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《Journal of Anhui Agricultural Sciences》 2008-31
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Effect of Different Growth Stage and Collection Interval Time on the Nutrition Value of Typha latifolia

LI Jian-jian et al (College of Life Science and Technology,Honghe University,Mengzi,Yunnan 661100)  
[Objective] The reference basis for the yield and nutrition value of Typha latifolia was provided through the research on the reasonable harvesting time.[Method] The contents of moisture,starch,protein,organic acid and vitamin C of Typha latifolia rhizome in different growth stage and collecting interval time were analyzed.[Results]The results indicated that the moisture content in fresh and tender rhizome reached more than 90%,which showed the descending trend with growth period extension.The rhizome had maximal starch content(amount to 4.98%)at 21-25 leaves stage,and maximal contents of protein and vitamin C at 16-20 leaves stage,reaching to 0.455% and 0.186% separately.While the content of organic acid in rhizome was relatively little,less than 0.030%,which was almost same at different growth stages.Under the interval collection of 10 days,the contents of protein,organic acid and vitamin C were maximum,and reach to 0.455%,0.020 and 0.185 respectively.And starch content was increased with the interval time-prolong of its collection.[Conclusion] The most proper collection stage and interval time should be the time that rhizome was growing with 16-20 leaves in each interval collection of 10 days,as the rhizome collected in this time had higher nutrition value.
【Fund】: 红河学院博硕项目(XSS06019)资助
【CateGory Index】: S645.9
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