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Full-Text Articles in Food Processing

Effect Of Peel Reutilization On Quality Of Essential Oil From Orange (Citrus Sinensis Var. Valencia) Peel After Rubbing Peel, Liang Zengenni, Fu Fuhua, Shang Xuebo, He Shuang, Shan Yang Dec 2015

Effect Of Peel Reutilization On Quality Of Essential Oil From Orange (Citrus Sinensis Var. Valencia) Peel After Rubbing Peel, Liang Zengenni, Fu Fuhua, Shang Xuebo, He Shuang, Shan Yang

Food and Machinery

To study on utilization of residual orange peel in industrial production and increase of essential oil yield from orange peel, essential oil from yellow juice and residual orange peel were extracted inCitrus sinensis var. Valencia using steam distillation after grinding peel. Then the yield of essential oil extracted from yellow juice and residual orange peel was measured and their compounds were compared, andessential oilextracted from tangerine peel and tangerine endocarp were used as control. The results shows that the essential oil yield from orange peel can be increased (11.55%) by recycling residual orange peel, and the compounds of essential oil …

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Inhibiting Effect Of Stachyose From Stachys Floridana Schuttl.Ex Benth On Proliferation Of Caco-2 Cell Line And Its Potential Mechanism, Zhong Xianfeng, Huang Guidong, Zhang Jiru, Zhang Yong, Hua Dong Dec 2015

Inhibiting Effect Of Stachyose From Stachys Floridana Schuttl.Ex Benth On Proliferation Of Caco-2 Cell Line And Its Potential Mechanism, Zhong Xianfeng, Huang Guidong, Zhang Jiru, Zhang Yong, Hua Dong

Food and Machinery

The inhibiting effect of stachyose from Stachys floridana Schuttl.ex Benth on the proliferation of Caco-2 cell line and its potential mechanism were investigated.Caco-2 cells were incubated in serum-free media, the inhibiting effect of stachyose on Caco-2 cell proliferation were analyzed by MTT assay and the apoptosis of Caco-2 cells were determined by flow cytometry, then cell damage degree was studied by the detection of LDH release rate. The results showed that stachyose inhibited the proliferation of Caco-2 cell lines in a dose- and time- dependent manner. After pretreatment with different concentrations of stachyose (0.5, 1, 2, 4 mmol/L), cell apoptosis …

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Effects Of Breaking Cell Wall On Rape Bee Pollen Treated With Pectinase Using Multi-Index Evaluation, Wang Kai, Ren Xiangnan, Dong Jie, Zhang Gensheng Dec 2015

Effects Of Breaking Cell Wall On Rape Bee Pollen Treated With Pectinase Using Multi-Index Evaluation, Wang Kai, Ren Xiangnan, Dong Jie, Zhang Gensheng

Food and Machinery

To improve wall-broken effects of bee pollen, rape bee pollen was selected as material and treated with pectinase in different pH and temperature. The effects of pectinase on rape bee pollen were evaluated by protein dispersion index, soluble sugar content, microscopic analysis and particle size distribution. The results demonstrated that pectinase hydrolysis could disintegrate the intine at the germinal apertures, the optimal conditions were pH 3.5 and temperature 50 ℃. Under optimal conditions, protein dispersion index was 0.684 6, and soluble sugar content was 24.86%. By microscopic analysis, some germinal apertures seemed apart and some little particles emerged. According to …

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Effects Of Drying Methods On Antioxidant Activities And Reducing Capacity Of Polysaccharides Extracted From Onchidium Struma, Cheng Zhiqing, Shen Heding, Yao Lixiang, Diao Ya Dec 2015

Effects Of Drying Methods On Antioxidant Activities And Reducing Capacity Of Polysaccharides Extracted From Onchidium Struma, Cheng Zhiqing, Shen Heding, Yao Lixiang, Diao Ya

