Acetylation of reed (Arundo donax) to prevent the contact dermatitis of woodwind musicians

IF 3.1 2区农林科学 Q1 FORESTRY

Wood Science and Technology Pub Date : 2024-11-01 DOI:10.1007/s00226-024-01604-8

Yoshikazu Arai, Eiichi Obataya, Akiko Nakagawa-Izumi, Naoko Okiyama

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Abstract

A reed (Arundo donax) was acetylated to prevent serious cheilitis (reed allergy) in woodwind musicians in contact with the vibrating plate made of the reed. The reed was acetylated almost completely at 120 °C for 8 to 24 h. The maximum weight% gain (WPG) of the reed was lower than that of wood, reflecting a lower number of active reaction sites. The WPG of the inner part of the reed was slightly higher than that of the outer part, probably because the reactivity of the parenchyma cells is higher than that of the bundle sheaths. The acetylated reeds were tested by eleven skilled musicians suffering from the reed allergy. Eight musicians reported no allergic reactions. Three musicians reacted with the acetylated reed, but the reactions were much weaker than those induced by the unmodified reed. Thus, acetylation has been proven effective in preventing reed allergy. The patch test was not sufficient to detect allergies because although some musicians tested negative in the patch test, their mouths reacted seriously.

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对芦苇（Arundo donax）进行乙酰化处理，防止木管乐器演奏家患上接触性皮炎

对芦苇（Arundo donax）进行乙酰化处理，以防止木管乐器演奏者在接触芦苇制成的振动板时发生严重的腮腺炎（芦苇过敏症）。在 120 °C、8 至 24 小时的条件下，芦苇几乎完全被乙酰化。芦苇的最大增重率（WPG）低于木材，这反映了活性反应位点的数量较少。芦苇内部的 WPG 略高于外部，这可能是因为实质细胞的反应活性高于束鞘。11 名患有哨片过敏症的熟练音乐家对乙酰化哨片进行了测试。八位音乐家表示没有过敏反应。三位音乐家对乙酰化哨片产生了反应，但反应程度远低于未改良哨片。因此，乙酰化被证明可以有效预防哨片过敏。贴片测试并不足以检测出过敏现象，因为尽管有些乐手的贴片测试结果为阴性，但他们的口腔却出现了严重的反应。

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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.