Compositional and structural characteristics of residual biomass from tropical plantations
Compositional and structural characteristics of residual biomass from tropical plantations
复制标题
热带人工林剩余生物量的组成和结构特征
DOI：
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发表时间：
1998
影响因子：
2.9
通讯作者：
H. Shintani
中科院分区：
文献类型：
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作者：
Satoshi Suzuki;E. B. Rodriguez;K. Iiyama;K. Saito;H. Shintani
热带人工林的许多产品和大量废弃物，如胶乳、棕榈油和由于再植而产生的椰子，正等待有效利用。未利用的热带生物质-油棕（Elaeis guneensis Jacq.）椰子（Cocos nucifera L.）椰壳纤维和椰壳粉尘，橡胶（橡胶树）木材-壁多糖和木质素的化学和结构特征进行了分析。椰壳尘主要由中间层组成，并与椰壳纤维分离，椰壳纤维由次生壁组成。这些都得到了木质素含量，以及壁多糖和木质素的结构特征的支持。橡胶树木质部壁的化学和光谱特征与典型的温带被子植物木材相似。油棕叶片中阿拉伯木聚糖含量丰富，且阿拉伯木聚糖上有大量的乙酰基被取代。油棕榈叶的木质素和椰壳纤维粉末的壁多糖被具有酯键和醚键的羟基苯甲酸取代。对羟基苯甲酸取代到椰壳纤维粉尘的壁聚合物中，有助于多糖与木质素之间的缔合。因此，椰壳纤维和橡胶木是生产造纸用化学浆的适宜原料，而油棕叶不适宜。
Many products and abundant wastes from tropical plantations, such as latex, palm oil, and coconut production due to replantation, are waiting effective utilization. Nonutilized tropical biomass — oil palm (Elaeis guneensis Jacq.), coconut (Cocos nucifera L.) coir dust and coir fiber, and rubber (Hevea brasiliensis) wood — were analyzed for chemical and structural characteristics of wall polysaccharides and lignin. Coconut coir dust is mostly composed of middle lamella and is separated from coir fiber, which is composed of secondary walls. These were supported by lignin content, and structural characteristics of wall polysaccharides and lignin. The chemical and spectroscopic characteristics of walls of rubber xylem were similar to those of typical temperate angiosperm woods. Oil palm frond was significantly rich in arabinoxylan, and numerous acetyl groups were substituted to the arabinoxylan. Lignin of oil palm frond and wall polysaccharides of coconut coir dust are substituted with hydroxybenzoic acids with ester and ether linkages. Some p-hydroxybenzoic acid substituted to the wall polymers of coconut coir dust would contribute to the formation of associations between polysaccharides and lignin. Based on the above results it is suggested that coconut coir fiber and rubber wood are suitable resources for chemical pulp production for paper-making, but oil palm frond is not.