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piperanine/bors
A hivatkozás a vágólapra kerül
11 eredmények
[Identify metabolites of Piper longum alkaloids in feces and urine of rat by HPLC-FT-MS].
Csak regisztrált felhasználók fordíthatnak cikkeket
Belépés Regisztrálás
The metabolites were detected in feces and urine of rats orally administrated alkaloids of Piper longum by using high performance liquid chromatography coupled with a Fourier Transform ion cyclotron resonance mass spectrometer (HPLC-FT-MS). According to the mass spectrometric data and reported
[Quantitative Analysis of Piperine and the Derivatives in Long Pepper Extract by HPLC Using Relative Molar Sensitivity].
Csak regisztrált felhasználók fordíthatnak cikkeket
Belépés Regisztrálás
A novel method was developed for quantification of five major piperine derivatives (piperanine, piperine, chavicine, isopiperine, and isochavicine) in a hot water extract of long pepper fruit (LPE) using the relative molar sensitivity (RMS) based on the combination of HPLC/UV and 1H-
Preparative isolation and purification of amides from the fruits of Piper longum L. by upright counter-current chromatography and reversed-phase liquid chromatography.
Csak regisztrált felhasználók fordíthatnak cikkeket
Belépés Regisztrálás
A versatile counter-current chromatography (CCC) with upright type-J multilayer coil planet centrifuge, named upright CCC, was applied to the isolation and purification of amides from Piper longum L., which is widely used as an anodyne and a treatment for stomach disease in China. After the
Analysis by HPLC and LC/MS of pungent piperamides in commercial black, white, green, and red whole and ground peppercorns.
Csak regisztrált felhasználók fordíthatnak cikkeket
Belépés Regisztrálás
Pepper plants accumulate pungent bioactive alkaloids called piperamides. To facilitate studies in this area, high-performance liquid chromatography (HPLC) and liquid chromatography/mass spectrometry methods were developed and used to measure the following piperamides in 10 commercial whole
New amides and gastroprotective constituents from the fruit of Piper chaba.
Csak regisztrált felhasználók fordíthatnak cikkeket
Belépés Regisztrálás
The 80 % aqueous acetone extract from the fruit of Piper chaba was found to show protective effects on ethanol- and indomethacin-induced gastric lesions in rats. From the aqueous acetone extract, four new amides named piperchabamides A ( 1), B ( 2), C ( 3), and D ( 4) were isolated, and their
Protective effects of amide constituents from the fruit of Piper chaba on D-galactosamine/TNF-alpha-induced cell death in mouse hepatocytes.
Csak regisztrált felhasználók fordíthatnak cikkeket
Belépés Regisztrálás
The methanolic extract from the fruit of Piper chaba (Piperaceae) was found to have a hepatoprotective effect on D-galactosamine (D-GalN)/lipopolysaccharide (LPS)-induced liver injury in mice. From the ethyl acetate-soluble fraction, a new amide constituent named piperchabamide E together with
The Possibility of Using Isolated Alkaloid Compounds and Crude Extracts of Piper retrofractum (Piperaceae) as Larvicidal Control Agents for Culex quinquefasciatus (Diptera: Culicidae) Larvae.
Csak regisztrált felhasználók fordíthatnak cikkeket
Belépés Regisztrálás
Culex quinquefasciatus is a common domestic mosquito that is widespread in many areas of Thailand and serves as a southeastern vector of Japanese encephalitis. The present study investigated the acute toxicity of crude extracts and alkaloid compounds of Piper retrofractum (Piperales: Piperaceae) in
Identification and simultaneous quantification of five alkaloids in Piper longum L. by HPLC-ESI-MS(n) and UFLC-ESI-MS/MS and their application to Piper nigrum L.
Csak regisztrált felhasználók fordíthatnak cikkeket
Belépés Regisztrálás
A simple, effective and suitable UFLC-ESI-MS/MS method was firstly developed to simultaneously determine five characteristic constituents (piperine, piperlonguminine, Δα,β-dihydropiperlonguminine, pellitorine and piperanine) of Piper longum L. The total alkaloids of P. longum L. was prepared. The
Constituents of Chinese Piper species and their inhibitory activity on prostaglandin and leukotriene biosynthesis in vitro.
Csak regisztrált felhasználók fordíthatnak cikkeket
Belépés Regisztrálás
The n-hexane extracts of 19 Piper species, predominantly from China, were screened for their 5-lipoxygenase (5-LOX) and cyclooxygenase-1 (COX-1) inhibitory potential. Many of them showed considerable inhibitory activity against at least one of these two key enzymes of the arachidonic acid
Activation of TRPV1 and TRPA1 by black pepper components.
Csak regisztrált felhasználók fordíthatnak cikkeket
Belépés Regisztrálás
We searched in this study for novel agonists of transient receptor potential cation channel, subfamily V, member 1 (TRPV1) and transient receptor potential cation channel, subfamily A, member 1 (TRPA1) in pepper, focusing attention on 19 compounds contained in black pepper. Almost all the compounds
Direct from solid natural products to pure compounds in a single step: Coupling online extraction with high-speed counter-current chromatography.
Csak regisztrált felhasználók fordíthatnak cikkeket
Belépés Regisztrálás
Extraction is the most important step in the purification of bioactive compounds from natural products. This study introduces a simple online extraction strategy coupled with high-speed counter-current chromatography for efficient extraction and purification of bioactive components from solid
A legteljesebb gyógynövény-adatbázis, amelyet a tudomány támogat
- Működik 55 nyelven
- A tudomány által támogatott gyógynövényes kúrák
- Gyógynövények felismerése kép alapján
- Interaktív GPS térkép - jelölje meg a gyógynövényeket a helyszínen (hamarosan)
- Olvassa el a keresésével kapcsolatos tudományos publikációkat
- Keresse meg a gyógynövényeket hatásuk szerint
- Szervezze meg érdeklődését, és naprakész legyen a hírkutatással, a klinikai vizsgálatokkal és a szabadalmakkal
Írjon be egy tünetet vagy betegséget, és olvassa el azokat a gyógynövényeket, amelyek segíthetnek, beírhat egy gyógynövényt, és megtekintheti azokat a betegségeket és tüneteket, amelyek ellen használják.
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