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Articles 41911 - 41940 of 254312

Full-Text Articles in Life Sciences

Study On The Hypoglycemic Effect Of Dandelion Extract On Type 2 Diabetic Rats, Shuang Yan, Guang-Yao Li, Cong-Shu Dai, Hao-Zhen Cui, Zhen-Yu Liu, Chang-Qing Lin Feb 2023

Study On The Hypoglycemic Effect Of Dandelion Extract On Type 2 Diabetic Rats, Shuang Yan, Guang-Yao Li, Cong-Shu Dai, Hao-Zhen Cui, Zhen-Yu Liu, Chang-Qing Lin

Food and Machinery

Objective: To study the hypoglycemic effect of dandelion extract on type 2 diabetes (T2DM) rats. Methods: High-fat and high-sugar feed and streptozotocin (STZ) were used to establish type 2 diabetic rat model. The blank normal group, model group, dandelion high-dose group (400 mg/kg) and dandelion low-dose group (200 mg/kg) were set up in the experiment, positive group (150 mg/kg). Fasting blood glucose (FBG), glucose tolerance level (OGTT), insulin resistance (FINS) and insulin sensitivity (HOMA-IR) were measured in T2DM rats, and TC, TG, ALT, AST, SOD, GSH, CAT, MDA related indicators were measured. Results: Compared with the model group, the FBG, …

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Effects Of Irradiated Proces On Hypoglycemic Activity Of Inonotus Obliquus Polysaccharide, Lu Zhang, Xin Jiang, Li-Ying Jin, Chang-Qing Lin, Cheng-Bi Cui Feb 2023

Effects Of Irradiated Proces On Hypoglycemic Activity Of Inonotus Obliquus Polysaccharide, Lu Zhang, Xin Jiang, Li-Ying Jin, Chang-Qing Lin, Cheng-Bi Cui

Food and Machinery

The effect of 60Co-γ ray irradiation on hypoglycemic activity of polysaccharides from Inonotus obliquus was explored. The polysaccharides of Inonotus obliquus under the irradiation doses of 5, 10, 20 and 30 kGy were extracted and their contents were determined. The experiment was performed on a mouse model of type I diabetes induced by streptozotocin (STZ) according to the grouping dose. The body weight, food intake and water intake of the mice were measured every day during the experiment, blood glucose levels were measured every 7 days, and glucose tolerance test (OGTT) was performed 30 days later. Blood samples were …

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Purification Of Polyphenols From Dendrobium Huoshanense By Macroporous Resin And Its Antioxidant Activity, Ming-Wei Chen, Ming Wei, Liang-Fan Tao, Sen-He Qian Feb 2023

Purification Of Polyphenols From Dendrobium Huoshanense By Macroporous Resin And Its Antioxidant Activity, Ming-Wei Chen, Ming Wei, Liang-Fan Tao, Sen-He Qian

Food and Machinery

In this study, the ideal adsorbent for Dendrobium hu-oshanense polyphenols were obtained, after the comparison test for the adsorption-desorption properties of different types of resins. The purification parameters were optimized by adsorption and desorption tests. The antioxidant activities of polyphenols were evaluated in vitro. The results showed that AB-8 macroporous resin was considered as suitable material for purifying and separating Dendrobium huoshanense polyphenols.And the macroporous resin reached equilibrium within 150 min. The optimal processing parameters were as follows: an initial polyphenol concentration of 2.0 mg/mL, pH 4.0, a flow rate of 1.0 mL/min for feeding and a flow rate of …

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Effect Of Extraction Method On The Functional Characteristics Of Leaf Protein From Green Leaves Ramie, Shi-Qi Zhi, Man-Sheng Wang, Feng-Ling Ye, Long Chen, Xiao-Ting Zhang, Hao-Nan Qiu, Qiang He, Xia-Yu Xiong, Yi Dong Feb 2023

Effect Of Extraction Method On The Functional Characteristics Of Leaf Protein From Green Leaves Ramie, Shi-Qi Zhi, Man-Sheng Wang, Feng-Ling Ye, Long Chen, Xiao-Ting Zhang, Hao-Nan Qiu, Qiang He, Xia-Yu Xiong, Yi Dong