Food and Machinery

The polysaccharide of Onchidium struma was extracted by using traditional hot water extraction and alcohol precipitation method，the influence of vacuum freeze drying and oven drying on the antioxidant activity of polysaccharides was investigated. The antioxidant activities of the polysaccharide was evaluated by scavenging DPPH free radical, hydroxyl free radical, surperoxide anion radical and sodium nitrite, and the total reducing capacity of polysaccharide was studied by spectrophotometric method. The results showed that the scavenging effect of freeze dried polysaccharide was stronger than the oven dried polysaccharide,the IC50 for scavenging activities against DPPH free radical, hydroxyl and sodium nitrite were 4.14, …

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Antioxidant Activity Of Capsaicin In Vitro, Liu An, Wang Zhen, Liu Linfeng, Xiang Yi, Xiao Wenjun Dec 2015

Antioxidant Activity Of Capsaicin In Vitro, Liu An, Wang Zhen, Liu Linfeng, Xiang Yi, Xiao Wenjun

Food and Machinery

The antioxidant activity of capsaicin was evaluated through building antioxidant experiment model in vitro, taking capsaicin monomer as standard sample, and Vc as the contrast. By analyzing the reducing power of capsaicin and scavenging experiments on the DPPH radical, superoxide anion radical (O-2·), nitroso and hydroxyl radical (·OH), discussed capsaicin the antioxidant properties. The results showed that: reducing power of capsaicin increased with mass concentration increasing, and the DPPH radical, nitroso and clearance rate of ·OH with mass concentration increasing, and the scavenging effect and Vc basically similar, but with lower clearance to O-2·; the clearance of capsaicin to DPPH·, …

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Ultrasonic-Assisted Two-Phase Aqueous Extraction And Antioxidant Activity Of Polyphenols From The Seed Of Synespalum Dulcificum, Ma Yidan, Liu Hong, Liao Xiaowei, Yan Ruixin, Qi Jinling Dec 2015

Ultrasonic-Assisted Two-Phase Aqueous Extraction And Antioxidant Activity Of Polyphenols From The Seed Of Synespalum Dulcificum, Ma Yidan, Liu Hong, Liao Xiaowei, Yan Ruixin, Qi Jinling

Food and Machinery

The seed of Synespalum dulcificum was untrasonified in the acetone-(NH4)2SO4 aqueous two-phase syetem to extract total polyphenils and different conditions for extraction of polyphenols antioxidant activity was investigated. Acetone was chosen as the best extraction solvent for this research. The acetone concentration, amount of the (NH4)2SO4, the ultrasonic time，extraction temperature, ratio of water to solid were discussed by the single factor experiment. The optimal extraction conditions were found to be: the concentration of acetone solution 50%, ultrasonic time 100 min and extraction temperature 60 ℃，ratio of water to solid …

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Study On Optimal Conditions For Extracting Alkaloids From Areca Catechu Based On Multistage Cross Flow Extraction, Gao Xiaoting, Yang Dawei, Jiang Chenfeng Dec 2015

Study On Optimal Conditions For Extracting Alkaloids From Areca Catechu Based On Multistage Cross Flow Extraction, Gao Xiaoting, Yang Dawei, Jiang Chenfeng

Food and Machinery

In order to optimize the extraction process of alkaloids from areca catechu, the alkaloids was extracted by varied extraction solvent systems from areca catechu shell and the optimal extraction solvent was explored. According to the theoretical formula of multistage cross flow extraction, solid to liquid ratio and extractive grades was designed. Based on the results of single-factor test, the effect of extraction temperature, extraction time, pH value on extraction rate were conducted by orthogonal test of interaction. The result showed that the extraction rate of alkaloids was 7.241 7 mg/g under the optimal conditions: taking water as the solvent, solid …

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Study On Process Conditions Of Superfine Grinding Modifying Insoluble Dietary Fiber From Potato Pulp, Zhang Gensheng, Ge Yingliang, Nie Zhiqiang, Yue Xiaoxia, Han Bing, Cheng Jianbo Dec 2015

