Life Sciences Commons^™

El Piojo - Diseños, Glo No. 310, Monterey County, And Associated Historical Documents

Individual Ranchos in Monterey and SLO Counties

Diseños - Hand-drawn Spanish-Mexican map demonstrating the physical boundaries of land granted to Mexican citizens by the Spanish or Mexican.

Work Progress Administration Abstract (WPA Abstract) – A summary document prepared in 1938 under the Work Progress Administration program detailing the history of a rancho beginning with the Spanish-American land through the U.S. patenting process.

Hornbeck Rancho Detail Sheet – A summary sheet generated from a land patent database that details the history of a rancho, along with the various state and federal agency record numbers relating to the rancho.

Bancroft Notes – Document detailing information and documents regarding a …

Effect And Application Of On-Line Payment Consumption Way On Food Safety Traceability At Tourist Area, Liu Wenbin

Food and Machinery

The mode of on-line payment consumption has already entered the public life, bringing a lot of convenience for us. The process of payment usually carries vital deal information, and online payment is easily to get and convert this information. Food safety traceability of tourist areas can make full use of the characteristics of online consumer payment, from which we can overcome the problems of safety information flow is easily broken and difficult to carry caused by cash transactions. Based on the convergence of online payment, tourism food safety and feedback information, we should complete food supervisory platform, use big data …

Method And Realization For Flexible Production Level Improvement Of Tobacco Production Line, Su Fubin

Food and Machinery

In order to solve the problem of low efficiency of the whole production line and cannot fully meet the demand for flexible production in the process of tobacco processing, a new type of multi head and flexible multi-function tobacco feeding optimization and reconstruction scheme was put forward. The application results show that the production is more flexible and the storage tank quantity is reduced by 20%, which meet the flexible production goal, and save the investment cost of equipment RMB 383,400 yuan.

Analysis Of Shelf Life Of Different Flavor Barbecue Salt, Yue Yuanyuan, Tian Yan

Food and Machinery

Using accelerated shelf life test method, by improving the different barbecue flavor salt storage temperature and speed up its quality changes, moisture content, total number of colonies, coliform group in different barbecue flavor salt was determined to predict its shelf life through the analysis shelf life model. Results show that the different spices and amount is the main reason that influence the shelf life length, among them, the shelf life of spicy barbecue flavor salt is the longest (298 d), followed is hemp and spicy flavor of barbecue salt (284 d), cumin flavor of barbecue salt and garlic flavor barbecue …

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, …

Oleanolic Acid Inhibits High Salt-Induced Exaggeration Of Warburg-Like Metabolism In Breast Cancer Cells, Suneetha Amara, Mu Zheng, Venkataswarup Tiriveedhi

Chemistry Faculty Research

Cancer cells have a proliferative advantage by utilizing intermediates of aerobic glycolysis (Warburg effect) for their macromolecule synthesis. Although the exact causes of this Warburg effect are unclear, high osmotic stress in solid tumor microenvironment is considered one of the important factors. Oleanolic acid (OA) is known to exert anti-inflammatory and anti-cancer effect. In our current studies, using breast cancer cell lines, we determined the protective role of OA in high salt-mediated osmotic stress-induced cancer growth. Hypertonic (0.16 M NaCl) culture conditions enhanced the cancer cell growth (26 %, p < 0.05) and aerobic glycolysis as marked by increased glucose consumption (34 %, p < 0.05) and lactate production (25 %, p < 0.05) over untreated cells. This effect was associated with increased expression and activity of key rate-limiting enzymes of aerobic glycolysis, namely hexokinase, pyruvate kinase type M2, and lactate dehydrogenase A. Interestingly, this high salt-mediated enhanced expression of aerobic glycolytic enzymes was efficiently reversed by OA along with the decreased cancer cell proliferation. In cancer cells, enhanced aerobic glycolysis is associated with the decreased mitochondrial activity and mitochondrial-associated caspase activity. As expected, high salt further inhibited the mitochondrial related cytochrome oxidase and caspase-3 activity. However, OA efficiently reversed the high salt-mediated inhibition of cytochrome oxidase, caspase activity, and pro-apoptotic Bax expression, thus suggesting that OA induced mitochondrial activity and enhanced apoptosis. Taken together, our data indicate that OA efficiently reverses the enhanced Warburg-like metabolism induced by high salt-mediated osmotic stress along with potential application of OA in anti-cancer therapy.

