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Articles 4681 - 4710 of 4729
Full-Text Articles in Agriculture
Discrimination Of Soup-Stock By Electronic Tongue, Cao Zhongwen, Zhan Gxiaoyan, Zhou Xiaoyan
Discrimination Of Soup-Stock By Electronic Tongue, Cao Zhongwen, Zhan Gxiaoyan, Zhou Xiaoyan
Food and Machinery
Chicken soup and mixed samples with artificial blending were tested by electronic tongue and the response signals were analyzed by principal component analysis (PCA), discriminant factor analysis (DFA) and partial least-squares analysis (PLS). Chicken soup and artificial blended soup were successfully identified by electronic tongue. Moreover, a high regression coefficient, R2=0.958 71, between instrumental response signal and mixed ratio of chicken soup and artificial blended soup was found for the established PLS model with a prediction error below 15%.This study demonstrates that electronic tongue is applicable for soup discrimination.
Releasing Regular Of Flavor Compounds During Enzymolysis Of Mussel (Mytilus Edulis) And Structure Of The Flavor Peptides, Zhao Yang, Chen Haihua, Wang Yusheng, Liu Zhaolong, Zhao Chunxia
Releasing Regular Of Flavor Compounds During Enzymolysis Of Mussel (Mytilus Edulis) And Structure Of The Flavor Peptides, Zhao Yang, Chen Haihua, Wang Yusheng, Liu Zhaolong, Zhao Chunxia
Food and Machinery
Releasing regular of flavor compounds during enzymolysis of mussel (Mytilus edulis) protein and the structure of seafood flavor peptides were investigated with amino acid analysis, ultrafiltration, gelchromatography, RP—HPLC, and UHR—Q—TOF. The results indicated that, during enzymolysis, molecular weight of peptides reduced. The amount of free flavor amino acid and TMA increased. The amount of peptidyl flavor amino acids increased then decreased. It’s advantageous for peptides with low molecular weight to be released at low pH conditions. The total carbohydrate varied little. The total acid reached the maximum in 1 h and at 50 ℃, respectively. Under the conditions that enzymolysis …
Effect Of Temperature On Maillard Reaction And Antioxidant Activity Of The Maillard Reaction Products Derived From Yellow Stripe Trevally(Selaroides Leptolepis) Fish Hydrolysates, Lu Bin, Wang Zhonghe, Wang Jun, Zou Min, Fu Li
Effect Of Temperature On Maillard Reaction And Antioxidant Activity Of The Maillard Reaction Products Derived From Yellow Stripe Trevally(Selaroides Leptolepis) Fish Hydrolysates, Lu Bin, Wang Zhonghe, Wang Jun, Zou Min, Fu Li
Food and Machinery
The pH value, intermediate (A294nm), browning intensity (A420nm), free amino group content and antioxidant activity as detection index. The effect of temperature(100 ℃, 120 ℃) on Maillard reaction and antioxidant activity of the Maillard reaction products(MRPs) derived from yellow stripe trevally(Selaroides leptolepis) fish protein hydrolysates was investigated. The results were as follows: when reaction temperature was 120 ℃, the pH value, intermediate (A294nm), browning intensity (A420nm) and free amino group content of the systems during the Maillard reaction were more significant, and the reducing power and DPPH radical …
Effect Of Decoloring Process On Quality Of Massage Base Oil Developed From Sesame Oil, Zhao Yanru, Wang Xuede, Zhao Dan
Effect Of Decoloring Process On Quality Of Massage Base Oil Developed From Sesame Oil, Zhao Yanru, Wang Xuede, Zhao Dan
Food and Machinery
This research according to the quality requirements of massage base oil as evaluation indexes, combining with free radical clearance, oxidation resistance and other indicators, compared the decolorizing technology's influence on the quality of sesame oil. And compare oils which have done in-depth research in the field of cosmetic skin care, such as olive oil, grape seed oil, wheat germ oil. That results showed that the decoloring process of sesame oil improve the oxidation resistance and the ability of scavenging free radicals significantly. In general, sesame oil skin care is better than other several kinds of vegetable oil which used as …
Eric-Pcr And Sau-Pcr Analysis Of Food-Borne Listeria Monocytogenes, Zhao Yiming, Shi Lei, Meng Hecheng, Zhang Zhigang, Yan He
Eric-Pcr And Sau-Pcr Analysis Of Food-Borne Listeria Monocytogenes, Zhao Yiming, Shi Lei, Meng Hecheng, Zhang Zhigang, Yan He
Food and Machinery
To investigate the distribution of serotypes, genetic relativity and epidemiological characteristic of Listeria monocytogenes (LM). 22 LM strains isolated from Guangzhou and Xiamen were investigated by ERIC-PCR and Sau-PCR. Results of ERIC-PCR showed that these strains were distributed in 8 patterns (a-h). The main pattern was pattern h, and the number of strains was 8. Genotyping using Sau-PCR showed that all tested strains were grouped into 7 clusters (A-G). These results indicated the genetic relativity and epidemiological characteristic of different LM food-borne isolates.
