403,027 results match your criteria Agricultural Economics-Zemedelska Ekonomika[Journal]

New insights on the analysis of phytosterols in pollen and anther wall of tree peony (Paeonia ostii 'Fengdan') revealed by GC-MS/MS.

Anal Chim Acta 2022 Jun 2;1212:339891. Epub 2022 May 2.

Key Laboratory of Plant Resources and Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China; University of Chinese Academy of Sciences, Beijing, 100049, China. Electronic address:

Phytosterols exhibit a wide range of pharmacological activities and have no side-effects, which have attracted more and more attention. In this study, two pre-treatment methods (alkaline hydrolysis and acid-alkali hydrolysis) were performed in parallel for the first time to investigate the effects on phytosterol analysis. The aim is to develop an analytical method for phytosterols in pollen and anther wall of tree peony (Paeonia ostii 'Fengdan') by gas chromatography-mass spectrometry. Read More

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Electrochemical biosensors based on nanomaterials for aflatoxins detection: A review (2015-2021).

Anal Chim Acta 2022 Jun 26;1212:339658. Epub 2022 Feb 26.

NanoBioAnalysis Group-Department of Physical and Analytical Chemistry, University of Oviedo, Julián Clavería 8, 33006, Oviedo, Spain; Biotechnology Institute of Asturias, University of Oviedo, Santiago Gascon Building, 33006, Oviedo, Spain. Electronic address:

Due to their immunotoxicity, aflatoxins are considered as very important natural contaminants of a wide variety of agricultural products. Although conventional techniques such as high-performance liquid chromatography (HPLC) and gas chromatography (GC) combined with mass spectrometry (MS) have traditionally been used to detect such food contaminants, they are relatively expensive, laborious, and time consuming which limits their use for in field analysis at the so-called point-of-care (POC). Electrochemical biosensors are emerging devices that meet these expectations since they rely in reliable, simple, inexpensive, portable, selective, and easy-to-use analytical procedures and instruments that can be used by unskilled personnel outside the laboratory. Read More

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Biofilm-overproducing Bacillus subtilis B12ΔYwcc decreases Cd uptake in Chinese cabbage through increasing Cd-immobilizing related gene abundance and root surface colonization.

J Environ Sci (China) 2022 Oct 24;120:84-93. Epub 2022 Jan 24.

College of Life Sciences, Nanjing Agricultural University, Key Laboratory of Agricultural and Environmental Microbiology, Ministry of Agriculture, Nanjing 210095, China. Electronic address:

Biofilm-producing bacteria can decrease Cd uptake in vegetables, but mechanisms underlying this effect are poorly characterized. In this study, two mutant strains B12ΔYwcc and B12ΔSlrR were constructed from a biofilm-producing Bacillus subtilis strain B12. Then, the impacts of strain B12 and its high biofilm-producing mutant strain B12ΔYwcc and low biofilm-producing mutant strain B12ΔSlrR on Cd availability and uptake in Chinese cabbage and the related mechanisms were investigated in the Cd-polluted soil. Read More

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October 2022

Toxicity and growth characteristics of epiphytic dinoflagellate Gambierdiscus silvae in Japan.

Harmful Algae 2022 Jun 5;115:102230. Epub 2022 Apr 5.

Laboratory of Aquatic Environmental Science (LAQUES), Faculty of Agriculture and Marine Science, Kochi University, 200 Otsu, Monobe, Nankoku, Kochi 783-8502, Japan; The United Graduate School of Agricultural Sciences, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan. Electronic address:

The genus Gambierdiscus is a marine benthic/epiphytic dinoflagellate that has been investigated worldwide as the causative agent of ciguatera poisoning (CP). In Japan, CP occurs mainly in the subtropical region and sporadically in the temperate region. To understand the mechanism of CP outbreaks in the coastal regions, identifying the species of Gambierdiscus occurring in the regions and determining their toxicity and growth characteristics, such as growth responses to temperature, salinity, and light intensity, are important. Read More

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Efficient Identification of Tembusu Virus CTL Epitopes in Inbred HBW/B4 Ducks Using a Novel MHC Class I-Restricted Epitope Screening Scheme.

