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ACTA HORTICULTURAE SINICA ›› 2008, Vol. 35 ›› Issue (1): 127-130.

• 研究简报 • Previous Articles     Next Articles

Dynamic Changes of Inositol, Polysaccharide and Reductive Sugars in Pumpkin During Fruit Development

YANG Hong-juan1, SONG Rong-hao2, MA Kun1, GU Wei-hong1*, and TANG Qing-jiu3
  

  1. (1Horticultural Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai Key Lab of Protected Horticultural Technology; Shanghai 201106,China; 2Plant Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106,China;3Mushroom Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106,China)
  • Received:2007-07-30 Revised:2007-12-03 Online:2008-01-25 Published:2008-01-25

Abstract: Dynamic changes of inositol, polysaccharide, and reductive sugar during the fruit development in four pumpkin varieties 'GD-1', 'Abis’(Cucurbita maxima), 'GD-15', and‘Huanglang’ (Cucurbita moschata) were investigated.The results showed that inositol, polysaccharide, and reductive sugar increased and then decreased during the fruit development. Inositol in Cucurbita maxima and Cucurbita moschata reached its peak at the day 45 and 35 after pollination, respectively. Polysaccharide in Cucurbita maxima and Cucurbita moschata reached its peak at the day 55 and 45 after pollination, respectively. Reductive sugar in Cucurbita maxima and Cucurbita moschata reached its peak at the day 25 and 35 after pollination. However, the reductive sugar started to increase at the day 10 after harvesting, and showed a pattern of increase, decrease, and increase. This study also showed variations for inositol, polysaccharide, and reductive sugar among the varieties tested.

Key words: pumpkin, fruit development, inositol, polysaccharide, reductive sugar, nutrient composition

CLC Number: