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Aseptic Addition Method for Lactobacillus Casei Assay of Folate Activity in Human Serum
J Clin Pathol: first published as 10.1136/jcp.19.1.12 on 1 January 1966. Downloaded from J. clin. Path. (1966), 19, 12 Aseptic addition method for Lactobacillus casei assay of folate activity in human serum VICTOR HERBERT From the Department of Haematology, The Mount Sinai Hospital, New York, U.S.A. SYNOPSIS An 'aseptic addition' method is described for microbiological assay with Lactobacillis casei of folate activity in human serum. It has the following advantages over the previously reported 'standard' method. 1 The manipulations involved in the assay are halved, by deleting autoclaving of serum in buffers. 2 The use of 1 g. % ascorbate better preserves serum folates than the lower amounts of ascorbate which are the maximum quantities usable in the standard methods. 3 Only 03 ml. of serum is required (0 1 ml. for one sample; 02 ml. for its duplicate). Herbert, Wasserman, Frank, Pasher, and Baker in or after transfer of blood from syringes to acid-washed 1959 reported that folate deficiency could be screw-top tubes). The clots are 'rimmed' with glass rods measured in man using microbiological assay of or wooden applicator sticks, the tubes centrifuged for serum folate activity with Lactobacillus casei. Many five minutes at 3,000 r.p.m. and the supernatant serum aspirated with acid-washed or disposable pipettes andcopyright. other workers have confirmed this work (see review frozen at -20°C. until assay. On the day of assay, the by Herbert, 1965). Various minor modifications of sera are thawed. A 0-1 ml. and a 0-2 ml. -
The Effect of Selected Herbal Extracts on Lactic Acid Bacteria Activity
applied sciences Article The Effect of Selected Herbal Extracts on Lactic Acid Bacteria Activity Małgorzata Ziarno 1,* , Mariola Kozłowska 2 , Iwona Scibisz´ 3 , Mariusz Kowalczyk 4 , Sylwia Pawelec 4 , Anna Stochmal 4 and Bartłomiej Szleszy ´nski 5 1 Division of Milk Technology, Department of Food Technology and Assessment, Institute of Food Science, Warsaw University of Life Sciences–SGGW (WULS–SGGW), 02-787 Warsaw, Poland 2 Department of Chemistry, Institute of Food Science, Warsaw University of Life Sciences–SGGW (WULS–SGGW), 02-787 Warsaw, Poland; [email protected] 3 Division of Fruit, Vegetable and Cereal Technology, Department of Food Technology and Assessment, Institute of Food Science, Warsaw University of Life Sciences–SGGW (WULS–SGGW), 02-787 Warsaw, Poland; [email protected] 4 Department of Biochemistry and Crop Quality, Institute of Soil Science and Plant Cultivation, State Research Institute, 24-100 Puławy, Poland; [email protected] (M.K.); [email protected] (S.P.); [email protected] (A.S.) 5 Institute of Horticultural Sciences, Warsaw University of Life Sciences–SGGW (WULS–SGGW), 02-787 Warsaw, Poland; [email protected] * Correspondence: [email protected]; Tel.: +48-225-937-666 Abstract: This study aimed to investigate the effect of plant extracts (valerian Valeriana officinalis L., sage Salvia officinalis L., chamomile Matricaria chamomilla L., cistus Cistus L., linden blossom Tilia L., ribwort plantain Plantago lanceolata L., marshmallow Althaea L.) on the activity and growth of lactic acid bacteria (LAB) during the fermentation and passage of milk through a digestive system model. Citation: Ziarno, M.; Kozłowska, M.; The tested extracts were also characterized in terms of their content of polyphenolic compounds and Scibisz,´ I.; Kowalczyk, M.; Pawelec, S.; antioxidant activity. -
Antifungal Activity of Lactobacillus Pentosus ŁOCK 0979 in the Presence of Polyols and Galactosyl-Polyols
