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Articles 1 - 20 of 20
Full-Text Articles in Food Processing
Design And Drying Test Of Refractance Window Drying Equipment, Wei-Peng Zhang, Yi-Fan Nie, Hong-Wei Xiao, Zhi-An Zheng, Hao-Yu Ju, Zhi-Gang Huang
Design And Drying Test Of Refractance Window Drying Equipment, Wei-Peng Zhang, Yi-Fan Nie, Hong-Wei Xiao, Zhi-An Zheng, Hao-Yu Ju, Zhi-Gang Huang
Food and Machinery
In order to explore a suitable drying device and method for heat-sensitive pulp materials, a refractance window dehydration (RW) device and an infrared refractance window dehydration (IR-RW) device were designed and manufactured with hot water and carbon fiber infrared plate as heat sources, respectively. The drying experiments were carried out with carrot pulp and also compared with the hot air drying. Both of the RW and IR-RW device were composed of feeding system, heating system, cooling system and unloading system. The control system was made of touch screen and a series of slave controllers. A control network was formed base …
Effect Of Drying Method On The Flavor Of Okra Flower Tea And Its Soup, Er-Bu Na, Xing-Lian Lan, Gui-Wu Wang, Kai-Zheng Huang, Ma-Ju Li, Wei Ran, Song-Lin Xin
Effect Of Drying Method On The Flavor Of Okra Flower Tea And Its Soup, Er-Bu Na, Xing-Lian Lan, Gui-Wu Wang, Kai-Zheng Huang, Ma-Ju Li, Wei Ran, Song-Lin Xin
Food and Machinery
The volatile components of okra flower tea and its soup prepared using different drying methods were tested and analyzed by high throughput time of flight mass spectrometry (GC-TOF-MS), and the components of okra flower tea and its soup were determined. The results showed that 194 volatile compounds were identified in okra flower tea and its soup prepared by using the two drying methods. Among them, organic acids, sugars and amino acids were the main ones. The relative contents of sugars, organic acids, alcohols, amides, esters, sulfonic acids and glycosides in freeze-dried flower tea and its soup were higher than those …
Effects Of Drying Methods On The Quality And Microstructure Of Armillaria Luteo-Virens, Meng Di, Dang Bin, Zhang Jie, Jie Xiaoxia, Gasongchenglin
Effects Of Drying Methods On The Quality And Microstructure Of Armillaria Luteo-Virens, Meng Di, Dang Bin, Zhang Jie, Jie Xiaoxia, Gasongchenglin
Food and Machinery
Objective:This study aimed to determine the most suitable drying method for Armillaria luteo-virens.Methods:The effects of solar drying, hot air drying, vacuum-freeze drying, vacuum drying and microwave-hot-air combined drying on the nutrition, functional components, color, rehydration ratio, shrinkage ratio, rehydration structure and microstructure of A. luteo-virens were compared.Results:The content of crude protein, crude polysaccharide and total flavonoids in vacuum-freeze drying group was the highest, and the content of total phenol was second highest and lower than the vacuum drying group. Its color difference was the smallest, with high rehydration ratio, and the shrinkage degree was …
Effects Of Different Drying Methods On Volatile Substances Of Taro Slices, Yang Yu, Liang Duan, Song Pei, Wang Xue-Qing, Dong Zhong, Sun Xue, Liu Yun-Hong
Effects Of Different Drying Methods On Volatile Substances Of Taro Slices, Yang Yu, Liang Duan, Song Pei, Wang Xue-Qing, Dong Zhong, Sun Xue, Liu Yun-Hong
Food and Machinery
Objective: This study aimed to explore the effects of different drying methods on the volatile components of taro slices. Methods: Volatile compound composition and volatile characteristics of five different drying methods of dried taro slices were studied. Taro and the ones dried by five drying methods, i.e. hot-air drying (HAD), contact-ultrasound enhanced hot-air drying (CU-HAD), far-infrared radiation drying (FIRD), contact-ultrasound enhanced far-infrared radiation drying (CU-FIRD) and freeze drying (FD),were analyzed by gas chromatography-mass spectrometry (GC-MS) with water-vapor distillation method. Volatile components were analyzed in conjunction with principal component analysis (PCA). Results: A total of 149 volatile compounds …
Research Progress On Composition And Processing Of Flos Lonicerae, Luo Lian, Ye Meng, Lin Jing, Chen An-Jun, Mo Han-Ru, Yu Jian-Bing, Liu Xing-Yan
Research Progress On Composition And Processing Of Flos Lonicerae, Luo Lian, Ye Meng, Lin Jing, Chen An-Jun, Mo Han-Ru, Yu Jian-Bing, Liu Xing-Yan
Food and Machinery
In this paper, the research on the active components, dry processing methods, extraction of functional components and processed products of Flos Lonicerae at home and abroad in recent years were summarized and discussed, and the development direction of Flos Lonicerae in the future was prospected.
