Results 1 to 10 of about 16,724 (164)

Oleacein Intestinal Permeation and Metabolism in Rats Using an In Situ Perfusion Technique [PDF]

open access: goldPharmaceutics, 2021
Oleacein (OLEA) is one of the most important phenolic compounds in extra virgin olive oil in terms of concentration and health-promoting properties, yet there are insufficient data on its absorption and metabolism.
Anallely López-Yerena   +5 more
doaj   +9 more sources

Absorption mechanism of three curcumin constituents through in situ intestinal perfusion method [PDF]

open access: goldBrazilian Journal of Medical and Biological Research, 2017
This study aimed to investigate the absorption mechanism of three curcumin constituents in rat small intestines. Self-emulsification was used to solubilize the three curcumin constituents, and the rat in situ intestinal perfusion method was used to study
Y.-H. Wang   +3 more
doaj   +6 more sources

Application of Rat In Situ Single-pass Intestinal Perfusion in the Evaluation of Presystemic Extraction of Indinavir Under Different Perfusion Rates [PDF]

open access: yesJournal of the Formosan Medical Association, 2008
First-pass effect has been an important concern for oral pharmaceuticals. An in vivo system was developed for measuring different concentrations of pharmaceuticals in the portal vein and hepatic vein (via the inferior vena cava) for delineating ...
Yunn-Fang Ho   +6 more
doaj   +6 more sources

Effect of berbamine hydrochloride on the absorption of berberine hydrochloride in an in situ single-pass intestinal perfusion system in rats [PDF]

open access: gold, 2022
Purpose: To investigate the intestinal absorption characteristics of berberine hydrochloride (BBH) under different perfusion conditions in rats.Methods: Based on the in situ single-pass intestinal perfusion model of rats, HPLC was used to determine the ...
Xi Tang   +7 more
openalex   +3 more sources

In situ perfusion in rodents to explore intestinal drug absorption: Challenges and opportunities

open access: greenInternational Journal of Pharmaceutics, 2014
The in situ intestinal perfusion technique in rodents is a very important absorption model, not only because of its predictive value, but it is also very suitable to unravel the mechanisms underlying intestinal drug absorption. This literature overview covers a number of specific applications for which the in situ intestinal perfusion set-up can be ...
Jef Stappaerts   +3 more
openalex   +4 more sources

Intestinal absorption of forsythoside A in in situ single-pass intestinal perfusion and in vitro Caco-2 cell models [PDF]

open access: bronzeActa Pharmacologica Sinica, 2012
To investigate the mechanisms underlying the intestinal absorption of the major bioactive component forsythoside A (FTA) extracted from Forsythiae fructus.An in vitro Caco-2 cell model and a single-pass intestinal perfusion in situ model in SD rats were used.In the in vitro Caco-2 cell model, the mean apparent permeability value (P(app)-value) was 4.15×
Wei Zhou   +6 more
openalex   +4 more sources

The assessment of absorption of periplocin in situ via intestinal perfusion of rats by HPLC [PDF]

open access: bronzeBiomedical Chromatography, 2007
AbstractPeriplocin is an important compound of Cortex Periplocae, which shows poor absorption when administered orally. The effective intestinal permeability of periplocin was investigated using single‐pass intestinal perfusion technique in male Wistar rats. SPIP was performed in rat jejunum.
Yue‐Sheng Xie   +4 more
openalex   +4 more sources

Mechanisms of gemcitabine oral absorption as determined by in situ intestinal perfusions in mice

open access: greenBiochemical Pharmacology, 2019
Gemcitabine is a widely used chemotherapeutic drug that is administered via intravenous infusion due to a low oral bioavailability of only 10%. This low oral bioavailability is believed to be the result of gemcitabine's low intestinal permeability and oral absorption, followed by significant presystemic metabolism.
Brian R. Thompson   +2 more
openalex   +5 more sources

The Absorption Characteristics of Nonvolatile Components in a Water Extraction From Amomi fructus as Determined by In Situ Single-Pass Intestinal Perfusion and High-Performance Liquid Chromatography [PDF]

open access: goldFrontiers in Pharmacology, 2020
BackgroundAmomi fructus is a famous traditional Chinese medicine (TCM) that can exert beneficial effects during the treatment of gastrointestinal diseases and is used widely in China and other countries in Southeast Asia.
Yuebao Yao   +7 more
doaj   +2 more sources

In Situ Intestinal Perfusion of Irinotecan: Application to P-gp Mediated Drug Interaction and Introduction of an Improved HPLC Assay

open access: diamondJournal of Pharmacy & Pharmaceutical Sciences, 2011
PURPOSE: To determine experimentally the intestinal permeability of the anticancer prodrug irinotecan, and to quantify the amount of its cytotoxic metabolite SN-38 that is intestinally excreted (exsorped) as a predictor of intestinal toxicity, and to ...
Abdullah Khalil Rabba   +4 more
doaj   +3 more sources

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