Food and Machinery

In this paper, 3 kinds of methods such as ultrasonic assisted alkali solution extraction, salt solution extraction and water extraction, were used to extract the green leaf ramie protein, and the protein was also analyzed on the protein concentration, nitrogen solubility index, foaming property, foaming stability, emulsifying property and emulsifying stability. Results: The protein extracted with ultrasonic assisted salt solution exhibited the highest protein concentration (10.73 mg/mL) and nitrogen dissolution index (61.95%). Additionally, the foaming property (26.34%) and foam stability (24.49%) of the protein extracted by this method were significantly better than the other two extraction methods. The protein extracted …

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Determination Of Blending Uniformity Of Cut Tobacco Based On Near Infrared Spectroscopy, Ke-Wen Zhao, Shi Chen, Hao Jiang, Long-Jun Li, Ze-Song Luo, Zhong-Wei Yin, Xing-Lin Zhang, Jing Liu Feb 2023

Determination Of Blending Uniformity Of Cut Tobacco Based On Near Infrared Spectroscopy, Ke-Wen Zhao, Shi Chen, Hao Jiang, Long-Jun Li, Ze-Song Luo, Zhong-Wei Yin, Xing-Lin Zhang, Jing Liu

Food and Machinery

In order to establish rapid evaluation method of tobacco, cut stem and reconstituted tobacco, multiply ratios of sugars to alkali by potassium was selected as blending homogeneity evaluation index sign. Based on tobacco (500), cut stem (500), reconstituted tobacco (250) and the formula of tobacco production line (30) of the near-infrared spectral information and blending evenness index data, the pattern recognition model and the marker correction model of evenness index data of tobacco, cut stem and reconstituted tobacco were built. The results showed as follows. ① The overall information of near-infrared spectra of the three tobacco samples were differences. ② …

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Optimization Of The Boiling Granulation Process Of Lilium Brownii, Le-Bin Yin, Le-Le Li, Xiao-Ke Jin, Ping He, Cong Liao, Dan Liu, Ai-Lian Yang Feb 2023

Optimization Of The Boiling Granulation Process Of Lilium Brownii, Le-Bin Yin, Le-Le Li, Xiao-Ke Jin, Ping He, Cong Liao, Dan Liu, Ai-Lian Yang

Food and Machinery

An instant powder was prepared by using Lilium brow-nii as main raw materials, and huaishan, lotus seeds, barley and red dates as auxiliary materials. Based on the single factor test, the ratio of raw and auxiliary materials, fan frequency, inlet air temperature and peristaltic pump speed were used as influencing factors, product yield and dissolution rate were indicators, and a response surface method was used to optimize the boiling granulation process of Lilium brownii powder. The results showed that the optimal granulation process of response surface were: ratio of raw and auxiliary of 6∶1, the peristaltic pump speed of 5 …

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Study On Nutritional Analysis And Hydrolysis Process Optimization Of Porcine Hemoglobin And Preparation Of Metal Chelating Peptides, Zi-Yi Sun, Jian-Ting Yang, Ning-Ning Xie, Fu-Sheng Zhang Feb 2023

Study On Nutritional Analysis And Hydrolysis Process Optimization Of Porcine Hemoglobin And Preparation Of Metal Chelating Peptides, Zi-Yi Sun, Jian-Ting Yang, Ning-Ning Xie, Fu-Sheng Zhang

Food and Machinery

Taking the porcine haemoglobin as raw material, the basic nutritional indicators and the amino acid composition were detected. Using the hydrolysis degree as the index, the effects of reaction pH, hydrolysis temperature and reaction time were examined. On the basis of single factor experiment, Box-Behnken central composite design was utilized to optimize the hydrolysis process and preparation of metal chelating peptides. Results showed that the porcine haemoglobin has excellent nutritional characteristics and is rich in various amino acids. Moreover,the optimized processing were as followed: pH of 10.69, hydrolysis temperature of 48.50 ℃, hydrolysis time of 6.76 h, substrate concentration of …

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Optimization Of Fermentation Agent For Dry Mustard, Wen-Qing Li, Feng-Lian Luo, Quan Qing, Yi-Lin Jiang Feb 2023