Accumulation And Pollution Assessment Of Heavy-Metal In Vegetable By Changsha Section Of Xiangjiang River, Yuan Liejiang, Yang Mengxing, Li Mengli, Li Zhonghai
Accumulation And Pollution Assessment Of Heavy-Metal In Vegetable By Changsha Section Of Xiangjiang River, Yuan Liejiang, Yang Mengxing, Li Mengli, Li Zhonghai
Food and Machinery
To investigate the accumulation and pollution in Zn, Cu, Pb and Cd of the leaf vegetable by Changsha section of Xiangjiang River, three kinds of vegetable were collected and detected. The results showed that: the contents of these four heavy-metal elements in vegetable samples ranked from greatest to least was as follows: Zn＞Cu＞Pb＞Cd; Brassica chinensis L. had strong accumulation ability in Cu, Pb and Cd; 26.67% samples were heavy contaminated.
Research On Quality Changes And Spoilage Mechanism Of Leisure Soybean Food During Storage, Jiang Qionghua, Zhao Liangzhong, Li Huaqiang, Bu Yufang
Research On Quality Changes And Spoilage Mechanism Of Leisure Soybean Food During Storage, Jiang Qionghua, Zhao Liangzhong, Li Huaqiang, Bu Yufang
Food and Machinery
Investigated the changing of components in leisure soybean food during storage by using Nuclear Magnetic Resonance (NMR),and identified the contribution from these components respectively, and discussed the corruption mechanism from the microscopic view. The results indicated that leisure soybean food had three kinds of components mobility-T21,T22,T23,corresponded bound water, free water and fat, respectively. By analyzing the component contents, the first three months was the best in quality for leisure soybeans. The oxidative rancidity of oil produced peroxide led to the oxidant of amino-acid residue, and transformed the bound water in reticulate structure into free …
Determination On Optimal Switching Point Of Two-Stage Feeding In Weighing Packaging Machine, Su Junming, Li Zhenliang, Li Ya, Liu Baohua
Determination On Optimal Switching Point Of Two-Stage Feeding In Weighing Packaging Machine, Su Junming, Li Zhenliang, Li Ya, Liu Baohua
Food and Machinery
Objective Researched the method to calculate the optimal two-stage feeding switch point of weighing packaging machines when it works. Methods Through analyzing the feeding and weighing process and the function of two-stage feeding, researched the effect of two-stage feeding switch point to the packaging speed and accuracy. Then found the range of values. Results The two-stage feeding switch point had an important impact on packaging speed and packaging accuracy, and a certain relationship. The packaging speed was maximized while ensuring the packaging accuracy through chosing the best switch point in the range of values. Conclusions Proposed a method to calculate …
Research On Toughness Of Cassava Stalk, Li Menglin, Wang Tao, Huang Zhigang, Yan Mei
Research On Toughness Of Cassava Stalk, Li Menglin, Wang Tao, Huang Zhigang, Yan Mei
Food and Machinery
In order to study the factors that the influence of the cassava stalk toughness. Orthogonal experiments were used to test cassava stalk with MW-4 universal testing machine And the influencing factors were selected, for cassava stalk variety, placed time, and colliding parts. The results show that: effect of varieties on the impact energy is the largest, while, the impact energy was the smallest when the variety is SC6, placed for 12 days, and the the upper part collision site. Effect of varieties A on the impact toughness is the largest. The impact toughness is the smallest when the variety is …
Analysis On Feasibility Of Detection Of Melamine In Liquid Milk Based On Near-Infrared Spectroscopy, Cheng Wenyu, Guan Xiao, Liu Jing
Analysis On Feasibility Of Detection Of Melamine In Liquid Milk Based On Near-Infrared Spectroscopy, Cheng Wenyu, Guan Xiao, Liu Jing
Food and Machinery
The reasonability using near-infrared spectra (NIRS) for detection of melamine in liquid milk were studied. NIRS of samples were obtained by Fourier Transform Infrared Spectroscopy(FTIR) spectrometer, samples of liquid milk with adding melamine were analyzed while characteristic signals were extracted by wavelet transform and principal component analysis. Quantitative analysis was taken by General the Regression Neural Network(GRNN) for the diffuse reflectance spectroscopy of liquid milk adding melamine first. The result is not satisfactory enough that when concentration of melamine is lower than 0.05%, the R2 of predict model is only 0.567. Qualitative discrimination by support vector machine was carried …
Flow Field Characteristics Analysis Of Single Vortex Water Washer, Wu Yan, Jin Guangyuan, Cui Zhengwei
Flow Field Characteristics Analysis Of Single Vortex Water Washer, Wu Yan, Jin Guangyuan, Cui Zhengwei
Food and Machinery
The fluid dynamic characteristic of vortex flow washing in a fruits and vegetables washer unit with U-shaped structure was investigated by three-dimensional Computational Fluid Dynamic simulation (CFD). The single vortex flow formed by longitudinal and transverse water jet in washer unit was simulated at different flux rates of longitudinal and transverse water jet. The vortex flow dynamic characteristic in water unit and the effect of vortex flow on strengthening turbulent washing were discussed. The simulation results shows that flux rate has a dominant effect on vortex flow spacious distribution and intensity; the interaction between longitudinal and transverse water jet is …
Design Of Stacking Machine For Finished Food Boxes Based On Motion Controller, Wu Xiaoqiang, Huang Yunzhan, Zhao Yongjie
Design Of Stacking Machine For Finished Food Boxes Based On Motion Controller, Wu Xiaoqiang, Huang Yunzhan, Zhao Yongjie
Food and Machinery
A kind of finished food boxes stacking machine was designed based on "PC + motion controller". Taking PC as the upper computer and multi axis motion controller as the lower computer, communication between the upper and lower machine used standard Ethernet, HMI and multi axis motion controller communicated via the RS232/485 standard interface, and completed the stacking work via the upper and lower computer. It can realize the function of stacking, reduce the amount of labor, and improve work efficiency. And it provides a new idea for the design of the stacking machine.
