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Spearmint tea

Nargesh Khatun Jokar, Seyyed Ali Noorhosseini, Mohammad Sadegh Allahyari, Christos A Damalas
ETHNOPHARMACOLOGICAL RELEVANCE: The shift in consumers' preferences from synthetic to 'natural' products has led to a resurgence of interest in medicinal plants, particularly in developing countries. However, research data about consumers' preferences for particular products is hard to find. AIMS AND OBJECTIVES: The main objective of this study was to contribute to the general understanding of consumers' intention for selecting medicinal herbs for consumption. MATERIALS AND METHODS: Factors underpinning consumers' acceptance of medicinal herbs were studied with the technology acceptance model (TAM) in Rasht City of Iran using a structured questionnaire...
June 15, 2017: Journal of Ethnopharmacology
Ingride Rita, Carla Pereira, Lillian Barros, Celestino Santos-Buelga, Isabel C F R Ferreira
Mentha spicata L., commonly known as spearmint, is widely used in both fresh and dry forms, for infusion preparation or in European and Indian cuisines. Recently, with the evolution of the tea market, several novel products with added value are emerging, and the standard lots have evolved to reserve lots, with special harvest requirements that confer them with enhanced organoleptic and sensorial characteristics. The apical leaves of these batches are collected in specific conditions having, then, a different chemical profile...
October 12, 2016: Food & Function
Yang Chen, Salvador Lopez, Douglas G Hayward, Hoon Yong Park, Jon W Wong, Suyon S Kim, Jason Wan, Ravinder M Reddy, Daniel J Quinn, David Steiniger
A simplified sample preparation method in combination with gas chromatography-triple-quadrupole mass spectrometry (GC-MS/MS) analysis was developed and validated for the simultaneous determination of 227 pesticides in green tea, ginseng, gingko leaves, saw palmetto, spearmint, and black pepper samples. The botanical samples were hydrated with water and extracted with acetonitrile, magnesium sulfate, and sodium chloride. The acetonitrile extract was cleaned up using solid phase extraction with carbon-coated alumina/primary-secondary amine with or without C18...
August 10, 2016: Journal of Agricultural and Food Chemistry
C Mystrioti, T D Xanthopoulou, P Tsakiridis, N Papassiopi, A Xenidis
The effectiveness of five plant extracts and juices, i.e. extracts of Camellia sinensis (green tea, GT), Syzygium aromaticum (clove, CL), Mentha spicata (spearmint, SM), Punica granatum juice (pomegranate, PG) and Red Wine (RW), for the production of nanoiron suspensions and their application for Cr(VI) reduction was investigated. Polyphenols contained in extracts act as reducing agents for iron ions in aqueous solutions, forming thus iron nanoparticles, and stabilize the nanoparticles produced from further oxidation and agglomeration...
January 1, 2016: Science of the Total Environment
C Mystrioti, D Sparis, N Papasiopi, A Xenidis, D Dermatas, M Chrysochoou
Alternative plant extracts were examined as raw materials for the synthesis of nZVI from ferric solutions. Four plants were selected for evaluation, i.e. Camellia sinensis (green tea, GT), Syzygium aromaticum (clove, CL), Mentha spicata (spearmint, SM) and Punica granatum (pomegranate, PG). Based on the results obtained, it was concluded that the reduction of Fe(III) with the herb extracts is not complete. Using the GT extract, approximately 28 mM of the initial 66 mM of Fe (42.4 %) are reduced to the elemental state Fe(0)...
March 2015: Bulletin of Environmental Contamination and Toxicology
Zeljko Mihaljev, Milica Zivkov-Balos, Zeljko Cupić, Sandra Jaksić
Levels of Fe, Mn, Cu, Zn, Mo, Co, Ni, Se, Sn and Al were determined in 14 medicinal plants from Serbia, which are widely used in phytopharmacy as herbal teas. The following plants were investigated: yarrow (Achillea millefolium L.), basil (Ocimum hasilicum L.), St. John's wort (Hypericum perforatum L.), peppermint (Mentha x piperita L.), field horsetail (Equisetum arvense L.), stinging nettle (Urtica dioica L.), thyme (Thymus serpyllum L.), maize silk (Zea mays L. - Maydis stigma), hibiscus (Hibiscus sabdariffa L...
May 2014: Acta Poloniae Pharmaceutica
A Erin Connelly, Amy J Tucker, Hilary Tulk, Marisa Catapang, Lindsey Chapman, Natasha Sheikh, Svitlana Yurchenko, Ron Fletcher, Laima S Kott, Alison M Duncan, Amanda J Wright
UNLABELLED: Individuals with medically diagnosed knee osteoarthritis (OA) participated in a randomized, double-blind study to investigate the effects of a high-rosmarinic acid (rosA) spearmint tea. Sixty-two participants were randomized by sex and screening pain score to consume tea brewed from a high-rosA spearmint variety or a commercially available spearmint twice daily for 16 weeks. Pain, quality of life (QoL), and physical function at baseline and week 16 were assessed using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), Short-Form 36-item Health Survey (SF-36), 6-minute walk test (6MWT), and stair climb test (SCT)...
