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Food Processing Commons

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2017

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Articles 181 - 210 of 586

Full-Text Articles in Food Processing

Extraction Optimization Of Enzyme Hydrolysis Method And Gc-Ms Analysis On Oleoresin From Zanthoxylum, Chai Liqin, Yuan Hong, Wang Lixia, Lu Yuehong, Tian Chengrui Sep 2017

Extraction Optimization Of Enzyme Hydrolysis Method And Gc-Ms Analysis On Oleoresin From Zanthoxylum, Chai Liqin, Yuan Hong, Wang Lixia, Lu Yuehong, Tian Chengrui

Food and Machinery

Zanthoxylum was used as the material. Combined cellulase hydrolysis with response surface method to optimize the Zanthoxylum oleoresin (Z瘙簚oleoresin) extraction process. Results showed that the optimum extraction conditions of Z瘙簚oleoresin as follows: 50% ethanol as extractant, cellulase dosage was 62.3 mg/L, enzymolysis time was 2.3 h, enzymolysis temperature was 50 ℃, liquid ratio was 47.41(mL/g). In this condition, the extraction efficiency of Z瘙簚oleoresin was 37.22%. A total of 47 compounds were identified by gas chromatography-mass spectrometry (GC-MS). Main ingredients were D-limonene, linalool, lauricacid, limonene glycol, alpha-terpineol, ascaridole, citronellyl myristate, xanthoxylin, etc.


Effect Of Low Temperature Hydrostatic Thawing On The Quality Of Chicken Breast, Zhang Gensheng, Zhang Honglei, Yue Xiaoxia, Wang Rui, Chi Tianqi Sep 2017

Effect Of Low Temperature Hydrostatic Thawing On The Quality Of Chicken Breast, Zhang Gensheng, Zhang Honglei, Yue Xiaoxia, Wang Rui, Chi Tianqi

Food and Machinery

The effects of different hydrostatic thawing temperatures on the quality characteristics of the packed and unpacked frozen chicken breasts by measuring the total texture, shear stress, flesh color, cooking loss, total protein content, pH, TVB-N, and TBARS values. The results showed that the quality of the packed frozen chicken breast after hydrostatic thawing at low temperature was better than the unpacked one. Compared to thawing at other temperature, the shear strength of chicken breast thawing at 12 ℃ was closer to the shear strength of fresh chicken breast, and the total numbers of colony as well as the degree of …


Optimization On Ultrasonic Sugar Permeability Process And Comparative Analysis Of Textural Properties Of Peony Preserves, Li Ning, Zhu Wenxue, Bai Xiting, Ma Yitong Sep 2017

Optimization On Ultrasonic Sugar Permeability Process And Comparative Analysis Of Textural Properties Of Peony Preserves, Li Ning, Zhu Wenxue, Bai Xiting, Ma Yitong

Food and Machinery

In order to maximize the utilization of the peony resources, the fresh peony was used as the raw material, and the enhanced mass transfer characteristics of ultrasonic wave were used to prepare the peony preserves, then texture analysis was implemented to study the effect of ultrasound on the process of sugar permeability. Taking sugar content as the research index, the optimum process was as follows: ultrasonic power 110 W, time 40 min, sucrose concentra-tion 40%, and sugar content of sugar cane was 32.96%. The rate of sugar permeation was increased. The results of texture profile analysis (TPA) showed that the …


Purificationof Flavonoids From Artemisia Selengensis Leaves And Prepareation Bake Healthy Biscuits With The Flavonoids, Lu Yongling, Wang Chen, Liang Yuli, Zhu Kun, Zhu Xiaoyi, Guo Hongmei, Lu Lishuang Sep 2017

Purificationof Flavonoids From Artemisia Selengensis Leaves And Prepareation Bake Healthy Biscuits With The Flavonoids, Lu Yongling, Wang Chen, Liang Yuli, Zhu Kun, Zhu Xiaoyi, Guo Hongmei, Lu Lishuang

Food and Machinery

Flavonoids from Artemisia selengensis leaves were enriched by macro-porous resin NKA-2 that was chosen by comparing the static adsorption and desorption properties among 16 kinds of resins. As a result, the peak yield and purity of flavonoids can reach 38.56% and 67.80% respectively, when using 20% ethanol as eluent.Those natural extractions gained from Artemisia selengensis leaves were added into flour to produce a kind of healthy biscuits, and this study would further determine the optimal formula of those healthy biscuits with two different flavors by exploring biscuit recipes and producing processes.


