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Articles 4741 - 4770 of 5782

Full-Text Articles in Food Processing

Optimization On Freezing Concentration Of Aqueos Extracts From Anoectochilus Roxburghii Rhizome, Wang Wencheng, Chen Meiying, Chen Jinquan May 2016

Optimization On Freezing Concentration Of Aqueos Extracts From Anoectochilus Roxburghii Rhizome, Wang Wencheng, Chen Meiying, Chen Jinquan

Food and Machinery

The freezing concentration of aqueos extracts feom the residual rhizome of Anoectochilus roxburghii has been investigated. The loss rate caused by entrainment of ice crystals and the rate of the freezing concentration were selected as the evaluation indexes to design the optimization of processing by the response surface methodology. The experimental results showed that the most ideal process were as the followed: the temperature difference between refrigerant and concentration 5 ℃, scraper speed 45 r/min, and freeze concentration time, 13.5 h. Under the conditions, the loss rate caused by entrainment o f ice crystals was 0.891 0% and the rate …

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Optimization Of Extraction Of Total Flavonoids From Water Caltrop Pericarp, Liu Dongmin, Wang Jianhui, Liu Yongle, Tan Li, Wang Bin May 2016

Optimization Of Extraction Of Total Flavonoids From Water Caltrop Pericarp, Liu Dongmin, Wang Jianhui, Liu Yongle, Tan Li, Wang Bin

Food and Machinery

In order to optimize ultrasonic-assisted extraction of flavonoids from water caltrop pericarp, response surface methodology was used to acquire regression models for optimization of extraction temperature, extraction time and ethanol concentration based on single factor investigations. The results showed that this model reflected good relationship of the flavonoids yield and these factors. The optimal conditions for achieving the high extraction yield of flavonoids were temperature of 71.77 ℃, time of 37.96 min and ethanol concentration of 51.82%. Under the optimum conditions, the extraction yield of flavonoids reached 5.61% and fitted the models well. The obtained model could be used for …

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Preparation And Process Optimization Of Hot-Air Drying Instant Wonton, Huang Min, Dong Qingliang, Zheng Jianxian May 2016

Preparation And Process Optimization Of Hot-Air Drying Instant Wonton, Huang Min, Dong Qingliang, Zheng Jianxian

Food and Machinery

Instant wonton was prepared from wheat flour by hot-air drying on the basis of optimization by single factor on the dough recipe. And the orthogonal method was used to investigate the influence of monoglycerides, sucrose ester and composite phosphate on the rehydration rate, cooking lose rate and sensory evaluation. Meanwhile, response surface method was applied to optimize the steamed time, drying time and rehydration time in response to sensory evaluation. The results showed that the optimal dough recipe of instant wonton was: water of 42%, salt of 1%, wheat gluten of 9%; The optimal ratio of composite additives was: monoglycerides …

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Improving Quality Of Tobacco Sheets By Enzymolysis And Maillard Reaction, Long Zhangde, Zhang Peng, Xue Yun, Yu Jingyang, Huang Dongye, Wei Kang, Zhang Xiaoming, Li Zhihua May 2016

Improving Quality Of Tobacco Sheets By Enzymolysis And Maillard Reaction, Long Zhangde, Zhang Peng, Xue Yun, Yu Jingyang, Huang Dongye, Wei Kang, Zhang Xiaoming, Li Zhihua

Food and Machinery

The optimizedmaillard reaction products were obtained when amino acids,small peptides and fructose added into the concentrated tobacco extracts from pectinase and laccase enzymolysis. Commercial sheet used as the control, sensory evaluation and GC—MS—O were used to analyze the main aroma components in both tobacco sheets and smoke. The results demonstrated that compared with the control, many good aroma components increased in the treatment group, such as Damascenone increased 192.0% and megastigmatrienone1 increased 356.0%. Some unfavorable components in smoke decreased, 4-Vinylguaiaco1 was decreased 100%. In the treatment group, sensory evaluation score was also significantly improved, aroma abundant and harmony,baking aroma richer, …

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Studies On Development And Free Radical Scavenging Activity Of Grain Yogurt, Chen Xiaohua, Li Jianzhou, Wang Dongping May 2016

Studies On Development And Free Radical Scavenging Activity Of Grain Yogurt, Chen Xiaohua, Li Jianzhou, Wang Dongping

