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Anti-methanogenic potential of seaweeds and seaweed-derived compounds in ruminant feed:current perspectives,risks and future prospects

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Journal of Animal Science and Biotechnology 2024年第2期15卷 463-489页

作者： Ailbhe McGurrin Julie Maguire Brijesh K.Tiwari Marco Garcia-Vaquero Section of food and Nutrition School of Agriculture and Food ScienceUniversity College DublinDublin 4BelfieldIreland TEAGASC Food Research CentreDublin 15AshtownIreland Bantry Marine Research station Ltd BantryCo.CorkP75 AX07GearhiesIreland

With methane emissions from ruminant agriculture contributing 17%of total methane emissions worldwide,there is increasing urgency to develop strategies to reduce greenhouse gas emissions in this sector.One of the proposed strategies is ruminant feed intervention studies focused on the inclusion of anti-methanogenic compounds which are those capable of interacting with the rumen microbiome,reducing the capacity of ruminal microorganisms to produce methane.Recently,seaweeds have been investigated for their ability to reduce methane in ruminants in vitro and in vivo,with the greatest methane abatement reported when using the red seaweed Asparagopsis taxiformis(attributed to the bromoform content of this species).From the literature analysis in this study,levels of up to 99%reduction in ruminant methane emissions have been reported from inclusion of this seaweed in animal feed,although further in vivo and microbiome studies are required to confirm these results as other reports showed no effect on methane emission resulting from the inclusion of seaweed to basal feed.This review explores the current state of research aiming to integrate seaweeds as anti-methanogenic feed additives,as well as examining the specific bioactive compounds within seaweeds that are likely to be related to these effects.The effects of the inclusion of seaweeds on the ruminal microbiome are also reviewed,as well as the future challenges when considering the largescale inclusion of seaweeds into ruminant diets as anti-methanogenic agents.

关键词： Asparagopsis Bromoform Methanogenesis Phlorotannin Saponin Tannin

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Multi-omics analysis reveals the molecular regulatory network underlying the prevention of Lactiplantibacillus plantarum against LPS-induced salpingitis in laying hens

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Journal of Animal Science and Biotechnology 2024年第1期15卷 427-441页

作者： Dan Song Aike Li Bingxu Chen Jia Feng Tao Duan Junlin Cheng Lixian Chen Weiwei Wang Yuna Min College of Animal Science and Technology Northwest A&F UniversityShaanxiPeople’s Republic of China Key Laboratory of Grain and oil Biotechnology of National food and Strategic Reserves Administration Academy of National Food and Strategic Reserves AdministrationBeijingPeople’s Republic of China

Background Salpingitis is one of the common diseases in laying hen production, which greatly decreases the economic outcome of laying hen farming. Lactiplantibacillus plantarum was effective in preventing local or systemic inflammation, however rare studies were reported on its prevention against salpingitis. This study aimed to investigate the preventive molecular regulatory network of microencapsulated Lactiplantibacillus plantarum(MLP) against salpingitis through multi-omics analysis, including microbiome, transcriptome and metabolome analyses.Results The results revealed that supplementation of MLP in diet significantly alleviated the inflammation and atrophy of uterus caused by lipopolysaccharide(LPS) in hens(P < 0.05). The concentrations of plasma IL-2 and IL-10 in hens of MLP-LPS group were higher than those in hens of LPS-stimulation group(CN-LPS group)(P < 0.05). The expression levels of TLR2, MYD88, NF-κB, COX2, and TNF-α were significantly decreased in the hens fed diet supplemented with MLP and suffered with LPS stimulation(MLP-LPS group) compared with those in the hens of CN-LPS group(P < 0.05). Differentially expressed genes(DEGs) induced by MLP were involved in inflammation, reproduction, and calcium ion transport. At the genus level, the MLP supplementation significantly increased the abundance of Phascolarctobacterium, whereas decreased the abundance of Candidatus_Saccharimonas in LPS challenged hens(P < 0.05). The metabolites altered by dietary supplementation with MLP were mainly involved in galactose, uronic acid, histidine, pyruvate and primary bile acid metabolism. Dietary supplementation with MLP inversely regulates LPSinduced differential metabolites such as Lyso PA(24:0/0:0)(P < 0.05).Conclusions In summary, dietary supplementation with microencapsulated Lactiplantibacillus plantarum prevented salpingitis by modulating the abundances of Candidatus_Saccharimonas, Phascolarctobacterium, Ruminococcus_torques_group and Eubacterium_hallii_group while downregulating the levels of plasma metabol

关键词： Laying hen Metabolome Microbiome Microencapsulated Lactiplantibacillus plantarum Salpingitis Transcriptome

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Analysis of flavor and widely metabolomics differences in black sesame before and after processing

