Life Sciences Commons^™

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 …

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.

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.

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.

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.

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.

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.

Study On Oxidation Degradation Products Of Linoleic Acid, Wang Jianhui, Wang Xiu, Chen Qi, Wang Faxiang, Li Xianghong, Yu Jian, Liu Yongle

Food and Machinery

GC—MS was applied to identify the acceleration of oxidative products formed from linoleic acid stored at 60 ℃. Both volatile and non-volatile oxidates were focus on in the present study. The results showed that the oxidative products formed in the primary oxidation stage were continuously oxidized into volatiles (such as aldehydes, ketones, alcohols, furan, etc.) during the course of accelerated oxidation. The relative contents of Hexanal, (E)-2-Heptena, (E)-2-Nonena, (E)-3-Nonene-2-one, 2-pentyl Furan changed obviously before 12 h and they could be used as evaluation indices of the primary autoxidation of linoleic acid. However, the relative contents of (E, E)-2, 4-Nonadienal, (E, …

Study On Functional Properties Of Camelina Sativa Gum, Li Zezhen, Chen Min

Food and Machinery

The viscosity, foaming properties, emulsifying capabilitiy and synergetic action of Camelina sativa gum were studied by comparison to other gums. The results showed Camelina sativa gum solution in low concentration exhibited high apparent viscosity and good emulsifying and foaming properties. The viscosity of the compound gum increased sharply and the optimum ratio was 5∶5 of Camelina sativa gum to xanthan gum, and 9∶1 of Camelina sativa gum to guar gum. Camelina sativa gum improved the shear resistance and it could be well co-opperated with other gums. Meanwhile, the additive Camelina sativa gum had good properties.

Apreliminary Inquiry Into Causes Of Dark Spots In Egg Shell, Zhang Mingrong, Ye Jinsong, Li Xinyang, Zhang Zili, Han Jingjing, Wang Yuhan

Food and Machinery

In order to preliminarily explore the causes of eggshell dark spots, the thickness, hardness, moisture and protein content of calcareous hard eggshell, and the thickness and protein content of shell membrane were measured in the normal eggshell and dark spots portion as well as no spots portion of dark spots eggshell, and the ultra structure was also studied results: The hardness of calcareous hard eggshell of dark spots eggshell was minimum, and its water content was maximum, which were highly significant (P<0.01) compared with other groups; However, there with no difference between spots group and the normal group. The thickness of calcareous hard shell was similar among the three groups, while that of shell membrane was highly significant (P < 0.05). In addition, protein content of calcareous hard shell of three groups had no significant difference (P > 0.05), while that of shell membrane of dark spots egg was much lower than the normal egg (P < 0.01). The result of scanning electron microscope showed that both the calcareous hard shell and shell membrane of dark spots group had more significant loose texture and porosity features than other groups. In conclusion, the formation of dark spots was mainly due to that the shell membrane under eggshell dark spots was thin with large mesh, resulting in moisture of the egg permeated through the shell membrane into the calcareous hard shell easily, and then the moisture was absorbed by calcareous hard shell, resulting in the formation of dark spots gradually.

Nondestructive Detection Of Internal Quality Of Loquat By Near Infrared Spectroscopy, Wang Xi, Wu Xiyu, Pang Lan, Xu Dan

Food and Machinery

Spectra data of the 101 loquat samples were obtained by using NIRS and the TSS, titratable acid, Vc of the samples were determined by conventional chemical methods. The mathematical pretreatment methods were used as spectral preprocessing options, and then the calibration models of TSS, titratable acid and Vc were established respectively by PLS. By using these models, the TSS, titratable acid and Vc in the validation sets can be predicted. The Rp2 are 0.906, 0.745, 0.554, RMSEP are 0.628, 0.048, 2.23 respectively, and the RPD of TSS is 3.31. Thus, the calibration model of TSS can be used for the …

Design Of A New-Type Continuous Stack-Up Juice Press And Proof On Experimental Machine, Ma Songbai, Zhang Shaoying, Wang Jing

Food and Machinery

Based on the analysis on demands of fruit-vegetable juice processing, and advantages and disadvantages of some typical industrial press machines, the technical solution of a new-type continuous stack-up juice press was presented. The mechanical structure and working principle of the juice press were illustrated in details. Besides that, based on the basic filter-press unit, an experimental machine was created to proof this technological solution. And then experiments with pressing Ralls apples juice were done in the experimental machine. The experimental results show that when the driving motor rotates around 600 r/min, the juice yield rate is 81.16%, and the average …

Empty Bottle Inspection Method To Realize Image Acquisition Technology Based On Computer Vision, He Xiaohu

Food and Machinery

According to the shortcomings of traditional detection system of slow speed and low efficiency, demonstrated the feasibility based on the computer vision of empty beer bottle detection image acquisition technology, and discussed the methods of image acquisition technology to achieve, discussed the basic technical route of system, established the system framework, and analyzed the main problems need to be solved in the research. To overcome the disadvantages of manual detection and improve the efficiency of empty bottle detection, it plays a great role.