J Immunol 2022 May 27. Epub 2022 May 27.

Department of Microbiology and Immunology, College of Veterinary Medicine, China Agricultural University, Beijing, China;

The identification of MHC class I-restricted CTL epitopes in certain species, particularly nonmammals, remains a challenge. In this study, we developed a four-step identification scheme and confirmed its efficiency by identifying the UAA*76-restricted CTL epitopes of Tembusu virus (TMUV) in inbred haplotype ducks HBW/B4. First, the peptide binding motif of UAA*76 was determined by random peptide library in de novo liquid chromatography-tandem mass spectrometry, a novel nonbiased, data-independent acquisition method that we previously established. Read More

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The benefits to sub-Saharan Africa of the biological control of weeds: already considerable, but could be far greater.

Curr Opin Insect Sci 2022 May 24:100932. Epub 2022 May 24.

Biocontrol Unit, National Agricultural Research Laboratories, PO Box 7065, Kampala, Uganda. Electronic address:

Sub-Saharan Africa (SSA) is climatically diverse, with many biomes. Many species of invasive alien plants (IAPs) are present, with severe negative impacts which largely remain unquantified. Importation biological weed control (IBWC) has been practised on the continent since the early 20 century, with some notable successes. Read More

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Phosphate mining activities affect crop rhizosphere fungal communities.

Sci Total Environ 2022 May 24:156196. Epub 2022 May 24.

Biotechnology and Nuclear Technology Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, Sichuan, China. Electronic address:

Phosphate mining releases heavy metals into the surrounding environment. In this study, the effects of phosphate mining on rhizosphere soil fungi in surrounding crops, including Lactuca sativa var. angustata, Glycine max (L. Read More

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Recreation reduces tick density through fine-scale risk effects on deer space-use.

Sci Total Environ 2022 May 24:156222. Epub 2022 May 24.

Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, the Netherlands.

Altered interactions between pathogens, their hosts and vectors have potential consequences for human disease risk. Notably, tick-borne pathogens, many of which are associated with growing deer abundance, show global increasing prevalence and pose increasing challenges for disease prevention. Human activities can largely affect the patterns of deer space-use and can therefore be potential management tools to alleviate human-wildlife conflicts. Read More

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Escherichia coli removal in a treatment wetland - pond system: A mathematical modelling experience.

Sci Total Environ 2022 May 24:156237. Epub 2022 May 24.

Instituto Universitario de Ingeniería del Agua y Medio Ambiente - Universitat Politècnica de València, Spain.

A full-scale treatment wetland (TW) (100 inhabitants, 14 m·d), composed of two horizontal subsurface flow wetlands (TW1-400 m and TW2-200 m) and a small pond (13 m), has been evaluated for Escherichia coli (E. coli) removal. The results indicate a global removal from 1. Read More

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Impacts of international food and feed trade on nitrogen balances and nitrogen use efficiencies of food systems.

Sci Total Environ 2022 May 24:156151. Epub 2022 May 24.

Department of Soil Quality, Wageningen University and Research Centre, P.O. Box 47, 6700 AA Wageningen, the Netherlands; Key Laboratory of Plant-Soil Interactions, MOE, College of Resources and Environmental Sciences, China Agricultural University, Yuanmingyuan West Rd. 2, Beijing 100193, China; Wageningen Environmental Research, Wageningen University and Research, P.O. Box 47, 6700 AA Wageningen, the Netherlands.