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oil Crop Science 2024年第1期9卷 38-45页

作者： Yini Yang Linhai Wang Yunhai Wang Yuting An Qi Zhou Xia Xiang oil Crops Research Institute of the Chinese Academy of Agricultural Sciences Hubei Key Laboratory of Lipid Chemistry and NutritionKey Laboratory of Oil Seed Processing of Ministry of AgricultureOil Crops and Lipids Process Technology National and Local Joint Engineering LaboratoryWuhan430062China Natural food International Holding Limited ShenzhenChina

The objective of this study was to determine the differences of aroma and taste in three black sesame originsbefore and after processing via flavor and widely metabolomics.By analyzing the sensory characteristics and metabolites of raw and treated black sesame from China,Vietnam,and Myanmar,treated Chinese sesame have the most significant change in hardness after thermal processing,low viscosity and was easy to chew.The electronic nose could distinguish between raw and treated sesame due to the aroma distribution.The reason of treated sesame from China was“fragrant”is due to the highest content(2545.50μg/kg)of total pyrazines including 2,5-dimethylpyrazine,2-ethyl-5-methylpyrazine,2,3,5-trimethylpyrazine,3-ethyl-2,5-dimethylpyrazine.933 metabolites were detected via a wide targeted metabolomics in the taste of raw and treated sesame.Based on the analysis of metabolites related to bitterness,145 substances were selected.The main bitter contributors may be amino acids,dipeptides and organic acids.

关键词： Flavoromics Metabolomics Black sesame Aroma Taste Distribution

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Research progress on classification,source,application of phytosterol esters,and their thermal oxidation stability

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Grain & oil Science and Technology 2024年第1期7卷 1-11页

作者： Dami Li Shangde Sun Jingnan Chen School of food Science and Engineering Henan University of TechnologyZhengzhou 450001Henan ProvinceChina Henan Engineering Research Center of oil Seed Deep Processing Henan University of TechnologyZhengzhou 450001Henan ProvinceChina

Phytosterol esters can effectively decrease serum cholesterol concentration in the human body and prevent cardio-cerebrovascular diseases.It was found that phytosterol esters exhibited better solubility and bioavailability than free phytosterols.In recent years,phytosterol esters have attracted increasing attention.However,during food processing,phytosterol esters are susceptible to degradation at high temperatures,resulting in certain losses and formation of potentially harmful substances for humans.This paper reviews the relevant literatures and updates on the thermal oxidation stability of phytosterol esters in recent years from the following aspects:(i)Sources,physiological activities,and applications of phytosterol esters;(ii)Oxidation mechanism of phytosterol esters;(iii)Effects of phytosterols species,the volume of addition,food matrix,heating temperature and time,and antioxidants on the thermal loss and oxidation stability of phytosterol esters.The research progress on the safety of phytosterol esters is also discussed in detail.Additionally,the prospects for future research are highlighted.

关键词： Thermal stability Loss rate Oxidation mechanism Phytosterol esters

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Extraction,chemical components,bioactive functions and adulteration identification of walnut oils:A review

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Grain & oil Science and Technology 2024年第1期7卷 30-41页

作者： Yuan Gao Jia Hu Xia Su Qi Li Caihong Su Yongling Li Gaiqin Ma Siyu Zhang Xiuzhu Yu Engineering Research Center of Grain and oil Functionalized Processing College of Food Science and EngineeringNorthwest A&F UniversityShaanxi 712100China Animal Products and Animal Medicine Feed Quality Inspection Center Hebei 050041China

Walnut oil is a functional wood oil known to researchers that may potentially be a large source of Chinese edible oils.There are various extraction methods for walnut oil,including traditional(pressing,solvent-and enzymeassisted extraction)and novel methods(microwave,ultrasound,supercritical CO_(2),subcritical and other extraction technologies).Walnut oil is rich in nutrients,including phytosterols,tocopherols,polyphenols,squalene and minerals.It provides many health benefits,such as antioxidant,antitumor,anti-inflammatory,antidiabetic and lipid metabolism-related functions.In addition,the authentication of walnut oil has received much research attention.The present review provides detailed research on walnut oil extraction,composition,health benefits and adulteration identification methods.The path toward further walnut oil improvement in the context of the market value of walnut oil is also discussed.