Probiotics & Antimicro. Prot. https://doi.org/10.1007/s12602-017-9344-0 Antifungal Activity of Lactobacillus pentosus ŁOCK 0979 in the Presence of Polyols and Galactosyl-Polyols Lidia Lipińska1 & Robert Klewicki2 & Michał Sójka2 & Radosław Bonikowski3 & Dorota Żyżelewicz2 & Krzysztof Kołodziejczyk2 & Elżbieta Klewicka 1 # The Author(s) 2017. This article is an open access publication Abstract The antifungal activity of Lactobacillus pentosus Keywords Antifungal activity . Galactosyl-polyols . ŁOCK 0979 depends both on the culture medium and on the Lactobacillus . Metabolites . Polyols . SEM fungal species. In the control medium, the strain exhibited limited antagonistic activity against indicator food-borne molds and yeasts. However, the supplementation of the bac- Introduction terial culture medium with polyols (erythritol, lactitol, maltitol, mannitol, sorbitol, xylitol) or their galactosyl deriva- Filamentous fungi and yeasts are present in almost all types of tives (gal-erythritol, gal-sorbitol, gal-xylitol) enhanced the an- ecosystems due to their high adaptation ability and low nutri- tifungal properties of Lactobacillus pentosus ŁOCK 0979. Its tional requirements. Filamentous fungi are widespread food metabolites were identified and quantified by enzymatic spoilage microorganisms responsible for significant economic methods, HPLC, UHPLC-MS coupled with QuEChERS, losses in the agri-food industry [6]; they are also a major and GC-MS. The presence of polyols and gal-polyols signif- health concern due to mycotoxin production. The most com- icantly affected the acid metabolite profile of the bacterial mon genera of spoilage fungi include Penicillium, Fusarium, culture supernatant. In addition, lactitol and mannitol were Aspergillus, Cladosporium,andRhizopus [21]. Commercial used by bacteria as alternative carbon sources. A number of foodstuffs are usually protected from such microorganisms by compounds with potential antifungal properties were identi- physical and chemical techniques. -
The Impact of Oil Type and Lactic Acid Bacteria on Conjugated Linoleic Acid Production
JOBIMB, 2016, Vol 4, No 2, 25-29 JOURNAL OF BIOCHEMISTRY, MICROBIOLOGY AND BIOTECHNOLOGY Website: http://journal.hibiscuspublisher.com/index.php/JOBIMB/index The Impact of Oil Type and Lactic Acid Bacteria on Conjugated Linoleic Acid Production Mahmoud A. Al-Saman 1*, Rafaat M. Elsanhoty 1 and Elhadary A. E. 2 1Department of Industrial Biotechnology, Genetic Engineering and Biotechnology Research Institute, University of Sadat City, Sadat City 22857/79, Egypt. 2Biochemistry Department, Faculty of Agriculture, Benha University, Egypt. *Corresponding author: Dr. Mahmoud Abd El-Hamid Al-Saman Department of Industrial Biotechnology, Genetic Engineering and Biotechnology Research Institute, University of Sadat City, Sadat City 22857/79, Egypt. Email: [email protected] [email protected] HISTORY ABSTRACT This work was conducted to investigate the effect of oil type and lactic acid bacteria on the Received: 27 th October 2016 conjugated linoleic acid (CLA) production in MRS medium. The ability of eight strains of Received in revised form: 2nd December 2016 Accepted: 17th December 2016 lactic acids bacteria; Lactobacillus acidophilus (P2, ATCC 20552), Lactobacillus brevis (P102), Lactobacillus casei (P9, DSMZ 20011), Lactobacillus plantarum (P1), Lactobacillus KEYWORDS pentosus (P4), Lactobacillus rhamnosus (P5, TISTR 541), Bifidobacterium longum (BL) and conjugated linoleic acid (CLA) Bifidobacterium lactis (P7, Bb-12) for the production of CLA in the MRS broth was lactic acid bacteria investigated. Two vegetable oils (sun flower oil & linseed oil) and cod liver oil were used as vegetable oils cod liver oil substrates in MRS media. The oils were added to MRS in concentration of 10 mg/ml and probiotic incubated for three days at 37°C. -
Effect of Lactobacillus Casei Shirota Supplementation on Trimethylamine-N-Oxide Levels in Patients with Metabolic Syndrome: an Open-Label, Randomized Study
