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Total 4747 results found since Jan 2013.
Comparative study of inoculation strategies of Torulaspora delbrueckii and Saccharomyces cerevisiae on the performance of alcoholic and malolactic fermentations in an optimized synthetic grape must
Int J Food Microbiol. 2023 Aug 11;404:110367. doi: 10.1016/j.ijfoodmicro.2023.110367. Online ahead of print.ABSTRACTProgress in oenological biotechnology now makes it possible to control alcoholic (AF) and malolactic (MLF) fermentation processes for the production of wines. Key factors in controlling these processes and enhancing wine quality include the use of selected strains of non-Saccharomyces species, Saccharomyces cerevisiae, and Oenococcus oeni, as well as the method of inoculation (co-inoculation or sequential) and the timing of inoculation. In the present work, we investigated the effects of different inoculation...
Source: International Journal of Food Microbiology - August 19, 2023 Category: Food Science Authors: Candela Ruiz-de-Villa Montse Poblet Albert Bordons Cristina Reguant Nicolas Roz ès Source Type: research
Chemodivergent Staudinger Reactions of Secondary Phosphine Oxides and Application to the Total Synthesis of LL-D05139 β Potassium Salt
Angew Chem Int Ed Engl. 2023 Aug 18:e202310118. doi: 10.1002/anie.202310118. Online ahead of print.ABSTRACTUnprecedented Staudinger reaction modes of secondary phosphine oxides (SPO) and organic azides are herein disclosed. By the application of various additives, selective nitrogen atom exclusion from the azide group has been achieved. Chlorotrimethylsilane mediates a stereoretentive Staudinger reaction with a 2-N exclusion which provides a valuable method for the synthesis of phosphinic amides and can be considered complementary to the stereoinvertive Atherton-Todd reaction. Alternatively, a 1-N exclusion pathway is prom...
Source: Angewandte Chemie - August 18, 2023 Category: Chemistry Authors: Wenjun Luo Fang Xu Zhenguo Wang Jiyan Pang Zixu Wang Zhixiu Sun Ai-Yun Peng Xiaohui Cao Le Li Source Type: research
From waste to food and bioinsecticides: An innovative system integrating Tenebrio molitor bioconversion and pyrolysis bio-oil production
Chemosphere. 2023 Aug 16:139847. doi: 10.1016/j.chemosphere.2023.139847. Online ahead of print.ABSTRACTTo achieve a waste-free clean production, the present study aimed to valorize an underused agroindustrial byproduct (rice bran) by mealworms bioconversion and produce bio-oil from pyrolysis of insect excreta (frass) as bioinsecticide. To reach the first goal, the suitability of rice bran (RB) versus standard diet, wheat bran (WB), was examined by determining feed conversion, growth performance, and nutritional profile of T. molitor larvae. RB diet was an appropriate feed substrate for breeding mealworms, as evidenced by t...
Source: Chemosphere - August 18, 2023 Category: Chemistry Authors: Rodrigo I ñaki Urrutia Emiliano Nicolas Jesser Victoria Soledad Gutierrez Silvana Rodriguez Fernanda Gumilar Ana Paula Murray Maria Alicia Volpe Jorge Omar Werdin-Gonz ález Source Type: research
Neoroseomonas alba sp. nov., Neoroseomonas nitratireducens sp. nov., Paraoseomonas indoligenes sp. nov and Paraoseomonas baculiformis sp. nov., isolated from the rhizosphere of paddy soil
Antonie Van Leeuwenhoek. 2023 Aug 16. doi: 10.1007/s10482-023-01863-8. Online ahead of print.ABSTRACTFour novel Gram-stain negative bacteria, designated as HAJ6T, PWR1T, SG15T and SSH11T, were isolated from the soil sample of paddy fields from Goyang in the Republic of Korea. The isolated strains were aerobic, short-rod or rod shaped, non-sporulating. They grew optimally at 30 °C, pH 7 and without additional NaCl. Phylogenetic analysis based on the 16S rRNA gene sequence revealed that they belong to the genus of Neoroseomonas and Pararoseomonas and closely relate to Neoroseomonas terrae DS-48T (97.5%; HJA6T), Neoroseomona...
