Agriculture Commons^™

Aerobic Acclimation Of Bifidobacterium Adolescentis And The Effect On Its Proliferation Of Different Oligosaccharides, Li Yanze, Chen Xiajing, Zhang Shiang, Jin Xin, Xu Lei, Yao Di

Food and Machinery

In order to improve the situation on low number of living bacterium and the weak strain effect on Bifidobacterium adolescentis in fermented products, the anaerobic B. adolescentis was oxygen-resistant domesticated, by using anaerobic and aerobic alternating domesticated method, and the partial pressure of oxygen in the culture medium of B. adolescentis was gradually increased in the process of acclimation. The physiological characteristics before and after the domestication of B. adolescentis was determinated and the effects on its proliferation of the soybean oligosaccharides, xylooligosaccharide and oligomeric maltose were compared. The results showed that the sensitive degree to oxygen in B. adolescentis …

Optimization Of Extruded Process For Bean-Based Multigrain Rice Paste, Liu Shuting, Wang Ying, Shen Yan, Sun Yueru, Zuo Zhaohang

Food and Machinery

Taking bean dregs as the main raw material, compounding miscellaneous grains and homology of medicine and food to prepare soybean-based multigrain rice paste. The material addition amount, screw speed, and the temperature of the zone III barrel were used as response factors, and the gelatinization degree was the investigation index. On the basis of the single factor experiment, the optimal process conditions for the preparation of bean-based multigrain rice paste by the extrusion-expansion technique were obtained by Design-Expert 8.0.6 design test. The results showed that when the material addition amount was 12.5%, the screw rotation speed was 330 r/min, and …

Genetic Diversity Analysis Of Common Bean Germplasms Based On Ssr Molecular Markers, Xia Chunyang, Du Jidao, Han Yiqiang, Sun Haoyue, Li Ming, Wu Hongbin, Zhang Qi, Yu Shenglong

Food and Machinery

The genetic diversity of 69 common bean germplasm resources was analyzed by SSR-PCR reaction system, and cluster analysis was carried out by UPGMA method. Seventeen pairs of SSR markers were detected and 55 allelic mutation loci were obtained, ranging from 2 to 5, with an average of 3.24 markers per pair. Seventeen pairs of primers had 17 polymorphic loci with 100% polymorphism. According to the cluster analysis results, the genetic similarity coefficient (GS) of the material ranged from 0.392 to 0.963, with an average of 0.659. 69 kinds of the beans seeds were divided into four groups at the genetic …

Functional Properties And Subunits Properties Of Oat Protein Isolate Under Different Ph And Ionic Strength, Wang Meiyu, Wang Yu, Chen Zhenjia, Yan Zhou, Liu Longlong

Food and Machinery

Oat protein isolate (OPI) was extracted from oat. The solubility, foaming properties, emulsifying activity and subunits properties of OPI under different pH and ionic strength were studied. The results showed that，at pH 5.0~6.0, OPI has the lowest solubility, the lowest foaming, the highest foam stability, and under alkaline conditions higher emulsification and emulsion stability. Acidic conditions of pH 2.0 and 3.0 cause partial hydrolysis of soluble OPI peptide chains, forming a subunit between 31.0 to 43.0 kDa. No significant difference was found under the alkaline conditions. The solubility was the lowest when the NaCl concentration was 0.05 mol/L, and The …

Improved Design And Test Of A Small Twin-Screw Press In Low Temperature, Cao Meili, Zhang Yonglin, Li Shilong, Gan Weirui

Food and Machinery

The oil extracted by the low temperature twin-screw press is healthy. The structure of the low temperature twin-screw press is big and complicated, so it is not suitable for the rural market. In order to improve the quality of the oil for the peasants, a new small low temperature twin-screw press is improved and designed based on the large and media presses, which was composed of the srews, pressing and shearing rings. The shearing rings were new elements, which could shear the oilseed, increase the pressure and speed up the extrusion of the oil. The number and location of the …

Study On Antithrombotic Effect And Mechanism Of Lemon Juice Powder, Xu Congyue, Lin Kuan, Li Chaoying, Ru Qin

Food and Machinery

The acute blood stasis rat model was made by injecting norepinephrine, then rats stayed in ice water bath for 4 mins. Whole blood viscosity (WBV), erythrocyte sedimentation rate(ESR), coagulation parameters, 6-keto prostaglandin F1α (6-KETO-PGF1α), thromboxane B₂ (TXB₂), endothelial nitric oxide synthase (eNOS) and endothelin-1 (ET-1) were measured. Results: Model group significantly up WBV and ESR level, APTT, PT, TT were decreased whereas FIB content was increased very significantly in rats of the model group, meanwhile the 6-keto-PGF1α and eNOS level were lower and TXB₂ and ET-1 level were higher. Lemon juice powder groups might down WBV …

Protective Effects Of Alcohol Extraction From Peony Stamen On H2O2-Induced Damage In Huvec, Luo Lei, Guan Ningning, Xiang Jinle, Zhu Wenxue