Determination Of Twelve Elements In Jujube By Inductively Coupled Plasma Atomic Emission Spectrometry (Icp—Aes), Chen Kai, Li Jinyu, Li Qiong, Li Huanrong
Determination Of Twelve Elements In Jujube By Inductively Coupled Plasma Atomic Emission Spectrometry (Icp—Aes), Chen Kai, Li Jinyu, Li Qiong, Li Huanrong
Food and Machinery
A method was developed using ICP-AES for the simultaneous determination on the content of trace heavy metals including Na, Mg, Al, K, etc in 3 spieces of jujube of Xin Jiang district. The correlation index of method was greater than 0.998; Determination of elements in addition to the individual value, RSD is less than 5%. The results showed that: xinjiang jujube had rich mineral elements content, which especially in K (＞12 277 μg/g), Ca (＞785 μg/g), Mg (＞ 646 μg/g), Na (425 μg/g), Al (＞179 μg/g), Fe (＞22 μg/g) content is higher, the K and Fe content of Aksu jun …
Analysis Of Unsafe Factors In Baked Craft Of Betel Nuts, Kang Xiaoning, Ji Jianbang, Li Liang
Analysis Of Unsafe Factors In Baked Craft Of Betel Nuts, Kang Xiaoning, Ji Jianbang, Li Liang
Food and Machinery
The unsafe factors in the products of traditional craft baked betel nuts, betel improved oven baked dry and edible betel nut pieces were analyzed. The results showed that benzopyrene were the major effect factors on the food safety of Betel nut products. And the baked methods of betel nuts had greatly influence on the content of benzopyren. An overdose of benzopyrene was found in these baked betel nuts baked by traditional ways, such as traditional smoked roasting ovens, traditional hot wind roasting ovens. However, taking the baked Betel nuts as materials to manufacture products, the content of benzopyrene in these …
Determination Of Imibenconazole In Fruits And Vegetables By Ultra High Performance Liquid Chromatography-Tandem Quadrupole Mass Spectrometry, Chen Jingchun, Chen Sheng, He Yabin, Zheng Xiaoping
Determination Of Imibenconazole In Fruits And Vegetables By Ultra High Performance Liquid Chromatography-Tandem Quadrupole Mass Spectrometry, Chen Jingchun, Chen Sheng, He Yabin, Zheng Xiaoping
Food and Machinery
The sample was purifid by solid phase extraction column. A simple, fast, accurate method for determination of Imibenconazole in fruits and vegetables was developed by ultra high performance liquid chromatography-tandem quadrupole mass spectrometry (UPLC—MS—MS). The linear range of the method is from 1.0 μg/L to 100 μg/L ，and the correlation coefficients were 0.998 7～0.999 6, and the detection limit is 1.0 μg/kg. The proposed method has high sensitivity and good reproducibility for determining Imibenconazole.
Research On Antibacterial Effect Of Eucalyptus Extracts Combined With Oxacillin Against Mrsa, Cui Haiying, Zhang Xuejing, Zhou Hui, Zhao Chengting, Li Wei, Lin Lin
Research On Antibacterial Effect Of Eucalyptus Extracts Combined With Oxacillin Against Mrsa, Cui Haiying, Zhang Xuejing, Zhou Hui, Zhao Chengting, Li Wei, Lin Lin
Food and Machinery