Improvement Of Pressing Device In Ch Wrapper, Deng Yongxiang, Li Gaojun

Food and Machinery

The cigarette packet under the pressing device of the CH wrapper is easy to be friction scratch by conveying belt, when the equipment is stopped. In order to solve this problems, the pressing device was improved as following： ①between the hinge and support are connected by threads into elastic connection; ② when the CH wrapper is stopped, the pressing device is a cylinder lifting left the cigarette packets without pressure of the cigarette package. The results of application showed that the new device can guarantee the normal operation of equipment, and effectively solves the cigarette packets and conveyor belt friction …

Study On Composition And Antioxidant Activity Of Amino Acids In Pickled Tofu Oligopeptides, Tang Jie

Food and Machinery

By water soluble preparation of oligo peptide of fermented bean curd, physico-chemical analysis and amino acid composition analysis, through and ascorbic acid comparison ·OH, DPPH·, O-₂· free radical scavenging capacity, evaluation of fermented bean curd oligopeptides antioxidant activity of the oligopeptides. The results showed that the total protein content of fermented bean curd oligopeptides 85.47%. The amino acid composition of the rich, rich in antioxidant amino acids must amino acid content of 34.43%, with the total amino acid content of antioxidant activity was 30.5%; antioxidation experiment results show, fermented bean curd oligopeptides with free radical scavenging capacity and …

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.

The Frequency Of Influenza And Bacterial Co-Infection: A Systematic Review And Meta-Analysis., Eili Y. Klein, Bradley Monteforte, Alisha Gupta, Wendi Jiang, Larissa May, Yu-Hsiang Hsieh, Andrea Freyer Dugas

Emergency Medicine Faculty Publications

AIM: Co-infecting bacterial pathogens are a major cause of morbidity and mortality in influenza. However, there remains a paucity of literature on the magnitude of co-infection in influenza patients.

METHOD: A systematic search of MeSH, Cochrane Library, Web of Science, SCOPUS, EMBASE, and PubMed was performed. Studies of humans in which all individuals had laboratory confirmed influenza, and all individuals were tested for an array of common bacterial species, met inclusion criteria.

RESULTS: Twenty-seven studies including 3,215 participants met all inclusion criteria. Common etiologies were defined from a subset of eight articles. There was high heterogeneity in the results (I(2) …

San Simeon - Diseños, Glo No. 322, San Luis Obispo County, And Associated Historical Documents

Individual Ranchos in Monterey and SLO Counties

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

Expediente – Hand-written Spanish-Mexican land grant document issued to Mexican citizens in Alta California for land in Alta-California.

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.

Hoffman Notes -- Summary of information concerning claims made for the Rancho lands from the Appendix listing Table of Land Claims in the Reports of …

San Geronimo (Villavicencio) - Diseños, Glo No. 324, San Luis Obispo County, And Associated Historical Documents

Individual Ranchos in Monterey and SLO Counties

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

Expediente – Hand-written Spanish-Mexican land grant document issued to Mexican citizens in Alta California for land in Alta-California.

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.

Hoffman Notes -- Summary of information concerning claims made for the Rancho lands from the Appendix listing Table of Land Claims in the Reports of …

Punta De La Laguna - Diseños, Glo No. 354, San Luis Obispo And Santa Barbara 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.

Expediente – Hand-written Spanish-Mexican land grant document issued to Mexican citizens in Alta California for land in Alta-California.

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.

Hoffman Notes -- Summary of information concerning claims made for the Rancho lands from the Appendix listing Table of Land Claims in the Reports of Land Cases …

The Hiv-1 Tat Protein Is Monomethylated At Lysine 71 By The Lysine Methyltransferase Kmt7, Ibraheem Ali, Holly Ramage, Daniela Boehm, Lynnette M. A. Dirk, Naoki Sakane, Kazuki Hanada, Sara Pagans, Katrin Kaehlcke, Katherine Aull, Leor Weinberger, Raymond Trievel, Martina Schnoelzer, Masafumi Kamada, Robert L. Houtz, Melanie Ott

