Evidence map›Paper›PMID 31340489›Full record

ArticleAntioxidants (Basel, Switzerland)2019

Preparation of Retinoyl-Flavonolignan Hybrids and Their Antioxidant Properties.

Christopher S Chambers, David Biedermann, Kateřina Valentová, Lucie Petrásková, Jitka Viktorová, Marek Kuzma, Vladimír Křen

Open access · goldAbstract read
In one paragraph

Article in Antioxidants (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
0.9field-weighted citation impact, top 31% 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

11 citing papers in PubMed, 14 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. Article
  10. Carotenoids.Antioxidants (Basel, Switzerland) · 2019
    Article
  11. Hesperidin: A Therapeutic Agent For Obesity.Drug design, development and therapy · 2019
    Review
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

7 authors at 2 institutions in 1 country.

Christopher S ChambersLaboratory of Biotransformation, Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, 14220 Prague, Czech Republic.
David BiedermannLaboratory of Biotransformation, Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, 14220 Prague, Czech Republic.ORCID 0000-0001-6726-9301
Kateřina ValentováLaboratory of Biotransformation, Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, 14220 Prague, Czech Republic.ORCID 0000-0002-7714-5350
Lucie PetráskováLaboratory of Biotransformation, Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, 14220 Prague, Czech Republic.
Jitka ViktorováDepartment of Biochemistry and Microbiology, University of Chemistry and Technology, Technická 5, 16628 Prague, Czech Republic.
Marek KuzmaLaboratory of Biotransformation, Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, 14220 Prague, Czech Republic.
Vladimír KřenLaboratory of Biotransformation, Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, 14220 Prague, Czech Republic. kren@biomed.cas.cz.ORCID 0000-0002-1091-4020
Czech Academy of Sciences · CZUniversity of Chemistry and Technology, Prague · CZ

Funding

ESF COST CA15136 "EUROCAROTEN"Ministerstvo Školství, Mládeže a Tělovýchovy LTC17009
6 · The paper itself

Abstract

Antioxidants protect the structural and functional components in organisms against oxidative stress. Most antioxidants are of plant origin as the plants are permanently exposed to oxidative stress (UV radiation, photosynthetic reactions). Both carotenoids and flavonoids are prominent antioxidant and anti-radical agents often occurring together in the plant tissues and acting in lipophilic and hydrophilic milieu, respectively. They are complementary in their anti-radical activity. This study describes the synthesis of a series of hybrid ester conjugates of retinoic acid with various flavonolignans, such as silybin, 2,3-dehydrosilybin and isosilybin. Antioxidant/anti-radical activities and bio-physical properties of novel covalent carotenoid-flavonoid hybrids, as well as various mixtures of the respective parent components, were investigated. Retinoyl conjugates with silybin-which is the most important flavonolignan in silymarin complex-(and its pure diastereomers) displayed better 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity than both the parent compounds and their equimolar mixtures.

Indexed as

antioxidantanti-radicalcarotenoidsconjugateesterificationflavonolignansretinoic acidretinolsilymarinvitamin A

Identifiers

PMID31340489
PMCPMC6680806
OpenAlexW2963972911

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.