Physicochemical Properties And Molecular Structure Characterization Of Digestion-Resistant Components In Enzymatic Branch-Chain Elongated Waxy Corn Starch, He Jian, Wang Ren, Zhang Hao, Zhou Xing, Chen Zhengxing

Food and Machinery

The resistant starch (RS) in enzymatic branch-chain elongated waxy corn starch (WCS) was separated by using in vitro digestion method. Then, the physicochemical properties and molecular structure of RS were characterized. The results showed that the morphology of starch was significantly changed after digestion, and irregular cracks appeared on the surface of RS. Moreover, the improvement of thermal stabilities of RS wasalso observed. These results revealed that the amorphous regions of modified starches were preferably to be hydrolyzed during digestion. Compared to modified WCS, the molecular weight of RS was profoundly decreased (6.03×10⁶～1.13×10⁸ g/mol). In addition, the …

Preparation And Structure Characterization Of Whitmania Pigra Polypeptide-Zinc Chelates, Zeng Qingrui, Qian Wenju, Wang Mengfan, Zhou Yu, Chen Yuanyuan, Han Yaoping

Food and Machinery

Peptides were prepared form enzymatic hydrolysis of whitmania pigra protein by composite enzyme(papain and flavorzyme) and then made to react with zinc sulfate heptahydrate under certain conditions to produce polypeptide-zinc chelates that qualitative analysis by sodium sulfide method . The structure of polypeptide-zinc chelates was preliminary research by UV, IR, Fluorescence, X diffraction analysis technology to polypeptide and polypeptide-zinc chelates. The results show that the pH of the reaction system,the mass ratio of polypeptide and zinc,the concentration of whitmania pigra polypeptide have a great influence on the reaction of whitmania pigra peptides and zinc sulfate heptahydrate; By comparing analysis the …

Study On Antioxidant And Anti-Aging Analysis Of Blueberry Wine In C.Elegans, Wei Tao, Zeng Min, Li Ke, Wang Yuanliang

Food and Machinery

In order to determine the concentration of essential substances and functional properties of blueberry wine, antioxidant activity and anti-apoptosis of blueberry wine were analyzed with Caenorhabditis elegans (C. elegans) by feeding different kinds of blueberry wines. Based on blueberry wine, six feeding groups with different proanthocyanidin (PC) concentration and 14% alcohol were set. In same way, another seven feeding groups with different alcohol concentration and 3 mg/mL PC were also set. And the control group C. elegans only fed with E. coli OP50. All results were defined by testing the activity of antioxidant enzyme and apoptosis in C. elegans. It …

Nutrition Evaluation And Solubility Analysis Of Hydrolysate From Urechis Unicinctus Body Wall Muscle, Liu Haimei, Wang Miaomiao, Zhao Qin

Food and Machinery

Nutrition and solubility were evaluated by assaying amino acids composition, AAS, EAAI, NSI and TCA-NSI of hydrolysate from Urechis unicinctus body wall muscle. The results showed that there were all of 18 types of amino acids, and umami amino acids were rich. In umami amino acids, the highest was Glu, 218.263 mg/100 mL, followed by Gly and Ala, third for Asp. Hydrolysate had strong delicious taste and it was a good seafood seasoning base. AAS of EAA was at range of 96～141, and EAAI was 86.50. They showed that EAA was rich and hydrolysate had a high nutritional value. When …

Effect Of Sodium Citrate On Physiological Properties And Composition Of Intestinal Microbiota Of Mice, Zhang Ning, Li Dongyao, Zhang Qiuxiang, Zhang Hao, Chen Wei

Food and Machinery

Effects of sodium citrate were investigated on the growth, the serum biochemical parameters and intestinal flora of mice. Mice were randomly divided into four groups: control group, low-dose group (added 0.65% sodium citrate), middle-dose group (added 2.6% sodium citrate) and high-dose group (added 5.2% sodium citrate).The diet intervention lasted for four weeks. Stool samples and weight data were collected weekly, and the composition of intestinal microbiota and the serum biochemical parameters were determined at the end of the fourth week. Results showed that the addition of sodium citrate made the body weight of mice less than control group. And the …

Hybrid Neural Network Based On Software Measurement For Dm423 Biomass During Batch Cultivation, Zeng Xiangyan, Zhao Liangzhong, Li Bing, Li Lin

Food and Machinery

The biomass concentration estimated by the static feedforward multiplayer neural network of 5-5-1 topology and hybrid neural network - microbe growth model with five inputs of culture time, temperature, pH and dissolved oxygen and glucose concentration. The result showed that the static feedforward multiplayer neural network mean squared error (MSE) of testing samples 1.73×10^-3. And hybrid neural network - microbe growth model offered a much better generalization accuracy than that of single neural network model, with MSE of testing samples of 0.25×10^-3, it was found that there was some deviation between estimated biomass and actual values …