Effects Of Drying And Freezing On Volatile Components Of Zingiber Mioga(Thunb.) Rosc., Zhang Si-Jie, Luo Feng-Lian, Deng Miao, Ren Shu-Rui, Qing Zhi-Xing
Effects Of Drying And Freezing On Volatile Components Of Zingiber Mioga(Thunb.) Rosc., Zhang Si-Jie, Luo Feng-Lian, Deng Miao, Ren Shu-Rui, Qing Zhi-Xing
Food and Machinery
Objective:This study aimed to compare the differences of volatile components in flower buds of Zingiber mioga after drying and freezing.Methods:Volatile components in flower buds of Z. mioga was determined by headspace solid phase microextraction Gas Chromatography-Mass Spectrometer(HS-SPME-GC-MS) after drying and freezing, and the relative content was calculated by peak area normalization method.Results:Drying and freezing treatment had a significant effect on the volatile components of Z. mioga flower bud. A total of 152 volatile components were identified in fresh, frozen and dried Z. mioga flower bud, containing a variety of volatile pharmacodynamic components, mainly olefins, including …
Drying Efficient Improvements With Step-Down Relative Humidity And Multi-Field Coupling Model Construction During Hot Air Drying Of Yam Slices, Zhang Wei-Peng, Han Meng-Yue, Ju Hao-Yu, Xiao Hong-Wei, Fan Xiao-Zhi
Drying Efficient Improvements With Step-Down Relative Humidity And Multi-Field Coupling Model Construction During Hot Air Drying Of Yam Slices, Zhang Wei-Peng, Han Meng-Yue, Ju Hao-Yu, Xiao Hong-Wei, Fan Xiao-Zhi
Food and Machinery
Objective:In order to explore the effect of step-down relative humidity drying strategy on the drying characteristics of agricultural products.Methods:Yam slices were selected as the object. The effects of constant humidity drying (relative humidity 15%, 25%, 35%, 45%) and step-down relative humidity drying (relative humidity 45% in the first stage for different times of 10, 20, 30, 60 min and relative humidity 20% in the second stage) on the drying characteristics of yam slices were studied at 60 ℃; The multi-field coupling model was constructed for the simulation of heat and mass transfer; The rehydration ratio and microstructure of the …
Effects Of Different Liquid Smoke Treatments On Osmotic Dehydration Of Apple Cubes, Rohit Singh
Effects Of Different Liquid Smoke Treatments On Osmotic Dehydration Of Apple Cubes, Rohit Singh
Graduate Theses, Dissertations, and Problem Reports
Refined Liquid Smoke (RLS) (1%) was incorporated during osmotic dehydration of apple cubes (10 mm each side) to observe its effect on solid gain, water loss, yield, water activity, product quality, and consumer preference. Three different treatments, POD (pure osmotic dehydration, no RLS), LSISS (RLS inside sugar solution) and PTLS (pre-treatment with RLS), were compared in this study. Osmotic dehydration was carried out using 42 °Brix sugar solution, and the fruit to solution ratio was kept at 1:4. The osmotically dehydrated apples were evaluated for soluble solid content (SSC), water loss, and solid gained. After osmotic dehydration, apple cubes were …
Impacts Of Postharvest Temperature Exposure Profiles On Rice Physicochemical Properties, Seth Graham-Acquaah
Impacts Of Postharvest Temperature Exposure Profiles On Rice Physicochemical Properties, Seth Graham-Acquaah
Graduate Theses and Dissertations
Heated-air drying followed by tempering (HAT) is effective for increasing rough-rice drying rates without compromising head rice yield (HRY). However, heat exposure could affect rice end-use properties. Hypothesizing that the total amount of heat exposure incurred by rice during heated-air drying determines the trend and magnitude of changes in end-use properties, this dissertation sought to 1) characterize the effects of drying and tempering regimen on changes in end-use properties, 2) derive an index to quantify and compare the amount of heat exposure that rice kernels incur during active drying and, 3) relate values of this index to changes in rice …
Design And Experiment Of Box Type Hot Air Drier For Fruits And Vegetables Based On Temperature And Humidity Control, Ju Hao-Yu, Zhao Hai-Yan, Yu Xian-Long, Zhang Wei-Peng, Wang Hui, Gao Zhen-Jiang, Xiao Hong-Wei
Design And Experiment Of Box Type Hot Air Drier For Fruits And Vegetables Based On Temperature And Humidity Control, Ju Hao-Yu, Zhao Hai-Yan, Yu Xian-Long, Zhang Wei-Peng, Wang Hui, Gao Zhen-Jiang, Xiao Hong-Wei
Food and Machinery
The box type hot air dryer with controlled temperature and humidity was designed. The drying machine mainly consists of internal recycle fan, heating system, humidifying equipment, weighing unit, and automatic control system. The experiment result showed that under 60 ℃ and 20% relative humidity, internal temperature and relative humidity were uniform and drying time was consistent in different positions with no significant differences. The material temperature changing curves seemed to be consistent under the same enthalpy value drying condition. Additonally, step-down relative humdity dyring method improve drying efficient a lot.
