INVESTIGATION OF SUGAR AND OXALIC ACID CONCENTRATIONS IN BAMBOO SHOOTS DURING STORAGE IN MODIFIED ATMOSPHERE PACKAGING
Changes in firmness, and sugar and oxalic acid concentrations of bamboo shoots during storage at 5 or 25°C, in air or MAP were studied. Sugar concentrations were different in sections along the length of bamboo shoot (apical, middle, and basal). In all samples, sucrose content was highest in the apical section, whereas glucose and fructose concentrations differed much less among the sections. During storage, the accumulation of sugar was significantly observed in the contents of sucrose and total sugar of MAP treatment stored at 25°C. Moreover, there was no significant change of oxalic acid content in all tissues of this treatment. All these results suggested that the characteristics of sugar accumulation along the length of bamboo shoot, depending on their specific tissue sections. Additionally, the application of MAP influenced the changes of postharvest cellular metabolism of bamboo shoot, since it significantly induced the accumulation of sugars and maintained content of oxalic acid during storage. Nevertheless, MAP did not inhibit the increase in bamboo shoot firmness.
Thammawong, M., Nei, D., Roy, P., Nakamura , N., Shiina, T., Inoue, Y., Hamachi, H. and Nonaka, S. (2012). INVESTIGATION OF SUGAR AND OXALIC ACID CONCENTRATIONS IN BAMBOO SHOOTS DURING STORAGE IN MODIFIED ATMOSPHERE PACKAGING . Acta Hortic. 934, 227-234
bamboo shoot, modified atmosphere packaging (MAP), oxalic acid, Phyllostachys pubescens Mazel, storage, sugar content