Optimization Of Heat Process Parameters And Mass Transfer Characteristic Of Alkaloids From Areca, Gong Yinyin, Yang Dawei, Gao Xiaoting

Food and Machinery

In order to reduce loss of alkaloids to improve chewing quality during the heat treatment process of areca, the dried areca were used as test materials to investigate the effect of factors about boiling wash and drying after wash as well as drying after flavoring on mass transfer of alkaloids in the shell of betel nut. Based on the mass transfer characteristics of alkaloids, the optimum parameters of heat treatment process were designed. The results showed that alkaloids from nuclear of areca will be dissolved out and transfer in the shell, then diffusing from the shell to the surface, the …

Research On Qualitative Analysis Of Vinegar By Using Near-Infrared Spectroscopy Combined With Som And Svm, Hao Yong, Zhao Xiang, Wen Qinhua, Chen Bin

Food and Machinery

Near-infrared spectroscopy (NIRS) combined with two discriminative analysis methods including self-organization mapping (SOM) and support vector machine (SVM) were used for discriminant analysis of vinegar with different production year and brand. Continuous wavelet transform (CWT) was adopted for spectra preprocessing. Principal component analysis (PCA) was used for spectra dimension reduction and space distribution analysis. The results shown that CWT can effective eliminate spectra translation error. PCA can greatly reduce characteristic spectrum variables and improve modeling efficiency. For identification of vinegar with different production year, the CWT-PCA-SOM method can get 97.37% correct recognition rate (CRR), and the CWT-PCA-SVM method can get …

Optimization On Hplc Detection And Pre-Treatment Conditions Of Patulin In Fresh Apple, Sun Lihua, Qian Huiping, Li Zhiwen, Chen Jiluan, Pang Xuequn, Yan Shijie

Food and Machinery

A rapid and sensitive method was established for the accurate determination of patulin in fresh apples. Experimental parameters including extraction methods, mobile phase composition and flow rate for HPLC which always affect the sensitivity and analysis efficiency of the method were optimized systemically. The results indicated that solid phase extraction (SPE) techniques using functionalized polystyrene-divinylbenzene column (PEP) exhibited satisfactory recoveries comparing with other extraction methods. Under the optimized chromatographic conditions, patulin could be well separated from other impurities within 4 min, and detected with a wide linear range between 10-25 000 μg/L and a detection limit of 10 μg/L (S/N=3) …

Study On Enhancing Antibacteial Activity Of Lactobacillus Plantarum Fmb10 Through Composite Mutagenesis, Chen Yunyun, Lu Zhaoxin, Dang Lijuan, Gao Yuqi

Food and Machinery

Induced mutation of Lactobacillus plantarum fmb10 divided from pineapple was performed by Co⁶⁰γ, low-energy N⁺ beam irradiation, DES, EMS and composite mutagenesis, respectively, to enhance the antibacterial activity. The results showed that Lactobacillus plantarum fmb10 was sensitive to low-energy N+ beam and EMS irradiation, and a high-activity strain fmb10-Z with stable inheritance and forward mutation was obtained after the treatment of EMS-low-energy N⁺ beam composite mutagenesis. The bacteriostatic diameter against E.coli was increased by 23%, and the antibacterial activity of the mutant fmb10-Z was increased 1.5 times compared with original strain.

Determination Of Cd In Shrimps By Microwave Digestion And Inductively Coupled Plasma Mass Spectrometry, Li Qianyun, Zhou Guoyan, Cao Lei

Food and Machinery

The orthogonal array design methods were applied to analyze the influence of H₂O₂ volume/HNO₃ volume/microwave digestion time three factors and their interaction on the extraction of Cd，select an optimized progress to extract Cd from shrimps. The experimental results showed that when H₂O₂ volume was 1.0 mL, HNO₃ volume is 5.0 mL, microwave digestion time was 13 minutes and 46 seconds, under these conditions，the contents of Cd reached 0.497 mg/kg. Determination of GBW10050 (big shrimps) showed that contents of Cd have the same results with standards values. Method limits of detection were obtained …

Functions And Route Of Food Safety In The Financial Performance Of Enterprises, Wang Laigen

Food and Machinery

Food enterprises have the ability to guarantee food safety, will inevitably lead to the interests of the stakeholders to make a choice of behavior, which can affect the interests of enterprises, and ultimately reflect the financial performance of enterprises. By examining the function of food safety in the financial performance of enterprises, it can be found that the food safety affects the attitude of the consumers, the government and the public opinion, so that food companies can improve the financial performance. Therefore, financial performance has the function of promoting food enterprises to fulfill their food safety guarantee responsibilities. However, due …