Optimization Of Fermentation Agent For Dry Mustard, Wen-Qing Li, Feng-Lian Luo, Quan Qing, Yi-Lin Jiang

Food and Machinery

The fermentation characteristics of Lactic acid bacteria strains like Leuconostoc mesenteroides, Lactobacillus plantarum and Pediococcus pentosaceus were researched respectively. According to the growth situation, acid-producing ability, salt resistance, temperature tolerance and adaptability to different pH value of strains, the Leuconostoc mesenteroides, Lactobacillus plantarum and Pediococcus pentosaceus were all could be used as mustard’s fermentation strains. In the mixed strains proportioning optimization experiment, the ferment effect of Leuconostoc mesenteroides∶Lactobacillus plantarum∶Pediococcus pentosaceus = 2∶3∶2 which was the best, the total acid content of the fermented product was 1.07%, the amino acid nitrogen content was 0.16%, the volatile ester content was 2.48 g/kg, …

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Research Progress Of Preparation Methods And Application Of Nano-Liposomes In Food Industry, Qian Wang, Bao-Miao Ding Feb 2023

Research Progress Of Preparation Methods And Application Of Nano-Liposomes In Food Industry, Qian Wang, Bao-Miao Ding

Food and Machinery

In this review, the types, structural properties, preparation methods and research progress of liposomes in food industry are summarized, and some problems are analyzed and discussed. Moreover, the development trend of nano-liposomes in the future is prospected.

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Progress In The Study Of Chelate Activity Of Polypeptide Minerals From Different Sources, Yu-Hang Lou, Hong-Yan Xu, Xin-Xiu Xia, Xi-Ming Yang, Chao Wang Feb 2023

Progress In The Study Of Chelate Activity Of Polypeptide Minerals From Different Sources, Yu-Hang Lou, Hong-Yan Xu, Xin-Xiu Xia, Xi-Ming Yang, Chao Wang

Food and Machinery

In this paper, the preparation methods of chelating polypeptides from different sources with the metallic elements, such as calcium, iron, zinc and selenium, as well as the research progress on their antioxidant, antibacterial and immune-enhancing properties were reviewed, and the deficiencies of the existing researches were also analyzed.

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Analysis Of Pyrolytic Properties Of Polysaccharides And Its Application In Cigarette, Huan Liu, Gui-Lin Chu, Li He, Jie-Lun Hu, Hai-Tao Luo Feb 2023

Analysis Of Pyrolytic Properties Of Polysaccharides And Its Application In Cigarette, Huan Liu, Gui-Lin Chu, Li He, Jie-Lun Hu, Hai-Tao Luo

Food and Machinery

The types of polysaccharides that have been used in the research on moisturizing and flavoring of cigarettes are summarized. The types of pyrolysis products, pyrolysis mechanism, and the law of influence on cigarette moisturizing, flavor enhancement, and mainstream smoke are described in detail from the two aspects of cigarettes' own polysaccharides and externally added polysaccharides. The direction for future development is proposed.

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Progress In Saccharomyces Cerevisiae Genome Research And Relative Application, Bi-Yan Chen, Li Wen Feb 2023

Progress In Saccharomyces Cerevisiae Genome Research And Relative Application, Bi-Yan Chen, Li Wen

Food and Machinery

No abstract provided.

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Effect Of 4-Hydroxyphenylacetic Acid On M1 Macrophage Polarization And The Formation Of Macrophage-Derived Foam Cells, Yu-Zhe Yang, Tong-Yun Li, Wu Li, Rui-Li Yang Feb 2023

Effect Of 4-Hydroxyphenylacetic Acid On M1 Macrophage Polarization And The Formation Of Macrophage-Derived Foam Cells, Yu-Zhe Yang, Tong-Yun Li, Wu Li, Rui-Li Yang

Food and Machinery

The aim of the present study is to investigate the potential anti-atherogenic effect of 4-hydroxyphenylacetic acid (4-HPAA), a major microbiota-derived metabolite of polyphenols, on macrophagepolarization and the formation of macrophage derived-foam cells as well as the underlying molecular mechanisms. 4-HPAA treatment could-significantly decrease the secretion and mRNA levels of TNF-α, IL-6 and IL-1β of M1 macrophages induced by lipopolysaccharide (LPS) and interferon-γ (IFN-γ),indicating its ability to inhibit the polarization of macrophage cell into pro-inflammatory M1-typemacrophage. The results of oil red O staining revealedthat 4-HPAA significantly inhibited theaccumulation of lipid droplets in a dose-dependent manner compared with the model cells. …