Study On Process Conditions Of Superfine Grinding Modifying Insoluble Dietary Fiber From Potato Pulp, Zhang Gensheng, Ge Yingliang, Nie Zhiqiang, Yue Xiaoxia, Han Bing, Cheng Jianbo

Food and Machinery

Insoluble dietary fiber of potato slag was chosen to modify with superfine grinding using colloid mill. Inter-tooth space,of colloid mill, material-to-liquid ratio, treatment time are optimized by single-factor and orthogonal designed experiment and are defined with solubility process. Results shown optimum modified conditions of colloid mill: inter-tooth space 8.00 μm, 3 000 r/min for 5 min, material-to-liquid ratio 1∶60. Under these conditions, the solubility is 18.33%.

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Study On Combined Drying Technology Of Lotus Root Chips, Xing Fang, Wang Jianhui, He Xinyi, Wu Haiqing, Wu Jiali, Liu Pei Dec 2015

Study On Combined Drying Technology Of Lotus Root Chips, Xing Fang, Wang Jianhui, He Xinyi, Wu Haiqing, Wu Jiali, Liu Pei

Food and Machinery

To obtain the the processing technology of lotus root chips, taken lotus root as raw materials, the effects offreeze drying time, hot-air drying temperature and hot-air drying time on quality of lotus chips by combination of freeze drying and hot-air drying were explored. Experiment results indicated the optimized technological parameters of combined freeze dring and hot-air drying were freeze drying 4h, then hot-air drying at 50 ℃ for 2 h. At those conditions, the color value L*, a*, b* and hardness value of lotus root slices were 77.65, 0.96, 9.03 and 385.3 g, respectively. The results showed that combined drying …

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Influence Of Modified Attapulgite On Non-Biological Stability Of Beer, Shi Jinglue Dec 2015

Influence Of Modified Attapulgite On Non-Biological Stability Of Beer, Shi Jinglue

Food and Machinery

Report a study on the modification conditions of attapulgite towards improving its adsorption affinity and specificity of the chill haze protein in beer. Quantity of attapulgite added and adsorption time used were optimized using univariate and multivariate analysis with orthogonal parameter sets. Experiments conducted were focusing on the non-biological stability, foam stability and filtration performance of beer. Adsorption specificity test of the modified attapulgite with the chill haze protein in beer was also presented. An optimal condition for the modification was concluded that the attapulgite be heated at 303 ℃ for 2.54 h. With a quantity of 0.87 g/L added …

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Brewing Process Optimization Of Gordon Euryale Seed Wine, Li Yan, Lin Meiying, Li Yunsong Dec 2015

Brewing Process Optimization Of Gordon Euryale Seed Wine, Li Yan, Lin Meiying, Li Yunsong

Food and Machinery

The gordon euryale seed starch was hydrolyzed by α-amylase and glucoamylase to prepare starch syrup, and then the saccharomyces cerevisiae was added to prepare the health wine. The technology parameters were optimized by single factor and orthogonal experiments. And the optimal fermentation conditions were gotten. With the ratio of mass to water of 1︰10, the optimum liquefaction conditions were: addition of α-amylase of 0.4%, liquefaction temperature 70 ℃, and liquefaction time 60 min. The optimum saccharifying conditions were: addition of glucoamylase 0.5%, saccharifying temperature 60 ℃,and saccharifying time of 1 h. Under the saccharifying conditions, the sugar content of the …

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Optimization On Processing Of Trachinotus Ovatus Surimi Gel By Response Surface Methodology, Huang He, Wang Na, Chen Liang, Wu Wenlong Dec 2015

Optimization On Processing Of Trachinotus Ovatus Surimi Gel By Response Surface Methodology, Huang He, Wang Na, Chen Liang, Wu Wenlong