Source: Antonie van Leeuwenhoek - August 16, 2023 Category: Microbiology Authors: Yoonseop So Geeta Chhetri Inhyup Kim Jiyoun Kim Sunho Park Yonghee Jung Taegun Seo Source Type: research
Malus baccata (Linn.) Borkh polyphenols-loaded nanoparticles ameliorate intestinal health by modulating intestinal function and gut microbiota
Int J Biol Macromol. 2023 Aug 11:126233. doi: 10.1016/j.ijbiomac.2023.126233. Online ahead of print.ABSTRACTThe aim of this study was to construct the nanoparticles based on Hohenbuehelia serotina polysaccharides and mucin for encapsulation of the polyphenols from Malus baccata (Linn.) Borkh (MBP-MC-HSP NPs), and investigate their effects on intestinal function and gut microbiota in mice. The results showed that MBP-MC-HSP NPs did not have any toxic and side effect by determining organ indexes and hematological parameters. The colonic index, colonic length as well as colonic histology were significantly improved by treatme...
Source: International Journal of Biological Macromolecules - August 13, 2023 Category: Biochemistry Authors: Lu Wang Zhen Li Siying An Huipeng Zhu Xiaoyu Li Dawei Gao Source Type: research
Description of Sporanaerobium hydrogeniformans gen. nov., sp. nov., an obligately anaerobic, hydrogen-producing bacterium isolated from Aravali hot spring in India
Arch Microbiol. 2023 Aug 12;205(9):305. doi: 10.1007/s00203-023-03641-6.ABSTRACTAn obligately anaerobic bacterium XHS1971T, capable of degrading cellulose and xylan, was isolated from a sediment sample of Aravali hot spring, Ratnagiri, India. Cells of strain XHS1971T were Gram-stain-negative, spore-forming, motile, long-rods. Growth was observed at temperatures 30-50 °C (optimum 40-45 °C), pH 5.0-10.0 (optimum pH 8.0) and NaCl concentrations 0-0.5% (optimum 0%). Generation time of strain XHS1971T was 5 h under optimised growth conditions. Strain XHS1971T showed the ability to metabolise different complex and simple sugar...
Source: Archives of Microbiology - August 12, 2023 Category: Microbiology Authors: Sai Suresh Hivarkar Gowdaman Vasudevan Prashant K Dhakephalkar Sumit Singh Dagar Source Type: research
Single molecule magnet feature in luminescent lanthanide coordination polymers with heptacoordinate Dy/Yb(III) ions as nodes
Dalton Trans., 2023, Accepted Manuscript DOI: 10.1039/D3DT02106H, PaperXiang Tao Dong, Meng-Qing Yu, Yong-Bo Peng, Guoxing Zhou, Guo Peng, Xiaoming Ren Two sets of 1D/2D lanthanide coordination polymers with formulas of Ln(oqa)3 •2H2O [Hoqa = 2-(4-oxoquinolin-1(4H)-yl) acetic acid, Ln = Dy(1), Yb(2)] and Ln(oaa)2(HCOO)(H2O) [Hoaa = 2-(9-oxoacridin-10(9H)-yl) acetic acid, Ln = Dy(3),... The content of this RSS Feed (c) The Royal Society of Chemistry
Source: RSC - Dalton Trans. latest articles - August 11, 2023 Category: Chemistry Authors: Xiang Tao Dong Source Type: research
Reduction of ethanol content in wine with an improved combination of yeast strains and process conditions
Food Microbiol. 2023 Oct;115:104344. doi: 10.1016/j.fm.2023.104344. Epub 2023 Jul 25.ABSTRACTOne interesting strategy to address the increasing alcohol content of wines, associated with climate change, is to reduce the ethanol yield during fermentation. Within this strategy, the approach that would allow the clearest reduction in alcohol content is the respiration of part of the grape sugars by yeasts. Non-Saccharomyces species can be used for this purpose but suffer from a limited ability to dominate the process and complete fermentation. In turn, Saccharomyces cerevisiae shows a high production of acetic acid under the g...
Source: Food Microbiology - August 11, 2023 Category: Food Science Authors: Andrea M Guindal Pilar Morales Jordi Tronchoni Ramon Gonzalez Source Type: research
