Search Results - "Masaharu Ikegaki"
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Chemical Characterization and Antioxidant, Antimicrobial, and Anti-Inflammatory Activities of South Brazilian Organic Propolis
Published in PloS one (01-11-2016)“…South Brazilian organic propolis (OP), which has never been studied before, was assessed and its chemical composition, scavenging potential of reactive oxygen…”
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2
An insight into the botanical origins of propolis from permanent preservation and reforestation areas of southern Brazil
Published in Scientific reports (11-11-2021)“…Brown propolis from permanent preservation and reforestation areas of southern Brazil have attracted international commercial interest and have a unique…”
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3
Anti-Inflammatory and Antimicrobial Evaluation of Neovestitol and Vestitol Isolated from Brazilian Red Propolis
Published in Journal of agricultural and food chemistry (15-05-2013)“…The objective of this study was to evaluate anti-inflammatory and antimicrobial activities of neovestitol and vestitol isolated from Brazilian red propolis…”
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4
The effect of seasons on Brazilian red propolis and its botanical source: chemical composition and antibacterial activity
Published in Natural product research (03-06-2017)“…The aim of this study was to evaluate the effect of seasons on the chemical composition and antibacterial activity of Brazilian red propolis (BRP) and its…”
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5
Importance and Implications of the Production of Phenolic Secondary Metabolites by Endophytic Fungi: A Mini-Review
Published in Mini reviews in medicinal chemistry (01-03-2016)“…In the natural products research, a valuable approach is the prospection of uncommon sources and unexplored habitat. Special attention has been given to…”
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Active Antioxidant Phenolics from Brazilian Red Propolis: An Optimization Study for Their Recovery and Identification by LC-ESI-QTOF-MS/MS
Published in Antioxidants (16-02-2021)“…Brazilian red propolis (BRP) is a natural product widely known for its phenolic composition and strong antioxidant properties. In this study, we used the…”
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7
Isolation and analysis of bioactive isoflavonoids and chalcone from a new type of Brazilian propolis
Published in Separation and purification technology (20-02-2011)“…[Display omitted] ▶ Isolation of isoflavonoids from a new type of Brazilian propolis. ▶ Identification of isoflavonoids with antioxidant and antimicrobial…”
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Effects of Cinnamoyloxy-mammeisin from Geopropolis on Osteoclast Differentiation and Porphyromonas gingivalis-Induced Periodontitis
Published in Journal of natural products (Washington, D.C.) (23-06-2017)“…Bone-loss-related diseases such as rheumatoid arthritis, osteomyelitis, osteoporosis, and periodontitis are associated with high rates of morbidity worldwide…”
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9
A low-cost yeast-based biofuel cell: an educational green approach
Published in Green chemistry letters and reviews (01-01-2017)“…This paper describes the construction and characterization of a biofuel cell with low-cost materials. The system uses the baker's yeast (Saccharomyces…”
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10
Anti-inflammatory and anti-biofilm properties of ent-nemorosone from Brazilian geopropolis
Published in Journal of functional foods (01-10-2016)“…•ent-Nemorosone had no reports about its anti-inflammatory and anti-biofilm activities.•ent-Nemorosone reduced the TNF-α production by acting on ERK1/2 and…”
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11
Identification of a bioactive compound isolated from Brazilian propolis type 6
Published in Bioorganic & medicinal chemistry (15-07-2009)“…A prenylated benzophenone, hyperibone A, was isolated from the hexane fraction of Brazilian propolis type 6. Its structure was determined by spectral analysis…”
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12
Anti-AIDS Agents. 48. Anti-HIV Activity of Moronic Acid Derivatives and the New Melliferone-Related Triterpenoid Isolated from Brazilian Propolis
Published in Journal of natural products (Washington, D.C.) (01-10-2001)“…A new triterpenoid named melliferone (1), three known triterpenoids, moronic acid (2), anwuweizonic acid (3), and betulonic acid (4), and four known aromatic…”
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13
In vitro and in vivo effects of isolated fractions of Brazilian propolis on caries development
Published in Journal of ethnopharmacology (03-10-2005)“…Recently, two chemically different types of Brazilian propolis (type-3 and -12) were shown to have cariostatic properties. This study aimed to evaluate the…”
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14
The influence of a novel propolis on mutans streptococci biofilms and caries development in rats
Published in Archives of oral biology (2006)“…A flavonoids-free Brazilian propolis (type 6) showed biological effects against mutans streptococci and inhibited the activity of glucosyltransferases. This…”
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15
The correlation between the phenolic composition and biological activities of two varieties of Brazilian propolis (G6 and G12)
Published in Brazilian Journal of Pharmaceutical Sciences (01-09-2012)“…Biological assays that have been performed on different types of Brazilian propolis have shown that type 6 propolis (G6) has a strong antimicrobial activity…”
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16
Biological activities of the fermentation extract of the endophytic fungus Alternaria alternata isolated from Coffea arabica L
Published in Brazilian Journal of Pharmaceutical Sciences (01-12-2009)“…A total of 22 endophytic fungi isolated from coffee (Coffea arabica L.) were cultivated in vitro and their crude extracts tested. The screening was carried out…”
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Effect of a Novel Type of Propolis and Its Chemical Fractions on Glucosyltransferases and on Growth and Adherence of Mutans Streptococci
Published in Biological & Pharmaceutical Bulletin (2003)“…Flavonoids have been considered the main biologically active components in propolis. However, a new variety of flavonoid-free propolis was recently found and…”
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18
Enzymatic resolution of (R,S)-ibuprofen and (R,S)-ketoprofen by microbial lipases from native and commercial sources
Published in Brazilian journal of microbiology (01-07-2006)“…The enantioselectivity (E) of native lipases from Aspergillus niger, Aspergillus terreus, Fusarium oxysporum, Mucor javanicus, Penicillium solitum and Rhizopus…”
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19
Preparation of Water and Ethanolic Extracts of Propolis and Evaluation of the Preparations
Published in Bioscience, biotechnology, and biochemistry (1998)“…Propolis was extracted using water and various concentrations of ethanol as solvents. The extracts were investigated by measurement of absorption spectrum with…”
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20
Effect of a mouthrinse containing selected propolis on 3-day dental plaque accumulation and polysaccharide formation
Published in Caries research (01-11-2002)“…The aim of this study was to evaluate the effect of a mouthrinse containing propolis SNB-RS on 3-day dental plaque accumulation. Six volunteers took part in a…”
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