Ethanol and water are used respectively to extract the active ingredients of eucalyptus leaves. Then it was researched on the inhibitory effect of the active ingredients on MRSA, and compared the inhibitory effect of the oxacillin with and without eucalyptus extracts addition. The results shows that, the ethanol extract of eucalyptus presents a minimum inhibitory concentration(MIC)from 1 g/L to 5 g/L for MRSA, and the water extract is from 2~10 g/L. With 0.2 g/L of ethanol extract of eucalyptus added, the oxacillin can reduce the MIC of the MRSA from 62.5～250 mg/L to 7.8～31.3 mg/L, and the MIC for all …
Identification Andoptimization Of Fermentation Conditions For Symbiotic And Epiphyte Bacterium Dnc2 From Strongylocentrotus Intermedius, Li Zhen, Zhang Fuyun, Li Wei, Zhao Yu, Lu Hang
Identification Andoptimization Of Fermentation Conditions For Symbiotic And Epiphyte Bacterium Dnc2 From Strongylocentrotus Intermedius, Li Zhen, Zhang Fuyun, Li Wei, Zhao Yu, Lu Hang
Food and Machinery
To explore the Symbiotic and Epiphyte bacterium DNC2 from Strongylocentrotus intermedius, the morphological, biochemical and physiological characteristics of the strain were researched and the 16S rDNA sequences of it were analyzed. The univariate experiment and orthogonal test of L16(45) were carried out to optimize the fermentation conditions for antibacterial activity. Symbiotic and Epiphyte bacterium DNC2 was identified as Bacillus subtilis. The optimal fermentation conditions were obtained as fermentation at 35 ℃ for 120 h with initial pH 9, and the optimum fermentation medium was determined as beef extract 0.3% and peptone 0.6%. The optimized …
Analysis Of Nutritional And Bioactive Components Of Solid-State Fermented Substrate Of Isaria Cicadae, Yu Shijun, Chai Xinyi, Fan Meizhen
Analysis Of Nutritional And Bioactive Components Of Solid-State Fermented Substrate Of Isaria Cicadae, Yu Shijun, Chai Xinyi, Fan Meizhen
Food and Machinery
In the present work, the nutritional and bioactive components of the solid-state fermented substrate of I. cicadae were studied. And the results indicated that the contents of protein, total sugar and fat acid were 16.17%, 38.87% and 1.43%, respectively. The unsaturated fat acid content was 1.18%. The amino acid profile was analyzed and lysine was the first restrictive amino acid in the FAO/WHO model. The contents of vitamin E and C were 1 833 mg/kg and 239 mg/kg, respectively. Furthermore, the fermented substrate contained adenosine, mannitol and polysaccharide. This work provided basic information for the further development of Fermented Substrate …
Study On Subcritical Extraction Of Ginger Oil, Chang Dawei, Sun Jiaojiao, Liu Shuxing
Study On Subcritical Extraction Of Ginger Oil, Chang Dawei, Sun Jiaojiao, Liu Shuxing
Food and Machinery
The gingers were selected as raw material and the optimum extract conditions of essential oil of ginger were studied by using subcritical extraction technology. The essential oil of ginger from the methods of subcritical extraction and hydro-distillation were compared. The 1, 1, 1, 2-tetrafluoroethane was used as the extraction agent. The optimum conditions of subcritical extraction were as follows: the materials granularity was 60 mesh；subcritical extraction time was 1.5 hours and extraction temperature was 30～40 ℃. Under the conditions, the extraction ratio of ginger essential oil was about 3.14%. The essential oil components were analyzed by GC—MS. α-curcumene and zingiberene …