The Process Optimization And Its Aroma Ingredients Of Durian Wine, Bu Jianzhen, Yu Limei, Zeng Xiaofang, Lin Shaoting Sep 2017

The Process Optimization And Its Aroma Ingredients Of Durian Wine, Bu Jianzhen, Yu Limei, Zeng Xiaofang, Lin Shaoting

Food and Machinery

The fermentation process parameters of durian fruit were optimized based on yeast addition amount, initial sugar, SO2 and pH value. The aroma substances from durian fruit wine were also analyzed by adopting the gas chromatography and mass spectrometry (GC-MS) detection. The results showed that the optimum process conditions of durian wine as follows: initial sugar concentration was 28%, the amount of yeast was 0.7%, and the concentration of sulfur dioxide was 60 mg/L, pH 3.6. The aroma components from durian fruit wine included 22 kinds of aroma components, and most of them were esters.


Effects Of Water-Unextractable Arabinoxylans On The Qualities Of Traditional Chinese Youtiao, Wang Weishi, Zhang Junhui, Li Ling, Fan Mingcong, Wang Li, Qian Haifeng, Li Yan, Zhang Hui, Qi Xiguang Sep 2017

Effects Of Water-Unextractable Arabinoxylans On The Qualities Of Traditional Chinese Youtiao, Wang Weishi, Zhang Junhui, Li Ling, Fan Mingcong, Wang Li, Qian Haifeng, Li Yan, Zhang Hui, Qi Xiguang

Food and Machinery

The effects of water-unextractable arabinoxylans (WUAX) on the properties of the dough and the final qualities of traditional Chinese Youtiao were investigated. For Youtiao mixed powder, the water holding capacity had been improved, the change of gelatinization temperature was not significant and peak viscosity fell from 2,222.67 to 2,053.00 mPa·s. The farinographic properties of Youtiao dough was slightly affected by extra WUAX, except that the water absorption increased from 56.77% to 64.93%. The extensographic properties varied complexly at different proofing time. The SEM microstructure of dough showed that the uniform starch granule structure could not be formed in youtiao dough …


Synthesis Of Acetylated Acetylated Cellulos Materials And Application In Reducing Aldehydes In Cigarette Mainstream Smoke, Qi Haiying, Li Guozheng, Zhou Hao, Qiu Jianhua, Li Chunguang, Song Weimin Sep 2017

Synthesis Of Acetylated Acetylated Cellulos Materials And Application In Reducing Aldehydes In Cigarette Mainstream Smoke, Qi Haiying, Li Guozheng, Zhou Hao, Qiu Jianhua, Li Chunguang, Song Weimin

Food and Machinery

In order to selectively reduce the release amount of aldehyde compounds in mainstream cigarette smoke, the acetylated acetylated cellulose was synthesized on the base of microcrystalline cellulose. According to the aldehyde reduction effect, the synthesis conditions were optimized, and then the synthesized material were added in the cigarette filter tip.Results (1) The optimum synthesis conditions of acetylated acetylated cellulose were: cellulose ion concentration 5%, derivatization reagent molar ratio of diketenecellulose=21, the reaction time 3 h, reaction temperature 110 ℃, DMAP as catalyst. (2) When the acetylated acetylated cellulose material were added a dual-filter of cigarette at the amount of 30 …


Effects Of Stem Morphology On Processing And Comprehensive Quality Of Slim Cigarettes, Ding Meizhou, Liu Huan, Liu Qiang, Li Quansheng, Li Longfei, Zhao Le, Wang Haibin, Wang Hongbo Sep 2017

