Effects of harvest time and low temperature storage on the texture of cabbage leaves |
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| Authors: | Mitsuru Taniwaki Masahiro Takahashi Naoki Sakurai Atsushi Takada Masayasu Nagata |
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| Institution: | aCollaborative Research Center, Hiroshima University, Higashi-Hiroshima 739-8527, Japan;bGraduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima 739-8528, Japan;cKanagawa Agricultural Technology Center, Miura, Kanagawa 238-0111, Japan;dNational Institute of Vegetable and Tea Science, Tsu, Mie 514-2392, Japan |
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| Abstract: | Leaf textures of four cabbage cultivars (T-520, Fuyu-nobori, Satsuki-ou, and Kinkei-201) harvested in winter and spring were evaluated. Acoustic vibration signals generated during penetration of four stacked cabbage leaves were measured using a novel texture measurement system. Texture was quantified using a texture index (TI). The TI of T-520 was higher than that of Fuyu-nobori and continually declined during the entire investigation period (between February and May). However, Fuyu-nobori's TI persisted after early April. This implied that Fuyu-nobori was superior to T-520 in terms of preservation of quality. Satsuki-ou showed either an equivalent or higher TI than T-520 in May. Kinkei-201 had a much lower TI than the other cultivars. TIs of T-520 and Fuyu-nobori stored at a 5 °C for 4 weeks were lower than those of samples without storage. This implied that low temperature storage did not effectively retain the texture quality of the cabbages. |
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| Keywords: | Acoustic Piezoelectric Sensor Postharvest Quality |
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