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首页> 外文期刊>Journal of Wood Chemistry and Technology >DISTRIBUTION OF LIVING RAY PARENCHYMA CELLS AND MAJOR BIOACTIVE COMPOUNDS DURING THE HEARTWOOD FORMATION OF TAIWANIA CRYPTOMERIOIDES HAYATA
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DISTRIBUTION OF LIVING RAY PARENCHYMA CELLS AND MAJOR BIOACTIVE COMPOUNDS DURING THE HEARTWOOD FORMATION OF TAIWANIA CRYPTOMERIOIDES HAYATA

机译：台湾HA RY心木形成过程中存活线肺鳞癌细胞和主要生物活性成分的分布。

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摘要

The heartwood of Taiwania (Taiwania cryptomerioides Hayata) has the excellent decay resistance and fascinating color qualities due to the accumulation of bioactive compounds. However, limited information was addressed to the heartwood formation of this species. In this study, we established the distribution of the living ray parenchyma cells and profiled the major bioactive compounds across and along the Taiwania stem. The ray parenchyma cells would die within 1-2 annual rings of the transition zone, which occurs around 8-13 annual rings counted from the cambium. The gradual loss of the starch grains accompanied with the deposition of the colored materials into the cell lumens started from the outer transition zone. The radial distribution of the extractive contents and its signature bioactive compounds across Taiwania stems gradually increased from the transition zone toward the heartwood tissues. The aforementioned properties did not show specific trends along the vertical direction of the Taiwania stems.
机译：由于生物活性化合物的积累，Taiwan木（Taiwania cryptomerioides Hayata）的心材具有出色的抗腐性和迷人的颜色品质。但是，有关该树种心材形成的信息有限。在这项研究中，我们建立了活的射线实质细胞的分布，并描绘了台湾松茎上和沿台湾茎的主要生物活性化合物。射线薄壁组织细胞会在过渡区的1-2年环内死亡，这发生在从形成层开始计数的8-13年环上。淀粉颗粒的逐渐损失伴随着有色物质沉积到细胞腔中，从外部过渡区开始。整个台湾树茎中提取物含量及其标志性生物活性化合物的径向分布从过渡区向心材组织逐渐增加。上述特性没有显示出沿台湾茎垂直方向的特定趋势。

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