Effects Of Stem Morphology On Processing And Comprehensive Quality Of Slim Cigarettes, Ding Meizhou, Liu Huan, Liu Qiang, Li Quansheng, Li Longfei, Zhao Le, Wang Haibin, Wang Hongbo

Food and Machinery

In order to study the blending effect of different stem morphology with leaf silk and understand the influence of different stem morphology on the comprehensive quality of slim cigarette, the mixing uniformity of filamentary and flake stems with leaf silk in processing were compared. Moreover, the influence of two kinds of stems on the quality stability of cigarette physical, smoke, sensory and combustion were investigated. The results showed that, compared with the flake stem, filamentary stem blending with leaf silk had higher mixing uniformity and good stability in the process of mixed silk and rolling. The physical quality of slim …


The Application Of Modern Biotechnology In Food Inspection, Liu Chonghui, Fan Yuchuan, Xu Mingyu, Wei Tao Sep 2017

The Application Of Modern Biotechnology In Food Inspection, Liu Chonghui, Fan Yuchuan, Xu Mingyu, Wei Tao

Food and Machinery

As the modern biological technology has such advantages as strong specificity, high sensitivity and accuracy in detection,it has good application prospect in food inspection. In this paper, discuss and study the application of biological sensor technology, the biochip technology, the ELISA (ELISA) and the PCR in the field of food inspection so as to provide some references for the food test in the future.


The Influence Of Media Supervision On Food Safety Administration, Xiong Shouyao, Du Zhiwei, Cao Yu, Ning Jingheng, Chen Qijie, Wang Jianhui Sep 2017

The Influence Of Media Supervision On Food Safety Administration, Xiong Shouyao, Du Zhiwei, Cao Yu, Ning Jingheng, Chen Qijie, Wang Jianhui

Food and Machinery

With the development of media, the role of media in the supervision of food safety industry is becoming more and more important, and the impact of media to the subject of supervision and regulation is also growing. Based on the existing literature, this paper elaborates the influence of media regulation on consumers, enterprises and government. To consumers, the media regulation can transmit food safety knowledge and improve the bad condition of information asymmetry; to government, the media regulation can make up the shortages of the government supervision; to enterprises, the media regulation can improve their production behavior. However, the media …


Research And Practice Of Improving Students' Innovative Ability Of Food Discipline By Multidisciplinary Cross, Ma Haile Sep 2017

Research And Practice Of Improving Students' Innovative Ability Of Food Discipline By Multidisciplinary Cross, Ma Haile

Food and Machinery

It plays an important role in domestic and foreign higher education to use advantages of multi disciplines to cultivate students' innovation ability. Facing the problems existing in food science talent cultivation in our country, paying attention to the knowledge and neglect to cultivation of students' innovative ability, combining the characteristics of the food science, this review presented some research and practice of Jiangsu University in food science students' innovation ability training from food science crossing with engineering, physics and medicine.


Miller, Carl William (Fa 1063), Manuscripts & Folklife Archives Sep 2017

Miller, Carl William (Fa 1063), Manuscripts & Folklife Archives

Folklife Archives Finding Aids

Finding aid only for Folklife Archives Project 1063. Paper titled “Butchering and Rendering: Now and Then” in which Carl Miller describes the lengthy hog butchering process from slaughtering to wrapping and freezing. Paper is based on information collected by Miller from Buddy Crabtree, a butcher in Smiths Grove, Kentucky.


The Gmo/Ge Debate, Joanna K. Sax Sep 2017

The Gmo/Ge Debate, Joanna K. Sax

Texas A&M Law Review

We live longer and healthier lives because advances in science create easier and better ways to sustain and survive. Society has an intricate relationship with biotechnology. Vaccines save lives. Fluoridated water decreases dental issues. Antibiotics treat bacterial infections. Nuclear power is a form of clean energy. With any emerging technology, the benefits do not exist in a vacuum, thus, negative consequences result as well. Our widespread uses of antibiotics are creating antibiotic-resistant strains of bacteria. Our research into nuclear energy also facilitated the creation of nuclear bombs. Perhaps it is human nature to use scientific advances for good and for …


