Topical Delivery of Geranium/Calendula Essential Oil-Entrapped Ethanolic Lipid Vesicular Cream to Combat Skin Aging

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Abstract

The present study deals with the evaluation of the age-defying potential of topical cream formulations bearing Geranium essential oil/Calendula essential oil-entrapped ethanolic lipid vesicles (ELVs). Two types of cream formulations were prepared, viz., conventional and ELVs spiked o/w creams. Essential oil- (EO-) loaded ELVs were characterized by vesicle size, polydispersity index, encapsulation efficiency, and scanning electron microscopy. The cream formulations were evaluated for homogeneity, spreadability, viscosity, pH, in vitro antioxidant capacity, sun protection factor, and in vitro collagenase and elastase inhibition capacity. Confocal laser scanning microscopy (CLSM) was performed to ascertain skin permeation of conventional and vesicular cream. The results of in vitro antioxidant studies showed that GEO-/CEO-loaded vesicular creams have notable antioxidant capacity when compared to nonvesicular creams. GEO- or CEO-loaded vesicular creams exhibited the highest SPF value 10.26 and 18.54, respectively. Both the EO-based vesicular creams showed in vitro collagenase and elastase enzyme inhibition capacity. CLSM images clearly depicted that vesicular cream deep into the skin layers. From the research findings, the age-defying potential and photoprotective effects of GEO and CEO were confirmed. It can be concluded that ELVs are able to preserve the efficiency of EOs and have the potential to combat skin aging.

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Ethosomes - novel vesicular carriers for enhanced delivery: characterization and skin penetration properties.

E Touitou, N Dayan, L Bergelson … (2000)

This work describes a novel carrier for enhanced skin delivery, the ethosomal system, which is composed of phospholipid, ethanol and water. Ethosomal systems were much more efficient at delivering a fluorescent probe to the skin in terms of quantity and depth, than either liposomes or hydroalcoholic solution. The ethosomal system dramatically enhanced the skin permeation of minoxidil in vitro compared with either ethanolic or hydroethanolic solution or phospholipid ethanolic micellar solution of minoxidil. In addition, the transdermal delivery of testosterone from an ethosomal patch was greater both in vitro and in vivo than from commercially available patches. Skin permeation of ethosomal components, ethanol and phospholipid, was demonstrated in diffusion-cell experiments. Ethosomal systems composed of soy phosphatidylcholine 2%, ethanol 30% and water were shown by electron microscopy to contain multilamellar vesicles. 31P-NMR studies confirmed the bilayer configuration of the lipids. Calorimetry and fluorescence measurements suggested that the vesicular bilayers are flexible, having a relatively low T(m) and fluorescence anisotropy compared with liposomes obtained in the absence of ethanol. Dynamic light scattering measurements indicated that ethanol imparted a negative charge to the vesicles. The average vesicle size, as measured by dynamic light scattering, was modulated by altering the ethosome composition. Experiments using fluorescent probes and ultracentrifugation showed that the ethosomes had a high entrapment capacity for molecules of various lyophilicities.

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Anti-collagenase, anti-elastase and anti-oxidant activities of extracts from 21 plants

Tamsyn Thring, Pauline Hili, Declan P Naughton (2009)

