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首页> 外文期刊>Journal of Wood Chemistry and Technology >Chemical Composition and Immunohistological Variations of a Growing Bamboo Shoot
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Chemical Composition and Immunohistological Variations of a Growing Bamboo Shoot

机译：生长竹笋的化学成分和免疫组织学变化

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摘要

Ma bamboo f Dendrocalamus latiflorus Munro) is the most distributed bamboo species in Taiwan, and its newly grown biomass within one growing season is the highest compared to the other local bamboo species. However, little is known about the cell wall chemical composition variations and distributions in Ma bamboo during its growth. In this study, we use chemical analyses along with lignin staining and immunolocalization to characterize the distributions of cell wall components from a Ma bamboo shoot at different growing stages. The results show that lignin, crystalline cellulose, and xylan are preferentially accumulated at later stage of developments. Lignin heterogeneity varies among different growing stages, and their lignins contain significant amounts of acylated p-coumaric acid andferulic acid. Depositions ofxyloglucan in differentiating cell walls are associated with that of pectin and xylan; they might be masked with each other. Calactan andmannan are minor constituents of bamboo shoots, and galactan is potentially masked by other polysaccharides in specific growing stages.
机译：马竹（Dendrocalamus latiflorus Munro）是台湾分布最广泛的竹种，与其他本地竹种相比，它在一个生长季节内的新生长生物量最高。然而，人们对马竹生长过程中细胞壁化学成分的变化和分布知之甚少。在这项研究中，我们使用化学分析以及木质素染色和免疫定位来表征麻竹笋在不同生长阶段的细胞壁成分的分布。结果表明，木质素，结晶纤维素和木聚糖在发育后期优先积累。木质素异质性在不同的生长阶段之间有所不同，它们的木质素含有大量的酰化对香豆酸和阿魏酸。木葡聚糖在分化细胞壁中的沉积与果胶和木聚糖的沉积有关。他们可能会互相掩盖。甘露聚糖和甘露聚糖是竹笋的次要成分，而半乳聚糖在特定的生长期可能被其他多糖掩盖。

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