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Effects Of Three Methods Of Physical Modification On The Functional Properties Of Rice Protein, Yun-Hui Cheng, Hong-Qing Zhao, Li-Li Zhang, Wei-Xuan Du, Ye Jiao Feb 2023

Effects Of Three Methods Of Physical Modification On The Functional Properties Of Rice Protein, Yun-Hui Cheng, Hong-Qing Zhao, Li-Li Zhang, Wei-Xuan Du, Ye Jiao

Food and Machinery

Rice protein is a kind of high-quality plant protein, and its application in the food industry is restricted due to its low solubility. In this study, the rice protein was modified by heat treatment at different temperature, high pressure microfluidization treatment under different pressure and freezing and grinding at different temperature, and its solubility, emulsifying activity (EA), emulsifying stability, foaming activity (FA) and foaming stability of protein were investigated. After heat treatment at 200 ℃, the solubility of rice protein increased from 4.4% to 17.4%, and EA and FA were 3.2 and 1.9 times as high as the original, respectively. …

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Effects Of Different Production Seasons On Volatile Flavor Compounds Of Anyue Ceramic-Pot Sealed Meat, Wei Liu, Lan Xiao, Fang Yang, Juan Li, Lian He, Li-Xin Zhou, Kang Yang Feb 2023

Effects Of Different Production Seasons On Volatile Flavor Compounds Of Anyue Ceramic-Pot Sealed Meat, Wei Liu, Lan Xiao, Fang Yang, Juan Li, Lian He, Li-Xin Zhou, Kang Yang

Food and Machinery

The samples of Anyue ceramic-pot sealed meat produced in January, April, July and October were collected and analyzed by electronic nose, electronic tongue and headspace solid phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS). Artificial sensory evaluation showed that there was no significant difference in the flavor of each Anyue ceramic-pot sealed meat sample (P＞0.05). Electronic nose analysis showed that Anyue ceramic-pot sealed meat had significant difference in odor between January and April (P＜0.05), while other samples had no significant difference (P＞0.05). Electronic tongue analysis showed that Anyue ceramic-pot sealed meat produced in January and October had significant difference in taste (P＜0.01), and …

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The Structure And Physicochemical Properties Of Different Types Of Dietary Fiber, Jun-Guang Li, Xi Jiang, Yun-Tao Wang, Xu-Yang Ma, Yan-Hong Bai Feb 2023

The Structure And Physicochemical Properties Of Different Types Of Dietary Fiber, Jun-Guang Li, Xi Jiang, Yun-Tao Wang, Xu-Yang Ma, Yan-Hong Bai

Food and Machinery

The physicochemical characteristics, including water holding capacity, oil holding capacity, swelling capacity, particle size, solubility, and thermal properties, of chickpea dietary fiber (DF), grape DF, soybean DF and wheat bran DF were evaluated in this study. The structural properties of DFs were characterized by Fourier transform infrared spectrum and scanning electron microscope. The results showed that chickpea DF had the best water holding capacity and oil holding capacity, at 2.45 g/g and 1.97 g/g, respectively. Wheat bran DF had the best swelling capacity (3.18 mL/g). The solubility of four dietary fibers were positively proportional to temperature, among which the solubility …

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Study On Physicochemical Properties And In Vitro Digestion Of The Resistant Starch From Eleusina Coracana (L.) Gaertn, Jia-Li Chen, Jing-Jie Liu, Pan-Fei Xiao, Le Wang, Li-Ya Ma, Chi-Ling Li Feb 2023

Study On Physicochemical Properties And In Vitro Digestion Of The Resistant Starch From Eleusina Coracana (L.) Gaertn, Jia-Li Chen, Jing-Jie Liu, Pan-Fei Xiao, Le Wang, Li-Ya Ma, Chi-Ling Li