Recognizing Challenges And Opportunities In The Quest To End Hunger, Jennifer Williams Zwagerman Sep 2017

Recognizing Challenges And Opportunities In The Quest To End Hunger, Jennifer Williams Zwagerman

Texas A&M Law Review

As an attorney and professor that does not focus on intellectual property law, I was a bit apprehensive about providing a keynote address for a Symposium focusing on “Agriculture, Intellectual Property, and Feeding the World in the 21st Century.” As I thought about this topic, knowing that there were other speakers who would focus more on the IP issues and technical aspects of various topics, I kept coming back to the importance of technology as we worktowards the goal of feeding the world, and the many ways in which innovation plays a role in meeting that goal. It also brought …


Young, Larry (Fa 1058), Manuscripts & Folklife Archives Sep 2017

Young, Larry (Fa 1058), Manuscripts & Folklife Archives

Folklife Archives Finding Aids

Finding aid only for Folklife Archives Project 1058. Paper titled “Hog Killing and Cutting Process” in which Larry Young discusses the process of slaughtering and butchering hogs on farms in Green County and Taylor County in Kentucky. He interviewed three men, one of whom was his father, about the process they used for processing pork on their farms and how they learned their techniques. The collection contains photos of the informants.


Effect Of Different Content Of Potato Granule On The Quality Of Flour And Dried Noodle Mixed With Potato And Wheat, Zeng Xike, Zhang Lilin, Liu Jingfeng, Zhang Yu Aug 2017

Effect Of Different Content Of Potato Granule On The Quality Of Flour And Dried Noodle Mixed With Potato And Wheat, Zeng Xike, Zhang Lilin, Liu Jingfeng, Zhang Yu

Food and Machinery

By adding potato granule with different proportions in wheat flour, the farinograph properties, gelatinization characteristics of the mixed flour, and the cooking characteristics and texture characteristics of dried noodles were measured to evaluate the effect of potato granule on the quality of wheat flour and noodles. The results showed that the values of peak viscosity, valley viscosity, breakdown, final viscosity and setback decreased with increasing addition of potato granule; the dough development time, stability time and degree of softening first decreased and then increased, and the water absorption increased linearly. The cooking loss, the best cooking time of dried noodles …


Optimization Of The Technology For Reducing Cadmium In Rice By Mixed Fermentation, Chen Yao, Liao Luyan, Wu Weiguo Aug 2017

Optimization Of The Technology For Reducing Cadmium In Rice By Mixed Fermentation, Chen Yao, Liao Luyan, Wu Weiguo

Food and Machinery

Rice with cadmium content of 0.977 8 mg/kg was studied as the main material, its cadmium removal rate was regard as the basic measuring index. The process parameters of reducing techniques for cadmium-tainted rice were optimized by single factor test and Box-behnken response surface design. The investigation were focused on the effects of temperature, time, mesh number of rice, solid-liquid ratio, and inoculation amount. The optimal parameters were found as follows: mesh number of rice 40, inoculation amount 3, solid-liquid ratio 15, treated at 37 ℃ for 21 h. Under this optimum conditions, the cadmium removal rate was 89.98%, which …


Uncertainty Evaluation For The Determination Of Solvent Residual In Vegetable Oil By Headspace Gas Chromatography And Ultrasonic Vibration-Headspace Gas Chromatography, Zhang Hongli, Xu Junhua, Xu Wenyang, Li Yong Aug 2017

Uncertainty Evaluation For The Determination Of Solvent Residual In Vegetable Oil By Headspace Gas Chromatography And Ultrasonic Vibration-Headspace Gas Chromatography, Zhang Hongli, Xu Junhua, Xu Wenyang, Li Yong

Food and Machinery

The possible uncertainties in the determination of No.6 solvent residual in vegetable oil by headspace gas chromatography and ultrsonic vibration-headspace gas chromatography were analyzed and evaluated. According to Evaluation and Expression of Uncertainty in Measurement (JJF 1059.1—2012) and Guidance on Evaluating the Uncertainty in Chemical Analysis (CNAS-GL06), a mathematical model of uncertainty was established. To quantify each component, the results showed that the key influence factor of uncertainty of test was the pretreatment of samples and its standard curve.