Food and Machinery

According to the principle of dynamic balance of plant and animal protein nutrition, the new grain yogurt was fermented by the black sesame, black bean and corn, and free radical scavenging activities of grain yogurt were detected by the method of scavenging activities of α, α-diphenyl-β-picrylhydrazyl (DPPH) radicals and hydroxyl radicals, which commercial yogurt and unfermented grain juice were used to be compared groups. The results showed that the optimum manufacturing process of the grain yogurt was 10 mL/100 mL black sesame juice, 13.3 mL/100 mL black bean juice, 13.3 mL/100 mL corn juice, 7.9 g/100 mL milk powder, 5 …

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Optimization Of Oil Extraction From Antarctic Krill Shell, Xu Yang, Jiang Qixing, Liu Fujun, Xu Yanshun, Li Jingru, Zhang Qingxiang, Xia Wenshui May 2016

Optimization Of Oil Extraction From Antarctic Krill Shell, Xu Yang, Jiang Qixing, Liu Fujun, Xu Yanshun, Li Jingru, Zhang Qingxiang, Xia Wenshui

Food and Machinery

The extraction of oil from Antarctickrill shell by organic solvent was studied in this paper.The effect of drying methods on krill oil qualities (Content of astaxanthin and acid value) were studied. In addition, the yield of oil, phospholipids, and astaxanthinwere compared while different extrantsolvents were used. Oil extracted from raw material processed by Freeze-drying hadthe highest astaxanthin content and the lowest acid value which made this method the best choice. When 95% ethanol was used, there were the highest yeild of krill oil, phospholipid and astaxanthin.With orthogonal experiment, the influence of material particle size, extraction temperature, extraction time, solid/liquid ratio …

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A Review Of Production Technology And Equipment Of Dried Chinese Noodle, Liu Rui, Zhang Yingquan, Wu Liang, Xing Yanan, Wei Yimin May 2016

A Review Of Production Technology And Equipment Of Dried Chinese Noodle, Liu Rui, Zhang Yingquan, Wu Liang, Xing Yanan, Wei Yimin

Food and Machinery

The level of process and production equipment of dried Chinese noodle already has the characteristics of the modern food industry. This paper systematically states the dried noodle producing process and main technological parameters. And the characteristics and application of various types of equipments were also introduced. Furthermore, the main factors affecting noodle quality were analyzed. Finally, the development of processing technology and equipment of dried noodle was prospected.

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Research Progress In Immune Regulation Of Food-Derived Bioactive Peptides, Chen Yuehua, Cheng Yunhui, Xu Zhou, Wen Li May 2016

Research Progress In Immune Regulation Of Food-Derived Bioactive Peptides, Chen Yuehua, Cheng Yunhui, Xu Zhou, Wen Li

Food and Machinery

Food derived bioactive peptides are a series of specific functional hydrolysates of food proteins with relatively small molecular weight, containing deferent number of amino acid residues. And food-derived immunoactive peptides are those bioactive ones that play important roles on antibacterial, anti-inflammatory, and immunoregulation. Thus it is significant to investigate them because of their wide distribution and high bioactivities. The recent research status and the immune functions of immunopeptides are summarized. Moreover, some methods of producing immunoactive peptides were also introduced. Finally it is prospected that the research tendency of the immunoregulatory mechanism of immune peptides and their advanced utilization.

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Peogress On Regulation Of Carotenoid Biosythesis By External Factorss, Yin Lin, Lin Junfang, Ye Zhiwei, Guo Liqiong, Jian Jinhui May 2016

Peogress On Regulation Of Carotenoid Biosythesis By External Factorss, Yin Lin, Lin Junfang, Ye Zhiwei, Guo Liqiong, Jian Jinhui

Food and Machinery

In recent years, the carotenoids in nature are widely used in food, medicine, nutrition and health care industries due to the good biological activity and physiological function. And in order to meet the needs of human beings, the more and more studies on the regulation of carotenoid biosynthesis are emerging. In this paper, the effects of light, temperature and elicitor on the biosynthesis of carotenoids are reviewed, which is hoped that the production of carotenoids can be improved by external regulation in the production process.