Optimizationon Extracting Technology Of Total Flavonoids From Ginkgo Biloba Leaves By Ultrasonic-Assisted Method, Du Ruoyuan, Xie Jing, Wang Ting, Che Xu, Lan Weiqing
Optimizationon Extracting Technology Of Total Flavonoids From Ginkgo Biloba Leaves By Ultrasonic-Assisted Method, Du Ruoyuan, Xie Jing, Wang Ting, Che Xu, Lan Weiqing
Food and Machinery
Objective to optimize the technology for extracting process of total flavonoids from Ginkgo biloba leaves. Methods Based on the single factor experiments for ethanol concentration, solid-liquid ratio and extracting time, orthogonal experiment L9 (33) was designed to optimize the ethanol extracting conditions of total flavonoids by ultrasonic-assisted method. Results the optimal technology for extracting conditions of total flavonoids was as followed: with 60% ethanol concentration, 1∶50 (m∶V) solid-liquid ratio and 30 min of extracting time. Conclusion According to the results of variance analysis, ethanol concentration (P<0.01) had the greatest influence on yield of total flavonoids, followed by solid-liquid ratio (P<0.05), extracting time was the minimal influence (P>0.05). Under these conditions, the yield of total flavonoids was 8.075 …
Optimization On Ultrasonic Extraction Technology Of Tannin From Gallnut, Li Qianyun, Zhang Shuangling, Zhou Guoyan
Optimization On Ultrasonic Extraction Technology Of Tannin From Gallnut, Li Qianyun, Zhang Shuangling, Zhou Guoyan
Food and Machinery
Gallic tannins have extensive bioactivities functions，including antioxidant，antitumor and anticancer. In order to investigate the extraction technology of Chinese gallnut tannin by ultrasonic, the effect factors，including the volume fraction of HCl , the volume fraction of ethanol, ultrasonic temperature and the ratio of material were optimized through orthogonal tests L9（34）on the basis of single factor experiment . The result showed the optimal extracting conditions were as follows: hydrochloric acid volume fraction 1.0%, ethanol volume fraction 50%, ultrasonic temperature 40 ℃, the ratio of material to liquid was 1∶30(m∶V). Under the optimal conditions，the extraction rate of Chinese gallnut …
Purification Of Polyphenols From Walnut Peel By Macroporous Resin Adsorption, Li Qiong, Chen Kai, Chen Yanqin, Li Huanrong
Purification Of Polyphenols From Walnut Peel By Macroporous Resin Adsorption, Li Qiong, Chen Kai, Chen Yanqin, Li Huanrong
Food and Machinery
A method for separation and purification of polyphenols from Walnut peel with macroporous resins. The results as follows: five kinds of macroporous resins were selected, AB-8 resin was considered as suitable material to purify and separate the Walnut peel polyphenols. The optimum conditions were concentration of feed 3.0 mg/mL at pH 4.0, and the volume of polyphenols sample 100 mL, flowing rate 2.0 mL/min, elute ethanol concentration 30%, ethanol at pH 6.0, elute volume 250 mL, elution rate 2.0 mL/min. After eluted with AB-8 resin, the polyphenols purity reach 36.36%, which is approximately 4.8 times higher than the previous7.65%.