Design Of The Rectifying Fuzzy Control System Of The Bag Film Of Pouch Pecan Kernel Packaging Machine, Hu Wangyang, Cao Chengmao, Wu Zhengmin, Jiang Lan, Hu Mengke Aug 2017

Design Of The Rectifying Fuzzy Control System Of The Bag Film Of Pouch Pecan Kernel Packaging Machine, Hu Wangyang, Cao Chengmao, Wu Zhengmin, Jiang Lan, Hu Mengke

Food and Machinery

In order to reduce the influence on the appearance and quality of production on the pecan kernel pouch packaging machine, caused by bag film deviation, we proposed an intelligent control scheme based on fuzzy control. Firstly, the reasons of bag film deviation and the rectification feasibility in the working process of the film-drawing mechanism was analyzed. Furthermore, a model of deviation correction control was designed to detect the offset of the bag film by using the CCD sensor, and the fuzzy control rules were established to adjust the film-drawing velocity and the deviation angle of correcting rod in real time. …


Design And Analysis For Key Parts Of Pneumatic Conveying Of Airflow Disturbance, Wang Jihuan, Liu Qijue Aug 2017

Design And Analysis For Key Parts Of Pneumatic Conveying Of Airflow Disturbance, Wang Jihuan, Liu Qijue

Food and Machinery

According to the actual situation of higher energy consumption, as well as the greater fluctuations of yield and unstable feed quantity of suction nozzle in pneumatic conveying, the mechanism of airflow disturbance was analyzed. The grain suction nozzle of airflow disturbance was designed by using return air of positive pressure of pneumatic conveying as disturbed gas source, which could increase mixture between grain and airflow of grain inlet, by helping grain entering system and energy transmitting as well as converting. The use of separator of large curvature elbow had advantages of one wind multipurpose, including anti-collision, anti-broken, dust removal, energy …


Study On A New Metal Detector, Huang Jian Aug 2017

Study On A New Metal Detector, Huang Jian

Food and Machinery

A new metal detector was designed, using LDC1000 digital inductance sensor and self-made coil as the metal detection sensor, based on eddy current principle. When the metal near the coil, caused by the mutual inductance, the LC oscillation circuit’s frequency changed, and the changed frequency could be converted to the digital output data. Furthermore, the data could be sent to STM32 for process and display, through the SPI interface. When the test value exceed threshold value, it could cause sound and light alarm. The test metal could detect 0.6 mm diameter of thin wire, and it might be used to …


Study On Different Water Addition Changes In The Quality And Structure Of Fermented Dry Beans, Liu Chucen, Tan Xinghe, Zhang Chunyan, Wang Feng, Guo Hongying, Li Qingming, Zhou Hongli, Liu Zongmin, Wang Lanshu, Yan Qinwu Aug 2017

Study On Different Water Addition Changes In The Quality And Structure Of Fermented Dry Beans, Liu Chucen, Tan Xinghe, Zhang Chunyan, Wang Feng, Guo Hongying, Li Qingming, Zhou Hongli, Liu Zongmin, Wang Lanshu, Yan Qinwu

Food and Machinery

This paper used dried cowpea as materials to study the different proportion of water which effected the quality of cowpea with wild fermentation method. The results showed that, during the fermentation process, with the addition of water, the cowpea’s pH value decreased. The total acid content increased with the water addition except when the amount of water was 12%. The peak of nitrite was slower and lower than others when proportion of water was 16% and 20%. The content of volatile ester increased firstly, then keep invariability. And the content of volatile ester was higher than the proportion of water …


Optimizing The Process Of Microwave Combined With Water Bath Sterilization Of High Quality Pickled Mustard, Zhao Dan, Liu Xiong, Zhang Lei, Zhao Tiantian, Tian Junqing, Li Chaosheng Aug 2017

