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Ginger tea

Qiju Huang, Pei Wang, Yingdong Zhu, Lishuang Lv, Shengmin Sang
Methylglyoxal (MGO), a reactive dicarbonyl species, is thought to contribute to the development of long-term pathological diabetes as a direct toxin or as an active precursor of advanced glycation end products (AGEs). Trapping MGO by dietary phenols to inhibit the MGO induced AGE formation is an approach for alleviating diabetic complications. The present study investigated whether dietary compounds with different structures and active sites have the additive capacity to trap MGO. Ginger phenolic constituent [6]-shogaol and tea flavonoid (-)-epicatechin were selected and tested under simulated physiological conditions, showing that they additively trapped about 41% MGO at a concentration of 10 μM within 24 h...
September 18, 2017: Journal of Agricultural and Food Chemistry
Mohsen Taghizadeh, Narjes Farzin, Sara Taheri, Mahnaz Mahlouji, Hossein Akbari, Fatemeh Karamali, Zatollah Asemi
BACKGROUND: This study was conducted to determine the effects of dietary supplements containing green tea, capsaicin and ginger extracts on weight loss and metabolic profiles among overweight women. METHODS: This randomized double-blind placebo-controlled clinical trial was implemented among 50 overweight women. Participants were randomly divided into 2 groups. Group A received dietary supplements containing 125 mg green tea, 25 mg capsaicin and 50 mg ginger extracts (n = 25) group B received placebos (n = 25) twice with lunch and twice with dinner daily for 8 weeks...
2017: Annals of Nutrition & Metabolism
Amornrat Intorasoot, Piyaorn Chornchoem, Siriwoot Sookkhee, Sorasak Intorasoot
AIM: The aim of the study is to investigate the antibacterial activity of 10 volatile oils extracted from medicinal plants, including galangal (Alpinia galanga Linn.), ginger (Zingiber officinale), plai (Zingiber cassumunar Roxb.), lime (Citrus aurantifolia), kaffir lime (Citrus hystrix DC.), sweet basil (Ocimum basilicum Linn.), tree basil (Ocimum gratissimum), lemongrass (Cymbopogon citratus DC.), clove (Syzygium aromaticum), and cinnamon (Cinnamomum verum) against four standard strains of Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Acinetobacter baumannii, and 30 clinical isolates of multidrug-resistant A...
April 2017: Journal of Intercultural Ethnopharmacology
Mandreker Bahall
BACKGROUND: Despite the paucity of scientific evidence, complementary and alternative medicine (CAM) is widely used for the prevention and treatment of illness, holistic care, and counteracting the adverse effects of conventional medicine (CM). This study investigates the use of CAM by patients with end-stage renal disease (ESRD) on haemodialysis. METHODS: This quantitative study was conducted from November 1, 2014 to December 31, 2014 in the haemodialysis unit at San Fernando General Hospital (San Fernando, Trinidad)...
May 4, 2017: BMC Complementary and Alternative Medicine
Yafang Guo, Yahui Guo, Yunfei Xie, Yuliang Cheng, He Qian, Weirong Yao
To study the antioxidant capacity (AC) regeneration of tert-butylhydroquinone (TBHQ) by tea polyphenols (TPs), a separable system has been designed for its evaluation. The AC values of three natural food matrices (liquorice, oat, and ginger) and TBHQ regenerated by TPs were all higher than their controls, and similar to the initial values (p<0.05). The average regeneration efficiency (RE) value was 1.49 for these three natural food matrices, and 0.82 for TBHQ. Electron paramagnetic resonance spectroscopy analysis has revealed the synergistic effect of TBHQ and TPs, which arose from the regeneration of TBHQ by TPs...
May 2017: Food Research International
Katarzyna Walczak, Sebastian Marciniak, Grażyna Rajtar
The effect of diet on cancer formation and prevention of carcinogenesis has attracted considerable attention for years and is the subject of several studies. Some components of the daily diet, such as resveratrol, curcumin, genistein, gingerol, can significantly reduce the risk of cancer or affect the rate of tumor progression. Cancer chemoprevention assumes the use of natural or synthetic biologically active substances in order to prevent, inhibit or reverse the progression of cancer. There are many biologically active compounds in several natural products, i...
