Enhanced preservation of cut rose flowers through bacterial nanocellulose produced from legume wastewater and fortified with Auricularia auricula polysaccharide

IF 6.4 1区农林科学 Q1 AGRONOMY

Postharvest Biology and Technology Pub Date : 2024-10-25 DOI:10.1016/j.postharvbio.2024.113277

Yiran Yan , Yetong Feng , Tao Chen , Qiuling Shao , Nan Wu , Shuai Han , Jie Liu , Dingkang Wei , Yang Shen , Xinyu Zhang , Yang Li , Dehui Qu , Ying Zhu , Guochao Wu

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引用次数: 0

Abstract

Cut flowers of Rosa hybrida 'Lychee' are susceptible to rapid decay, resulting in a brief shelf life, a inherent feature to their floral physiology. This study evaluated the effects of bacterial nanocellulose (BNC), which was produced from the legume processing wastewater and loaded with Auricularia auricula polysaccharide and 8-hydroxyquinoline, in extending the shelf life of these cut rose flowers. Water-retaining cotton and floral foam blocks were employed as control materials. The bacterial strain Komagataeibacter rhaeticus CP050139.1 yielded BNC from legume waste at a rate comparable to that from a glucose-based medium: 0.107±0.004 g L⁻¹ d⁻¹ versus 0.157±0.004 g L⁻¹ d⁻¹, respectively. Characterization via FE-SEM, FT-IR, TGA, and XRD confirmed that the BNC from both sources exhibited similar microscopic morphology, chemical composition, thermal stability, and crystallinity. The use of BNC, particularly when enriched with Auricularia auricula polysaccharide (AAP), extended the shelf life of cut roses by 50 % and significantly minimized fresh weight loss in comparison to the control materials. BNC's superior water-holding capacity — 42.7 times greater than that of water-retaining cotton — proved advantages for maintaining hydration and preventing wilting during transportation. This study underscored the potential of BNC hydrogel, sourced from legume processing wastewater, as an innovative, effective, and environmentally sustainable solution for preserving cut rose flowers, promoting the recycling of agricultural by products and enhancing the preservation of horticultural products.

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利用豆科植物废水生产的细菌纳米纤维素并添加金耳朵多糖，提高玫瑰切花的保鲜效果

杂交蔷薇'荔枝'切花易快速腐烂，导致保质期短暂，这是其花卉生理的固有特征。本研究评估了细菌纳米纤维素（BNC）对延长这些玫瑰切花货架期的影响，BNC 由豆类加工废水制成，并添加了金耳朵多糖和 8-羟基喹啉。保水棉和花卉泡沫块被用作对照材料。Komagataeibacter rhaeticus CP050139.1 菌株从豆科植物废料中产生 BNC 的速率与从葡萄糖基培养基中产生 BNC 的速率相当：分别为 0.107±0.004 g L-1 d-1 和 0.157±0.004 g L-1 d-1。通过 FE-SEM、FT-IR、TGA 和 XRD 表征证实，两种来源的 BNC 具有相似的微观形态、化学成分、热稳定性和结晶度。与对照材料相比，使用 BNC，特别是富含 Auricularia auricula 多糖（AAP）的 BNC，可将切花玫瑰的保质期延长 50%，并显著减少鲜重损失。BNC 超强的保水能力（是保水棉的 42.7 倍）证明了其在运输过程中保持水分和防止枯萎的优势。这项研究强调了从豆类加工废水中提取的 BNC 水凝胶作为一种创新、有效和环境可持续的玫瑰切花保鲜解决方案的潜力，促进了农副产品的循环利用，并提高了园艺产品的保鲜效果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Postharvest Biology and Technology 农林科学-农艺学

CiteScore

12.00

自引率

11.40%

发文量

309

审稿时长

38 days

期刊介绍： The journal is devoted exclusively to the publication of original papers, review articles and frontiers articles on biological and technological postharvest research. This includes the areas of postharvest storage, treatments and underpinning mechanisms, quality evaluation, packaging, handling and distribution of fresh horticultural crops including fruit, vegetables, flowers and nuts, but excluding grains, seeds and forages. Papers reporting novel insights from fundamental and interdisciplinary research will be particularly encouraged. These disciplines include systems biology, bioinformatics, entomology, plant physiology, plant pathology, (bio)chemistry, engineering, modelling, and technologies for nondestructive testing. Manuscripts on fresh food crops that will be further processed after postharvest storage, or on food processes beyond refrigeration, packaging and minimal processing will not be considered.