Optimizing The Process Of Microwave Combined With Water Bath Sterilization Of High Quality Pickled Mustard, Zhao Dan, Liu Xiong, Zhang Lei, Zhao Tiantian, Tian Junqing, Li Chaosheng

Food and Machinery

The influence factors of different microwave power, temperature and time, water bath time, and packed weight in pickled mustard were investigated based on single factor test with the hardness, color variation as comprehensive scores. Regression equation was established to figure out the optimal solution. The Result showed that optimum sterilization conditions were figured out as follows. 100 g packed pickled mustard were processed by microwave for 3 min at 71 ℃ with power 1 080 W, combined with water bathing for 1 min. The technology of microwave assisted water bath sterilization could be applied in pickled mustard sterilization. This process …


Research Progresses Of Intervention Strategies For Reducing Vibrio Parahaemolyticus In Seafood, Quan Qinguo, Mo Rijian, Tan Li, Yan Xiemin, Su Tiantian, Zhou Chunxia, Hong Pengzhi, Li Chengyong Aug 2017

Research Progresses Of Intervention Strategies For Reducing Vibrio Parahaemolyticus In Seafood, Quan Qinguo, Mo Rijian, Tan Li, Yan Xiemin, Su Tiantian, Zhou Chunxia, Hong Pengzhi, Li Chengyong

Food and Machinery

Vibrio parahaeomolyticus, a natural inhabitant in estuarine marine water has been frequently isolated from seafood, and causes huge economic losses. It has been recognized as the leading causative agent for seafood borne illness all over the world. Numerous physical, chemical, and biological intervention methods for reducing V. parahaeomolyticus in seafood products have been investigated and practiced. Each intervention method has distinct advantages and disadvantages depending on the processing needs and consumer preference. This review provides a comprehensive overview of various intervention strategies for reducing V. parahaeomolyticus in seafood so as to give a reference to the application of related technology …


Effect Of Ferulic Acid And Caffeic Acid On Acrylamide Formation And Elimination, Wu Haojie, Yu Miao, Huang Caihuan, Ou Shiyi Aug 2017

Effect Of Ferulic Acid And Caffeic Acid On Acrylamide Formation And Elimination, Wu Haojie, Yu Miao, Huang Caihuan, Ou Shiyi

Food and Machinery

In this study, caffeic and ferulic acids were used to test the effect on acrylamide formation and elimination in model reaction systems. In asparagine/glucose reaction system, addition of caffeic and ferulic acid at the concentration of 25 mmol/L and 250 mmol/L inhibited acrylamide formation. However, they increased acrylamide formation below 2.5 mmol/L. It was found that both of phenolic acids increased acrylamide elimination when ferulic acid or caffeic acid were heated with acrylamide, but the effect is not obvious, so effect of caffeic acid and ferulic acid influenced on acrylamide content in Maillard reaction system mainly influence on acrylamide formation …


The Influence Of Purple Potato Starch On Bread Flour Rheology Properities And Gelatinization Characteristics, He Zhaowei, Liu Xiong, Zhao Tiantian, Shu Yuanfeng Aug 2017

The Influence Of Purple Potato Starch On Bread Flour Rheology Properities And Gelatinization Characteristics, He Zhaowei, Liu Xiong, Zhao Tiantian, Shu Yuanfeng

Food and Machinery

This study aimed at the effects of purple sweet potato powder (PSP) with different amounts (namely null, 5%, 10%,15% and 20%) on the rheological properties and pasting properties of dough tested by farinograph, extensograph, and rapid viscosity analyzer. The results showed that addition of PSP significantly influenced the properties of a dough. With the increase of PSP, the rheological properties and gelatinization properties of the dough were improved, which means PSP could lessen the gluten thews and inhibit the gelatinization and expansion process of wheat dough. However, the PSP could rise the bibulous rates, and reduce retrogradation value, which could …