关键词： Extraction technology Chemical composition Bioactive Authentication

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New food Sources and Production Systems: A Comparison of International Regulations and China’s Advancements in Novel foods with Synthetic Biology

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food Science and Human Wellness 2024年

作者： Xin Liu Di Wu Yi Shao Yongning Wu Key Laboratory for Deep Processing of Major Grain and oil (The Chinese Ministry of Education) College of food Science and Engineering Wuhan Polytechnic University Institute for Global food Security School of Biological Sciences Queen's University Belfast Department of Nutrition and food Safety Peking Union Medical College Research Unit of food Safety Chinese Academy of Medical Sciences NHC Key Laboratory of food Safety Risk Assessment China National Center for food Safety Risk Assessment

The global shift towards sustainable food systems has sparked innovations in food sources and production systems， including cell-based meat， plant-based food products， precision fermentation， and 3D food printing. These advancements pose regulatory challenges and opportunities， with China emerging as a critical player in adopting and regulating new food technologies. This review explores the international landscape of new food sources and production systems， focusing on China’s role and regulatory approaches compared to global practices. Through this comparative analysis， we aim to contribute to the ongoing dialogue on food safety regulation， offering insights and recommendations for policymakers， industry stakeholders， and researchers engaged in the global food system’s evolution. This comprehensive overview underscores the dynamic nature of regulatory frameworks governing NFPS， highlighting the international efforts to ensure food safety， consumer protection， and the sustainable evolution of the food industry.

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双缺陷工程RuO_(2)/D-Co_(3)O_(4)/CC复合材料作为引发酸性介质中氧析出反应的高效电催化剂

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Science China Materials 2024年第3期67卷 771-779页

作者：刘玉洁袁兆朔宋琪徐同广何刚孙海晓乔倩管学峰徐焘代小平张鑫 State Key Laboratory of Heavy oil Processing College of Chemical EngineeringChina University of PetroleumBeijing 102249China Beijing Third Class Tobacco Supervision station Beijing 101121China

缺陷工程被认为是提高催化剂性能的有效方法,因为它能使催化剂具有丰富的活性位点和合适的结合能,从而提高催化性能.本文采用简单的电沉积和酸蚀刻方法制备了双缺陷工程RuO_(2)/D-Co_(3)O_(4)/CC(低Ru负载2.42 wt%)复合材料,用于增强酸... 详细信息

缺陷工程被认为是提高催化剂性能的有效方法,因为它能使催化剂具有丰富的活性位点和合适的结合能,从而提高催化性能.本文采用简单的电沉积和酸蚀刻方法制备了双缺陷工程RuO_(2)/D-Co_(3)O_(4)/CC(低Ru负载2.42 wt%)复合材料,用于增强酸性介质中的氧析出反应(OER).所制备的RuO_(2)/D-Co_(3)O_(4)/CC催化剂采用物理化学技术进行了深入表征,结果表明催化剂中存在明显的阴离子和阳离子缺陷.实验研究表明具有双重缺陷的优化RuO_(2)/D-Co_(3)O_(4)/CC催化剂暴露了更多的电化学活性位点,有效降低了催化反应对电解质中质子浓度的依赖性,从而触发了高性能的OER.只需要181 mV的过电位就能驱动10 mA cm^(-2)的电流密度,并能在此电流密度下保持连续电解120 h.RuO_(2)/D-Co_(3)O_(4)/CC是一种很有前途的酸性OER电催化剂.

关键词： oxygen evolution reaction defect engineering anion defects and cation defects

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Preparation of lactic acid bacteria compound starter cultures based on pasting properties and its improvement of glutinous rice flour and dough

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food Science and Human Wellness 2024年第4期13卷 2090-2101页

作者： Dengyu Wang Linlin Liu Bing Wang Wenjian Xie Yanguo Shi Na Zhang Hongchen Fan Key Laboratory of food Science and Engineering of Heilongjiang Ordinary Higher Colleges Key Laboratory of Grain Food and Comprehensive Processing of Heilongjiang ProvinceCollege of Food EngineeringHarbin University of CommerceHarbin 150076China

The effects of 5 lactic acid bacteria(LAB)fermentation on the pasting properties of glutinous rice flour were compared,and suitable fermentation strains were selected based on the changes of viscosity,setback value,and breakdown value to prepare LAB compound starter cultures.The results revealed that Latilactobacillus sakei HSD004 and Lacticaseibacillus rhamnosus HSD005 had apparent advantages in increasing the viscosity and reducing the setback and breakdown values of glutinous rice flour.In particular,the compound starter created using the two abovementioned LAB in the ratio of 3:1 had better performance than that using a single LAB in improving the pasting properties and increasing the water and oil absorption capacity of glutinous rice flour.Moreover,the gelatinization enthalpy of the fermented samples increased significantly.For frozen glutinous rice dough stored for 28 days,the viscoelasticity of frozen dough prepared by compound starter was better than that of control dough,and the freezable water content was lower than that of control dough.These results indicate that compound LAB fermentation is a promising technology in the glutinous rice-based food processing industry,which has significance for its application.

