Sweet cherry (Prunus avium L.) vacuum drying: Kinetics modelling and textural properties

IF 0.8 4区工程技术 Q4 ENGINEERING, CHEMICAL

Hemijska Industrija Pub Date : 2020-11-04 DOI:10.2298/hemind200320027v

Anita Vakula, B. Pavlić, Aleksandra Tepic-Horecki, M. Jokanović, Tatjana Daničić, Jovana Dulić, Zdravko M. Šumić

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Abstract

Sweet cherries ( Prunus avium L.) were vacuum dried at different temperatures in the range between 50 and 70 o C and different pressures between 20 and 200 mbar. Seven mathematical models (Henderson-Pabis, Modified Henderson-Pabis, Simplified Fick’s diffusion, Peleg, Logarithmic, Two term and Midilli et al. ) were used for description of the vacuum drying process and the Midilli et al. model was selected as the most suitable with the highest mean value of coefficient of determination ( R 2 =0.9985) and the lowest mean values of the average absolute relative deviation (AARD=0.90 %), root mean square error (RMSE=0.0061) and the reduced chi-square ( χ 2 =0.0001). Seven textural properties (shear force, penetration force, hardness, springiness, cohesiveness, gumminess and chewiness) were investigated in all dried sweet cherry samples. The results indicated that the pressure influenced the textural properties of sweet cherries during vacuum drying since the minimum values of all investigated texture properties were obtained in samples dried at the pressure of 200 mbar, while the maximum values were obtained at 20 and 65 mbar. It also was noticed that the temperature influenced the textural properties in the temperature range investigated, but not as significantly as it was the case of the pressure influence.

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甜樱桃(Prunus avium L.)真空干燥:动力学模型和结构特性

甜樱桃(Prunus avium L.)在50至70℃的不同温度和20至200毫巴的不同压力下进行真空干燥。采用了7个数学模型(Henderson-Pabis、Modified Henderson-Pabis、Simplified Fick’s diffusion、Peleg、Logarithmic、Two term和Midilli et al.)来描述真空干燥过程，选择了决定系数均值最高(r2 =0.9985)、平均绝对相对偏差均值最低(AARD= 0.90%)的Midilli et al.模型。均方根误差(RMSE=0.0061)和简化卡方(χ 2 =0.0001)。研究了甜樱桃干样品的剪切力、渗透力、硬度、弹性、黏结性、胶性和咀嚼性等7项结构特性。结果表明，压力对真空干燥过程中甜樱桃的结构特性有一定的影响，所有研究的结构特性都是在压力为200 mbar时达到最小值，而在压力为20和65 mbar时达到最大值。还注意到，在所研究的温度范围内，温度对纹理性能的影响，但不像压力影响那么显著。

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

Hemijska Industrija 工程技术-工程：化工

CiteScore

1.60

自引率

11.10%

发文量

审稿时长

6-12 weeks

期刊介绍： The Journal Hemijska industrija (abbreviation Hem. Ind.) is publishing papers in the field of Chemical Engineering (Transport phenomena; Process Modeling, Simulation and Optimization; Thermodynamics; Separation Processes; Reactor Engineering; Electrochemical Engineering; Petrochemical Engineering), Biochemical Engineering (Bioreactors; Protein Engineering; Kinetics of Bioprocesses), Engineering of Materials (Polymers; Metal materials; Non-metal materials; Biomaterials), Environmental Engineeringand Applied Chemistry. The journal is published bimonthly by the Association of Chemical Engineers of Serbia (a member of EFCE - European Federation of Chemical Engineering). In addition to professional articles of importance to industry, scientific research papers are published, not only from our country but from all over the world. It also contains topics such as business news, science and technology news, information on new apparatus and equipment, and articles on environmental protection.

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