Atherosclerosis 242 (2015) 141e144 Contents lists available at ScienceDirect Atherosclerosis journal homepage: www.elsevier.com/locate/atherosclerosis Effect of Lactobacillus casei Shirota supplementation on trimethylamine-N-oxide levels in patients with metabolic syndrome: An open-label, randomized study Norbert J. Tripolt a, Bettina Leber b, Alexander Triebl c, Harald Kofeler€ c, * Vanessa Stadlbauer b, , Harald Sourij a, d a Medical University of Graz, Department of Internal Medicine, Division of Endocrinology and Metabolism, Cardiovascular Diabetology Research Group, Graz, Austria b Medical University of Graz, Department of Internal Medicine, Division of Gastroenterology and Hepatology, Graz, Austria c Medical University of Graz, Center for Medical Research, Core Facility for Mass Spectrometry, Graz, Austria d Centre for Biomarker Research in Medicine (CBmed), Graz, Austria article info abstract Article history: Background: Recent studies in animal models have shown a link between ingestion of dietary phos- Received 2 December 2014 phatidylcholine (PC), choline, L-carnitine and cardiovascular risk. Intestinal microbiota-dependent Received in revised form metabolism of PC and L-carnitine is involved in formation of trimethylamine (TMA), which is further 14 April 2015 metabolized to the proatherogenic compound trimethylamine-N-oxide (TMAO). It has been suggested Accepted 13 May 2015 that changes in gut microbiota by supplementation of probiotic drinks might alter TMAO levels. Hence, Available online 8 July 2015 the aim of this analysis was to investigate the impact of Lactobacillus casei Shirota (LcS) on formation of TMAO in subjects with metabolic syndrome. Keywords: Trimethylamine-N-oxide (TMAO) Methods: In a single-center, prospective, randomized-controlled study 30 subjects with metabolic syn- Â 9 Lactobacillus casei Shirota (LcS) drome were randomized to receive either 3 times daily 6.5 10 CFU (colony-forming units) LcS (pro- Gut microbiota biotic group) or not (standard therapy group) for 12 weeks. -
A Physiological Comparative Study of Acid Tolerance of Lactobacillus Plantarum ZDY 2013 and L
Ann Microbiol (2017) 67:669–677 DOI 10.1007/s13213-017-1295-x ORIGINAL ARTICLE A physiological comparative study of acid tolerance of Lactobacillus plantarum ZDY 2013 and L. plantarum ATCC 8014 at membrane and cytoplasm levels Yilin Guo 1 & Ximei Tian1 & Renhui Huang1 & Xueying Tao1 & Nagendra P. Shah2 & Hua Wei1,3 & Cuixiang Wan3 Received: 8 April 2017 /Accepted: 4 August 2017 /Published online: 23 August 2017 # Springer-Verlag GmbH Germany and the University of Milan 2017 Abstract This study aimed to disclose the acid tolerance metabolism, increased amino acid and enzyme level) of mechanism of Lactobacillus plantarum by comparing L. plantarum ZDY 2013 can protect the cells from acid stress. L. plantarum ZDY 2013 with the type strain L. plantarum ATCC 8014 in terms of cell membrane, energy metabolism, Keywords Lactobacillus plantarum . Acid tolerance . Cell and amino acid metabolism. L. plantarum ZDY 2013 had a membrane . Energy metabolism . Amino acids superior growth performance under acidic condition with 100-fold higher survival rate than that of L. plantarum ATCC 8014 at pH 2.5. To determine the acid tolerance Introduction physiological mechanism, cell integrity was investigated through scanning electron microscopy. The study revealed Lactic acid bacteria (LAB) have been used to produce that L. plantarum ZDY 2013 maintained cell morphology fermented food over the past decades and have been de- and integrity, which is much better than L. plantarum veloped as probiotics, which are generally recognized as ATCC 8014 under acid stress. Analysis of energy metabo- safe (GRAS) (De Vries et al. 2006), for their health- lism showed that, at pH 5.0, L. -
Methods of Extraction, Refining and Concentration of Fish Oil As a Source of Omega-3 Fatty Acids