International trade of agricultural products has greatly increased over time, but its impacts on sustainable development are debated. It may contribute to food security in importing countries, increases the dependency between countries, and has been implicated in displacement of environmental pollution and resource depletion. There is also discussion about the relationships between trade and nitrogen (N) balances and N use efficiencies (NUE). Read More

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Antibacterial aerogels with nano‑silver reduced in situ by carboxymethyl cellulose for fresh meat preservation.

Int J Biol Macromol 2022 May 24. Epub 2022 May 24.

College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi 712100, China. Electronic address:

Bacterial cellulose (BC) was used as a reinforcing agent, citric acid (CA) as a cross-linking agent, and [email protected] as antibacterial nanomaterials, in which [email protected] were reduced from AgNO in situ by carboxymethyl cellulose (CMC) as a reducing agent and stabilizer to fight microbial corruption. Its potential application in packaging fresh meat has been investigated. Results showed that the antibacterial [email protected]/BC/CA aerogels with excellent structural integrity and outstanding water absorption were developed by adding 0. Read More

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Isolation of B-constituent through selective complex coacervation of hordein with ι-carrageenan.

Int J Biol Macromol 2022 May 24. Epub 2022 May 24.

College of Food Science & Nutritional Engineering, China Agricultural University, Beijing, 100083, China; Center of Food Colloids and Delivery of Functionality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China. Electronic address:

The complex behavior of the crude hordein with ι-carrageenan (Car) as a function of pH (11.0-3.0) and Hordein/Car mass ratios (20:1-1:1, w/w) was studied through zeta potential analysis, turbidimetric titration and SDS-PAGE. Read More

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Characterization of hemicellulose during xylogenesis in rare tree species Castanopsis hystrix.

Int J Biol Macromol 2022 May 24. Epub 2022 May 24.

State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangzhou 510642, China; Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architectures, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory of Lingnan Modern Agriculture, Guangzhou, 510642, China. Electronic address:

Hemicellulose is an important component of the plant cell wall which vary in structure and composition between plant species. The research of hemicellulose structures is primarily focused on fast-growing plants during xylogenesis, with slow-growing and rare trees receiving the least attention. Here, hemicellulose structure of the rare species Castanopsis hystrix during xylogenesis was analyzed. Read More

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The impacts of aging pH and time of acid mine drainage solutions on Fe mineralogy and chemical fractions of heavy metals in the sediments.

Chemosphere 2022 May 24:135077. Epub 2022 May 24.

Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China; State Environmental Protection Key Laboratory of Soil Health and Green Remediation, Wuhan, 430070, China; Hubei Key Laboratory of Soil Environment and Pollution Remediation, Wuhan, 430070, China. Electronic address:

Fe (oxyhydr)oxides are the main components that accumulate heavy metals (HMs) in the acid mine drainage (AMD) sediments, but how the aging pH and time of AMD solution affects the Fe mineralogy and HMs speciation remains ambiguous. Herein, we determined the impacts of aging pH and time on the Fe mineralogy and chemical fractions of HMs in the sediments from Dabaoshan mining area using mineral characterizations, chemical extraction, and AMD solution incubation. For the natural AMD sediments, jarosite and goethite are the major Fe (oxyhydr)oxides in sample S1 with solution pH 2. Read More

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Sulfur reduces arsenic accumulation in rice shoot by enhancing root retention and altering arsenic metabolism.

Chemosphere 2022 May 24:135080. Epub 2022 May 24.

Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, Key Laboratory of Plant-Soil Interactions of the Ministry of Education, College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China. Electronic address:

Rice can potentially pose serious health risks due to its higher arsenic (As) uptake. Sulfur (S) is not only an essential macronutrient, but it also has the ability to decrease As accumulation. In the present study, a hydroponic experiment was conducted to investigate the mechanisms underlying the effects of S on the As uptake and transport at different S (pre-)treatments and additional supply levels. Read More

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Transcriptomic analysis of Simpson Golabi Behmel syndrome cells during differentiation exhibit BAT-like function.

Tissue Cell 2022 May 18;77:101822. Epub 2022 May 18.

