Evidence mapPaperPMID 41790721Full record

ArticlePloS one2026

Development of nanoemulsion formulation loaded with Enteromorpha intestinalis extract: Characterization and evaluation for topical use.

Shumaila Qadir, Shahlla Imam, Syed Abid Ali, Fatima Ramzan Ali, Wajiha Iffat, Rabia Ismail Yousuf, Rafia Usman, Shahana Wahid, Iqbal Azhar

Abstract read
In one paragraph

Article in PloS one, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
field-weighted citation impact
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

1 citing paper in PubMed.

  1. Protective Effect ofFoods (Basel, Switzerland) · 2026
    Article
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

9 authors.

Shumaila QadirDepartment of Pharmacognosy, Faculty of Pharmacy & Pharmaceutical Sciences, University of Karachi, Karachi, Sindh, Pakistan.
Shahlla ImamDepartment of Pharmacognosy, Faculty of Pharmacy & Pharmaceutical Sciences, University of Karachi, Karachi, Sindh, Pakistan.ORCID https://orcid.org/0000-0002-6415-643X
Syed Abid AliH.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, Sindh, Pakistan.
Fatima Ramzan AliDepartment of Pharmacy, SM Sohail University, Karachi, Pakistan.
Wajiha IffatDepartment of Pharmaceutics, Dow College of Pharmacy, Dow University of Health Sciences, Karachi, Sindh-Pakistan.
Rabia Ismail YousufDepartment of Pharmaceutics, Faculty of Pharmacy & Pharmaceutical Sciences, University of Karachi, Karachi, Sindh-Pakistan.
Rafia UsmanDepartment of Chemistry, NED University of Engineering & Technology, Karachi, Sindh, Pakistan.
Shahana WahidDepartment of Pharmacy, Benazir Bhutto Shaheed University, Karachi, Sindh, Pakistan.
Iqbal AzharDepartment of Pharmacognosy, Faculty of Pharmacy & Pharmaceutical Sciences, University of Karachi, Karachi, Sindh, Pakistan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Enteromorpha intestinalis is a green seaweed enriched with diverse bioactive compounds that possess substantial pharmacological and biotechnological properties. Despite the focus on their therapeutic applications, research on the development of nano-formulations is limited. Therefore, this study aimed to develop an E. intestinalis (EI) extract-based nanoemulsion for topical use. Olive oil, Tween-80 (surfactant), and PEG-400 (co-surfactant) were selected for the formulation of the nanoemulsion. The Smix ratio was set to 1:1 using a pseudo-ternary phase diagram. Moreover, a design experiment ascertained the composition of the formulation, followed by physicochemical characterization. The optimal formulation, based on droplet size, was selected for further analysis. Stability studies, antioxidant and anti-inflammatory properties of selected nanoemulsion formulation were determined and acute dermal toxicity assay was also performed. The best formulation (F6) displayed a droplet size of 183.27 ± 20.04 nm, PDI of 0.6, and viscosity of 290 ± 5.77 m-Pa.S. The developed nanoemulsion exhibited good skin compatibility and a slightly acidic pH. Both the extract and nanoemulsion formulation exhibited concentration-dependent antioxidant activity. The nanoemulsion had a lower IC50 value of 163.19 μg/mL, showing greater efficacy than the seaweed extract alone. Formulation (F6) also significantly (p < 0.05) inhibited paw volume (8-31%) compared to the control, while diclofenac sodium achieved a maximum inhibition of 41%. The designed formulation was stable, effective, and non-irritating demonstrating its potential topical application. This study presents, for the first time, a nanoemulsion formulation that incorporates E. intestinalis extract. This advancement paves the way for further in vivo studies to assess the efficacy and safety of this formulation for clinical applications.

Indexed as

NanoparticlesPlant ExtractsUlvaAdministration, TopicalAnimalsAnti-Inflammatory AgentsAntioxidantsEmulsionsOlive OilParticle SizePolyethylene GlycolsPolysorbatesSkinSurface-Active AgentsAnti-Inflammatory AgentsAntioxidantsEmulsionsOlive OilPlant Extractspolyethylene glycol 400Polyethylene GlycolsPolysorbatesSurface-Active Agents

Identifiers

PMID41790721
PMCPMC12965610

What Socratic holds

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Registered trials

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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 Socratic graph.