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Review On Current Situation Of Harmful Residual Of Freshwater Fish In Dongting Lake Region, Xu Simin, Wang Jianhui, Liu Yongle, Chen Qi, Wang Faxiang, Li Xianghong, Yu Jian May 2016

Review On Current Situation Of Harmful Residual Of Freshwater Fish In Dongting Lake Region, Xu Simin, Wang Jianhui, Liu Yongle, Chen Qi, Wang Faxiang, Li Xianghong, Yu Jian

Food and Machinery

The present review was focused on the analysis of the present situation of poisonous and harmful residues of freshwater fish in Dongting Lake, the sources of pollution and the way of enrichment in fish so as to provide the basis for subsequent investigation and study, residue control of poisonous and harmful residual in lake and the construction of breeding strategy in freshwater fish. Finally, the prospects of research emphasis in this field and the main direction are concluded.

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Progress On Effects Of Different Additives On Gelatin Modification, Kang Shasha, Xin Ying, Chen Fusheng May 2016

Progress On Effects Of Different Additives On Gelatin Modification, Kang Shasha, Xin Ying, Chen Fusheng

Food and Machinery

Gelatin, the hydrolyzed biopolymer of collagen, is widely used in pharmaceutical, food industries etc. However, its inherent physical and chemical properties can not meet production needs (especially fish gelatin). The research of gelatin modification attracts more attentions. Gelatin chemical crosslinking modified with inorganic compounds (MgSO4, CaCl2 and NaCl), organic compounds (pectin, chitosan and aldehyde) and Transglutaminase was introduced in this paper.

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Research Advance Of High-Voltage Pulsed Generator In High-Voltage Pulsed Electric Field Sterilization System, Xia Tao, Wu Yunfeng, Wang Shengli, Dai Lei, Hu Boyang, Miao Ling May 2016

Research Advance Of High-Voltage Pulsed Generator In High-Voltage Pulsed Electric Field Sterilization System, Xia Tao, Wu Yunfeng, Wang Shengli, Dai Lei, Hu Boyang, Miao Ling

Food and Machinery

The text summarized the design principle of high pulse generator and it application and prospect, analyzed it advantages and disadvantages round the world and concluded the difficulties in the design.

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Progress On Application Of Ultrasound Treatment Technology In Meat Industry, Lei Chen, Xia Yanbin, Che Zaiquan, Ren Mei May 2016

Progress On Application Of Ultrasound Treatment Technology In Meat Industry, Lei Chen, Xia Yanbin, Che Zaiquan, Ren Mei

Food and Machinery

In this paper summarizes the application of ultrasound technology in meat industry, for example the effect of ultrasound to meat quality and the influence of ultrasound to the processing. In addition, also discussed the disadvantages of ultrasound and the application prospect of ultrasound technology in meat industry.

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Assessment Of An Industrial Type Radiant Heating System For Drying Rough Rice, Anne Adhiambo Okeyo May 2016

Assessment Of An Industrial Type Radiant Heating System For Drying Rough Rice, Anne Adhiambo Okeyo

Graduate Theses and Dissertations

Rough rice is normally harvested at moisture contents (MCs) higher than that for safe storage. The objective for this study was to investigate the effectiveness of scaled-up infrared (IR) heating followed by tempering steps to dry freshly-harvested rough rice. An industrial type, pilot scale, IR drying equipment, designed to convey rough rice on a vibrating conveyor belt was used in this study. The heating zone of the equipment had catalytic IR emitters powered by natural gas. Freshly-harvested rough rice of long-grain pureline (cv. Cheniere), long-grain hybrid (cv. 6XP 756) and medium-grain (cv. CL 271) cultivars at initial moisture contents (IMCs) …

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Development Of Infrared Heating Technology For Corn Drying And Decontamination To Maintain Quality And Prevent Mycotoxins, Shantae Wilson May 2016

Development Of Infrared Heating Technology For Corn Drying And Decontamination To Maintain Quality And Prevent Mycotoxins, Shantae Wilson

Graduate Theses and Dissertations

Infrared (IR) heating of corn followed by tempering treatments has potential to rapidly dry and simultaneously decontaminate corn without adverse effect on the overall quality. However, it is vital to determine the optimal processing parameters that maximize throughput and minimize drying energy without affecting overall corn quality. This study investigated the effects of IR heating and tempering treatments on moisture removal, mold load reduction, corn color change, and drying energy requirements. In addition, the study evaluated the feasibility of scaling up IR drying process using a newly built, pilot scale IR dryer. Freshly harvested corn with initial moisture content (IMC) …

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Feasibility, Safety, Economic And Environmental Implications Of Whey-Recovered Water For Cleaning-In Place Systems: A Case Study On Water Conservation For The Dairy Industry, Yulie E. Meneses-GonzáLez May 2016