Low Energy Consumption Drying Device For Food Based On Integration Of Membrane Distillation And Liquid Desiccant Dehumidification, Gui Da-Li, Chen Dong, Fan Jia-Qi, Xie Ji-Hong
Low Energy Consumption Drying Device For Food Based On Integration Of Membrane Distillation And Liquid Desiccant Dehumidification, Gui Da-Li, Chen Dong, Fan Jia-Qi, Xie Ji-Hong
Food and Machinery
A low energy consumption drying device based on integration of membrane distillation and liquid desiccant dehumidification was proposed. The basic idea was to transfer the moisture in the material to the liquid desiccant by the dehumidifying-drying unit, and then the moisture absorbed by the liquid desiccant was separated and removed by liquid desiccant regeneration unit. Based on a brief introduction to the structure and principle of the device, an estimation formula for SMER (Specific moisture extraction rate) of the device was given and the SMER of the device can reach 6.36 kg/(kW·h) under typical operating conditions. An experimental device for …
The Use Of Grape By-Products As A Nutrient Rich Cattle Feed, Zachary Christman
The Use Of Grape By-Products As A Nutrient Rich Cattle Feed, Zachary Christman
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
In this article you will learn about how to use the grape stems, skins and pulp that are generated by the wine industry. Ruminant animals such as cattle can digest this inexpensive yet nutrient rich material. The complete process from wine press to cattle feed is covered in this article. The historical background of using grape by-products and methods to preserve this food source is also presented.
Development Of A One Pass Microwave Heating Technology For Rice Drying And Decontamination, Deandrae Lynette Smith
Development Of A One Pass Microwave Heating Technology For Rice Drying And Decontamination, Deandrae Lynette Smith
Graduate Theses and Dissertations
An industrial microwave (MW) system operating at 915 MHz frequency was used to dry high moisture content (MC) (23% to 24% wet basis) medium-grain rough rice samples (cv. Jupiter). The rice beds were contained in a modified tray that accommodated up to 9 kg of rice separated by thin fiberglass mesh in 3 kg increments. Each layer of rice was fitted with fiber optic sensors connected to a real time data logger during MW treatments. It was determined that drying rice to a MC of 14% to 16% was feasible with the application of MW specific energy at 600 kJ/kg-grain …
Effect Of Drying Temperature On Quality Of Debittered Apricot Kernels, Zhang Xinyun, Song Yun, Fan Xuehui, Zhang Qingan
Effect Of Drying Temperature On Quality Of Debittered Apricot Kernels, Zhang Xinyun, Song Yun, Fan Xuehui, Zhang Qingan
Food and Machinery
Effects of the drying temperatures (60, 80, 100, 110, 120, 130, 140 ℃）on the major quality of debittered apricot kernels drying products were studied. The results showed that with increase of drying temperature, the main component of debittered apricot nuts decreased after the first increase. Values of peroxide and acid of debittered apricot kernels increased with drying temperature. Drying temperature influenced on the color of debittered apricot nuts significantly. There was a good correlation between the protein (r=0.713 0), leucine (r=0.659 8), histidine (r=0.765 2), reducing sugar (r=0.800 1), aspartic acid (r=0.638 7), glutamic acid (r=0.801 5), valine (r=0.812 0), …
Effects Of Delayed Drying And Storage Conditions On Milling, Color, And Viscosity Properties Of Rice, Kathryn Nicole Haydon
Effects Of Delayed Drying And Storage Conditions On Milling, Color, And Viscosity Properties Of Rice, Kathryn Nicole Haydon
Graduate Theses and Dissertations
Head rice yields (HRYs), kernel discoloration, and functional properties are three hallmarks of rice quality, and can be impacted after harvest by storage conditions. This study evaluated impacts on rice quality due to controlled storage at moisture contents (MCs), temperatures, and storage durations that may be incurred during Mid-South rice farming practices. Three hybrid, long-grain cultivars, harvested in Arkansas in 2014 and 2015, were stored in rough rice form at 4 MCs (12.5%, 16%, 19%, and 21%), and 5 temperatures (10°C, 15°C, 20°C, 27°C, and 40°C), for 16 weeks, with samples taken every 2 weeks. After drying and milling, HRYs, …
