Innovative Bio-Based Organic UV-A and Blue Light Filters from Meldrum’s Acid
Open accessAbstract
Faced with the ban of some organic UV filters such as octinoxate or avobenzone, especially in Hawaii, it became essential to offer new alternatives that are both renewable and safe for humans and the environment. In this context, a class of bio-based molecules displaying interesting UV filter properties and great (photo)stability has been developed from Meldrum’s acid and bio-based and synthetic p-hydroxycinnamic acids, furans and pyrroles. Moreover, p-hydroxycinnamic acid-based Meldrum’s derivatives possess valuable secondary activities sought by the cosmetic industry such as antioxidant and anti-tyrosinase properties. The evaluation of the properties of mixture of judiciously chosen Meldrum’s acid derivatives highlighted the possibility to modulate secondary activity while maintaining excellent UV protection. Meldrum’s acid derivatives are not only competitive when benchmarked against organic filters currently on the market (i.e., avobenzone), but they also do not exhibit any endocrine disruption activity.
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Compounds 180 and 183 possess photostability with LoA < avobenzone (11).
“Moreover, p-hydroxycinnamic acid-based Meldrum’s derivatives (180 and 183) possess antioxidant and anti-tyrosinase properties, photoprotective characteristics, namely against UVA radiation and blue light, and photostability (with LoA < avobenzone (11)) [145] reinforcing their potential as multifunctional agents for cosmetic application [24].”
From UV Filters: Challenges and Prospects (2022) · cites this paper as [145]
In Results §2.2 (page not provided), the paper reports 3.5% loss of absorbance for its simplest coumaric derivative, versus 0.6% for avobenzone, and says the other phenolic derivatives have greater losses. Results §2.5 reports 6.4% for another phenolic derivative and says only a mixture—not the individual compounds—performed better than avobenzone. The paper uses different compound numbers, but its reported phenolic-series results run contrary to the claimed lower loss of absorbance. (LLM, conf=0.85)
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Experimental — accuracy not yet measuredCompounds 182, 184, 187, and 191 do not interact with receptors, showing absence of agonistic (% receptor activity < 30%) and antagonistic (% receptor activity > 70%) effects.
“Interestingly, endocrine disruption assays were performed for compounds 182, 184, 187, and 191, that revealed non-interaction with receptors, showing the absence of agonistic (% receptor activity < 30%) and antagonistic (% receptor activity > 70%) effects [145].”
From UV Filters: Challenges and Prospects (2022) · cites this paper as [145]
Section 2.6, Endocrine Disruption Assays (page unavailable), reports that four tested molecules barely interacted with the receptors and showed no agonist or antagonist activity. It identifies them as compounds 3, 5, 8, and 12, not 182, 184, 187, and 191; the cited text also does not establish the claimed <30% and >70% activity thresholds. (LLM, conf=0.86)
Experimental — accuracy not yet measuredA small library of compounds from Meldrum's acid and p-hydroxycinnamic acids (180-183), furans (184-190), and pyrroles (191-193) displays interesting UV filter properties.
“Recently, Peyrot et al. (2020) developed a small library of compounds from Meldrum’s acid and p-hydroxycinnamic acids (180–183), furans (184–190), and pyrroles (191–193), displaying interesting UV filter properties and photostability.”
From UV Filters: Challenges and Prospects (2022) · cites this paper as [145]
p-Hydroxycinnamic acid-based Meldrum's derivatives 180 and 183 possess antioxidant and anti-tyrosinase properties.
“Moreover, p-hydroxycinnamic acid-based Meldrum’s derivatives (180 and 183) possess antioxidant and anti-tyrosinase properties, photoprotective characteristics, namely against UVA radiation and blue light, and photostability (with LoA < avobenzone (11)) [145] reinforcing their potential as multifunctional agents for cosmetic application [24].”
From UV Filters: Challenges and Prospects (2022) · cites this paper as [145]
A small library of compounds from Meldrum's acid and p-hydroxycinnamic acids (180-183), furans (184-190), and pyrroles (191-193) displays photostability.
“Recently, Peyrot et al. (2020) developed a small library of compounds from Meldrum’s acid and p-hydroxycinnamic acids (180–183), furans (184–190), and pyrroles (191–193), displaying interesting UV filter properties and photostability.”
From UV Filters: Challenges and Prospects (2022) · cites this paper as [145]
Compounds 180 and 183 have potential as multifunctional agents for cosmetic application.
“Moreover, p-hydroxycinnamic acid-based Meldrum’s derivatives (180 and 183) possess antioxidant and anti-tyrosinase properties, photoprotective characteristics, namely against UVA radiation and blue light, and photostability (with LoA < avobenzone (11)) [145] reinforcing their potential as multifunctional agents for cosmetic application [24].”
From UV Filters: Challenges and Prospects (2022) · cites this paper as [145]
Compounds 180 and 183 possess photoprotective characteristics against UVA radiation and blue light.
“Moreover, p-hydroxycinnamic acid-based Meldrum’s derivatives (180 and 183) possess antioxidant and anti-tyrosinase properties, photoprotective characteristics, namely against UVA radiation and blue light, and photostability (with LoA < avobenzone (11)) [145] reinforcing their potential as multifunctional agents for cosmetic application [24].”
From UV Filters: Challenges and Prospects (2022) · cites this paper as [145]
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- Authors
- Peyrot, C., Mention, M. M., Brunissen, F., Balaguer, P., & Allais, F.
- Affiliations
- AgroParisTech (FR)
- Inserm (FR)
- Corresponding author
- Allais, Florent
- Venue
- Molecules
- Publisher
- MDPI AG
- Published
- 2020-05-06
- Volume
- 25
- Issue
- 9
- Pages
- 2178
- ISSN
- 1420-3049 (ISSN-L)
- PMC
- PMC7248827
- OpenAlex
- W3022667728
- Cited by
- 35
- References
- 48
- Citations by year
- 2026: 3 · 2025: 6 · 2024: 4 · 2023: 7 · 2022: 6 · 2021: 5 · 2020: 4
- FWCI
- 4.01
- Type
- journal article
- Language
- en
- Open access
- gold
- dx.doi.org
- Licence
- Locations
- Molecules (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- HAL (submittedVersion, other-oa)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Agence Nationale de la Recherche (ANR-17-CE07-0046)
- H2020 Future and Emerging Technologies (828753)
- Topics
- Health Sciences › Medicine › Dermatology › Skin Protection and Aging
- Physical Sciences › Materials Science › Materials Chemistry › Photochromic and Fluorescence Chemistry
- Physical Sciences › Chemistry › Organic Chemistry › Photopolymerization techniques and applications
- Keywords
- Meldrum's acid derivatives, p-hydroxycinnamic acid, furan, pyrrole, photostability, antioxidant activity, tyrosinase inhibition, endocrine disruption
- MeSH terms
- Biocompatible Materials, Biphenyl Compounds, Cell Line, Coumaric Acids, Dioxanes, Furans, Humans, Picrates, Pyrroles, Monophenol Monooxygenase, Ultraviolet Rays, Free Radical Scavengers, Endocrine Disruptors
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