Division of Pediatric Endocrinology and Diabetes, Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Germany.

High-throughput RNA sequencing of human Simpson-Golabi-Behmel syndrome cells (SGBS) was performed during the time-course of adipogenic differentiation at day 4 (D04), 6 (D06), 8 (D08), and 10 (D10) to characterize transcriptomic changes and to identify key patterns involved in adipogenesis and browning. In the comparisons, 932 and 384 overlapping transcripts were consistently up- and down-regulated, respectively. Combining the results of protein-protein interaction network analysis MCODE and CytoHubba, 55 up-regulated hub genes from four clusters and 9 down-regulated genes were identified. Read More

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Properties of curcumin-loaded zein-tea saponin nanoparticles prepared by antisolvent co-precipitation and precipitation.

Food Chem 2022 May 16;391:133224. Epub 2022 May 16.

College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, People's Republic of China; Qingdao Special Food Research Institute, Qingdao 266109, People's Republic of China. Electronic address:

The properties of nutraceutical-loaded biopolymer nanoparticles fabricated by antisolvent co-precipitation (ASCP) and precipitation (ASP) were compared. Curcumin-loaded zein-tea saponin nanoparticles were fabricated using both methods and then their structural and physicochemical properties were characterized. The diameter of the nanoparticles prepared by ASCP were smaller (120-130 nm) than those prepared by ASP (140-160 nm). Read More

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Dispersive micro solid phase extraction based ionic liquid functionalized ZnO nanoflowers couple with chromatographic methods for rapid determination of aflatoxins in wheat and peanut samples.

Food Chem 2022 May 21;391:133277. Epub 2022 May 21.

School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China; College of Food and Biological Engineering, Jimei University, Xiamen 361021, PR China. Electronic address:

Aflatoxins (AFs) contaminate agricultural products in a wide range of ways during their harvesting, storage and transport. Therefore, the detection of AFs has certain practical significance. Herein, a dispersive micro solid phase extraction (D-µSPE) technology was constructed based on 1-hexyl-3-methylimidazolium hexafluorophosphate ([HMIM][PF]) fabricated ZnO nanoflowers for AFs extraction from food matrix before HPLC procedure. Read More

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Hydrogen sulfide alleviates chilling injury in peach fruit by maintaining cell structure integrity via regulating endogenous HS, antioxidant and cell wall metabolisms.

Food Chem 2022 May 21;391:133283. Epub 2022 May 21.

College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, PR China.

Effects of hydrogen sulfide (HS) on chilling injury (CI), HS, antioxidant and cell-wall metabolisms of refrigerated peaches treated with HS and hypotaurine (HT, HS scavenger) were investigated in present study. Results revealed that HS treatment enhanced endogenous HS content, which was associated with increased related HS synthase enzymes activities, while HT showed the opposite results. Moreover, HS treatment induced the accumulation of ascorbic acid, glutathione and the enhancement of antioxidant enzymes activities compared to control and HT, contributing to lower hydrogen peroxide content and superoxide radical production. Read More

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Efficient preparation of cellulose nanocrystals with a high yield through simultaneous acidolysis with a heat-moisture treatment.

Food Chem 2022 May 21;391:133285. Epub 2022 May 21.

College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, Shandong Province, PR China; Qingdao Special Food Research Institute, Qingdao 266109, PR China; College of Science, Health, Engineering and Education, Murdoch University, Murdoch 6150, Western Australia, Australia. Electronic address:

This study developed a novel method for the facile and efficient preparation of the cellulose nanocrystals (CNCs) by using a simultaneous collaborative process combining sulfuric acid hydrolysis and heat-moisture treatment. In this work, we significantly reduced acid dosage compared to conventional acid solution hydrolysis methods to prepare CNCs. The weight of diluted sulfuric acid is no more than 25% on dry basis weight of microcrystalline cellulose. Read More

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Application of stable isotopic and mineral elemental fingerprints in identifying the geographical originof concentrated apple juice in China.