Feasibility, Safety, Economic And Environmental Implications Of Whey-Recovered Water For Cleaning-In Place Systems: A Case Study On Water Conservation For The Dairy Industry, Yulie E. Meneses-GonzáLez

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

Several countries around the world are facing the challenge of producing food with limited water resources for a growing population. This reality is forcing all sectors involved in the food supply chain to look for water conservation strategies that contribute to assure global food security. Besides water consumption, the food industry has to deal with wastewater generation; therefore, water reconditioning and reuse is an attractive solution to address both issues. The goal of this research was to demonstrate that high quality water can be recovered from whey, a by-product of the cheese making process, and reused in cleaning-in place (CIP) …

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Effects Of Delayed Drying And Storage Conditions On Milling, Color, And Viscosity Properties Of Rice, Kathryn Nicole Haydon May 2016

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, …

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Use Of A Blunt Version Of Meullenet-Owens Razor Shear To Analyze Meat Qualities Of Broilers With Woody Breast Myopathy And Reared To Various Ages, Famous Lue Yang May 2016

Use Of A Blunt Version Of Meullenet-Owens Razor Shear To Analyze Meat Qualities Of Broilers With Woody Breast Myopathy And Reared To Various Ages, Famous Lue Yang

Graduate Theses and Dissertations

Broiler breast meat tenderness is an important meat quality attribute. There has been an increase in incidences of woody breast along with white striping as meat quality defects. These defects have been found to negatively impact meat qualities of broiler breast fillets. Woody breast can be classified by the degree of hardness into normal (NORM) and severe (SEV). The Meullenet-Owens Razor Shear (MORS) method was developed to assess broiler meat tenderness and a blunt version (BMORS) has been reported to be more sensitive at higher degrees of toughness. The present study was intended to determine the effect of age, debone …

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Effect Of Cooking Loss, Tenderness And Water Distribution Of Tan Sheep At Different Cooking Time Treatment, Wu Liangliang, Luo Ruiming, Kong Feng, Tian Yin Apr 2016

Effect Of Cooking Loss, Tenderness And Water Distribution Of Tan Sheep At Different Cooking Time Treatment, Wu Liangliang, Luo Ruiming, Kong Feng, Tian Yin

Food and Machinery

The present study was undertaken to investigate the effects of different salt addition treatment on the cooking loss, tenderness and water distribution of Tan sheep. Cooking loss, shear force were mesured and T2 relaxation properties of water molecules by low-field NMR technology were assayed in the different treatment, the correlation among these indexes and changes of water distribution in Tan sheep with different cooking time treatment were also discussed. The results show: both cooking loss and shear force significantly increase at first and then decrease (P<0.05) as cooking time goes on. LF-NMR detects four distinct water populations which represent four presence status of water in meat: weakly bound water, strongly bound water, immobilized water and free water. Extending the cooking time, the relaxation time firstly extends and then reduces, the proportion of immobilized water firstly decreases and then increases, the content of free water firstly increases and then decreases. NMR images show that sample brightness changes from bright to weak as cooking time goes on. Correlation analysis shows that there is a significant positive correlation between cooking loss and T23, T24, and the correlation coefficient were 0.966, 0.994, a …

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Revised Design And Experiment On Small Leek Harvester, Gao Long, Yuan Yongwei, Yi Jinggang, Kong Degang Apr 2016

Revised Design And Experiment On Small Leek Harvester, Gao Long, Yuan Yongwei, Yi Jinggang, Kong Degang

Food and Machinery

No abstract provided.

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Study On Optimal Carbon Sources Of Komagataeibacter Spp. For Bacterial Cellulose Synthesis, Chen Huamei, Li Congfa, Bi Jicai, Zhang Cui, Hu Qisong, Wang Yanmei, Liu Sixin Apr 2016

Study On Optimal Carbon Sources Of Komagataeibacter Spp. For Bacterial Cellulose Synthesis, Chen Huamei, Li Congfa, Bi Jicai, Zhang Cui, Hu Qisong, Wang Yanmei, Liu Sixin

Food and Machinery

In order to reveal the preference and adaptability of different cellulose-producing species for the carbon source, the influences of carbon sources on Komagataeibacter spp. (K. nataicola, K. hansenii and K. europaeus) for growth, metabolism and BC synthesis were studied. The main results were as follows: the BC production was the largest by K. europaeus with fructose as the carbon source, while K. nataicola and K. hansenii with glucose as the carbon source. In addition, the results showed that the ability to synthesize BC by different species was not consistent with the cell biomass, gluconic acid and carbon source consumption, and …

