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kombucha tea

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https://www.readbyqxmd.com/read/28476604/oak-kombucha-protects-against-oxidative-stress-and-inflammatory-processes
#1
B D Vázquez-Cabral, M Larrosa-Pérez, J A Gallegos-Infante, M R Moreno-Jiménez, R F González-Laredo, J G Rutiaga-Quiñones, C I Gamboa-Gómez, N E Rocha-Guzmán
Black tea infusion is the common substrate for preparing kombucha; however other sources such as oak leaves infusions can be used for the same purpose. Almost any white oak species have been used for medicinal applications by some ethnic groups in Mexico and could be also suitable for preparing kombucha analogues from oak (KAO). The objective of this research was to investigate the antioxidant activity and anti-inflammatory effects of KAO by examining its modulation ability on macrophage-derived TNF-alpha and IL-6...
June 25, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28430940/unraveling-microbial-ecology-of-industrial-scale-kombucha-fermentations-by-metabarcoding-and-culture-based-methods
#2
Monika Coton, Audrey Pawtowski, Bernard Taminiau, Gaëtan Burgaud, Franck Deniel, Laurent Coulloumme-Labarthe, Abdoulaye Fall, Georges Daube, Emmanuel Coton
Kombucha, historically an Asian tea-based fermented drink, has recently become trendy in Western countries. Producers claim it bears health-enhancing properties that may come from the tea or metabolites produced by its microbiome. Despite its long history of production, microbial richness and dynamics have not been fully unraveled, especially at an industrial scale. Moreover, the impact of tea type (green or black) on microbial ecology was not studied. Here, we compared microbial communities from industrial-scale black and green tea fermentations, still traditionally carried out by a microbial biofilm, using culture-dependent and metabarcoding approaches...
May 1, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28223076/leaching-of-rare-earth-elements-from-fluorescent-powder-using-the-tea-fungus-kombucha
#3
Stefanie Hopfe, Katrin Flemming, Falk Lehmann, Robert Möckel, Sabine Kutschke, Katrin Pollmann
In most modern technologies such as flat screens, highly effective magnets and lasers, as well as luminescence phosphors, Rare Earth Elements (REE) are used. Unfortunately no environmentally friendly recycling process exists so far. In comparison to other elements the interaction of microorganisms with REE has been studied to a less extent. However, as REE are ubiquitously present in nature it can be assumed that microorganisms play an important role in the biogeochemistry of REE. This study investigates the potential of organic acid-producing microbes for extracting REE from industrial waste...
February 17, 2017: Waste Management
https://www.readbyqxmd.com/read/28071022/research-on-the-effect-of-culture-time-on-the-kombucha-tea-beverage-s-antiradical-capacity-and-sensory-value
#4
Anna Gramza-Michałowska, Bartosz Kulczyński, Yuan Xindi, Małgorzata Gumienna
BACKGROUND: Recent consumption trends shows high consumer acceptability and growing medicinal interest in the biological value of kombucha tea. This tea is a sweetened tea leaf brew fermented with a layer containing mainly acetic acid bacteria, yeast and lactic acid bacteria. The main antioxidants in tea leaves are polyphenols, the consumption of which is proven to be beneficial for human health, e.g. protecting from reactive oxygen species (ROS). The aim of the present research was to evaluate antiradical activity, total polyphenol content (TPC) and sensory value of kombucha tea brews...
October 2016: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/27802816/retraction-note-histopathological-and-clinical-evaluation-of-kombucha-tea-and-nitrofurazone-on-cutaneous-full-thickness-wounds-healing-in-rats-an-experimental-study
#5
Fardin Barati, Javad Javanbakht, Farajollah Adib-Hashemi, Ehsan Hosseini, Reyhaneh Safaeie, Mojtaba Rajabian, Mostafa Razmjoo, Reza Sedaghat, Mehdi Aghamohammad Hassan
No abstract text is available yet for this article.