Research On Self-Navigation System Of Material Grabbing Robot Based On The Inverse Kinematics Analysis, Li Feng, Zhang Xuesong, Yue Yun, Zhang Zhongmei

Food and Machinery

In order to achieve robot self-navigation, based on the inverse kinematics solution of D-H method, the navigation analysis of food material grabbing robot is carried out and the robot navigation positioning solutions were obtained. Through the combination of hardware and software of the robot, the automatic navigation control principle of the robot is described in the form of STL statement, realizing the robot positioning calculation. The efficiency and stability of robot navigation system are verified by practical production, which proves that it was well suited to food material grabbing production line.

Study On Elastic And Plastic Strain Strength For Housing Of Flour Pressure Spray Dryer, Wang Zhencheng, Liu Airong, Wei Jinying, Zhao Yongjie

Food and Machinery

The axisymmetric thin walled housing model for the thin-walled housing of YPG-22500 flour pressure spray dryer was established, and the typical equation of energy method based on the thin-walled housing theory under the elastic-plastic deformation was listed, and the calculation method and condition on strain strength and deformation stiffness were also given. According to the assuming boundary condition on both ends of the housing and to the working environment of cycle fatigue and to the actual situation of materials line hardening, integrated the typical equation successively by the computer to obtain the numerical approximate solution matched the requirement and the …

Discrete Element Simulation And Experiment Research Of Material Flow In Rubber Roller Husker Vibrating Feeder, Jia Lele, Ruan Jinglan

Food and Machinery

The models of Rubber Roller Husker Vibrating Feeder and rice particle are obtained through the discrete element analysis software EDEM. Simulate the movement of material flow in the vibrating feeder by setting up the corresponding parameters. The average speed of single particle is 0.22 m/s roughly under the theoretical parameters, and the average velocity of material flow is around 0.24 m/s. The trajectory is achieved and the feeding uniformity is discussed. In order to verify the feasibility of the simulation results, adopt vibration meter GM63B to measure the actual velocity of material flow under the different amplitude in the experimental …

Experimental Study On Washing Machine Combined Brush-Roller And High-Pressure Gas Spraying For The Bay Scallop, Yang Shuhua, Teng Guijun, Li Na, Yi Jinggang, Wang Jie

Food and Machinery

Facing with the problem that manual cleaning for bay scallop is Labor-intensive, low efficiency，poor health conditions and the demands of industrialization and mechanization production. A kind of double-brush-roller and high-pressure gas spraying combined washing machine was designed, which was efficient and energy saving. It solved the problem that the survival rate of scallops cleaned by high-pressure water. It has been determined that on the premise of scallops cleaning effect and the efficiency, the highest cleaning degree of removing impurity could reach 3.848% and the survival rate could reach 98% under the parameter combination, that the roll core distance of the …

Optimization Design Of Heat Exchanger For Plate Type Heat Exchanger, Zhang Yu, Xie Jiefei

Food and Machinery

Based on the previous research of small batch of grain drying process, exchange the batch type recirculating grain dryer tube for heat exchanger with plate heat exchanger, with easier access to 100 DEG C high temperature steam instead of 800 DEG C flue gas, at the same time, plate heat exchanger can also adopt a more efficient material. Finally, using the matlab optimization toolbox for plate heat exchanger model optimization, under the guarantee for thermal efficiency unchanged, the size of the heat exchanger was optimized. Research has shown that after improvement is higher than before the heat exchanger in heat …

Design And Structure Optimization Of The Multi-Spots Starter-Pressing Machine Of Daqu In Chinese Spirits, Xie Liangliang, Tian Jianping, Yang Haili, Zhang Liangdong, Meng Sidong

Food and Machinery

Considering the paste and wine can not meet the effect of the artificial bending due to the single structure and poor controllability of the existing Daqu liquor knee-piece bending press machine，which result in the discordance of the Daqu overall tightness. A new multiple-points flexible controlled bending press machine was designed. A multitude of hammers in different combinations repeatedly and multiple-points with flexibility crowed and sheared the block, which simulated the artificial start-pressing and block-making, so that better effect of the block with moderateness and uniformity could be achieved. The key component of which supporting plate structure was optimized and analyzed …

Improved Design Of Servomechanism Drive System In Flavoring Feeding, Wu Wenqiang, Yi Hao, Liu Bin, Liu Yong, Zhang Hui, Zhang Xuewu, Xu Junmin

Food and Machinery

According to the low flavoring accuracy in the traditional frequency conversion feeding pump drive system,the the feed pump drive system was improved, the servo motor system was used to drive the liquid feeding, and the control program is optimized. After the modification of the system, the cumulative added essence increased from 0.09% to 0.15%, to ensure the uniformity of spiced charging, improve the product quality, reduce the production cost.