Research On Fermentation Technology For Buckwheat Sweet Rice Wine By Tan-Fan Method, Wan Ping, Liu Hong, Tang Ling, Long Jianbing, Peng Lianxin
Research On Fermentation Technology For Buckwheat Sweet Rice Wine By Tan-Fan Method, Wan Ping, Liu Hong, Tang Ling, Long Jianbing, Peng Lianxin
Food and Machinery
With buckwheat rice and glutinous rice(1∶1) as raw material, and the optimum were determined through single factor test and orthogonal test fermentation technology for buckwheat sweet rice wine by tan-fan method as follow: the use level of jiuyao was 0.4%; the use level of the wheat starter was 5%; the add liquor alcohol content 45%vol, the use level of liquor: the raw material for 1∶1(V∶m), fermentation temperature 30 ℃, the primary fermentation time 11 d. Under the above condition, the produced buckwheat sweet rice wine, after storage had mellow taste and lubrication and special styles and it was yellow in …
Preparation Of Salted Eggs With Low Salt, Su He, Yang Ruijin, Zhao Wei, Hua Xiao, Zhang Wenbin
Preparation Of Salted Eggs With Low Salt, Su He, Yang Ruijin, Zhao Wei, Hua Xiao, Zhang Wenbin
Food and Machinery
A two stage brining method for preparing salted eggs with low salt was investigated. The moisture and salt content of the egg white and egg yolk in the process of brining were measured. The oil-off ratio of the yolk of the salted eggs was measured, and the sensory quality of the salted eggs was comprehensively evaluated.The results showed that, when the two stage briningprocess in which duck eggs were preserved with 19% salt solution firstly,then switched to a low concentration of 3.5% salt solution was applied, the salt content of the salted egg white was 3.64%, 51.21% lower than the …
Optimization Of Liquid Culture Medium For Fermenting Mycelial Flavone In Phellinus Igniarius, Xu Qian
Optimization Of Liquid Culture Medium For Fermenting Mycelial Flavone In Phellinus Igniarius, Xu Qian
Food and Machinery
Objective Phellinus igniarius is a kind of rare medicinal fungi, its flavone can be used as medicine. This research was to optimize liquid culture medium for flavone fermention.Methods Taking the mycelia flavone yield of Phellinus igniarius as index, the liquid culture medium was optimized with L9(34) orthogonal test. Results The optimal medium for high flavone yield established was A3B3C2D2: corn flour 3%+ wheat bran 7%, peptone 2%, KH2PO4 0.10%, MgSO4 0.15%, mycelia flavone yield of Phellinus igniarius was 212.35 mg/L. Conclusion Liquid culture medium …
Optimization On Conditions Of Protease Hydrolysis For Whey Protein, Sun Yang, Qian Fang, Zhao Lei, Liu Xiaohui, Mu Guangqing
Optimization On Conditions Of Protease Hydrolysis For Whey Protein, Sun Yang, Qian Fang, Zhao Lei, Liu Xiaohui, Mu Guangqing
Food and Machinery
With quadratic regression orthogonal rotational combination design, the conditions of whey protein enzyme hydrolysis were optimized. Established the orthogonal regression model which is about the degree of hydrolysis to three factors of temperature, time, enzyme dosage. Experiments showed under the conditions of temperature of 57 ℃, enzyme dosage of 8 214 U/g protein and hydrolysis time of 114 minutes, the degree of hydrolysis was the maximum, of 11.72%, which basically consistent with the model value.
