Volume 29 Issue 3
May  2012
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MA Jian-jun, ZHANG Li-bin, DU Bin, YU Feng-ming, REN Yan-jun. Mass fraction and compositional change of calcium forms in wild Prunus humilis fruits during the post-harvest storage period[J]. Journal of Zhejiang A&F University, 2012, 29(3): 401-406. doi: 10.11833/j.issn.2095-0756.2012.03.012
Citation: MA Jian-jun, ZHANG Li-bin, DU Bin, YU Feng-ming, REN Yan-jun. Mass fraction and compositional change of calcium forms in wild Prunus humilis fruits during the post-harvest storage period[J]. Journal of Zhejiang A&F University, 2012, 29(3): 401-406. doi: 10.11833/j.issn.2095-0756.2012.03.012

Mass fraction and compositional change of calcium forms in wild Prunus humilis fruits during the post-harvest storage period

doi: 10.11833/j.issn.2095-0756.2012.03.012
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  • Corresponding author: MA Jian-jun
  • Received Date: 2011-08-03
  • Rev Recd Date: 2011-10-11
  • Publish Date: 2012-06-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Mass fraction and compositional change of calcium forms in wild Prunus humilis fruits during the post-harvest storage period

doi: 10.11833/j.issn.2095-0756.2012.03.012
    Corresponding author: MA Jian-jun

Abstract: To provide basic data for studying and evaluating calcium in Prunus humilis,mass fraction and compositional changes of different calcium forms in wild P. humilis seedling types (large fruit and small fruit) and grafted types (top-grafting and low-grafting) were studied by sequential extraction with H2O,1 molL-1 NaCl,20 gkg-1 acetic acid (HAC),and 50 gkg-1 HCl during the post-harvest storage process at room temperature. Results showed that in the harvest period the percent extraction of different calcium forms was 98.2%-99.3% with 70% of the total calcium form being water-soluble calcium and calcium pectate. Calcium pectate content in large fruits was significantly higher (P <0.01) than in small fruits. Also,water-soluble calcium,calcium phos-phate,and calcium oxalate in small fruits were significantly higher than in large fruits (P<0.01) with the total calcium content in small fruits significantly higher than in large fruits (P<0.05). Compared to wild seedling types,the extraction ratio of water-soluble calcium for grafted types increased and the extraction ratio of calcium pectate decreased. After post-harvest storage,the composition ratio of water-soluble calcium increased,whereas the ratio of calcium pectate and calcium oxalate decreased;also phosphate calcium and ratios of other forms of calcium did not change.[Ch,4 fig. 1 tab. 17 ref.]

MA Jian-jun, ZHANG Li-bin, DU Bin, YU Feng-ming, REN Yan-jun. Mass fraction and compositional change of calcium forms in wild Prunus humilis fruits during the post-harvest storage period[J]. Journal of Zhejiang A&F University, 2012, 29(3): 401-406. doi: 10.11833/j.issn.2095-0756.2012.03.012
Citation: MA Jian-jun, ZHANG Li-bin, DU Bin, YU Feng-ming, REN Yan-jun. Mass fraction and compositional change of calcium forms in wild Prunus humilis fruits during the post-harvest storage period[J]. Journal of Zhejiang A&F University, 2012, 29(3): 401-406. doi: 10.11833/j.issn.2095-0756.2012.03.012

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