Food and Machinery

With Trachinotus ovatus surimi gel as the research object, using the fractional factorial experiment screened out five factors from the seven factors, such as rinsing time, rinsing times, mincing time and twice heating time, which had a great effect on the surimi gel strength and whiteness. And then through the steepest uphill test to approach the maximum response area of the 5 factors, the final optimized by central composite design response surface methodology, the optimal results showed that: the rinsing time was 3 min, rinsing 5 times, mincing time was 21 min, the first heating time was 10 min, second …

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Application Of Extrusion Technology For Preparing Defatted Black Soybean Meal Reconstituted Powder, Zhang Lin, Li Jianke, Ren Caixia, Sun Xuesi, Qin Lingxiang Dec 2015

Application Of Extrusion Technology For Preparing Defatted Black Soybean Meal Reconstituted Powder, Zhang Lin, Li Jianke, Ren Caixia, Sun Xuesi, Qin Lingxiang

Food and Machinery

The extruding and expanding experiment was studied with the black soybean meal as material, mixing corn starch by twin-screw extruder to make reconstituted powder, The best expanded technical parameters were determined, and studied the formula, the extrusion ratio, the reconstituability, the viscosity, the color of this powder flour. The optimal formula of the powder was as follows: black soybean meal 30%, corn starch 45%, sugar 15%, maltodextrin 10%, creamer 6%.

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Inactivation Of Escherichia Coli O157:H7 And Shiga Toxin Producing E. Coli (Stec) Throughout Beef Summer Sausage Production And The Use Of High Pressure Processing As An Alternative Intervention To Thermal Processing, Eric L. Oliver Dec 2015

Inactivation Of Escherichia Coli O157:H7 And Shiga Toxin Producing E. Coli (Stec) Throughout Beef Summer Sausage Production And The Use Of High Pressure Processing As An Alternative Intervention To Thermal Processing, Eric L. Oliver

Department of Food Science and Technology: Dissertations, Theses, and Student Research

Escherichia coli O157:H7 and six additional serogroups of Shiga Toxin-producing E. coli (STEC-7) have been implicated in foodborne illness outbreaks related to fermented sausage products and are considered adulterants by the USDA-FSIS. The objective of this study was to evaluate high pressure processing (HPP) as an alternative to thermal treatment to reduce STEC-7 meeting the USDA-FSIS performance standards (5.0-log reduction). A rifampicin-resistant, non-pathogenic E. coli (surrogate) cocktail, was used in manufacturing testing. Sausages were fermented at ~42.2°C, slowly increased to 54.4°C internal temperature, cold showered, and chilled for 6 hours. Sampling occurred post-fermentation (PF; pH 5.0), internal temperature 48.9°C (I-48.9°C), …

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Impacts Of Feedstock And Parboiling Conditions On Quality Characteristics Of Parboiled Rice, Kanokporn Leethanapanich Dec 2015

Impacts Of Feedstock And Parboiling Conditions On Quality Characteristics Of Parboiled Rice, Kanokporn Leethanapanich

Graduate Theses and Dissertations

Parboiling involves soaking, steaming, and drying, and is known to improve head rice yield (HRY), remove chalkiness, and retain nutrients. Because of an increasing number of rice cultivars developed, commingling of rice may happen during harvesting, distributing, or storage. Using commingled rice with a wide range of gelatinization temperatures (To) as a feedstock may cause inconsistent parboiled rice products. Therefore, this study was aimed at investigating the effect of soaking temperature and steaming duration on the quality of parboiled, commingled rice. Rough rice samples of individual or commingled rice cultivars with different To ranges were soaked at different temperatures (25, …

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A Simulation Platform For Accurate Prediction Of In-Bin Drying And Storage Of Rough Rice, Houmin Zhong Dec 2015

