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maltol/dichloromethane
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Quantitative determination of sotolon, maltol and free furaneol in wine by solid-phase extraction and gas chromatography-ion-trap mass spectrometry.
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A method for the analytical determination of sotolon [4,5-dimethyl-3-hydroxy-2(5H)-furanone], maltol [3-hydroxy-2-methyl-4H-pyran-4-one] and free furaneol [2,5-dimethyl-4-hydroxy-3(2H)-furanone] in wine has been developed. The analytes are extracted from 50 ml of wine in a solid-phase extraction
Phytochemical investigation of the needles of Abies nebrodensis (Lojac.) Mattei.
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Abies nebrodensis (Lojac.) Mattei (Pinaceae) is a species living in a very small population only in a confined area of Sicily. In this study, the dichloromethane extract of the leaves was analyzed. Apart from three already known metabolites namely dehydroabietic acid; maltol; and rheosmin,
Aroma composition of red wines by different extraction methods and Gas Chromatography-SIM/MASS spectrometry analysis.
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One hundred and one volatile compounds, reported in literature as powerful odorants of wine, were quantified by Gas Chromatography-Selective Ion Monitoring/Mass Spectrometry (GC-SIM/MS) in Primitivo, Aglianico, Merlot and Cabernet Sauvignon red wines. Wine samples were extracted by 3 different
BIOLOGICAL AND PHYTOCHEMICAL INVESTIGATIONS OF EXTRACTS FROM PTEROCARPUS ERINACEUS POIR (FABACEAE) ROOT BARKS.
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BACKGROUND
Pterocarpus erinaceus Poir. belonging to Fabacae familly is used as medicinal plant in Burkina Faso's folk medicine. Roots of P. erinaceus are used to treat ulcer, stomach ache and inflammatory diseases. The objective of the present study was to carry out phytochemical composition of
Antioxidative activities of fractions obtained from brewed coffee.
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The antioxidative activity of column chromatographic fractions obtained from brewed coffee was investigated to find antioxidants and to assess the benefit of coffee drinking. The dichloromethane extract inhibited hexanal oxidation by 100 and 50% for 15 days and 30 days, respectively, at the level of
Bilim tarafından desteklenen en eksiksiz şifalı otlar veritabanı
- 55 dilde çalışır
- Bilim destekli bitkisel kürler
- Görüntüye göre bitki tanıma
- Etkileşimli GPS haritası - bölgedeki bitkileri etiketleyin (yakında)
- Aramanızla ilgili bilimsel yayınları okuyun
- Şifalı bitkileri etkilerine göre arayın
- İlgi alanlarınızı düzenleyin ve haber araştırmaları, klinik denemeler ve patentlerle güncel kalın
Bir belirti veya hastalık yazın ve yardımcı olabilecek bitkiler hakkında bilgi edinin, bir bitki yazın ve karşı kullanıldığı hastalıkları ve semptomları görün.
* Tüm bilgiler yayınlanmış bilimsel araştırmalara dayanmaktadır
