Evidence map›Paper›PMID 25224342›Full record

ArticleDrug development and industrial pharmacy2015

Pre-formulation studies of resveratrol.

Keila Robinson, Charlotta Mock, Dong Liang

Open access · greenAbstract readValidation Study
In one paragraph

Article in Drug development and industrial pharmacy, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 63 papers.

0numbers the graph read from it
0cells of the map it votes in
63citing papers in PubMed
2.0field-weighted citation impact, top 15% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

63 citing papers in PubMed, 166 citations in OpenAlex.

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3 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 1 institution in 1 country.

Keila Robinsona Department of Pharmaceutical Sciences , Texas Southern University , Houston , TX , USA.
Charlotta Mock
Dong Liang
Texas Southern University · US

Funding

TISSUE CULTURE FACILITY DVMT FOR HYPERTENSION, DIABETES, TOXICOLOGY &AIDS RESG12RR003045 · NCRR · TEXAS SOUTHERN UNIVERSITY · PI HAYES, BARBARA ELAINE · 1986 to 2011
$13.6M
Center for Biomedical and Health Research Excellence (CBHRE)G12MD007605 · NIMHD · TEXAS SOUTHERN UNIVERSITY · PI OYEKAN, ADEBAYO O., WILSON, BOBBY L · 2014 to 2018
$7.1M
NCRR NIH HHS G12 RR003045NCRR NIH HHS G12RR003045-21NIMHD NIH HHS G12 MD007605
6 · The paper itself

Abstract

contextResveratrol, a natural compound found in grapes, has potential chemotherapy effects but very low oral bioavailability in humans.

objectiveTo evaluate the solubility, pH stability profile, plasma protein binding (PPB) and stability in plasma for resveratrol.

methodsSolubility of resveratrol was measured in 10 common solvents at 25 °C using HPLC. The solution state pH stability of resveratrol was assessed in various United States Pharmacopeia buffers ranging from pH 2 to 10 for 24 h at 37 °C. Samples were analyzed up to 24 h. Human PPB was determined using ultracentrifugation technique. Standard solutions of drug were spiked to blank human plasma to yield final concentrations of 5, 12.5 or 25 μg/mL for determination. Finally, stability of resveratrol in human and rat plasma was also assessed at 37 °C. Aliquots of blank plasma were spiked with a standard drug concentration to yield final plasma concentration of 50 μg/mL. Samples were analyzed for resveratrol concentration up to 96 h.

resultsResveratrol has wide solubility ranging from 0.05 mg/mL in water to 374 mg/mL in polyethylene glycol 400 (PEG-400). Resveratrol is relatively stable above pH 6 and has maximum degradation at pH 9. The mean PPB of resveratrol is 98.3%. Resveratrol degrades in human and rat plasma in a first-order process with mean half lives of 54 and 25 h, respectively.

conclusionResveratrol is more soluble in alcohol and PEG-400 and stable in acidic pH. It binds highly to plasma proteins and degrades slower in human then rat plasma.

Indexed as

AnimalsAntineoplastic Agents, PhytogenicBiological AvailabilityBlood ProteinsChemistry, PharmaceuticalChromatography, High Pressure LiquidDrug StabilityHalf-LifeHumansHydrogen-Ion ConcentrationMalePharmaceutical SolutionsProtein BindingRatsRats, Sprague-DawleyResveratrolAntineoplastic Agents, PhytogenicBlood ProteinsPharmaceutical SolutionsResveratrolSolventsStilbenesNatural compoundphysiochemical evaluationplasma protein bindingpolyphenolsolubilitystability

Identifiers

PMID25224342
PMCPMC4427559
OpenAlexW2018780332

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.