Corpoica Cienc Tecnol Agropecuaria, Mosquera (Colombia), 19(3):645-668 september - december / 2018 ISSN 0122-8706 ISSNe 2500-5308 645 Transformation and agro-industry Review article Methods of extraction, refining and concentration of fish oil as a source of omega-3 fatty acids Métodos de extracción, refinación y concentración de aceite de pescado como fuente de ácidos grasos omega 3 Jeimmy Rocío Bonilla-Méndez,1* José Luis Hoyos-Concha2 1 Researcher, Universidad del Cauca, Facultad de Ciencias Agrarias. Popayán, Colombia. Email: [email protected]. orcid.org/0000-0001-5362-5950 2 Lecturer, Universidad del Cauca, Facultad de Ciencias Agrarias. Popayán, Colombia. Email: [email protected]. orcid.org/0000-0001-9025-9734 Editor temático: Miguel Ángel Rincón Cervera (Instituto de Nutrición y Tecnología de los Alimentos [INTA]) Date of receipt: 05/07/2017 Date of approval: 15/03/2018 How to cite this article: Bonilla-Méndez, J. R., & Hoyos-Concha, J. L. (2018). Methods of extraction, refining and concentration of fish oil as a source of omega-3 fatty acids. Corpoica Ciencia y Tecnología Agropecuaria, 19(3), 645-668. DOI: https://doi.org/10.21930/rcta.vol19_num2_art:684 This license allows distributing, remixing, retouching, and creating from the work in a non-commercial manner, as long as credit is given and their new creations are licensed under the same conditions. * Corresponding author. Universidad del Cauca, Facultad de Ciencias Agrarias. Vereda Las Guacas, Popayán, Colombia. 2018 Corporación Colombiana de Investigación Agropecuaria Corpoica Cienc Tecnol Agropecuaria, Mosquera (Colombia), 19(3):645-668 september - december / 2018 ISSN 0122-8706 ISSNe 2500-5308 Abstract Fish oil is an industrial product of high nutritional methods, there are new technologies with potential value because of its Omega-3 polyunsaturated fatty to be applied on fish oil. -
Evaluation of Microbial Diversity Present in Herbal Supplements As Revealed by PCR-Based 16S Sequence Analysis Stephen Stone University of Mississippi
University of Mississippi eGrove Honors College (Sally McDonnell Barksdale Honors Theses Honors College) 2014 Evaluation of microbial diversity present in herbal supplements as revealed by PCR-based 16S sequence analysis Stephen Stone University of Mississippi. Sally McDonnell Barksdale Honors College Follow this and additional works at: https://egrove.olemiss.edu/hon_thesis Part of the Biology Commons Recommended Citation Stone, Stephen, "Evaluation of microbial diversity present in herbal supplements as revealed by PCR-based 16S sequence analysis" (2014). Honors Theses. 873. https://egrove.olemiss.edu/hon_thesis/873 This Undergraduate Thesis is brought to you for free and open access by the Honors College (Sally McDonnell Barksdale Honors College) at eGrove. It has been accepted for inclusion in Honors Theses by an authorized administrator of eGrove. For more information, please contact [email protected]. EVALUATION OF MICROBIAL DIVERSITY PRESENT IN HERBAL SUPPLEMENTS AS REVEALED BY PCR-BASED 16S RRNA SEQUENCE ANALYSIS by Stephen Van Dorn Stone A thesis submitted to the faculty of The University of Mississippi in partial fulfillment of the requirements of the Sally McDonnell Barksdale Honors College. Oxford May 29, 2014 Approved by Advisor: Dr. Colin Jackson Reader: Dr. Wendy Garrison Reader: Dr. John Samonds i © 2014 Stephen Van Dorn Stone ALL RIGHTS RESERVED ii ABSTRACT Stephen Stone: Evaluation of microbial diversity present in herbal supplements as revealed by PCR-based 16S rRNA sequence analysis Over the last few decades people have become more aware of their general wellness and have turned towards alternative measures to ensure good health. One of these alternative measures, the herbal supplement market, has risen significantly in recent years, even though there is no conclusive research that points to the effectiveness of herbal supplements. -