December 2014: Journal of Medicinal Food
Paul Grant, Shamin Ramasamy
Anti-androgens are an assorted group of drugs and compounds that reduce the levels or activity of androgen hormones within the human body. Disease states in which this is relevant include polycystic ovarian syndrome, hirsutism, acne, benign prostatic hyperplasia, and endocrine related cancers such as carcinoma of the prostate. We provide an overview and discussion of the use of anti-androgen medications in clinical practice and explore the increasing recognition of the benefits of plant-derived anti-androgens, for example, spearmint tea in the management of PCOS, for which some evidence about efficacy is beginning to emerge...
2012: International Journal of Endocrinology and Metabolism
Rafaela Guimarães, Lillian Barros, Ana Maria Carvalho, Isabel C F R Ferreira
Infusions (herbal teas) and decoctions are used frequently to administer oral doses of herbs. Although some herbs are used as single ingredients, they are often prepared as mixtures, as reported by numerous ethnobotanical surveys. The present work was carried out to identify the different types of interaction (synergistic, additive and antagonistic effects) which may be found in the antioxidant activity of preparations from mixtures of the popular herbs Aloysia citrodora (lemon verbena), Foeniculum vulgare (fennel) and Mentha spicata (spearmint)...
August 2011: Phytotherapy Research: PTR
Paul Grant
Hirsutism in polycystic ovarian syndrome (PCOS), consequent to elevated androgen levels leads to significant cosmetic and psychological problems. Recent research in Turkey has shown that spearmint tea has antiandrogenic properties in females with hirsutism. No research has yet been undertaken to assess whether a reduction in androgen levels brought about by spearmint tea, translates to a clinical improvement in the degree of hirsutism. This study was a two centre, 30 day randomized controlled trial. Forty two volunteers were randomized to take spearmint tea twice a day for a 1 month period and compared with a placebo herbal tea...
February 2010: Phytotherapy Research: PTR
Mehmet Akdoğan, Mehmet Numan Tamer, Erkan Cüre, Medine Cumhur Cüre, Banu Kale Köroğlu, Namik Delibaş
Mentha spicata Labiatae, known as spearmint and Mentha piperita Labiatae, known as peppermint can be used for various kinds of illnesses in herbal medicine and flavoring in industry. M. spicata Labiatae grows on the Anamas plateau of Yenithornarbademli town of Isparta, located in southwest part of Turkey. In this town, clinicians thought that consumption of tea steeped with M. spicata or M. piperita caused a diminished libido. Because antiandrogenic effects of spearmint and peppermint were found previously in rats, it was decided to observe the effect of this herbal tea on the androgen levels in hirsute women...
May 2007: Phytotherapy Research: PTR
Tian-Wei Yu, Meirong Xu, Roderick H Dashwood
The antimutagenic activity of spearmint (Mentha spicata), a popular food flavoring agent, was studied in the Salmonella assay. Spearmint leaves were brewed in hot water for 5 min at concentrations up to 5% (w/v), and the water extracts were tested against the direct-acting mutagens 4-nitro-1,2-phenylenediamine (NPD) and 2-hydroxyamino-3-methyl-3H-imidazo[4,5-f]quinoline (N-OH-IQ) using Salmonella typhimurium strain TA98. Nontoxic concentrations of spearmint extract inhibited the mutagenic activity of N-OH-IQ in a concentration-dependent fashion, but had no effect against NPD...
2004: Environmental and Molecular Mutagenesis
Shigeru Abe, Naho Maruyama, Kazumi Hayama, Shigeharu Inouye, Haruyuki Oshima, Hideyo Yamaguchi
BACKGROUND: In aromatherapy, essential oils are used as anti-inflammatory remedies, but experimental studies on their action mechanisms are very limited. AIMS OF THE STUDY: To assess their anti-inflammatory activities, the effects of essential oils on neutrophil recruitment in mice were examined in vivo. METHOD: The effect of essential oils on leukocyte and neutrophil recruitment induced 6 h after intraperitoneal injection of casein in mice was examined...
February 2004: Mediators of Inflammation
Shigeru Abe, Naho Maruyama, Kazumi Hayama, Hiroko Ishibashi, Shigeharu Inoue, Haruyuki Oshima, Hideyo Yamaguchi
BACKGROUND: In aromatherapy, essential oils are used as anti-inflammatory remedies, but experimental studies on their action mechanisms are very limited. AIMS: To assess their anti-inflammatory activities, effects of essential oils on neutrophil activation were examined in vitro. METHODS: Neutrophil activation was measured by tumor necrosis factor-alpha (TNF-alpha)-induced adherence reaction of human peripheral neutrophils. RESULTS: All essential oils tested at 0...
December 2003: Mediators of Inflammation
Won-Il Choi, Eun-Hee Lee, Byeoung-Ryeol Choi, Hyung-Man Park, Young-Joon Ahn
A total of 53 plant essential oils were tested for their insecticidal activities against eggs, nymphs, and adults of Trialeurodes vaporariorum Westwood, using an impregnated filter paper bioassays without allowing direct contact. Responses varied according to oil type and dose, and developmental stage of the insect. Bay, caraway seed, clove leaf, lemon eucalyptus, lime dis 5 F, pennyroyal, peppermint, rosewood, spearmint, and tea tree oils were highly effective against T. vaporariorum adults, nymphs, and eggs at 0...
October 2003: Journal of Economic Entomology
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