March 2, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
M Rajini Kanth, A Ravi Prakash, G Sreenath, Vikram Simha Reddy, S Huldah
INTRODUCTION: Dental caries and periodontal diseases are the most common oral diseases seen globally, both in developed and developing countries. Oral microorganisms that is gram positive and gram negative bacteria are known to be involved in causation of these diseases. Nowadays commercially available dentrifices and mouth rinses are known to contain ingredients that can alter the oral microbial flora and have undesirable side effects such as vomiting, diarrhoea, disarrangement of oral, intestinal flora and tooth staining...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
Gabriela Elisa Hirsch, Paulo Ricardo Nazário Viecili, Amanda Spring de Almeida, Sabrina Nascimento, Fernando Garcez Porto, Juliana Otero, Aline Schmidt, Brenda da Silva, Mariana Migliorini Parisi, Jonatas Zeni Klafke
BACKGROUND: Complex hemostatic mechanisms are involved in the pathophysiology of various diseases, including cardiovascular diseases. Among them, dysregulation of platelet activity is linked to the progression of atherosclerosis and mainly involves platelet aggregation and a decrease in blood flow in the vascular endothelium. The major platelet activation pathways mediated by agonists involve the arachidonic acid pathway, adenosine diphosphate pathway, serotonin pathway, nitric oxide pathway, and action of free radicals on molecules involved in platelet aggregation...
November 23, 2016: Current Pharmaceutical Design
Maheswata Sahoo, Lingaraja Jena, Surya Narayan Rath, Satish Kumar
The influenza A (H1N1) virus, also known as swine flu is a leading cause of morbidity and mortality since 2009. There is a need to explore novel anti-viral drugs for overcoming the epidemics. Traditionally, different plant extracts of garlic, ginger, kalmegh, ajwain, green tea, turmeric, menthe, tulsi, etc. have been used as hopeful source of prevention and treatment of human influenza. The H1N1 virus contains an important glycoprotein, known as neuraminidase (NA) that is mainly responsible for initiation of viral infection and is essential for the life cycle of H1N1...
September 2016: Genomics & Informatics
Carola Schoenknecht, Gaby Andersen, Peter Schieberle
The bio-active compounds of ginger (Zingiber officinale Roscoe), the gingerols, are gaining considerable attention due to their numerous beneficial health effects. In order to elucidate the physiological relevance of the ascribed effects their bioavailability has to be determined taking their metabolization into account. To quantitate in vivo generated [6]-, [8]- and [10]-gingerol glucuronides in human plasma and urine after ginger tea consumption, a simultaneous and direct liquid chromatography-tandem mass spectrometry method based on stable isotope dilution assays was established and validated...
November 15, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
Tugsbaatar Baatartsogt, Vuong N Bui, Dai Q Trinh, Emi Yamaguchi, Dulyatad Gronsang, Rapeewan Thampaisarn, Haruko Ogawa, Kunitoshi Imai
Viral neuraminidase inhibitors are widely used as synthetic anti-influenza drugs for the prevention and treatment of influenza. However, drug-resistant influenza A virus variants, including H5N1 highly pathogenic avian influenza viruses (HPAIVs), have been reported. Therefore, the discovery of novel and effective antiviral agents is warranted. We screened the antiviral effects of 11 herbal tea extracts (hibiscus, black tea, tencha, rosehip tea, burdock tea, green tea, jasmine tea, ginger tea, lavender tea, rose tea and oak tea) against the H5N1 HPAIV in vitro...
October 1, 2016: Journal of Veterinary Medical Science
Chong-Zhi Wang, Jonathan Moss, Chun-Su Yuan
BACKGROUND: Patients who undergo surgery appear to use dietary supplements significantly more frequently than the general population. Because they contain pharmacologically active compounds, dietary supplements may affect coagulation and platelet function during the perioperative period through direct effects, pharmacodynamic interactions, and pharmacokinetic interactions. However, in this regard, limited studies have been conducted that address the pharmacological interactions of dietary supplements...
September 2015: Medicines (Basel, Switzerland)
Carola Schoenknecht, Gaby Andersen, Ines Schmidts, Peter Schieberle
In a pilot study with two volunteers, the main pungent and bioactive ginger (Zingiber officinale Roscoe) compounds, the gingerols, were quantitated in human plasma after ginger tea consumption using a newly established HPLC-MS/MS(ESI) method on the basis of stable isotope dilution assays. Limits of quantitation for [6]-, [8]-, and [10]-gingerols were determined as 7.6, 3.1, and 4.0 nmol/L, respectively. The highest plasma concentrations of [6]-, [8]-, and [10]-gingerols (42.0, 5.3, and 4.8 nmol/L, respectively) were reached 30-60 min after ginger tea intake...
March 23, 2016: Journal of Agricultural and Food Chemistry
Chethan Sampath, Yingdong Zhu, Shengmin Sang, Mohamed Ahmedna
BACKGROUND: Methylglyoxal (MGO) is known to be a major precursor of advanced glycation end products (AGEs) which are linked to diabetes and its related complications. Naturally occurring bioactive compounds could play an important role in countering AGEs thereby minimizing the risk associated with their formation. METHODS: In this study, eight specific bioactive compounds isolated from apple, tea and ginger were evaluated for their AGEs scavenging activity using Human Retinal Pigment Epithelial (H-RPE) cells treated with MGO...
