Search Results - "Stefanello, A A"
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The Anti-Arthritic Potential of the Ethanolic Extract of Salvia Lachnostachys Benth. Leaves and Icetexane Dinor-Diterpenoid Fruticuline B
Published in Pharmaceuticals (Basel, Switzerland) (18-09-2024)“…The decoction of Benth. leaves is used in Brazilian folk medicine for anti-spasmodic, antipyretic, and anxiolytic purposes. Some of the biological effects of…”
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Naphthoquinones of Sinningia reitzii and Anti-inflammatory/Antinociceptive Activities of 8‑Hydroxydehydrodunnione
Published in Journal of natural products (Washington, D.C.) (23-06-2017)“…Chemical investigation of the tubers of Sinningia reitzii led to the isolation of five new naphthoquinones, 8-hydroxydehydrodunnione (1),…”
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ANTIOXIDANT NAPHTHOQUINONES OF Sinningia reitzii FROM SANTA CATARINA STATE, BRAZIL
Published in Química Nova (01-05-2021)“…Sinningia reitzii (Hoehne) L. E. Skog (Gesneriaceae) is a subshrub native to Brazil, where it is distributed in two disjunctive populations around the 26°S and…”
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CHEMICAL CONSTITUENTS OF Sinningia mauroana AND SCREENING OF ITS EXTRACTS FOR ANTIMICROBIAL, ANTIOXIDANT AND CYTOTOXIC ACTIVITIES
Published in Química nova (01-02-2020)“…Phytochemical study of aerial parts from Sinningia mauroana Chautems (Gesneriaceae) yielded 17 known compounds: sitosterol, stigmasterol, betulinic acid,…”
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1H HR-MAS NMR chemical profile and chemometric analysis as a tool for quality control of different cultivars of green tea (Camellia sinensis)
Published in Food chemistry (15-05-2023)“…[Display omitted] •Qualitative chemical profiles of green tea cultivars were similar over the harvest.•Fluctuations in chemical contents were associated with…”
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Effect of point mutations on Herbaspirillum seropedicae NifA activity
Published in Brazilian journal of medical and biological research (01-08-2015)“…NifA is the transcriptional activator of the nif genes in Proteobacteria. It is usually regulated by nitrogen and oxygen, allowing biological nitrogen fixation…”
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Bioactivity‐guided Isolation of Cytotoxic Sesquiterpene Lactones of Gochnatia polymorpha ssp. floccosa
Published in Phytotherapy research (01-07-2012)“…Phytochemical study of Gochnatia polymorpha (Less) Cabr. ssp. floccosa Cabr. trunk bark, guided by antiproliferative assays on 10 human cancer cell lines and…”
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Antinociceptive and Anti‐inflammatory Activities of the Ethanolic Extract, Fractions and 8‐Methoxylapachenol from Sinningia allagophylla Tubers
Published in Basic & clinical pharmacology & toxicology (01-07-2013)“…This study investigated the antinociceptive and anti‐inflammatory activities of the ethanolic extract (EESAl), fractions and the compound 8‐methoxylapachenol…”
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Constituents of the Leaves of Magnolia ovata
Published in Journal of natural products (Washington, D.C.) (28-08-2009)“…Two new lignans, magnovatins A (1) and B (2), along with nine known compounds, were isolated from the leaves of Magnolia ovata. The known compounds were…”
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10-year follow-up of natural crown bonding after tooth fracture
Published in Operative dentistry (01-09-2014)“…The aim of this article is to discuss relevant considerations about crown bonding and describe a clinical case in which a tooth fragment and direct composite…”
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Lactones and Quinones from the Tubers of Sinningia aggregata
Published in Journal of natural products (Washington, D.C.) (27-08-2010)“…Three new aromatic ε-lactones, aggregatins A (1), B (2), and C (3), a new naphthoquinone derivative, aggregatin D (4), and three known anthraquinones,…”
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Minimally invasive intervention in a case of a noncarious lesion and severe loss of tooth structure
Published in Operative dentistry (01-05-2012)“…The present article describes a minimally invasive technique used for the restoration of loss of tooth structure caused by erosion of intrinsic etiology…”
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A new sesquiterpene lactone and other constituents of Moquiniastrum polymorphum subsp. floccosum (Asteraceae)
Published in Natural product communications (01-11-2014)“…A new guaianolide, 1S, 3S, 5R, 6S, 7S, 11R-l-hydroxy-11α,13-dihydrozaluzanin C (1), was isolated from Moquiniastrum polymorphum subsp. floccosum trunk bark,…”
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Naphthochromenes and Related Constituents from the Tubers of Sinningia allagophylla
Published in Journal of natural products (Washington, D.C.) (22-04-2016)“…Chemical investigation of the tubers of Sinningia allagophylla led to the isolation of two new chromenes, (2S)-12-hydroxylapachenole (1) and…”
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A Naphthoquinone from Sinningia canescens Inhibits Inflammation and Fever in Mice
Published in Inflammation (01-06-2017)“…We previously showed that plants from the genus Sinningia are a source of antiinflammatory and analgesic compounds with different mechanisms of action. The…”
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Cytotoxic abietane-derivative diterpenoids of Salvia lachnostachys
Published in Phytochemistry letters (01-09-2016)Get full text
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Chemical composition, seasonal variation and evaluation of antimicrobial activity of essential oils of Talauma ovata A. St. Hil. (Magnoliaceae)
Published in The Journal of essential oil research (01-11-2008)“…The essential oils isolated by hydrodistillation from trunk bark and leaves of Talauma ovata A. St. Hil. (Magnoliaceae), collected in four seasons, were…”
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Essential oil composition of Myrcia laruotteana Camb
Published in The Journal of essential oil research (01-09-2007)“…Essential oils isolated by hydrodistillation from leaves and flowers of Myrcia laruotteana were analyzed bycapillary GC and GC/MS. Twenty-five compounds,…”
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Antitumoral photoinduced effects of crude extract, fractions, and naphthoquinones from Sinningia magnifica (Otto & A. Dietr.) Wiehler (Gesneriaceae) in a bioguided study
Published in Photochemistry and photobiology (01-01-2024)“…Photodynamic therapy (PDT) has been used for various purposes, including as an antitumor resource in a noninvasive therapy with minimal side effects. Sinningia…”
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