Food Chem 2022 May 20;391:133269. Epub 2022 May 20.

Technical Center of Qinhuangdao Customs, Qinhuangdao, China; Key Laboratory of Wine Quality & Safety Testing of Hebei Provence, Qinhuangdao, China. Electronic address:

Food traceability is an important component of food safety and quality. Currently, there is no authentic established technique to identify the origin of concentrated apple juice (CAJ) in China. In this study, the isotopes of δC, δO and the contents of 32 elements in CAJ from five production areas (BHB, NWR, SCH, LP and YRAR) were determined. Read More

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Deep learning accurately predicts food categories and nutrients based on ingredient statements.

Food Chem 2022 May 19;391:133243. Epub 2022 May 19.

U.S. Department of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center, 10300 Baltimore Ave, Bldg. 005, BARC-WEST, Beltsville, MD 20705, USA.

Determining attributes such as classification, creating taxonomies and nutrients for foods can be a challenging and resource-intensive task, albeit important for a better understanding of foods. In this study, a novel dataset, 134 k BFPD, was collected from USDA Branded Food Products Database with modification and labeled with three food taxonomy and nutrient values and became an artificial intelligence (AI) dataset that covered the largest food types to date. Overall, the Multi-Layer Perceptron (MLP)-TF-SE method obtained the highest learning efficiency for food natural language processing tasks using AI, which achieved up to 99% accuracy for food classification and 0. Read More

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A peptide aptamer based electrochemical amperometric sensor for sensitive L-glutamate detection.

Bioelectrochemistry 2022 May 18;146:108165. Epub 2022 May 18.

Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Engineering Research Canter for Healthy Livestock and Poultry Production, Scientific Observational and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha, Hunan 410125, PR China. Electronic address:

L-glutamate (L-Glu) has gained much attention owing to its contribution to the umami taste and it plays important roles in the central nervous system. Herein, an enzyme-free amperometric biosensor based on a peptide possessing an electroactive ferrocene linker as ferrocene-Gly-Gly-Gly-Gly-Ile- Pro-Val-Tyr-Cys-Gly-Leu-Ile-Gly-Gly-Gly-Gly-Lys-(CH)- thioctic acid self- assembled on gold electrode was designed and fabricated for specific determination of L-Glu. The biosensor was characterised via cyclic voltammetry, electrochemical impedance spectroscopy, atomic force microscopy and scanning electron microscopy. Read More

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Resonance vibration ameliorating tenderness of yak longissimus thoracis et lumborum: A novel physical tenderization technology.

Meat Sci 2022 May 19;191:108860. Epub 2022 May 19.

Department of Animal Products Technology, Sindh Agriculture University, Tandojam, Pakistan.

Physical tenderization technologies for beef have been of particular interest to the meat industry. Here a novel tenderization technology by mechanical resonance vibration was proposed. The fundamental natural frequency (NF) of the yak longissimus thoracis et lumborum (LTL) was obtained through a hammer impacting on the muscle, and was reported to be 24. Read More

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Investigation of the relationship between microbiota dynamics and volatile changes in chilled beef steaks held under high-oxygen packaging enriched in carbon dioxide.

Meat Sci 2022 May 20;191:108861. Epub 2022 May 20.

Lab of Beef Processing and Quality Control, College of Food Science and Engineering, Shandong Agricultural University, Tai'an, Shandong 271018, PR China; National R&D Center for Beef Processing Technology, Tai'an, Shandong 271018, PR China. Electronic address:

Carbon dioxide (CO) plays an important bacteriostatic role in high-oxygen modified atmosphere packaging (HiOx-MAP). This study aimed to explore the influence of CO on the volatile organic compounds (VOCs) profile in HiOx-MAP beef steaks and assess the changes in VOCs associated with microbiota dynamics during 20-days of chilled storage. Compared to control MAP (CMAP: 50% O/50% N), CO-enriched MAP (TMAP: 50% O/40% CO/10% N) rendered steaks with desirable appearance and odor freshness during storage through inhibiting bacterial growth and reducing the accumulation of acetoin, 2-ethyl-1-hexanol, 1,3-butanediol, diacetyl and 2-heptanone (P < 0. Read More

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De novo transcriptome analysis reveals the molecular regulatory mechanism underlying the response to excess nitrogen in Azolla spp.