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 …

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Extraction, Purification And Characterization Of A Pure Peptide From Soybean To Demonstrate Anti-Proliferation Activity On Human Cancer Cells And Test The Ability Of Soy Peptide Fractions In Reducing The Activity Of Angiotensin-I Converting Enzyme, Srinivas Jairam Rayaprolu Dec 2015

Extraction, Purification And Characterization Of A Pure Peptide From Soybean To Demonstrate Anti-Proliferation Activity On Human Cancer Cells And Test The Ability Of Soy Peptide Fractions In Reducing The Activity Of Angiotensin-I Converting Enzyme, Srinivas Jairam Rayaprolu

Graduate Theses and Dissertations

Proteins are of major interest for nutritional value, functionality and sensory characteristics in foods, and biological activity as health-promoting ingredients. A large number of potential biological activities are encrypted within the primary structures of animal and plant proteins. This research has been based on utilizing a legume by-product, soybean meal, to obtain value-added protein products. Forty four Arkansas grown soybean lines were subjected to analysis for protein and amino acid (profile) content to select lines that have high protein attributes. Three soybean lines, R95-1705 (high yielding, non-transgenic and high protein), N98-445A and S03-543CR (bred for high oleic acid - monounsaturated …

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Microbial Safety, Shelf Life Stability, Quality Preservation, And Consumer Acceptance Of Vacuum-Infused, Irradiated Chicken Breast Meat Treated With Natural Plant Extracts And Organic Acids, Kenneth Franklin Over Dec 2015

Microbial Safety, Shelf Life Stability, Quality Preservation, And Consumer Acceptance Of Vacuum-Infused, Irradiated Chicken Breast Meat Treated With Natural Plant Extracts And Organic Acids, Kenneth Franklin Over

Graduate Theses and Dissertations

Contamination of poultry products with food borne pathogens is a consistently recurring problem in the United States and the world. Recalls associated with chicken contamination are responsible for considerable economic losses to the poultry industry. Many decontamination steps are currently in place to reduce the likelihood of contaminated products reaching the consumer, but despite these safeguards, contamination events are still uncomfortably frequent. Irradiation is a safe and effective means of ensuring the safety of both ready-to-cook and ready-to-eat poultry but is not utilized in the United States. This is due, in part, to certain irradiation dose-dependent quality characteristic defects associated …

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Composition Of Four Selected Arkansas-Grown Non-Gmo Soybean Cultivars And The Development Of High Protein Beverage Using A Selected Soybean Protein Hydrolysate, Quyen Tran Phuong Nguyen Dec 2015

Composition Of Four Selected Arkansas-Grown Non-Gmo Soybean Cultivars And The Development Of High Protein Beverage Using A Selected Soybean Protein Hydrolysate, Quyen Tran Phuong Nguyen

Graduate Theses and Dissertations

Protein beverages made with non-genetically modified (non-GM) ingredients have been in demand due to the increasing consumers’ interest in healthy eating habit. Beverages formulated with non-GM soy protein are rare in the United States market since 93% soybeans planted in U.S (2013) are labeled as GM. This study aimed to develop protein hydrolysate beverages using one cultivar among the four Arkansas grown non-GM soybean cultivars including Osage, R95-1705, R08-4004 and R05-4969. R08-4004 was selected since it had the highest amounts of the three branched amino acids including Phenylalanine (51.4 mg/g), Leucine (74.9 mg/g), and Isoleucine (49.7 mg/g) with lowest amount …

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The Future Of Farming In Capable And Small Hands: The Young Farmer’S Movement In Waterloo Region 1907-1924, Morgan Williams Nov 2015

The Future Of Farming In Capable And Small Hands: The Young Farmer’S Movement In Waterloo Region 1907-1924, Morgan Williams

Laurier Undergraduate Journal of the Arts

No abstract provided.

