应用定量磁共振成像(QMRI)评估超声波雾化水在松露保存中的效果。

IF 4.2 2区 生物学 Q2 MICROBIOLOGY
Alessia Marino, Marco Leonardi, Alessandra Zambonelli, Mirco Iotti, Angelo Galante
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引用次数: 0

摘要

块菌属(Pezizales, Ascomycetes)的松露是最珍贵、最昂贵的食品之一,但在 4 °C 下保存的保质期仅限于 7-10 天。人们提出了其他保存方法来延长其保质期,但这些方法可能会改变某些质量参数。最近,人们开发出了一种配备超声波湿度系统(HDC)的保鲜盒,根据松露品种的不同,可将保质期延长至 2-3 周。本研究利用定量磁共振成像技术(QMRI)监测水分含量和其他参数,评估了 HDC 在保存黑色块菌和勃氏块菌子囊 16 天内的功效。作为对照组,16 个黑孢块菌和 6 个喙孢块菌被保存在 4 °C 的 HDC 或静态冰箱(SF)中。QMRI 证实,在所有条件下,博氏酵母菌的保质期都比黑孢酵母菌短。HDC 降低了这两个物种的收缩率、水分和质量损失。此外,反映分子变化的表观扩散系数(ADC)、纵向弛豫时间(T1)和横向弛豫时间(T2)在 HDC 中的下降速度比 SF 慢。事实证明,QMRI 对研究富含水分的样本和评估松露保存技术非常有用。需要进一步优化这种方法,使其适用于工业用途。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Application of Quantitative Magnetic Resonance Imaging (QMRI) to Evaluate the Effectiveness of Ultrasonic Atomization of Water in Truffle Preservation.

Truffles of the Tuber genus (Pezizales, Ascomycetes) are among the most valuable and expensive foods, but their shelf life is limited to 7-10 days when stored at 4 °C. Alternative preservation methods have been proposed to extend their shelf life, though they may alter certain quality parameters. Recently, a hypogeal display case equipped with an ultrasonic humidity system (HDC) was developed, extending the shelf life to 2-3 weeks, depending on the truffle species. This study assesses the efficacy of HDC in preserving Tuber melanosporum and Tuber borchii ascomata over 16 days, using quantitative magnetic resonance imaging (QMRI) to monitor water content and other parameters. Sixteen T. melanosporum and six T. borchii ascomata were stored at 4 °C in an HDC or a static fridge (SF) as controls. QMRI confirmed that T. borchii has a shorter shelf life than T. melanosporum under all conditions. HDC reduced the rate of shrinkage, water, and mass loss in both species. Additionally, the Apparent Diffusion Coefficient (ADC), longitudinal relaxation time (T1), and transverse relaxation time (T2), which reflect molecular changes, decreased more slowly in HDC than SF. QMRI proves useful for studying water-rich samples and assessing truffle preservation technologies. Further optimization of this method for industrial use is needed.

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来源期刊
Journal of Fungi
Journal of Fungi Medicine-Microbiology (medical)
CiteScore
6.70
自引率
14.90%
发文量
1151
审稿时长
11 weeks
期刊介绍: Journal of Fungi (ISSN 2309-608X) is an international, peer-reviewed scientific open access journal that provides an advanced forum for studies related to pathogenic fungi, fungal biology, and all other aspects of fungal research. The journal publishes reviews, regular research papers, and communications in quarterly issues. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. Therefore, there is no restriction on paper length. Full experimental details must be provided so that the results can be reproduced.
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