November 2, 2016: Diagnostic Pathology
https://www.readbyqxmd.com/read/27638313/antibacterial-activity-of-polyphenolic-fraction-of-kombucha-against-enteric-bacterial-pathogens
#6
Debanjana Bhattacharya, Semantee Bhattacharya, Madhu Manti Patra, Somnath Chakravorty, Soumyadev Sarkar, Writachit Chakraborty, Hemanta Koley, Ratan Gachhui
The emergence of multi-drug-resistant enteric pathogens has prompted the scientist community to explore the therapeutic potentials of traditional foods and beverages. The present study was undertaken to investigate the efficacy of Kombucha, a fermented beverage of sugared black tea, against enterotoxigenic Escherichia coli, Vibrio cholerae, Shigella flexneri and Salmonella Typhimurium followed by the identification of the antibacterial components present in Kombucha. The antibacterial activity was evaluated by determining the inhibition zone diameter, minimal inhibitory concentration and minimal bactericidal concentration...
December 2016: Current Microbiology
https://www.readbyqxmd.com/read/27516336/komagataeibacter-rhaeticus-as-an-alternative-bacteria-for-cellulose-production
#7
Rachel T A Machado, Junkal Gutierrez, Agnieszka Tercjak, Eliane Trovatti, Fernanda G M Uahib, Gabriela de Padua Moreno, Andresa P Nascimento, Andresa A Berreta, Sidney J L Ribeiro, Hernane S Barud
A strain isolated from Kombucha tea was isolated and used as an alternative bacterium for the biosynthesis of bacterial cellulose (BC). In this study, BC generated by this novel bacterium was compared to Gluconacetobacter xylinus biosynthesized BC. Kinetic studies reveal that Komagataeibacter rhaeticus was a viable bacterium to produce BC according to yield, thickness and water holding capacity data. Physicochemical properties of BC membranes were investigated by UV-vis and Fourier transform infrared spectroscopies (FTIR), thermogravimetrical analysis (TGA) and X-ray diffraction (XRD)...
November 5, 2016: Carbohydrate Polymers
https://www.readbyqxmd.com/read/27173576/retraction-notice-to-application-of-the-kombucha-tea-fungus-for-the-enhancement-of-antioxidant-and-starch-hydrolase-inhibitory-properties-of-ten-herbal-teas-food-chem-194-2016-304-311
#8
https://www.readbyqxmd.com/read/26882579/a-case-of-hepatotoxicity-related-to-kombucha-tea-consumption
#9
Maheedhar Gedela, Kalyan Chakravarthy Potu, Vasantha L Gali, Kimberlee Alyamany, Lokesh K Jha
The use of herbal and dietary supplements (HDSs) is widespread and growing due to the popular notion that these products are of natural origins and safe. Kombucha (or "mushroom") tea is one HDS that is consumed by people for various perceived health benefits. Kombucha tea is a well-known health beverage made by fermenting sweet black tea with a round, flat, gray fungus for a week or longer. There is concern, however, from the evidence of a few case reports currently available, that it may pose life-threatening and/or adverse effects for users...
January 2016: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/26796581/kombucha-tea-fermentation-microbial-and-biochemical-dynamics
#10
Somnath Chakravorty, Semantee Bhattacharya, Antonis Chatzinotas, Writachit Chakraborty, Debanjana Bhattacharya, Ratan Gachhui
Kombucha tea, a non-alcoholic beverage, is acquiring significant interest due to its claimed beneficial properties. The microbial community of Kombucha tea consists of bacteria and yeast which thrive in two mutually non-exclusive compartments: the soup or the beverage and the biofilm floating on it. The microbial community and the biochemical properties of the beverage have so far mostly been described in separate studies. This, however, may prevent understanding the causal links between the microbial communities and the beneficial properties of Kombucha tea...