Food and Machinery

The main components of the alcohol extraction from peony stamen was analyzed by high performance liquid chromatography. H₂O₂ induced human umbilical vein endothelial cells (HUVEC) cells to establish a damage model to study the protective effect of peony flower extract. Results: the alcohol extraction from peony stamen mainly contain three monomers, namely rutin, quercetin and paeoniflorin, with contents of 44.25%, 15.50% and 17.00%, respectively. The alcohol extraction from peony stamen can reduce the content of MDA in cells and culture medium, increase the activities of SOD, GPX and GSH content in the calls. The alcohol extraction of …

Optimization On Pre-Fermentation Process Of Black Bean Douchi Fermented By Bacillus Subtilis Natto, Zhang Qi, Zhu Dan, Niu Guangcai, Wei Wenyi, Zhao Jing, Wu Yue

Food and Machinery

Taking the black bean as the main raw material, the total polyphenol content and DPPH radical scavenging rate as the indexes, the single factor experiment and orthogonal experiment design were used to optimize the pre-fermentation conditions of black bean douchi made by bacillus subtilis natto. The results showed that the optimum fermentation conditions were as follows: fermentation time was 4 d, fermentation temperature was 39 ℃, inoculation amount of bacillus subtilis natto was 2.5 g/100 g·black bean. Under this condition the total polyphenol content of black bean douchi was 4.24 mg/g, and the DPPH radical scavenging rate was 79.86%, which …

Study On Antioxidant Activities Of Various Solvent Polyphenol Extracts From Black Soybean Seed Coat, Ren Manni, Wang Cuntang, Tang Xuhua, Sun Peng, Gao Zengming

Food and Machinery

Black soybean seed coat were extracted using three solvent systems: 70% acetone, ethanol and methanol. The extracts were tested for their total phenolic content, total flavonoid content and antioxidant activities. The results showed that the extracts with acetone as the extraction agent had the highest yield［(11.23±0.005) g/100 g］, and the extracts had the highest total phenol content of (845.32±21.35) mg/g and total flavonoids content of (63.72±2.35) mg/g. Meanwhile, IC₅₀ of acetone extract on DPPH free radical and ABTS free radical were (0.059±0.005) mg/mL and (0.057±0.004) mg/mL, respectively. The antioxidant activities were lower than ascorbic acid but higher than methanol …

Bacteriocin Production By Lactic Acid Bacteria (Lab) Isolated From Traditional Cheese, Flutura C. Ajazi, Matthias Ehrmann, Idriz Vehapi, Driton Sylejmani, Afrim Hamidi, Rreze M. Gecaj

UBT International Conference

Lactic Acid Bacteria (LAB) are a group of bacteria that are found as natural microbiota in various ecosystems. They are used ato producea huge variety of fermented foods, they occur in pharmaceutical formulations and as probiotics in functional foods. They can produce a number of antimicrobial metabolites, including organic acids and other organic components, hydrogen peroxide and bacteriocins. The aim of this study was the evaluation of antibacterial activity of LAB isolated during production and maturation of traditional Rugova cheese. Samples for analysis were collected from different points of Rugova region and were transported to the laboratory under constant cooling …

Statistical Process Control Of The Wort For Beer Production Of “Peja Beer”, Xhemë Lajçi, Kastriot Pehlivani, Arsim Elshani, Nushe Lajçi

UBT International Conference

This study evaluates the process of production wort for beer production of “Peja Beer”. Samples of wort were taken for the period of ten days for measurable characteristics: original extract, pH and color. The process was conducted under real production conditions, where every four hours 315 hl of wort was produced. The Shewhart Control Graph for Individual Measurements was taken to determine if the process was with respect to each quality characteristic statistically under control. Based on the obtained results, we came to the conclusions that the process was under control. The upper and lower control limit for the original …

Determination Of Nutritional Quality Of Strawberries (Fragaria X Ananassa Duch.) From Plantation In Kosovo Area, Sara Selimi, Hyrie Koraqi, Diellëza Azemi, Sami Makolli, Gylxhane Kastrati

UBT International Conference

Strawberries (Fragaria x Ananassa Duch.) are appreciated and important in our diet for their sensory and nutritional characteristics because of their high content of essential nutrients is beneficial for biological activity in human health. The aim of this research was to analysis nutritional quality by chemical parameter of fresh strawberry samples from plantation in Kosovo area at the ripe stage. The following quality parameters were determined in the strawberry’s fruits: pH, dry matter, total soluble solids (TSS/◦Brix), total acidity (TA), TSS/TA ratio, Total sugars, reducing sugars, sucrose, vitamin C, protein, and lipids. Our results can be used to inform potential …

Nutritional Quality Of Commercial Baby Food Based On Cereals, Diellëza Azemi, Hyrie Koraqi, Sara Selimi, Namik Durmishi, Violeta Lajqi