Food and Machinery

The resistant starch (RS3) was prepared by ultrasonic and thermal-press processing using the starch from Eleusine cor-acana (L.) Gaertn (finger millet) as a raw material. The physicochemical properties and digestive characteristics of the finger millet RS3 were characterized. The results showed that compared with the raw starch of finger milletraw, RS3 had greater solubility, thermal stability and freeze-thaw stability; while its swelling and settling properties were small, and these characteristics could be used to improve the texture of the food and increase the crispness of the food. Compared with ordinary corn RS3, the finger …

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Analysis And Comporison Of Nutritional Component In The Muscle Of Zhedong Geese And Landes Geese, Hua Yang, Su-Ling Sun, Wei-Hu Chen, Li-Zhi Lu, Yu Zhang, Jun-Hong Wang, Zuo-Yi Zhu, Xue Li, Wei Wang Feb 2023

Analysis And Comporison Of Nutritional Component In The Muscle Of Zhedong Geese And Landes Geese, Hua Yang, Su-Ling Sun, Wei-Hu Chen, Li-Zhi Lu, Yu Zhang, Jun-Hong Wang, Zuo-Yi Zhu, Xue Li, Wei Wang

Food and Machinery

To study the difference of nutritional value of Zhedong geese and Landes geese, the contents of nutritional component in chest and leg muscle of Zhedong geese and Landes geese were determined. The results showed that crude fat content of Zhedong geese was higher than that of Landes geese. However, crude protein and crude ash contents were almost same in Zhedong geese and Landes geese. Both Zhedong geese andLandes geese had a wide variety of amino acids, and their essential amino acids (EAA) compositions and structures fit in FAO/WHO recommended pattern for amino acids. The first limited amino acid in Zhedong …

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Analysis Of Inorganic Elements In Russian Inonotus Obliquus, Wei Ma, Yang-Yang Tan, Shu-Juan Wei, Ce Tan, Qi Zhao, Ping-Ping Lv, Li Cheng Feb 2023

Analysis Of Inorganic Elements In Russian Inonotus Obliquus, Wei Ma, Yang-Yang Tan, Shu-Juan Wei, Ce Tan, Qi Zhao, Ping-Ping Lv, Li Cheng

Food and Machinery

To provide a basis of quality control and safety evalua-tion for developing medicine and functional food of Inonotus obliquus, 4 kinds of heavy metals including lead, cadmium, mercury, arsenic and 18 kinds of microelements including aluminum, boron, barium, calcium, tin, cobalt, copper, iron, potassium, magnesium, manganese, sodium, nickel, phosphorus, strontium, titanium, vanadium, zinc in different color, different part, and different products were detected by national standard, and relative statistical analyses were also carried out. Results showed that the contents of 22 inorganic elements in crude I. obliquus products were higher than that in refined I. obliquus products, while the …

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Simultaneous Determination Of Benzo[A]Pyrene And Its Structural Isomers In Mainstream Cigarette Smoke By Gc-Ms/Ms, Jie-Yun Cai, Hui-Ping Wang, Wei Liu, Xin-Rui Chen, Yan-Chun Xu, Xiao-Wei Ma, Chao Li Feb 2023

Simultaneous Determination Of Benzo[A]Pyrene And Its Structural Isomers In Mainstream Cigarette Smoke By Gc-Ms/Ms, Jie-Yun Cai, Hui-Ping Wang, Wei Liu, Xin-Rui Chen, Yan-Chun Xu, Xiao-Wei Ma, Chao Li

Food and Machinery

In this paper, employed an inter-standard quantitative method for determination of benzo[a]pyrene and its structural isomers (B[b]F, B[k]F, B[j]F, B[j]A, B[e]A, B[e]P, PER) in mainstream cigarette smoke by GC-MS/MS. The results showed that the LODs and the LOQs of target PAHs could achieve 0.056 6~0.181 7 and 0.188 6~0.605 5 ng/cig, respectively, while the linear correlation efficiencies are larger than 0.998 for all PAHs. The Intra-assay and Inter-assay precisions measured by 15 repeat runs are 1.91%~3.97% and 2.54%~4.46%, respectively. And with three different added-levels, the recovery rates for the target PAHs lie between 92.60% and 107.60%. It was proved that …