March 2, 2016: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/26634755/draft-genome-sequence-of-komagataeibacter-intermedius-strain-af2-a-producer-of-cellulose-isolated-from-kombucha-tea
#11
Renato Augusto Corrêa Dos Santos, Andresa Aparecida Berretta, Hernane da Silva Barud, Sidney José Lima Ribeiro, Laura Natalia González-García, Tiago Domingues Zucchi, Gustavo H Goldman, Diego M Riaño-Pachón
Here, we present the draft genome sequence of Komagataeibacter intermedius strain AF2, which was isolated from Kombucha tea and is capable of producing cellulose, although at lower levels compared to another bacterium from the same environment, K. rhaeticus strain AF1.
2015: Genome Announcements
https://www.readbyqxmd.com/read/26510592/-identification-of-new-conserved-and-variable-regions-in-the-16s-rrna-gene-of-acetic-acid-bacteria-and-acetobacteraceae-family
#12
S Chakravorty, S Sarkar, R Gachhui
The Acetobacteraceae family of the class Alpha Proteobacteria is comprised of high sugar and acid tolerant bacteria. The Acetic Acid Bacteria are the economically most significant group of this family because of its association with food products like vinegar, wine etc. Acetobacteraceae are often hard to culture in laboratory conditions and they also maintain very low abundances in their natural habitats. Thus identification of the organisms in such environments is greatly dependent on modern tools of molecular biology which require a thorough knowledge of specific conserved gene sequences that may act as primers and or probes...
September 2015: Molekuliarnaia Biologiia
https://www.readbyqxmd.com/read/26471559/application-of-the-kombucha-tea-fungus-for-the-enhancement-of-antioxidant-and-starch-hydrolase-inhibitory-properties-of-ten-herbal-teas
#13
Mindani I Watawana, Nilakshi Jayawardena, Candy Choo, Viduranga Y Waisundara
Ten herbal teas (Acacia arabica, Aegle marmelos flower, A. marmelos root bark, Aerva lanata, Asteracantha longifolia, Cassia auriculata, Hemidesmus indicus, Hordeum vulgare, Phyllanthus emblica, Tinospora cordifolia) were fermented with the Kombucha 'tea fungus'. The pH values of the fermented beverages ranged from 4.0 to 6.0 by day 7, while the titratable acidity ranged from 2.5 to 5.0g/mL (P<0.05). Gallic acid had statistically significantly increased (P<0.05) in almost all the samples by day 7. The Oxygen radical absorbance capacity assay indicated 5 of the Kombucha beverages to have statistically significant increases (P<0...
March 1, 2016: Food Chemistry
https://www.readbyqxmd.com/read/26345015/chemometric-approach-to-texture-profile-analysis-of-kombucha-fermented-milk-products
#14
Radomir Malbaša, Lidija Jevrić, Eva Lončar, Jasmina Vitas, Sanja Podunavac-Kuzmanović, Spasenija Milanović, Strahinja Kovačević
In the present work, relationships between the textural characteristics of fermented milk products obtained by kombucha inoculums with various teas were investigated by using chemometric analysis. The presented data which describe numerically the textural characteristics (firmness, consistency, cohesiveness and index of viscosity) were analysed. The quadratic correlation was determined between the textural characteristics of fermented milk products obtained at fermentation temperatures of 40 and 43 °C, using milk with 0...
September 2015: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/26139916/myocardial-potency-of-bio-tea-against-isoproterenol-induced-myocardial-damage-in-rats
#15
Reema Orison Lobo, Chandrakala K Shenoy
Kombucha (Bio-tea) is a beverage produced by the fermentation of sugared black tea using a symbiotic association of bacteria and yeasts. Traditional claims about Kombucha report beneficial effects such as antibiotic properties, gastric regulation, relief from joint rheumatism and positive influence on the cholesterol level, arteriosclerosis, diabetes, and aging problems. The present investigation was carried out to understand the preventive effect of Kombucha on heart weight, blood glucose, total protein, lipid profile and cardiac markers in rats with myocardial damage induced using Isoproterenol...