Aquat Toxicol 2022 May 19;248:106202. Epub 2022 May 19.

Marine Biotechnology Center, Fuzhou Institute of Oceanography, Minjiang University, Fuzhou 350108, China; Marine and Agricultural Biotechnology Laboratory, Fuzhou Institute of Oceanography, Minjiang University, Fuzhou, China. Electronic address:

Phytoremediation potential of Azolla in removal of nitrogen from wastewater has been promising. However, little is known about the response of Azolla to high concentrations of nitrogen. In this study, the responses of four Azolla species to different concentrations of total nitrogen ranging from 0 to 180 mg L were examined. Read More

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The toxic effects of combined exposure of chlorpyrifos and p, p'-DDE to zebrafish (Danio rerio) and tissue bioaccumulation.

Aquat Toxicol 2022 May 18;248:106194. Epub 2022 May 18.

Beijing Advanced Innovation Centre for Food Nutrition and Human Health, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, PR China.

Pesticides are widely used and frequently detected in the environment. The evaluation on the toxic effects of the co-exposure of two or more pesticides or related metabolites could reflect the real situation of the exposing risks. In this study, zebrafish was used as a model to investigate the potential toxic interactions of chlorpyrifos and 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene (p,p'-DDE) on the survival rate, oxidative stress response and neurotoxicity, as well as their bioaccumulation and distribution in tissues. Read More

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Insights into applications and strategies for discovery of microbial bioactive metabolites.

Microbiol Res 2022 May 10;261:127053. Epub 2022 May 10.

Department of Agricultural & Biological Engineering, Purdue University, West Lafayette, IN 47906, USA. Electronic address:

Secondary metabolites of microbial origin are structurally diverse and functionally versatile compounds that offer selective advantages to the producing organism. Production of these compounds is low under natural conditions and requires elicitation for large-scale production. Omic sciences provide a major breakthrough in the discovery of novel compounds and indicate efficiency of microorganisms to produce a diverse array of chemical entities more than those known today. Read More

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Biochemical, transcriptomic, gut microbiome responses and defense mechanisms of the earthworm Eisenia fetida to salt stress.

Ecotoxicol Environ Saf 2022 May 24;239:113684. Epub 2022 May 24.

College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China; Beijing Key Laboratory of Biodiversity and Organic Farming, Beijing 100193, China. Electronic address:

The accumulation of sodium chloride (NaCl) in soil is a worldwide problem with detrimental effects on the survival of soil animals. The effects of NaCl on earthworms remain unclear. Here, we show that the growth rate, cocoon production rate, annetocin precursor (ANN) mRNA level, and superoxide dismutase and catalase activities in earthworms were reduced under NaCl stress, whereas the mortality rate, reactive oxygen species (ROS) and malondialdehyde activity level increased. Read More

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Lithologic controls on the mobility of Cd in mining-impacted watersheds revealed by stable Cd isotopes.

Water Res 2022 May 16;220:118619. Epub 2022 May 16.

State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, PR China; National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Guangdong Institute of Eco-environmental Science & Technology, Guangdong Academy of Sciences, Guangzhou 510650, PR China. Electronic address:

Cd-rich wastes from open-pit mining can be transported into rivers, which are often followed by deposition in river sediments and/or further transfer into agricultural soils. The lithology of bedrock exerts a huge effect on physicochemical properties (e.g. Read More

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