Department of Engineering, Graduate School of Sustainability Science, Tottori University, 4-101 Koyama-Minami, Tottori 680-8552, Japan.
Faculty of Agriculture, Tottori University, 4-101 Koyama-Minami, Tottori 680-8553, Japan.
Carbohydr Polym. 2022 May 15;284:119233. doi: 10.1016/j.carbpol.2022.119233. Epub 2022 Feb 8.
Some studies have reported the method for treating the spent mushroom substrate (SMS). However, the effective use as a functional raw material based on properties of SMS remains a formidable challenge. In this study, we investigated the usefulness of SMS in agriculture to develop a new method for treating and utilizing it. First, we attempted to isolate chitin/cellulose nanofiber complex (CCNFC) from SMS using chemical pretreatment and mechanical fibrillation. The characterization results like SEM, FT-IR, and XRD showed that we successfully isolated the CCNFC from SMS. Second, we explored the biological activities of the CCNFC for its potential application as a functional agricultural nanomaterial. CCNFC water dispersion with low concentration (0.1 and 1 mg/mL) exhibited significant plant disease resistance and plant growth promotion activities. Our results suggested that SMS may provide a useful source of functional agricultural nanomaterial, which may contribute to treating and applying it in agriculture.
一些研究已经报道了处理废菌糠（SMS）的方法。然而，基于 SMS 的特性将其有效用作功能原料仍然是一个艰巨的挑战。在这项研究中，我们研究了 SMS 在农业中的有用性，以开发一种新的处理和利用方法。首先，我们尝试使用化学预处理和机械纤维化从 SMS 中分离出壳聚糖/纤维素纳米纤维复合物（CCNFC）。SEM、FT-IR 和 XRD 等表征结果表明，我们成功地从 SMS 中分离出了 CCNFC。其次，我们探索了 CCNFC 的生物活性，以评估其作为功能农业纳米材料的潜在应用。低浓度（0.1 和 1 mg/mL）的 CCNFC 水分散体表现出显著的植物抗病和促进植物生长活性。我们的结果表明，SMS 可能为功能农业纳米材料提供了一个有用的来源，这可能有助于处理和应用于农业。