February 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
John Yew Huat Tang, Bariah Ibrahim Izenty, Ahmad Juanda Nur' Izzati, Siti Rahmah Masran, Chew Chieng Yeo, Arshad Roslan, Che Abdullah Abu Bakar
This study aimed to investigate the survival of Vibrio cholerae O1 in 3 types of preparation for cooked rice, Oryza sativa L., (plain rice, rice with coconut milk, and rice with ginger); coffee, Coffea canephora, (plain coffee, coffee with sugar, and coffee with sweetened condensed milk); and tea, Camellia sinensis, (plain tea, tea with sugar, and tea with sweetened condensed milk) held at room temperature (27°C). The survival of V. cholerae O1 was determined by spread plate method on TCBS agar. Initial cultures of 8...
2013: International journal of food science
Paria Azimi, Reza Ghiasvand, Awat Feizi, Javad Hosseinzadeh, Maryam Bahreynian, Mitra Hariri, Hossein Khosravi-Boroujeni
Herbal medicines with high amounts of phytochemicals have been shown to have beneficial effects on blood pressure (BP), endothelial function and anthropometric measures. This study aimed to determine the effect of herbal treatment on BP, endothelial function and anthropometric measures in patients with type 2 diabetes mellitus (T2DM). This clinical trial included 204 T2DM patients randomly assigned to four intervention groups receiving 3 g cinnamon, 3 g cardamom, 1 g saffron or 3 g ginger with three glasses of black tea, and one control group consuming only three glasses of tea without any herbals, for 8 weeks...
June 2016: Blood Pressure
Solomon A Makanjuola, Victor N Enujiugha, Olufunmilayo S Omoba, David M Sanni
Tea and ginger are plants with high antioxidant potential. Combinations of antioxidants from different sources could also produce synergistic antioxidant effects. This study investigated the influence of solvent on antioxidant content of tea, ginger, and tea + ginger blends. Under the investigated extraction conditions, water was the most effective extraction solvent to maximise peroxide scavenging and iron chelating activity of tea, ginger, and their blends. Aqueous ethanol was the most effective solvent to maximise ABTS radical scavenging activity and ethanol was the best solvent to maximise DPPH radical scavenging activity...
November 2015: Natural Product Communications
Ahmed Elkirdasy, Saad Shousha, Abdulmohsen H Alrohaimi, M Faiz Arshad
The present study was designed to investigate the effects of the extract of green tea and/or ginger on some hematological and immunobiochemical profiles in alloxan-induced diabetic rabbits. The results revealed that treatment of diabetic animals with extract of green tea and/or ginger elevated the decreased HDL-c and LDL-c but significantly decreased triglycerides, the elevated glucose and GOT concentrations. The result also displayed a non-significant increase in the levels of CRP and fibrinogen. The experiment also revealed that the elevated MDA and GSH level fell down to the normal control group...
May 2015: Acta Poloniae Pharmaceutica
Andrew K Joe, Felice Schnoll-Sussman, Robert S Bresalier, Julian A Abrams, Hanina Hibshoosh, Ken Cheung, Richard A Friedman, Chung S Yang, Ginger L Milne, Diane D Liu, J Jack Lee, Kazeem Abdul, Michelle Bigg, Jessica Foreman, Tao Su, Xiaomei Wang, Aqeel Ahmed, Alfred I Neugut, Esther Akpa, Scott M Lippman, Marjorie Perloff, Powel H Brown, Charles J Lightdale
This study was conducted to determine the safety and efficacy of the green tea-derived Polyphenon E (Poly E) in patients with Barrett's Esophagus (BE). Subjects were randomized to a 6-month, twice daily (BID) oral treatment of placebo or Poly E (200, 400, or 600 mg). Endoscopic evaluation, including biopsies, was performed before and after treatment. The primary objective was to demonstrate safety; secondary objectives investigated catechin accumulation and effects in clinical specimens. Of the 44 enrolled subjects, 11 received placebo, and 33 received Poly E...
December 2015: Cancer Prevention Research
Solomon Akinremi Makanjuola, Victor Ndigwe Enujiugha, Olufunmilayo Sade Omoba, David Morakinyo Sanni
A response surface approach was used to investigate the effects of temperature, concentration, and time on the antioxidant properties (total flavonoid (TF), total phenol (TP), peroxide scavenging activity (PS), iron chelating activity (IC), DPPH radical-scavenging ability (DPPH), ABTS assay (ABTS)) of aqueous extract of tea-ginger (2:1) powder. Color indices, pH, and redox potential of the tea-ginger powder were also measured and used as independent variables for the prediction of antioxidant properties of the extract using ordinary least square (OLSR), principal component (PCR), and partial least square (PLSR) regression...
September 2015: Food Science & Nutrition
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