A Simulation Platform For Accurate Prediction Of In-Bin Drying And Storage Of Rough Rice, Houmin Zhong
A Simulation Platform For Accurate Prediction Of In-Bin Drying And Storage Of Rough Rice, Houmin Zhong
Graduate Theses and Dissertations
Natural air (NA), in-bin drying and storage of rough rice generally maintains high grain quality, but the associated slow movement and occasional stagnation of the drying front during the process may result in problems of rice quality reduction, mold growth, and mycotoxin development, especially for rough rice in the top layers of the bin. Using modeling techniques to simulate in-bin rough rice drying in typically-encountered field scenarios may provide a tool for rapidly predicting the grain condition as drying progresses. The objectives for this study were to (1) investigate accurate models for predicting equilibrium moisture content (EMC) of rough rice …
Determination Of Master Compliance Curve For Extruded Semolina Pasta, Laura E. Emery, Martin Okos
Determination Of Master Compliance Curve For Extruded Semolina Pasta, Laura E. Emery, Martin Okos
The Summer Undergraduate Research Fellowship (SURF) Symposium
The dependence of the rate of relaxation of semolina pasta on moisture content and temperature and how it affects shrinkage during drying has not yet been determined. The purpose of this research was to develop an equation that relates moisture content and temperature in order to obtain a master curve for creep of the product. When found, this equation could help to optimize the drying process and increase the quality of the final pasta product. Semolina flour mixed with water and propionic acid to create a 35% wet basis product was extruded on a C.W. Brabender 2523 to obtain a …
Controlling The Mineral Content Of Sweet Whey Powder In An Industrial Setting, Matthew W. Sawyer
Controlling The Mineral Content Of Sweet Whey Powder In An Industrial Setting, Matthew W. Sawyer
Dairy Science
The objective of this project was to reduce the final ash content of sweet whey powder. The data for this project was collected over a two-week period, from July 13th to July 27th 2010 in a dairy plant in the Mid-West of the United States. The data is composed of particle size test, ash test, and pH test. The conclusions of this study are that multiple pre-heat treatment tank changes contribute to mineral content by requiring more buffering than usual. The low pH of this pre-heat liquid forces a need for more buffering. Particle segregation may play a role in …
The Influence Of Storing High Moisture-Content Rough Rice On Milling Quality, Julita M. Manski, Terry Siebenmorgen
The Influence Of Storing High Moisture-Content Rough Rice On Milling Quality, Julita M. Manski, Terry Siebenmorgen
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
The objective of this research was to determine the influence on drying characteristics of storing high-moisture content (MC) rough rice under various conditions and durations before drying. Two cultivars of rice, 'Bengal', a medium-grain cultivar, and 'Cypress', a long-grain cultivar, were used. The MC of 'Bengal' was 24.8%1 and that of 'Cypress' was 20.4% at harvest. Immediately after harvest, drying runs were performed with samples of both cultivars under two drying air conditions: one at 51.7°C (125°F) and 25% relative humidity (RH), and the other at 60°C (140°F) and 17% RH. Storage treatments using the high MC rice were also …
Fissure Characterization Of Rice Kernels Using Video Microscopy, Jerry W. Fendley, Terry J. Siebenmorgen, Rustico C. Bautista
Fissure Characterization Of Rice Kernels Using Video Microscopy, Jerry W. Fendley, Terry J. Siebenmorgen, Rustico C. Bautista
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Fissures are fractures of a rice kernel that can be created during the drying and tempering process. They cause tremendous postharvest losses in milling yield. Understanding why and how rice kernels fissure will lead to optimal drying and tempering operations. This information could also provide input to plant breeders for producing rice cultivars that are more resistant to fissuring. Rice kernels were dried using various air conditions in a controlled environment chamber. The kernels were viewed by video microscopy to observe the occurrence of fissures. A videocassette recorder recorded the images for a 24-hour period after the drying process. The …