Psychobiotics and the Gut–Brain Axis Open Access to Scientific and Medical Research DOI
Journal name: Neuropsychiatric Disease and Treatment Article Designation: Review Year: 2015 Volume: 11 Neuropsychiatric Disease and Treatment Dovepress Running head verso: Zhou and Foster Running head recto: Psychobiotics and the gut–brain axis open access to scientific and medical research DOI: http://dx.doi.org/10.2147/NDT.S61997 Open Access Full Text Article REVIEW Psychobiotics and the gut–brain axis: in the pursuit of happiness Linghong Zhou1 Abstract: The human intestine houses an astounding number and species of microorganisms, Jane A Foster1,2 estimated at more than 1014 gut microbiota and composed of over a thousand species. An indi- vidual’s profile of microbiota is continually influenced by a variety of factors including but 1Department of Psychiatry and Behavioural Neurosciences, McMaster not limited to genetics, age, sex, diet, and lifestyle. Although each person’s microbial profile is University, Hamilton, ON, Canada; distinct, the relative abundance and distribution of bacterial species is similar among healthy 2Brain-Body Institute, St Joseph’s Healthcare, Hamilton, ON, Canada individuals, aiding in the maintenance of one’s overall health. Consequently, the ability of gut microbiota to bidirectionally communicate with the brain, known as the gut–brain axis, in the modulation of human health is at the forefront of current research. At a basic level, the gut microbiota interacts with the human host in a mutualistic relationship – the host intestine pro- vides the bacteria with an environment to grow and the bacterium aids in governing homeostasis within the host. Therefore, it is reasonable to think that the lack of healthy gut microbiota may also lead to a deterioration of these relationships and ultimately disease. -
Isolation, Characterization and Screening of Folate-Producing Bacteria from Traditional Fermented Food (Dadih)
International Food Research Journal 25(2): 566-572 (April 2018) Journal homepage: http://www.ifrj.upm.edu.my Isolation, characterization and screening of folate-producing bacteria from traditional fermented food (dadih) 1Purwandhani, S. N., 2Utami, T., 2Milati, R. and 2*Rahayu, E. S. 1Faculty of Agricultural Technology, Widya Mataram Yogyakarta University, nDalem Mangkubumen KT III/237, Yogyakarta 55123, Indonesia 2Faculty of Agricultural Technology, Gadjah Mada University, Jl. Flora No.1, Bulaksumur, Yogyakarta 55281, Indonesia Article history Abstract Received: 6 January 2017 Folate represents an important B vitamin participating in one-carbon transfer reaction required Received in revised form: in many metabolic pathways, especially purine and pyrimidine biosynthesis which indicates the 25 January 2017 importance of folate in human metabolism. Fermented milk products using lactic acid bacteria Accepted: 2 February 2017 (LAB) are good sources of such vitamins. In order to find suitable strains capable producing high folate, isolation, and characterization of LAB from traditional fermented milk (dadih) were carried out. The isolated bacteria were characterized biochemically, phenotypically, genetically and were screened for their ability to produce folate during fermentation in skim milk. Keywords Phenotypic characterization was performed using API 50 CHL; genotypic characterization was Lactic acid bacteria conducted based on the sequence of 16S rRNA genes, while the determination of folate level Dadih was done using Vita fast folate kit. From this study, 17 isolates from dadih were obtained and Folate based on phenotypic and genotypic, 16 of them were identified as Lactobacillus plantarum. Folate production of the 17 selected isolates was between 12.43 ± 3.13 to 27.84 ± 5.80 μg/L, and the folate production of Lactobacillus plantarum Dad-13 as the control was 29.27 ± 3.91 μg/L. -