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Rapid Screening Of Three Kinds Of Guanidine Contraband In Auxiliary Sugar Reduction Capsule, Ying An, Ying Zhou, Jian-Bo Ji, Dong-Mei Ge Feb 2023

Rapid Screening Of Three Kinds Of Guanidine Contraband In Auxiliary Sugar Reduction Capsule, Ying An, Ying Zhou, Jian-Bo Ji, Dong-Mei Ge

Food and Machinery

A method for rapid screening and qualitative and quantitative determination of three biguanides, MH, PH and BH, in Jiangtang capsules by reversed-phase ion-pair-LC-MS was established and validated. Anagilent technologies C18 column (4.6× 250 mm, 5 μm) was used for the determination at 235 nm. A methanol-B ammonium acetate solution (0.01 mol/L) was used as the mobile phase for gradient elution at a flow rate of 0.5 mL/min. After the HPLC detection, the mass spectrometer for positive ion mode scanning was used for screening. The recovery of standard addition was 87.5%~108.4%, and the relative standard deviation was 0.5%~7.4%, with good precision …

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Research On Food Safety Management In Post Epidemic Period From The Perspective Of Supply Chain, Li Zhang Feb 2023

Research On Food Safety Management In Post Epidemic Period From The Perspective Of Supply Chain, Li Zhang

Food and Machinery

The characteristics of food supply chain and risks formation mechanism of key links of food safety based on the perspective of supply chain were reviewed, and the countermeasures of food risk management in the post-epidemic period was discussed. We proposed that strengthening the food safety risk management and establishing an information-sharing platform for food safety supply chain are urgent, and this will optimize the food safety organization and coordination mechanism, improving the food safety monitoring system.

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Text Study On The Civil Infringement Of Food Safety And Perfecting The Approach, Zhou-Lan Liu Feb 2023

Text Study On The Civil Infringement Of Food Safety And Perfecting The Approach, Zhou-Lan Liu

Food and Machinery

Based on the investigation of the civil law of food safety and the food safety law, it was found that the current legislation of civil infringement of food safety was lack of special legislation on civil infringement of food safety. Moreover, the legal compensation of the injured consumers was not effectively guaranteed, and the cost of safeguarding the rights of civil infringement of food safety was too high, and the spiritual compensation was lack of scientific operational provisions needed attention. This review put forward some suggestions on the improvement and construction of the legislation system of civil tort of food …

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Kinematics Analysis And Trajectory Research For Upper-Retort-Robot, Yi-Hui Qing, Shu-Qing Wang, Zi-Peng Zhang, Xi-Yue Zhou Feb 2023

Kinematics Analysis And Trajectory Research For Upper-Retort-Robot, Yi-Hui Qing, Shu-Qing Wang, Zi-Peng Zhang, Xi-Yue Zhou

Food and Machinery

In using the kinematics model to realize the control of the upper retort robot, for the special structure of the rotary upper retort robot, the forward kinematics model was established by improving the Denavit-Hartenberg method, and then the inverse solution expression was analyzed and verified. The simulation results of the workspace showed that the upper retort robot designed in this experiment could complete the tasks of tiling the whole layer and detecting the upper retort. Meanwhile, the hybrid curve method was used to generate the motion trajectory, and the time history of joint angle, angular velocity and acceleration were analyzed. …

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Research On Trajectory Optimization Algorithm Of Palletizing Robot Based On Jitter And Time, Xiao Lai Feb 2023

Research On Trajectory Optimization Algorithm Of Palletizing Robot Based On Jitter And Time, Xiao Lai

Food and Machinery

The palletizing robot was analyzed through its constructure, and constructed its kinematics model and expressed the function of the model. On this basis, used the cubic spline function to carry out reasonable trajectory planning according to the working conditions of the robot, and established the time and jitter as the most optimization model of optimal target. And then used particle swarm optimization to optimize the target model. Through further experimental verification, the results show that the trajectory planning method proposed in this paper can improve the efficiency of the palletizing robot while ensuring stability.