Background Owing to their roles in tissue remodelling in health and disease, several studies have reported investigations on plant extracts as inhibitors of proteinases and as anti-oxidants. Methods The anti-ageing and anti-oxidant properties of 23 plant extracts (from 21 plant species) were assessed as anti-elastase and anti-collagenase activities and in selected anti-oxidant assays along with phenolic content. Results Anti-elastase activities were observed for nine of the extracts with inhibitory activity in the following order: white tea (~89%), cleavers (~58%), burdock root (~51%), bladderwrack (~50%), anise and angelica (~32%). Anti-collagenase activities were exhibited by sixteen plants of which the highest activity was seen in white tea (~87%), green tea (~47%), rose tincture (~41%), and lavender (~31%). Nine plant extracts had activities against both elastase (E) and collagenase (C) and were ranked in the order of white tea (E:89%, C:87%) > bladderwrack (E:50%, C:25%) > cleavers (E:58%, C:7%) > rose tincture (E:22%, C:41%) > green tea (E:10%: C:47%) > rose aqueous (E: 24%, C:26%) > angelica (E:32%, C:17%) > anise (E:32%, C:6%) > pomegranate (E:15%, C:11%). Total phenolic content varied between 0.05 and 0.26 mg gallic acid equivalents (GAE)/mL with the exception of white tea (0.77 mg GAE/mL). For anti-oxidant assessment, the Trolox equivalent anti-oxidant capacity (TEAC) assay revealed activity for all extracts. White tea had the highest activity equivalent to ~21 μM Trolox for a 6.25 μg aliquot. In addition, seven extracts exhibited activities = 10 μM Trolox with witch hazel (6.25 μg = 13 μM Trolox) and rose aqueous (6.25 μg = 10 μM Trolox) showing very high activities at low concentrations. A high activity for white tea was also found in the superoxide dismutase (SOD) assay in which it exhibited ~88% inhibition of reduction of nitroblue tetrazolium. High activities were also observed for green tea (86.41%), rose tincture (82.77%), witch hazel (82.05%) and rose aqueous (73.86%). Conclusion From a panel of twenty three plant extracts, some one dozen exhibit high or satisfactory anti-collagenase or anti-elastase activities, with nine having inhibitory activity against both enzymes. These included white tea which was found to have very high phenolic content, along with high TEAC and SOD activities.

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The free radical theory of aging.

Christine Harman (2003)

Aging is the accumulation of changes that increase the risk of death. Aging changes can be attributed to development, genetic defects, the environment, disease, and an inborn process: the aging process. The latter is the major risk factor for disease and death after age 28 in the developed countries. In these countries, average life expectancies at birth (ALE-B) now range from 76 to 79 years, 6-9 years less than the limit of approximately 85 years imposed by aging. Aging changes may be caused by free radical reactions. The extensive studies based on this possibility hold promise that the ALE-B can be extended to >85 years and the maximum life span increased.

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Author and article information

Contributors

Anurag Verma:

ORCID: https://orcid.org/0000-0003-3716-3033

Journal

Journal ID (nlm-ta): Biomed Res Int

Journal ID (iso-abbrev): Biomed Res Int

Journal ID (publisher-id): BMRI

Title: BioMed Research International

Publisher: Hindawi

ISSN (Print): 2314-6133

ISSN (Electronic): 2314-6141

Publication date Collection: 2021

Publication date (Electronic): 11 September 2021

Volume: 2021

Electronic Location Identifier: 4593759

Affiliations

¹School of Pharmaceutical Sciences, IFTM University, 244102, Moradabad, India

²Teerthanker Mahaveer College of Pharmacy, Teerthanker Mahaveer University, 244102, Moradabad, India

³Department of Biotechnology, Maharani's Science College for Women, 560001, Bangalore, India

⁴Pharmacy College Saifai, Uttar Pradesh University of Medical Sciences, 206130, Uttar Pradesh, India

Author notes

Academic Editor: Dr. Abdul Ahad

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Alka Lohani https://orcid.org/0000-0003-2580-7524

Anurag Verma https://orcid.org/0000-0003-3716-3033

Kamla Pathak https://orcid.org/0000-0001-9074-9792

Article

DOI: 10.1155/2021/4593759

PMC ID: 8452390

PubMed ID: 34552986

SO-VID: 469fcff5-a3bd-4414-afdb-e117c6a0b647

License:

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

History

Date received : 8 May 2021

Date revision received : 9 August 2021

Date accepted : 16 August 2021

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Topical Delivery of Geranium/Calendula Essential Oil-Entrapped Ethanolic Lipid Vesicular Cream to Combat Skin Aging

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Most cited references 34

Ethosomes - novel vesicular carriers for enhanced delivery: characterization and skin penetration properties.

Anti-collagenase, anti-elastase and anti-oxidant activities of extracts from 21 plants

The free radical theory of aging.

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