Effect Of Modified Starch On Stability Of Maize Beverage, Li Shaohua, Long Jiaoyan, Sijun Na, Wuguang Hui, Gao Yuanjun
Effect Of Modified Starch On Stability Of Maize Beverage, Li Shaohua, Long Jiaoyan, Sijun Na, Wuguang Hui, Gao Yuanjun
Food and Machinery
In order to improve the stability of maize beverage, modified starch is added as the stabilizer. Investigations have been made to study the impact of three kinds of modified starches with one-factor and orthogonal experiment. Results showed that the maize beverage can be improved with 0.8% hydroxypropyl composite modified starch, 0.8% cassava modified starch and 0.6% hydroxypropyl octenylsuccinate esterification starch, and lowered centrifugal sedimentation. The order of the impact of these three modified starches from high to low is: hydroxypropyl composite modified starch, hydroxypropyl octenylsuccinate esterification starch and cassava modified starch.
Study On Stability Of Rice Beverage, Guo Jieli, Lu Shengmin, Xing Jianrong, Chen Jianbing, Tu Kang
Study On Stability Of Rice Beverage, Guo Jieli, Lu Shengmin, Xing Jianrong, Chen Jianbing, Tu Kang
Food and Machinery
Eleven kinds of different stabilizers and emulsifiers were applied to the research on the stability of rice beverage. Among which, four kinds with better stability effect were selected and used in the orthogonal test to improve the stability of rice beverage. The results indicated that the rice beverage had the highest stability with its precipitation rate 0.87% only and without stratification occurred after 3 weeks at room temperature when the amount of pectin, xanthan gum and monoglyceride were added 0.60%, 0.165% and 0.60% respectively. In addition, xanthan gum and pectin had significant（P<0.01 and P<0.05, respectively）, while monoglyceride and Span 40 did not have significant（P>0.05）effect on the stability of rice beverage. Comparatively, …
Optimization On Technology Of Potato Yogurt, Wu Jianmin, Liu Shaojun, Shao Songlin
Optimization On Technology Of Potato Yogurt, Wu Jianmin, Liu Shaojun, Shao Songlin
Food and Machinery
To reseach technology of the potato yogurt，the technology and formulation of potato yogurt inoculation of the ferment,fermentation time,temperature and other parameters were studied. The optimum technological conditions of potato yogurt were optimized.The optimum formulation was as followed: potato juice to milk 20∶70(V∶V), sugar 4%(m/V), Starter cultures 8%（V/V）, ferment time 6 h.
Processing Technology Of Rosa Sterilis Yoghourt Buccal Tablets, Yan Xiaoyue, Liu Xing, Li Yongfu, Chen Qinfang, Zhong Yaoguang, Wang Zhengwu
Processing Technology Of Rosa Sterilis Yoghourt Buccal Tablets, Yan Xiaoyue, Liu Xing, Li Yongfu, Chen Qinfang, Zhong Yaoguang, Wang Zhengwu
Food and Machinery
Rosa sterilis, sericin peptides and skim milk were used as raw materials to produce yoghourt buccal tablets of the ratio of raw materials and preparation conditions, which could enrich yoghourt buccal tablets varieties in the market and improve their nutritional value. The results showed that the optimal co-fermentation time was 4 hours, the best ratio of Rosa sterilis, xylitol and dried skim milk 2∶5∶10 and the content of magnesium stearate 2%. The yoghourt buccal tablets were nutritive and suitable sour and sweet, rich in yogurt flavor and the fruital of Rosa sterilis, whose nutritional and hygienic indexes could meet the …