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Study On Food Nutrition Of Left-Behind Children By Latent Class Model, Zhang Zhenxia Oct 2015

Study On Food Nutrition Of Left-Behind Children By Latent Class Model, Zhang Zhenxia

Food and Machinery

The latent class model was used to study the special group of children who lacked food nutrition, the left behind children, and the effects were also studied, including the food nutritional status and the individuals genetic and the food and nutrition intake, mothers care, and basic medical and health services. Through research and analysis, two groups of children who were left behind were identified, the food nutrition malnutrition and the food nutrition condition good, and the proportion of malnourished children was higher with 69.4%. In the Two groups of left behind children, the main difference lies in the mother care, …

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Design And Research Of Fruit Detection And Grading Machine By Clamping Fruit Stems, Wang Yunxiang, Ma Benxue, Jia Yanting, Yang Jie Oct 2015

Design And Research Of Fruit Detection And Grading Machine By Clamping Fruit Stems, Wang Yunxiang, Ma Benxue, Jia Yanting, Yang Jie

Food and Machinery

No abstract provided.

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Design Of Starter-Making Process Control System Using Bidirectional Variable Frequency Vibration Pressing, Li Hong, Wang Wenle, Hua Yong Oct 2015

Design Of Starter-Making Process Control System Using Bidirectional Variable Frequency Vibration Pressing, Li Hong, Wang Wenle, Hua Yong

Food and Machinery

Based on the condition of lower mud extracting ability of starter making, developed a starter making method of rotary bidirectional variable frequency vibration pressing which is designed on Programmable Logic Controller(PLC), and the hardware and software design of PLC field controlling as well as host control system was achieved. The results showed that starter produced by this method had the advantage of density uniformity, good porosity, modest hardness, easy demoulding, smooth surface, exterior condition and full degree surface, and it also has an ideal effect on mud extracting.

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Reseach On Quality Changes During Fruit Development Of Chayote, Li Yu, Qin Wen, Du Xiaoqin, Liu Ji Oct 2015

Reseach On Quality Changes During Fruit Development Of Chayote, Li Yu, Qin Wen, Du Xiaoqin, Liu Ji

Food and Machinery

The changes of growth phase and quality indicators during different growth stages of chayote were measured and analyzed. The results indicated that the growth curve of chayote showed single sigmoid pattern and the trends of quality indicators were different with fruit development dynamics. Respiration rate decreased rapidly with fruit development and respiration peak appeared at maturity; the contents of Vc, chlorophyll and hydrolysis amino acids were higher during the young fruit development, then decreased to a low level; while cellulose content and hardness showed the opposite trends. The fruit had fully grown with higher content of amino acids, lower respiratory …

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Research Progress In Starch Modification By Heat Moisture Treatment, Liao Luyan, Wu Weiguo Oct 2015

Research Progress In Starch Modification By Heat Moisture Treatment, Liao Luyan, Wu Weiguo

Food and Machinery

The heat moisture treatment refers to the relative lower humidity and temperature in a certain time, and it is a physical modification method of starch properties change. This method costs lower and avoid the pollution by chemical modification, and achieve the purpose of improving starch specific features, which has been showing a good application prospect in modified starch. This paper introduces the effects on the starch structure and properties by heat moisture treatment in detail, and finally expounds the mechanism of the heat moisture treatment starch and the research progress in food applications.

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Effect Of Matrix On Glassy Carbohydrate Products Comprising Sweet Orange Oil, Chang Dawei, Liu Shuxing, Liu Ning Oct 2015

Effect Of Matrix On Glassy Carbohydrate Products Comprising Sweet Orange Oil, Chang Dawei, Liu Shuxing, Liu Ning

Food and Machinery

Encapsulation in glassy carbohydrates via extrusion is the low temperature technology and considered to be suitable for encapsulating heat-sensitive materials. The selection of matrix is the important factor. The temperatures of extruder barrel were T1 (65 ℃)，T2 (85 ℃)，T3 (105 ℃) and T4 (95 ℃). Screw speed was 60 r/min and the feeding speed was 1.2 kg/h. The effects of matrix including maltodextrin, maltodextrin added sucrose and maltodextrin added modified starch on the extrudates was investigated. The results showed that the extruded products were the glassy state. The glass transition temperature (Tg) of the …

