Physico-chemical properties of Brazilian native bamboo species

Marcela Guiotoku , Augusto Ribas Pangrácio , Fabrício Augusto Hansel , André Eduardo Biscaia de Lacerda
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Abstract

Despite the worldwide social and economic importance of bamboos, most species have been poorly studied in areas with high species richness, such as Brazil. We conducted a physico-chemical characterization of four bamboo species native to southern Brazil. Merostachys skvortzovii Send. and Chusquea meyeriana Rupr. ex Döll are the most common and occur frequently as dominant invasive species, Apoclada simplex McClure & L.B.Sm. is listed as a threatened species, and Chusquea cf. gracilis is a rare species. Juvenile and adult samples were analyzed for moisture, ash, extractives, lignin, carbon (C), hydrogen (H), nitrogen (N), sulfur (S), silicon (Si), oxygen content (O), and inorganic analytes. Important differences were found between adults and juveniles and among the studied species. The results point to higher cellulose content for Chusquea cf. gracilis and C. meyeriana, while Chusquea meyeriana presented the greatest diversity of chemical elements. Overall, the results can inform the development of new applications of these species. This is particularly important for Merostachys skvortzovii and Chusquea meyeriana as they have widespread ecological importance and can arrest forest successional development in the region.

巴西本地竹子的物理化学特性
尽管竹子在世界范围内具有重要的社会和经济价值,但在巴西等物种丰富的地区,对大多数竹子物种的研究却很少。我们对原产于巴西南部的四种竹子进行了物理化学鉴定。Merostachys skvortzovii Send.和 Chusquea meyeriana Rupr. ex Döll 是最常见的竹子,经常作为优势入侵物种出现;Apoclada simplex McClure & L.B.Sm. 被列为濒危物种;Chusquea cf. gracilis 是稀有物种。对幼体和成体样本进行了水分、灰分、萃取物、木质素、碳(C)、氢(H)、氮(N)、硫(S)、硅(Si)、氧含量(O)和无机分析物的分析。研究发现,成体和幼体之间以及研究物种之间存在重要差异。结果表明,Chusquea cf. gracilis 和 C. meyeriana 的纤维素含量较高,而 Chusquea meyeriana 的化学元素种类最多。总之,这些结果可以为这些物种的新应用开发提供参考。这对 Merostachys skvortzovii 和 Chusquea meyeriana 尤为重要,因为它们具有广泛的生态重要性,可以阻止该地区的森林演替发展。
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CiteScore
0.90
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