GRAS Notice 685, Lactobacillus Plantarum Strain 299V
GRAS Notice (GRN) No. 685 http://www.fda.gov/Food/IngredientsPackagingLabeling/GRAS/NoticeInventory/default.htm ORIGINAL SUBMISSION 1701 Pennsylvania Avenue, NW Attomeys at Law in Suite 700 Chicago Quoties/ Bmdy u.r Washington, District of Columbia 20006-5805 Indianapolis 202.372.9600 Madison Fax 202.372.9599 Milwaukee www.quarles.com Naples Phoenix Scottsdale Tampa Tucson Washington, D.C. Writer's Direct Dial: 202-372-9529 E-Mail: [email protected] December 20,2016 BY Hand Delivery United States Food and Drug Administration Center for Food Safety and Applied Nutrition Office ofFood Additive Safety HFS-200 5001 Campus Drive College Park, MD 20740 Re: GRAS Notification for Lactobacillus plantarum Strain 299v Dear Dr. Anderson: Enclosed is a copy of a GRAS notification submitted on behalfofProbi AB, of Lund, Sweden ("Probi") through its Agent Mark Yacura ofthe law firm Quarles & Brady LLP in accordance with the requirements of21 C.F.R. Part 170, Subpart E. If you have any questions or concerns regarding these minutes, please contact me at (202) 372-9529 or at [email protected]. Sincerely, (b) (6) fR1[E~[EG~[EfQJ DEC 2 1 2016 OFFICE OF FOOD ADDITIVE SAFETY Generally Recognized as Safe (GRAS) Determination for the Use of Lactobacillus plantarum Strain 299v in Conventional Foods Submitted by ProbiAB Lund, Sweden Submitted to United States Food and Drug Administration Center for Food Safety and Applied Nutrition Office of Food Additive Safety HFS-200 5001 Campus Drive College Park, MD 20740 Prepared by ProbiAB and JHeimbach LLC Port Royal, Virginia December 2016 GRAS Determination for 1 JHEJMBACH LLC Lactobacillus plantarum 299v Table of Contents Part 1 - Signed Statements and Certification............................................................................ -
The Relationship Between Choline Bioavailability from Diet, Intestinal Microbiota Composition, and Its Modulation of Human Diseases
nutrients Review The Relationship between Choline Bioavailability from Diet, Intestinal Microbiota Composition, and Its Modulation of Human Diseases Natalia Arias 1,2,*, Silvia Arboleya 3 , Joseph Allison 2, Aleksandra Kaliszewska 2, Sara G. Higarza 1,4 , Miguel Gueimonde 3 and Jorge L. Arias 1,4 1 Instituto de Neurociencias del Principado de Asturias (INEUROPA), 33003 Oviedo, Asturias, Spain; [email protected] (S.G.H.); [email protected] (J.L.A.) 2 Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, Denmark Hill, London SE5 8AF, UK; [email protected] (J.A.); [email protected] (A.K.) 3 Department of Microbiology and Biochemistry of Dairy Products, Instituto de Productos Lácteos de Asturias (IPLA-CSIC), 33003 Oviedo, Asturias, Spain; [email protected] (S.A.); [email protected] (M.G.) 4 Laboratory of Neuroscience, Department of Psychology, University of Oviedo, Plaza Feijóo, s/n, 33003 Oviedo, Asturias, Spain * Correspondence: [email protected] Received: 14 July 2020; Accepted: 30 July 2020; Published: 5 August 2020 Abstract: Choline is a water-soluble nutrient essential for human life. Gut microbial metabolism of choline results in the production of trimethylamine (TMA), which, upon absorption by the host is converted into trimethylamine-N-oxide (TMAO) in the liver. A high accumulation of both components is related to cardiovascular disease, inflammatory bowel disease, non-alcoholic fatty liver disease, and chronic kidney disease. However, the relationship between the microbiota production of these components and its impact on these diseases still remains unknown. In this review, we will address which microbes contribute to TMA production in the human gut, the extent to which host factors (e.g., the genotype) and diet affect TMA production, and the colonization of these microbes and the reversal of dysbiosis as a therapy for these diseases.