Horticulture Faculty Publications

The HIV-1 transactivator protein Tat is a critical regulator of HIV transcription primarily enabling efficient elongation of viral transcripts. Its interactions with RNA and various host factors are regulated by ordered, transient post-translational modifications. Here, we report a novel Tat modification, monomethylation at lysine 71 (K71). We found that Lys-71 monomethylation (K71me) is catalyzed by KMT7, a methyltransferase that also targets lysine 51 (K51) in Tat. Using mass spectrometry, in vitro enzymology, and modification-specific antibodies, we found that KMT7 monomethylates both Lys-71 and Lys-51 in Tat. K71me is important for full Tat transactivation, as KMT7 knockdown impaired the transcriptional activity …

San Bernardo (Cane) - Diseños, Glo No. 326, San Luis Obispo County, And Associated Historical Documents

Individual Ranchos in Monterey and SLO Counties

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

Expediente – Hand-written Spanish-Mexican land grant document issued to Mexican citizens in Alta California for land in Alta-California.

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.

Hoffman Notes -- Summary of information concerning claims made for the Rancho lands from the Appendix listing Table of Land Claims in the Reports of …

San Luisito - Diseños, Glo No. 327, San Luis Obispo County, And Associated Historical Documents

Individual Ranchos in Monterey and SLO Counties

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

Expediente – Hand-written Spanish-Mexican land grant document issued to Mexican citizens in Alta California for land in Alta-California.

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.

Hoffman Notes -- Summary of information concerning claims made for the Rancho lands from the Appendix listing Table of Land Claims in the Reports of …

Pismo - Diseños, Glo No. 336, San Luis Obispo 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.

Expediente – Hand-written Spanish-Mexican land grant document issued to Mexican citizens in Alta California for land in Alta-California.

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.

Hoffman Notes -- Summary of information concerning claims made for the Rancho lands from the Appendix listing Table of Land Claims in the Reports of Land Cases …

San Miguelito [Avila Or Abila] - Diseños, Glo No. 355, San Luis Obispo County, And Associated Historical Documents

Individual Ranchos in Monterey and SLO Counties

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

Expediente – Hand-written Spanish-Mexican land grant document issued to Mexican citizens in Alta California for land in Alta-California.

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.

Hoffman Notes -- Summary of information concerning claims made for the Rancho lands from the Appendix listing Table of Land Claims in the Reports of …

Surface Dynamics Of Crude And Weathered Oil In The Presence Of Dispersants: Laboratory Experiment And Numerical Simulation, Alexander Soloviev, Brian K. Haus, Michael G. Mcgauley, Cayla Whitney Dean, David G. Ortiz-Suslow, Nathan J. M. Laxague, Tamay M. Ozgokmen

Marine & Environmental Sciences Faculty Articles

Marine oil spills can have dire consequences for the environment. Research on their dynamics is important for the well-being of coastal communities and their economies. Propagation of oil spills is a very complex physical-chemical process. As seen during the Deepwater Horizon event in the Gulf of Mexico during 2010, one of the critical problems remaining for prediction of oil transport and dispersion in the marine environment is the small-scale structure and dynamics of surface oil spills. The laboratory experiments conducted in this work were focused on understanding the differences between the dynamics of crude and weathered oil spills and the …

Santa Rosa (Estrada) - Diseños, Glo No. 323, San Luis Obispo County, And Associated Historical Documents

Individual Ranchos in Monterey and SLO Counties

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

Expediente – Hand-written Spanish-Mexican land grant document issued to Mexican citizens in Alta California for land in Alta-California.

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.

Hoffman Notes -- Summary of information concerning claims made for the Rancho lands from the Appendix listing Table of Land Claims in the Reports of …

Santa Manuela - Diseños, Glo No. 338, San Luis Obispo County, And Associated Historical Documents

Individual Ranchos in Monterey and SLO Counties

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

Expediente – Hand-written Spanish-Mexican land grant document issued to Mexican citizens in Alta California for land in Alta-California.

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.

Hoffman Notes -- Summary of information concerning claims made for the Rancho lands from the Appendix listing Table of Land Claims in the Reports of …

Suey - Diseños, Glo No. 350, San Luis Obispo County, And Associated Historical Documents

Individual Ranchos in Monterey and SLO Counties

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

Expediente – Hand-written Spanish-Mexican land grant document issued to Mexican citizens in Alta California for land in Alta-California.

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.

Hoffman Notes -- Summary of information concerning claims made for the Rancho lands from the Appendix listing Table of Land Claims in the Reports of …

Santa Ysabel (Arce) - Diseños, Glo No. 319, San Luis Obispo County, And Associated Historical Documents

Individual Ranchos in Monterey and SLO Counties

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

Expediente – Hand-written Spanish-Mexican land grant document issued to Mexican citizens in Alta California for land in Alta-California.

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.

Hoffman Notes -- Summary of information concerning claims made for the Rancho lands from the Appendix listing Table of Land Claims in the Reports of …