耶路撒冷洋蓟(Helianthus tuberosus L.)块茎在5℃冰箱中不同存放时间的菊粉含量

R. Sennoi, R. Puttha
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摘要

耶路撒冷洋蓟是一种多年生作物,但它作为一年生作物种植,因为它含有菊粉的块茎。影响菊粉含量的因素多种多样,其中贮存时间是影响菊粉含量的重要因素之一。因此,本研究考察了不同贮藏时间对菊芋菊粉含量的影响。选取4个菊芋品种作为因子A, 6个5℃贮藏期作为因子b。采用4×6因子的24个处理组合,采用4个重复的完全随机设计。收获后,将块茎清洗干净,在5℃下保存5个月。在贮藏后0、1、2、3、4、5个月连续测定菊粉含量。不同贮藏期和品种菊粉含量差异极显著(P<0.01)。贮藏块茎菊粉含量为35.9% ~ 43.7%,鲜采块茎菊粉含量为47.8%。菊粉含量在贮藏2个月后最低。其中,ja89菊粉含量最高(47.80%),CN52867菊粉含量最低(35.85%)。回归分析表明,贮存时间对菊粉含量的影响较小,且不显著,并对结果进行了讨论。研究结果可为消费者和工业企业解决菊粉在贮存后的含量损失问题提供参考
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Inulin content of Jerusalem artichoke (Helianthus tuberosus L.) tubers stored at 5 oC in a refrigerator for different durations
Jerusalem artichoke is a perennial crop, but it is grown as an annual crop for its inulin containing tubers. Various factors affect inulin content, in which storage duration is one of the significant causes. Therefore, the effect of different storage durations on inulin content of Jerusalem artichoke was investigated in this study. Four Jerusalem artichoke varieties were assigned as factor A, and six durations of storage at 5 oC were assigned as factor B. The 24 treatment combinations of a 4×6 factorial were arranged in a completely randomized design with four replications. After harvest, the tubers were cleaned and stored at 5 oC for five months. Inulin content was analyzed consecutively at 0, 1, 2, 3, 4 and 5 months after storage. Times of storage and varieties were significantly different (P<0.01) for inulin content. Stored tubers had inulin contents ranging from 35.9 to 43.7 % compared to 47.8 % of freshly-harvested tubers. The lowest inulin content was found after 2 months of storage. JA 89 had the highest inulin content (47.80%), whereas CN52867 had the lowest inulin content (35.85%). Regression analysis showed small and insignificant effect of storage time on inulin content, and the results are discussed. The results will be useful for consumers and industries for their concern on storage loss of inulin content after storage
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