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Design Of Tension Control System Of Food Packaging Machine Based On Fuzzy Fractional-Order Pid, Ya-Nan Hu, Xin Li, Jiao-Fei Huo, Ming-Hui Li, Xiao-Juan Suo Feb 2023

Design Of Tension Control System Of Food Packaging Machine Based On Fuzzy Fractional-Order Pid, Ya-Nan Hu, Xin Li, Jiao-Fei Huo, Ming-Hui Li, Xiao-Juan Suo

Food and Machinery

Aiming at the problem that the film tension control system of food packaging machine has the characteristics of multi-interference, time-varying and non-linearity, and the traditional PID is difficult control, a fuzzy fractional PID film tension control system is designed. Using expert knowledge and mature experience, combined with fractional order control, the control rules of five parameters of fractional order PID are designed, and the on-line real-time tuning of fractional order PID parameters is realized, which improves the precision and stability of bag film tension control. With PLC and touch screen as the core and TIA protal as the development platform, …

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Effect Of Overhead Cool Storage Plate On The Storage Temperature Fluctuation In The Cold Storage During Defrosting, Feng Yang, Qing-Jiang Liu, Rui-Ting Song, Kai Guo Feb 2023

Effect Of Overhead Cool Storage Plate On The Storage Temperature Fluctuation In The Cold Storage During Defrosting, Feng Yang, Qing-Jiang Liu, Rui-Ting Song, Kai Guo

Food and Machinery

In order to reduce the influence of defrosting heat on the temperature fluctuation of the cold storage, this experiment uses two cooling fans in parallel on the basis of continuous defrosting, and studies the influence of defrosting heat on the temperature fluctuation of the cold storage under four working conditions: The resultsindicate that the average temperature of each section of the empty storage is always higher than that of the top cold storage in the process of defrosting; the temperature fluctuation of the top cold storage is 2.52 ℃ and 2.94 ℃ lower than that of the empty storage under …

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New Cycle Temperature Measurement And Control System In Kojibank, Jia-Le Xu, Dan-Ping Huang, Jian-Ping Tian, Shao-Dong Yu, Dan Huang, Hui-Bo Luo, Ying Tian, Liang Liu Feb 2023

New Cycle Temperature Measurement And Control System In Kojibank, Jia-Le Xu, Dan-Ping Huang, Jian-Ping Tian, Shao-Dong Yu, Dan Huang, Hui-Bo Luo, Ying Tian, Liang Liu

Food and Machinery

In order to solve the problems of uneven fermentation of koji bticks, multiple temperature measurement points, complicated temperature structure and unsuitable fine-tuning and control of the temperature system in the traditional koji bank, a dual neural network control algorithm and internal circulation pipeline structure were proposed to achieve real-time temperature measurement and control of the koji bank. The internal air circulation in the room is also introduced. After experimental testing, the system works stably, and can accurately measure and control the ambient temperature of the koji bank during the fermentation process of the koji bricks, so that the temperature in …

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Research On Temperature Measurement Of Fresh Food By Ir Imaging Technology, Li Cheng Feb 2023

Research On Temperature Measurement Of Fresh Food By Ir Imaging Technology, Li Cheng

Food and Machinery

In this study, the application of infrared thermal imaging technology in the detection of fresh agricultural products in cold chain of food was explored. Two fresh agricultural sugar beets and cucumbers were selected and placed on a tray, each covered with three materials (Tyvek, Metallized PET, Metallized Foam PET) to produce a different coated food tray. The food tray was placed in the cold room during the simulation distribution. The surface temperature of the food tray was detected and compared with the infrared thermal imaging camera and the needle detector. The results showed that the temperature measured by the infrared …

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Construction Of Green Food Packaging System Based On The Strategic Management Of The Supply Chain, Lu Zhao Feb 2023

Construction Of Green Food Packaging System Based On The Strategic Management Of The Supply Chain, Lu Zhao

Food and Machinery

In the context of increasingly-prominent global resources and environmental issues, this paper takes thewhole life cycle assessment as the basic principle, combining the basic characteristics of the supply chain network system of food packaging industry, and uses the core links-market investigation-packaging design-material selection-manufacturing and supporting manufacturing-recycling and processing-are the entry point. The green food packaging industry management process and technical system based on the strategic management of the supply chain cycle are initially constructed, and put forwards the practice path and future trend of the green food packaging system in the new era.

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