Effect Of High Pressure Homogenization And Colloid Mill Modification On The Physicochemical Properties Of Insoluble Dietary Fiber From Olive Pomace, Ding Shasha, Huang Lixin, Zhang Caihong, Xie Pujun, Deng Yejun, Wang Xiaojie Aug 2017

Effect Of High Pressure Homogenization And Colloid Mill Modification On The Physicochemical Properties Of Insoluble Dietary Fiber From Olive Pomace, Ding Shasha, Huang Lixin, Zhang Caihong, Xie Pujun, Deng Yejun, Wang Xiaojie

Food and Machinery

Olive pomace IDF were physical modified by high pressure homogenization (HPH) and colloid mill (CM) in this study. Moreover, the micromorphology, particle size distribution, functional groups, crystal structure and physico-chemical properties of IDF before and after the modification were analyzed. HPH group had looser morphology, more cavities and cracks, average particle size of 66.97 μm. CM group had looser morphology, more fracture, average particle size of 79.52 μm. HPH and CM modification didn’t affect IDF’s functional groups, crystal structure or crystallinity. HPH and CM groups similarly appeared characteristics absorption peaks of sugars similarly, both had celluloseⅠcrystal structure. Compared with unmodified …


Effect Of Preparation Method On Physical And Chemical Properties Of Indica Rice Resistant Starch Of Type Rs3, Ouyang Mengyun, Wang Yan, Zhao Chuanwen Aug 2017

Effect Of Preparation Method On Physical And Chemical Properties Of Indica Rice Resistant Starch Of Type Rs3, Ouyang Mengyun, Wang Yan, Zhao Chuanwen

Food and Machinery

The indica starch pregelatinized by microwave as raw material, the effect of ultrasonic auxiliary-dual enzyme method and seed induced-dual enzyme method on the structure and physicochemical properties of indica rice resistant starch of type RS3 were researched in this study. The results showed that the structure of the raw starch was polyhedron, the edge of the surface was distinct, the crystal form was type A, and the crystallinity was only 8.9%. While the structure of RS3 were made by ultrasonic auxiliary-dual enzyme method and seed induced-dual enzyme method became rough and uneven, the solubility, swelling degree and water …


The Strengthening Of Faint-Scent Cigarettes Style Characteristic, Yin Fei, Yu Jingyang, Zhang Xiaoming Aug 2017

The Strengthening Of Faint-Scent Cigarettes Style Characteristic, Yin Fei, Yu Jingyang, Zhang Xiaoming

Food and Machinery

In this paper, the brand of faint-scent cigarette was as the object. Firstly, the blank, cigarette added fragrances and end product cigarette were conducted sensory evaluation, respectively. The results showed that the cigarette added fragrances has a significantly increase in all aspects, approaching the end product cigarette. However, there is some defectiveness in faint-scent, potpourri and sweet and sour properties. Secondly, the analysis of volatile compounds of tobaccos from added fragrances and end product cigarettes were analyzed by GC-MS. And the results showed that 27 compositions were not detected in cigarettes added fragrances and most of these ingredients have floral …


Breeding Of Low-Permeability Sensitive Mutant From Saccharomyces Cerevisiae, Ye Jing, Yue Xijie, Jiang Xuewei, Luo Xiaoming, Chen Daiwen, Wu Jian, Li Chiling Aug 2017

Breeding Of Low-Permeability Sensitive Mutant From Saccharomyces Cerevisiae, Ye Jing, Yue Xijie, Jiang Xuewei, Luo Xiaoming, Chen Daiwen, Wu Jian, Li Chiling

Food and Machinery

In order to improve the efficient secretion of intracellular product in Saccharomyces cerevisiae, wild diploid Y1 (2n) were mutagenized with UV treatment as original strain. To further identify, the degree of autolysis of each mutant strain was contrasted in low permeability condition by the test of its content of FDP, extra-cellular nucleic acids and proteins. The results showed: Hs5*(n)showed the highest degree of conditional autolysis in low permeability condition, the concentration of FDP in extracellular environment was 25.81 μg/mL. At the sixth hour in low permeability, its penetration rate of nucleic acid and protein in extracellular environment …