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Factors Influencing Casing Effects Of Cut Strip In Thin-Layer Materials Double Injection Feeding Machine, Song Weimin, Li Shufang, Fan Lei, Li Hongtao, Wei Jiaxin Apr 2016

Factors Influencing Casing Effects Of Cut Strip In Thin-Layer Materials Double Injection Feeding Machine, Song Weimin, Li Shufang, Fan Lei, Li Hongtao, Wei Jiaxin

Food and Machinery

To verify the influence of thin-layer materials double injection feeding machine on cut strip casing, with compressed air as the ejector dielectric charging, variation coefficient and effective utilization rate the casing effects of cut strips were examined by using 1, 2- propylene glycol as markers on the feeding machine in terms of HT steam pressure, diluted belt speed. solid-liquid ejector pressure and discharge belt motor frequency. Under laboratory conditions, the results showed that ① by means of thin tobacco double injection feeder to feed, the utilization efficiency can up to 95% and the coefficient of variation is about 6%; ② …

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Design Road Of Food Packaging Guided By Interactive Concept, Lin Haiyan Apr 2016

Design Road Of Food Packaging Guided By Interactive Concept, Lin Haiyan

Food and Machinery

Analyzed the current situation where food packaging in China tends to only visualization or only formalization seriously. Then, the interactive concept is applied to the origin and historical background of food packaging design, which demonstrates that the interactive concept promotes the creation and the development tendency to intelligent interaction of food packaging design. Further proves that the road to survive and develop of future food packaging is the people-oriented design focusing on user experiences guided by the interactive concept.

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Effects Of Packing Ways On Logistics Preservation Quality Of Broccoli, Yan Kaiya, He Yezi, Zhang Min Apr 2016

Effects Of Packing Ways On Logistics Preservation Quality Of Broccoli, Yan Kaiya, He Yezi, Zhang Min

Food and Machinery

In order to reduce use level of coolant, effects of the coordination of coolant with ordinary polyethylene (polyethylene, PE) packing bag or micro-perforated PE packing bag on logistics preservation quality of broccoli were studied. Results revealed that regarding preservation quality of broccoli, foam boxes with 4 bags of coolant is better than that without coolant, while foam boxes coordinated of 2 bags of coolant and PE packing bag does better than that with 4 bags of coolant. Broccoli packed with 2 bags of coolant and micro-perforated packing bag has the highest quality among them. The results show that coordination of …

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Effects Of Different Solvents On Extraction Of Phenolics From Oil-Tea Meal Under Hot Reflux And Ultrasonic Assistances, Chen Peiyun, Zhong Haiyan Apr 2016

Effects Of Different Solvents On Extraction Of Phenolics From Oil-Tea Meal Under Hot Reflux And Ultrasonic Assistances, Chen Peiyun, Zhong Haiyan

Food and Machinery

The effects of methanol, ethanol and acetone was investigated, on the extraction of phenolic contents and antioxidant activity from oil-tea meal under hot reflux and ultrasonic assistances. Under hot reflux and ultrasonic assistances, phenolic contents of acetone extracts were 1 444 ± 2 and 1 623 ± 1 mg GAE / 100 g (DW), respectively. that were significantly higher (P＜0.05) than the corresponding methanol and ethanol extracts. Phenolic compounds, including catechin, epicatechin, rutin and quercetin were determinate by HPLC in these extracts. Under hot reflux and ultrasonic assistances, the ORAC values of acetone extracts were 358.4 ± 16.9 and 370.6 …

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Effects Of Barley Β-Glucan On Pasting And Rheological Properties Of Wheat Flour, Li Yuan, Zhou Huiming, Guo Xiaona, Zhu Kexue, Peng Wei Apr 2016

Effects Of Barley Β-Glucan On Pasting And Rheological Properties Of Wheat Flour, Li Yuan, Zhou Huiming, Guo Xiaona, Zhu Kexue, Peng Wei

Food and Machinery

In the present study, the influence was investigated from water extracted barley β-glucan (BBG) on the pasting and rheological properties of wheat flour. Results showed that the values of wet gluten content decreased with the addition ratio of BBG increased. The presence of BBG induced an increase of peak viscosity, trough viscosity, breakdown and peak viscosity, while the setback value showed a decreasing tendency. Compared with the control, with increasing of the water absorption of dough, the development time, the stability and the weakening value reduced. Lower modulus (G′, G″) and tan δ values were observed in dynamic viscoelasticity measurements.