关键词： Glutinous rice flour Glutinous rice dough Lactic acid bacteria compound starter cultures Pasting properties Viscoelasticity

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Integrins and their potential roles in mammalian pregnancy

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Journal of Animal Science and Biotechnology 2024年第1期15卷 1-19页

作者： Gregory A.Johnson Robert C.Burghardt Fuller W.Bazer Heewon Seo Joe W.Cain Department of Veterinary Integrative Biosciences School of Veterinary Medicine and Biomedical SciencesTexas A&M UniversityCollege StationTX 77843‑4459USA Department of Animal Science College of Agriculture and Life SciencesTexas A&M UniversityCollege StationTX 77843‑2471USA

Integrins are a highly complex family of receptors that, when expressed on the surface of cells, can mediate reciprocal cell-to-cell and cell-to-extracellular matrix(ECM) interactions leading to assembly of integrin adhesion complexes(IACs) that initiate many signaling functions both at the membrane and deeper within the cytoplasm to coordinate processes including cell adhesion, migration, proliferation, survival, differentiation, and metabolism. All metazoan organisms possess integrins, and it is generally agreed that integrins were associated with the evolution of multicellularity, being essential for the association of cells with their neighbors and surroundings, during embryonic development and many aspects of cellular and molecular biology. Integrins have important roles in many aspects of embryonic development, normal physiology, and disease processes with a multitude of functions discovered and elucidated for integrins that directly influence many areas of biology and medicine, including mammalian pregnancy, in particular implantation of the blastocyst to the uterine wall, subsequent placentation and conceptus(embryo/fetus and associated placental membranes) development. This review provides a succinct overview of integrin structure, ligand binding, and signaling followed with a concise overview of embryonic development, implantation, and early placentation in pigs, sheep, humans, and mice as an example for rodents. A brief timeline of the initial localization of integrin subunits to the uterine luminal epithelium(LE) and conceptus trophoblast is then presented, followed by sequential summaries of integrin expression and function during gestation in pigs, sheep, humans, and rodents. As appropriate for this journal, summaries of integrin expression and function during gestation in pigs and sheep are in depth, whereas summaries for humans and rodents are brief. Because similar models to those illustrated in Fig. 1, 2, 3, 4, 5 and 6 are present throughout the scientific literature, the illustrations in this m

关键词： Humans Implantation Integrins Pigs Pregnancy Rodents Sheep

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Two intestinal microbiota-derived metabolites, deoxycholic acid and butyrate, synergize to enhance host defense peptide synthesis and alleviate necrotic enteritis

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Journal of Animal Science and Biotechnology 2024年第3期15卷 1158-1172页

作者： Dohyung M.Kim Jing Liu Melanie A.Whitmore Isabel Tobin Zijun Zhao Guolong Zhang Department of Animal and food Sciences Oklahoma State UniversityStillwaterOKUSA

Background Necrotic enteritis(NE)is a major enteric disease in poultry,yet effective mitigation strategies remain elusive.Deoxycholic acid(DCA)and butyrate,two major metabolites derived from the intestinal microbiota,have independently been shown to induce host defense peptide(HDP)synthesis.However,the potential synergy between these two compounds remains unexplored.Methods To investigate the possible synergistic effect between DCA and butyrate in regulating HDP synthesis and barrier function,we treated chicken HD11 macrophage cells and jejunal explants with DCA and sodium butyrate(NaB),either individually or in combination,for 24 h.Subsequently,we performed RNA isolation and reverse transcrip-tion-quantitative PCR to analyze HDP genes as well as the major genes associated with barrier function.To further determine the synergy between DCA and NaB in enhancing NE resistance,we conducted two independent trials with Cobb broiler chicks.In each trial,the diet was supplemented with DCA or NaB on the day-of-hatch,followed by NE induction through sequential challenges with Eimeria maxima and Clostridium perfringens on d 10 and 14,respectively.We recorded animal mortality after infection and assessed intestinal lesions on d 17.The impact of DCA and NaB on the microbiota in the ileum and cecum was evaluated through bacterial 16S rRNA gene sequencing.Results We found that the combination of DCA and NaB synergistically induced multiple HDP genes in both chicken HD11 cells and jejunal explants.Additionally,the gene for claudin-1,a major tight junction protein,also exhibited synergistic induction in response to DCA and NaB.Furthermore,dietary supplementation with a combination of 0.75 g/kg DCA and 1 g/kg NaB led to a significant improvement in animal survival and a reduction in intestinal lesions compared to either compound alone in a chicken model of NE.Notably,the cecal microbiota of NE-infected chickens showed a marked decrease in SCFA-producing bacteria such as Bacteroides,Faecalibacterium,and Cuneatibacter,with lactobaci

关键词： Bile acids Host defense peptides Metabolites Microbiome Necrotic enteritis Short-chain fatty acids

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