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ArticleAnalytical and bioanalytical chemistry2026

Comprehensive pollutant screening in honey using integrated targeted and non-targeted LC-Q-Orbitrap HRMS.

Omar Khaled, Lamia Ryad, Nermine Gad, Ekramy Halawa, Mohamed A Tahon, Mohamed Medhat, Fawzy Eissa

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Article in Analytical and bioanalytical chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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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

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Omar KhaledAgriculture Research Centre, Central Laboratory of Residue Analysis of Pesticides and Heavy Metals in Foods, Ministry of Agriculture, Giza, 12311, Egypt. omar.khaled5407@gmail.com.ORCID http://orcid.org/0009-0002-8928-5999
Lamia RyadAgriculture Research Centre, Central Laboratory of Residue Analysis of Pesticides and Heavy Metals in Foods, Ministry of Agriculture, Giza, 12311, Egypt.
Nermine GadAgriculture Research Centre, Central Laboratory of Residue Analysis of Pesticides and Heavy Metals in Foods, Ministry of Agriculture, Giza, 12311, Egypt.
Ekramy HalawaAgriculture Research Centre, Central Laboratory of Residue Analysis of Pesticides and Heavy Metals in Foods, Ministry of Agriculture, Giza, 12311, Egypt.
Mohamed A TahonAgriculture Research Centre, Central Laboratory of Residue Analysis of Pesticides and Heavy Metals in Foods, Ministry of Agriculture, Giza, 12311, Egypt.
Mohamed MedhatChromatography and Mass Spectrometry Department, MESLO Egypt and North Africa for Scientific Equipment, Heliopolis, Cairo, 11341, Egypt.
Fawzy EissaEnvironment and Bio-Agriculture Department, Faculty of Agriculture, Al-Azhar University, Nasr City, 11884, Cairo, Egypt.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study presents a comprehensive analytical framework combining targeted and non-targeted screening for pollutant residues in honey using liquid chromatography-quadrupole-Orbitrap high-resolution mass spectrometry (LC-Q-Orbitrap HRMS). A validated method targeting 30 veterinary drugs was extended to screen 300 honey samples. The analytical workflow employed Compound Discoverer software for data processing, integrating multiple database searches with stringent identification criteria including accurate mass (< 5 ppm), retention time (± 0.1 min), and MS2 fragmentation patterns. The screening identified 58 distinct compounds across diverse chemical classes. Pollutant residues included caffeine (69.7%), dulcin (61.7%), phenazone (41.0%), and multiple antibiotics, with sulfamethoxazole present in 20.0% of samples. Pesticide contamination was moderate, including acetamiprid (9.0%) and the neonicotinoid metabolite desnitro-imidacloprid (2.7%). Additionally, the non-targeted workflow captured 26 endogenous authenticity markers spanning flavonoids, phenolic acids, amino acids, organic acids, and sugar markers. Notably, aflatoxin B1 was detected in 2.7% of samples, alongside various mycotoxins and natural products. The wide concentration ranges observed, spanning 3-4 orders of magnitude, suggest both point-source and background environmental contamination. This integrated targeted/non-targeted approach demonstrates honey's utility as a biomonitoring matrix while revealing extensive contamination that warrants enhanced regulatory oversight.

Indexed as

Environmental PollutantsFood ContaminationHoneyLiquid Chromatography-Mass SpectrometryChromatography, LiquidEnvironmental PollutantsEnvironmental contaminantsFood safety surveillanceNon-targeted screeningPollutant monitoringScreening method

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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 OpenQuestion graph.