Determination On Freshness Of Strawberry Based On Electronic Nose And Ethanol Sensor, Xu Jing, Zhao Xiujie, Sun Ke, Wang Zhuo, Tu Kang

Food and Machinery

“Hongyan” strawberry was selected as test materials, with the storage temperature of 4 ℃, humidity of 85%~95%, to detect the strawberry freshness based on flavor. Electronic nose (e-nose) and the single ethanol sensor were used to collect the odor of strawberry during storage period. The strawberry was divided into four stages based on the changes of sensory evaluation score and Principal component analysis. By using the partial least squares discriminant analysis (PLS-DA) and classification support vector machine(SVM-C), the model of fresh degree of strawberry was established based on odor discrimination. The overall accuracy for modeling group and validation group were …

Effect On Preservation Of Sugarcane Juice With Chitosan And Lemon Juice, Shen Wangqing

Food and Machinery

To study the effect on preservation of sugarcane juice with chitosan and lemon juice, the mass fraction of chitosan, sterilization temperature, sterilization time and dosage of lemon juice were studied by the single factor, then L₉(3⁴) was designed. The preservation effect were determined by the change of physicochemical characteristics (pH, Vc content, sugar content, acidity and soluble solids) and sensory evaluation of the sugarcane juice, meanwhile the samples were characterized by ultraviolet spectrum. The result showed that the best combination were the mass fraction of chitosan of 1%, the sterilization temperature of 90 ℃, the sterilization …

Preservative Effect Of Active Films Containing Pomegranate Peel Extract As Antimicrobial Agent On Chilled Pork, Hu Shuaifeng, Xie Qingchao, Liang Xianbo, Li Li

Food and Machinery

With 1.5% of pomegranate peel extract (PPE) as antimicrobial agent, polyethylene resin (PE) and polypropylene resin (PP) as base material, PE, PPE—PE, PP/PPE—PE active films were prepared and their basic properties were investigated. Pork stored at refrigeration (4±1) ℃ with PE, PPE—PE, PP/PPE—PE active packaging films, and the effects of preservation were evaluated by total viable count (TVC), total volatile basic nitrogen (TVB-N), pH value, thiobarbituric acid (TBA) value, drip loss and sensory scores. PPE—PE film was 1.96 times the oxygen transmission rate of PE film, 4 times of PP/PPE—PE film. PPE caused the light transmittance of PE film decreased, …

Effect Of Different Packaging Conditions On Storage Quality Of Akesu Walnut, Wang Ping, Song Lijun, Lu Jiankang, Hou Xujie

Food and Machinery

In order to find the best way of physical preservation and storage conditions of xin 2 in Akesu, using aluminum foil packaging, Inflatable packaging, vacuum packaging to wrap the walnuts were stored in low temperature (4 ℃) and room temperature (25 ℃), and controlled trial. Determining the acid value, koettstorfer numbe, iodine number, glucosinolates barbituric acid value, the peroxide value, the activity of lipase, peroxidase, catalase activity of oil from walnut, which change made as oxidation quality evaluation index, to study the difference of the changes of the indexes of different storage conditions using variance analysis. The results showed that: …

Study On Monosaccharide Component And Immunomodulatory Activity Of Water Soluble Polysaccharides From Lettuce Stem, Wang Mingchun, Nie Chenzhipeng, Zhu Peilei, Zhao Shiwei, Wang Naifu, Zeng Xiaoxiong, Zhou Yibin

Food and Machinery

In order to study polysaccharides of lettuce stem, lettuce stem was used as materials to prepare water soluble polysaccharides with the method of water extraction-alcohol precipitation. Monosaccharide components and immunomodulatory activities of polysaccharides were measured by using HPLC and administration route of RAW 264.7 macrophage cells. The results demonstrated that lettuce stem polysaccharides were mainly composed of galacturonic acid, galatose and arabinose in a mole ratio of 22.60∶30.42∶17.88. In the range of 5～200 μg/mL of test concentrations, lettuce stem polysaccharides significantly promoted the proliferation, phagocytosis and NO product of RAW264.7 macrophage cells, which suggested that lettuce stem polysaccharides had a …