pte. Ltd.
  • Kawai Takashi
    Graduate School of Environmental and Life Science, Okayama University
  • Fukamatsu Yosuke
    Graduate School of Environmental and Life Science, Okayama University
  • Fukuda Fumio
    Graduate School of Environmental and Life Science, Okayama University
  • Kubo Yasutaka
    Graduate School of Environmental and Life Science, Okayama University
  • Nakano Ryohei
    Experimental Farm of Graduate School of Agriculture, Kyoto University

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Other Title
  • 海上輸送によるカキ ‘中谷早生’ の東南アジア輸出時の軟化抑制技術の確立
  • カイジョウ ユソウ ニ ヨル カキ'ナカタニ ワセ'ノ トウナン アジア ユシュツジ ノ ナンカ ヨクセイ ギジュツ ノ カクリツ

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Abstract

<p>The combined effect of 1-methylcyclopropene (1-MCP) application on CO2 exposure for astringency removal and packaging techniques on suppressing fruit softening during marine transport bound for southeast Asia was tested in early-maturing persimmon, ‘Nakatani-Wase’ fruit. In tests while simulating marine transport, 1-MCP application in combination with all packaging techniques tested in this experiment effectively suppressed the softening of fruit. Under conditions simulating the shelf-life after arrival, the combination of 1-MCP application and modified atmosphere (MA) packaging at both individual fruit and carton box levels suppressed fruit softening for 7 days at room temperature and for more than 10 days at 5°C. On the other hand, fruit packaged in normal carton boxes or boxes coated with water-impervious material softened immediately after arrival at room temperature and after 5 days at 5°C. Practical transport tests involving marine transport bound for Singapore confirmed that the combination of 1-MCP application and MA packaging in carton boxes led to the complete absence of softened fruit upon arrival in Singapore and reduced it to just 13.3% 6 days after transfer to room temperature. These results indicate that the combination of 1-MCP application, MA packaging, and a reefer container for temperature control is a practical quality control technique for marine transport of ‘Nakatani-Wase’ fruit bound for southeast Asia.</p>

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