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Residual Protein Treated By Alkali On Pasting Properties Of Indica Rice, Li Yan, Gao Wenming, Yi Cuiping Apr 2016

Residual Protein Treated By Alkali On Pasting Properties Of Indica Rice, Li Yan, Gao Wenming, Yi Cuiping

Food and Machinery

The rice starch (RS), yellow starch (YS) and white starch (WS), which protein content were 2.36%, 4.23%, 0.38% respectively, were obtained after indica rice flour (protein content was 7.85%) treated by alkaline, and their pasting and structure properties were then studied. Results of RVA indicated that the peak viscosity, hot pasting viscosity and final viscosity of rice flour had significantly lower than rice starch, yellow starch and white starch (P<0.01), which agree with the result of the pasting temperature tested by DSC; RVA analysis also found that the viscosity between rice starch and yellow starch had no significant effect(P>0.05), while DSC result believed that the pasting temperature were approached between yellow starch and white starch. The structure analysis of the samples showed that transparency decreased with indica rice …

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Mechanism Of Azodicarbonamide’S Impact On Protein Cross-Linking And Quality Of Soy-Wheat Chinese Steamed Bread, Liu Sha, Guo Xiaona, Zhu Kexue, Liu Gang, Zhou Huiming Apr 2016

Mechanism Of Azodicarbonamide’S Impact On Protein Cross-Linking And Quality Of Soy-Wheat Chinese Steamed Bread, Liu Sha, Guo Xiaona, Zhu Kexue, Liu Gang, Zhou Huiming

Food and Machinery

Report on protein cross-linking mechanism of soy-wheat Chinese steamed bread treated with azodicarbonamide (ADA) was less while it was known as quality improvement agent of wheat flour. The content of free thiol (—SH) was determined by DTNB method. Meanwhile, size-exclusion high performance liquid chromatography (SE—HPLC) and confocal laser scanning microscope (CLSM) were used to analyze the content of sodium dodecyl sulfate extractable proteins (SDSEP）and gluten network respectively. In addition, the specific loaf volume of soy-wheat Chinese steamed bread was determined by rapeseed displacement method. TPA was used to test the texture and the software Image J was applied to analyze …

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Studies On Degradation Of Pectin During Pepper Peeling By Solid-State Fermentation, Wang Mengjie, Liu Sixin, Chen Haiming, Hu Qisong, Li Congfa Apr 2016

Studies On Degradation Of Pectin During Pepper Peeling By Solid-State Fermentation, Wang Mengjie, Liu Sixin, Chen Haiming, Hu Qisong, Li Congfa

Food and Machinery

Infrared spectroscopy, ion chromatography and HPLC were used to analyze the changes of pectin components and their contents during pepper peeling by solid-state fermentation. The results showed that the water-soluble pectin and acid-soluble pectin were high degree of esterification pectin, while the chelating pectin was low degree of esterification pectin. The content of water-soluble pectin increased in the first 36 h and then decreased during fermentation, while the content of acid-soluble pectin and chelating pectin increased after ripening with ethephon and then decreased during the whole fermentation process. Galacturonic acid in the pectin backbone was degraded rapidly in 24～48 h. …

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Correlation Between Sensory Evaluation And Instrumental Analysis Of Kamabokos Texture, Wang Dan, Jiang Qixing, Xu Yanshun, Xia Wenshui, Wang Haiou Apr 2016

Correlation Between Sensory Evaluation And Instrumental Analysis Of Kamabokos Texture, Wang Dan, Jiang Qixing, Xu Yanshun, Xia Wenshui, Wang Haiou

Food and Machinery

Texture is a decisive factor in the quality of Kamabokos. In order to find an objective evaluation method of Kamabokos’ texture，the correlation was studied between sensory evaluation and TPA results by collecting different brands Kamabokos. 10 kinds of Kamabokos, which were most popular in market, were collected, evaluated by the sensory evaluation.Meanwhile, the profile analysis was made by TPA (Texture Profile Analysis). Then PCA (Principal component analysis) and correlation analysis of the determination results were studied. The results showed that there was correlation between the sensory evaluation and TPA analysis by texture analyzer. For further evaluation of Kamabokos, stepwise regression …

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