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Application Of Rice Husk Lignin In The Polyurethane Foam, Shi Gang, Zhu Qinfu, Jiang Shuai, Zhang Xin, Ni Caihua, Li Ying Oct 2015

Application Of Rice Husk Lignin In The Polyurethane Foam, Shi Gang, Zhu Qinfu, Jiang Shuai, Zhang Xin, Ni Caihua, Li Ying

Food and Machinery

Due to the high-cost and non-renewable materials for producing polyurethane foam, the lignin of rice as raw material, partially substituting phenol, was to synthetize lignin polyurethane foam. Firstly, the lignin was extracted from rice through ethyl alcohol. Then, the lignin was modified by epoxy chloropropane to increase the number of hydroxyl groups. The modified lignin was readily soluble in the polyether polyol, and could replace part of polyether polyol to mix with isocyanate and other additives developing resource-efficient polyurethane foam. This study not only provides the feasible solution of producing lignin polyurethane foam, but also makes effective use of agricultural …

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Effect Of Xanthan On Gelling Properties Of Myofibrillar Protein-Soy Protein Composite With Various Salt Levels, Lin Yuhui, Li Pengpeng, He Zhiyong, Qin Fang, Wu Shengfang, Chen Jie Oct 2015

Effect Of Xanthan On Gelling Properties Of Myofibrillar Protein-Soy Protein Composite With Various Salt Levels, Lin Yuhui, Li Pengpeng, He Zhiyong, Qin Fang, Wu Shengfang, Chen Jie

Food and Machinery

No abstract provided.

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Influence Of Protein And Starch On Commercial Cigarette Sensory Quality By Partial Least Square Regression, Su Jiakun, Luo Juanmin, Xu Da, Zhao Juan, Shen Ning, Yu Jingyang, Xia Shuqin, Cai Jibao, Zhang Xiaoming Oct 2015

Influence Of Protein And Starch On Commercial Cigarette Sensory Quality By Partial Least Square Regression, Su Jiakun, Luo Juanmin, Xu Da, Zhao Juan, Shen Ning, Yu Jingyang, Xia Shuqin, Cai Jibao, Zhang Xiaoming

Food and Machinery

The Partial Least Square Regression (PLSR) analysis was used to study the specific influence of protein and starch contents on sensory quality of 10 different kinds of commercial cigarettes. The results showed that there were significant negative correlation between protein, starch and astringency, throat irritation, nasal irritation, indicating that the lower protein and starch content in tobacco, the lower astringency, throat irritation, nasal irritation and higher sensory quality.

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Optimization On Tobacco Powder Extracts By Maillard Reaction, Li Xinqin, Zhang Jing, Tian Zhaofu, Li Zhihua, Zhang Peng, Bai Jiafeng, Yu Jingyang, Long Zhangde, Zhang Xiaoming Oct 2015

Optimization On Tobacco Powder Extracts By Maillard Reaction, Li Xinqin, Zhang Jing, Tian Zhaofu, Li Zhihua, Zhang Peng, Bai Jiafeng, Yu Jingyang, Long Zhangde, Zhang Xiaoming

Food and Machinery

Different kinds of amino acids and saccharides were added to the concentrated tobacco extract for Maillard reaction. Based on the results of single factor tests, the optimized reaction conditions were as follows: ratio of xylose to glycine 2∶1(m∶m), xylose addition 6%, initial pH 6.5, reaction temperature 100 ℃, reaction time 3 h. The evaluation results demonstrated that the toast aroma of Maillard reaction products of xylose and glycine was enhanced significantly, and accompanied by significant reduction of offensive odor and wood. Furthermore, the flavor of product got well improved.The method of SPME was chosen to extract the volatile compounds of …

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