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桉属木材的正常材与应张木之间的化学组成有明显变异,另外边材的淀粉含量和抽提物类型也存在广泛差异,Kino(一种丹宁物质)和无机盐类亦不相同,同时心材的含水率比边材高。
Eucalyptus wood has a significant variation in the chemical composition between normal and tamarind wood, and there is also a wide range of differences in the starch content and types of extracts from sapwood. Kino (a tannin substance) and inorganic salts are also different, Heartwood moisture content higher than the sapwood.