UBT International Conference

Commercial baby food based on cereals are the products usually made with cereals, sugar and variable additives. As the foodstuffs intended for particular nutritional uses, baby foods for infants and young children conforms to a set of strict guidelines e.g. nutritional quality, addition of additives, labelling. However, being an important supplement to children diet and for their progressive adaptation to ordinary food, the nutritional quality of commercial baby food based on cereals in very important. Samples of commercial baby food from the market and pharmacies were analyzed by parameters: pH, total soluble solids, moisture, total acidity, vitamin C, proteins, sugars …

The Effect Of Plant-Based Preservatives On The Reduction Of Microbiological Activity In Fresh Milk, Ali Rudari, Anil Krasniqi, Egzon Hasani, Ismail Ferati

UBT International Conference

The scope of this study has been the antimicrobial effect of plantbased preservative on fresh milk. Analyzes of the total number of microorganisms in milk have been carried out in accordance with the requirements of ISO 4833. From the samples taken randomly in the market were separated in two samples where one we analyzed the number of total microorganisms without using any treatment, while in the other one we analyzed the number of total microorganisms after adding a quantity of 0.4 ml preservative per 1 L milk. The results show that the number of microorganisms decreased by 26 times 30 …

Production Of Non-Alcoholic Beer, Mybeshir Pajaziti, Kastriot Pehlivani

UBT International Conference

This study is conducted on the basis of market demand and J.S.C. “Birra Peja”, Peja, Kosovo, beer factory management demand for a quality non-alcoholic beer. This study aims to produce alcohol-free beer with technological process. This beer should have 0% alcohol and 6.0 - 6.2% basic extract. The entire production process is engaged in this study. The work done in the production was monitored by the laboratory of the factory "Birra Peja". The work was also monitored in the laboratory of the brewery “Union” in Ljubljana, Slovenia, the National Institute of Health in Pristina, and the Peja Agricultural Institute.

Chemical …

A Research Of Some Pathogen Microorganisms In Traditional Sharri Cheese, Ali Aydin, Endra Luzha

UBT International Conference

Sharri cheese is a traditional hard, fatty and salty type of cheese produced in Sharri, Gora, Opoja and Shtirpca towns in the Sharr Mountains region. Sharri cheese is produced by processing sheep milk, cow milk or their mixture. The aim of this study was to determine the microbiological quality of traditionally and industrially produced Sharri cheese. In total 58 samples of cheese were examined. Staphyloccocus aureus was positive in 57 samples. In a research for Eschericia coli, 34 samples showed result from 1x10¹/mL to 4.5x10⁶/mL. According to our results, Sharri cheese can carry risk for foodborne pathogens and these …

Determination Of Total Bacteria Count, Somatic Cells And Physico - Chemical Parameters Of Raw Milk In Peja, Gjakova And Prizreni Region, Arianeta Nura, Hyzer Rizani, Shkurta Bajraktari, Luljeta Rukolli

UBT International Conference

The aim of our research was to determine the quality of raw cow’s milk in three regions of Kosova through total bacteria count (TBC), somatic cell count (SCC) and physico-chemical parameters. A total of 120 samples were collected from farms during the period January – June 2019. Microbiological evaluation was conducted based on the definition of total bacterial count (TBC) and somatic cell count (SCC). Also, physico-chemical parameters tested include fat, protein, lactose, Solid Non Fat (SNF), total solids content (TS), freezing point depression (FPD), density and acidity ^oSH. The obtained results showed that TBC count was: in Peja …

Product Ingredients - Advertising Labeling, Florije Tahiri, Violeta Lajqi, Kushtrim Tahiri

UBT International Conference

The higher standard of life has also raised the market demand for variety of products while impacting the producers’ behavior in regards to marketing. One of the ways the producers offer and present to customers their products is through label advertising. Raised awareness among customers has made possible the demand for higher quality products, but are higher quality products being offered to citizens? This research has analyzed the food legislative framework, food product samples were analyzed, few local and international food shops were visited, and one to one interviews were conducted with consumers. Based on the results of the research, …

Ribosomal Protein Rpl35/Ul29 Function In Different Diseases, Gazmend Temaj

UBT International Conference

RpL35/uL29 is member of large subunits. It is shown that RpL35/uL29 participate in different processes in diseases and development. It is shown that RpL35/uL29 is important for ribosome mature. Many authors show that RpL35/uL29 is good indicator for diagnosis. Here we will described role and function of ribosomal protein RpL35/uL29 in different cancer diseases such as colorectal adenocarcinoma and atherosclerosis.

Hyperspectral Imaging Logics: Efficient Strategies For Agri-Food Products Quality Control, Giuseppe Bonifazi, Riccardo Gasbarrone, Silvia Serranti

UBT International Conference

The increasingly normative severity and market competitiveness have led the agriculture sector and the food industry to constantly look for logic improvements that can be applied in processes monitoring systems. In a context where fast, non-destructive and reliable techniques are required, image analysis-based methods have gained interest, thanks to their ability to spatially characterize heterogeneous samples. In such a scenario, HyperSpectral Imaging (HSI) is an emerging technique that provides not only spatial information of imaging systems, but even spectral information of spectroscopy. The utilization of the HSI approach opens new interesting scenario to quality control logics in agricultural and food …