Lapachol from Indonesian teak (Tectona grandis) wood waste as a natural additive for alkaline cooking

IF 3.1 2区农林科学 Q1 FORESTRY

Wood Science and Technology Pub Date : 2024-03-05 DOI:10.1007/s00226-024-01537-2

Esty Octiana Sari, Syelvia Putri Utami, Akiko Nakagawa-Izumi, Hiroshi Ohi

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Abstract

Anthraquinone has been widely utilized in the pulp and paper industry as a catalyst for alkaline cooking; however, its application has been recently restricted due to its potential carcinogenic effects. Hence, safer alternatives to anthraquinone have been explored. Agro-industrial by-products have been utilized as sustainable sources of value-added materials. In this study, teak (Tectona grandis) wood waste from Gunung Kidul, Indonesia, which naturally contains lapachol, was utilized as a biocatalyst to enhance delignification and improve pulp yield in alkaline cooking for pulp and paper production. The use of lapachol as a cooking catalyst was investigated for kraft, soda, and prehydrolysis soda cooking. Lapachol accelerated delignification and retained carbohydrate in all three alkaline cooking methods, with its effect being more pronounced in kraft cooking than in soda cooking. This study demonstrates that teak wood extractives with lapachol are promising sustainable catalysts for alkaline cooking.

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从印度尼西亚柚木（Tectona grandis）废料中提取的 Lapachol 作为碱性烹饪的天然添加剂

蒽醌作为碱性蒸煮的催化剂被广泛应用于纸浆和造纸工业；然而，由于其潜在的致癌作用，其应用最近受到了限制。因此，人们开始探索更安全的蒽醌替代品。农用工业副产品已被用作增值材料的可持续来源。在这项研究中，来自印度尼西亚 Gunung Kidul 的柚木（Tectona grandis）废料天然含有青木醇，被用作生物催化剂，在制浆造纸的碱性蒸煮过程中增强脱木素作用，提高纸浆产量。在牛皮纸、苏打和预水解苏打蒸煮过程中，对使用拉帕酚作为蒸煮催化剂进行了研究。在所有三种碱蒸煮方法中，拉帕酚都能加速木质素的脱除并保留碳水化合物，其效果在牛皮纸蒸煮中比在苏打蒸煮中更明显。这项研究表明，含有拉帕酚的柚木萃取物是一种很有前景的可持续碱性蒸煮催化剂。

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来源期刊

Wood Science and Technology 工程技术-材料科学：纸与木材

CiteScore

5.90

自引率

5.90%

发文量

审稿时长

3 months

期刊介绍： Wood Science and Technology publishes original scientific research results and review papers covering the entire field of wood material science, wood components and wood based products. Subjects are wood biology and wood quality, wood physics and physical technologies, wood chemistry and chemical technologies. Latest advances in areas such as cell wall and wood formation; structural and chemical composition of wood and wood composites and their property relations; physical, mechanical and chemical characterization and relevant methodological developments, and microbiological degradation of wood and wood based products are reported. Topics related to wood technology include machining, gluing, and finishing, composite technology, wood modification, wood mechanics, creep and rheology, and the conversion of wood into pulp and biorefinery products.