July 2015: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/25926011/occurrence-of-cellulose-producing-gluconacetobacter-spp-in-fruit-samples-and-kombucha-tea-and-production-of-the-biopolymer
#16
Neera, Karna Venkata Ramana, Harsh Vardhan Batra
Cellulose producing bacteria were isolated from fruit samples and kombucha tea (a fermented beverage) using CuSO4 solution in modified Watanabe and Yamanaka medium to inhibit yeasts and molds. Six bacterial strains showing cellulose production were isolated and identified by 16S rRNA gene sequencing as Gluconacetobacter xylinus strain DFBT, Ga. xylinus strain dfr-1, Gluconobacter oxydans strain dfr-2, G. oxydans strain dfr-3, Acetobacter orientalis strain dfr-4, and Gluconacetobacter intermedius strain dfr-5...
June 2015: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/25763303/lactic-acid-bacteria-promising-supplements-for-enhancing-the-biological-activities-of-kombucha
#17
Nguyen Khoi Nguyen, Ngan Thi Ngoc Dong, Huong Thuy Nguyen, Phu Hong Le
Kombucha is sweetened black tea that is fermented by a symbiosis of bacteria and yeast embedded within a cellulose membrane. It is considered a health drink in many countries because it is a rich source of vitamins and may have other health benefits. It has previously been reported that adding lactic acid bacteria (Lactobacillus) strains to kombucha can enhance its biological functions, but in that study only lactic acid bacteria isolated from kefir grains were tested. There are many other natural sources of lactic acid bacteria...
2015: SpringerPlus
https://www.readbyqxmd.com/read/25059874/draft-genome-sequence-of-komagataeibacter-rhaeticus-strain-af1-a-high-producer-of-cellulose-isolated-from-kombucha-tea
#18
Renato Augusto Corrêa Dos Santos, Andresa A Berretta, Hernane da Silva Barud, Sidney José Lima Ribeiro, Laura Natalia González-García, Tiago Domingues Zucchi, Gustavo H Goldman, Diego M Riaño-Pachón
Here, we present the draft genome sequence of Komagatabaeicter rhaeticus strain AF1, which was isolated from Kombucha tea and is capable of producing high levels of cellulose.
2014: Genome Announcements
https://www.readbyqxmd.com/read/24341155/kombucha-brewing-under-the-food-and-drug-administration-model-food-code-risk-analysis-and-processing-guidance
#19
Brian A Nummer
Kombucha is a fermented beverage made from brewed tea and sugar. The taste is slightly sweet and acidic and it may have residual carbon dioxide. Kombucha is consumed in many countries as a health beverage and it is gaining in popularity in the U.S. Consequently, many retailers and food service operators are seeking to brew this beverage on site. As a fermented beverage, kombucha would be categorized in the Food and Drug Administration model Food Code as a specialized process and would require a variance with submission of a food safety plan...
November 2013: Journal of Environmental Health
https://www.readbyqxmd.com/read/24290641/sequence-based-analysis-of-the-bacterial-and-fungal-compositions-of-multiple-kombucha-tea-fungus-samples
#20
Alan J Marsh, Orla O'Sullivan, Colin Hill, R Paul Ross, Paul D Cotter
Kombucha is a sweetened tea beverage that, as a consequence of fermentation, contains ethanol, carbon dioxide, a high concentration of acid (gluconic, acetic and lactic) as well as a number of other metabolites and is thought to contain a number of health-promoting components. The sucrose-tea solution is fermented by a symbiosis of bacteria and yeast embedded within a cellulosic pellicle, which forms a floating mat in the tea, and generates a new layer with each successful fermentation. The specific identity of the microbial populations present has been the focus of attention but, to date, the majority of studies have relied on culture-based analyses...
April 2014: Food Microbiology
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