Development of Microemulsions Containing <i>Glochidion wallichianum</i> Leaf Extract and Potential for Transdermal and Topical Skin Delivery of Gallic Acid

<i>Glochidion wallichianum</i> (GW) is a good source of antioxidants, including gallic acid, promoting its development as a microemulsion. We constructed five pseudo-ternary phase diagrams comprising isopropyl myristate (IPM), water, and surfactant mixture (Smix)—i.e., Labrasol<sup>...

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Główni autorzy: Attawadee Sae Yoon, Pajaree Sakdiset
Format: Artykuł
Język:English
Wydane: MDPI AG 2020-11-01
Seria:Scientia Pharmaceutica
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Dostęp online:https://www.mdpi.com/2218-0532/88/4/53
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author Attawadee Sae Yoon
Pajaree Sakdiset
author_facet Attawadee Sae Yoon
Pajaree Sakdiset
author_sort Attawadee Sae Yoon
collection DOAJ
description <i>Glochidion wallichianum</i> (GW) is a good source of antioxidants, including gallic acid, promoting its development as a microemulsion. We constructed five pseudo-ternary phase diagrams comprising isopropyl myristate (IPM), water, and surfactant mixture (Smix)—i.e., Labrasol<sup>®</sup>:HCO-40<sup>®</sup> (1:1) with Transcutol<sup>®</sup> (1:1, 2:1, 3:1), and Tween80:Span80 (3:2) with Transcutol<sup>®</sup> or propylene glycol:ethanol (1:1). Additionally, blank and GW extract-loaded microemulsions were prepared at an IPM:Water:Smix ratio of 10:30:60 (high water content) and 30:10:60 (high oil content) from each Smix. The physical characteristics, skin permeation, and disposition were evaluated. The formulations with high water content and conductivities provided higher gallic acid permeation and disposition than those with high oil content. The Smix of Labrasol<sup>®</sup>:HCO-40<sup>®</sup> (1:1) and Transcutol<sup>®</sup> (1:1) promoted the highest gallic acid permeation (enhancement ratio 1.78 ± 0.12) and was suitable for transdermal delivery. However, the 1% hydroxypropyl methylcellulose control gel, the microemulsion with Smix of Labrasol<sup>®</sup>:HCO-40<sup>®</sup> (1:1) with Transcutol<sup>®</sup> (2:1), and Smix of Tween80:Span80 (3:2) with propylene glycol:ethanol (1:1) could provide higher skin accumulation of gallic acid than that with other formulations. The microstructures, ratio of surfactant:cosurfactant, and compositions of microemulsions were found to affect the skin permeation and disposition of gallic acid and require optimization to act as transdermal or topical delivery carriers.
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spelling doaj.art-e5110ae4eeff4651ab38c66606bfb1a62023-11-20T19:43:52ZengMDPI AGScientia Pharmaceutica0036-87092218-05322020-11-018845310.3390/scipharm88040053Development of Microemulsions Containing <i>Glochidion wallichianum</i> Leaf Extract and Potential for Transdermal and Topical Skin Delivery of Gallic AcidAttawadee Sae Yoon0Pajaree Sakdiset1Drug and Cosmetics Excellence Center, Walailak University, 222 Thaiburi, Thasala 80161, Nakhon Si Thammarat, ThailandDrug and Cosmetics Excellence Center, Walailak University, 222 Thaiburi, Thasala 80161, Nakhon Si Thammarat, Thailand<i>Glochidion wallichianum</i> (GW) is a good source of antioxidants, including gallic acid, promoting its development as a microemulsion. We constructed five pseudo-ternary phase diagrams comprising isopropyl myristate (IPM), water, and surfactant mixture (Smix)—i.e., Labrasol<sup>®</sup>:HCO-40<sup>®</sup> (1:1) with Transcutol<sup>®</sup> (1:1, 2:1, 3:1), and Tween80:Span80 (3:2) with Transcutol<sup>®</sup> or propylene glycol:ethanol (1:1). Additionally, blank and GW extract-loaded microemulsions were prepared at an IPM:Water:Smix ratio of 10:30:60 (high water content) and 30:10:60 (high oil content) from each Smix. The physical characteristics, skin permeation, and disposition were evaluated. The formulations with high water content and conductivities provided higher gallic acid permeation and disposition than those with high oil content. The Smix of Labrasol<sup>®</sup>:HCO-40<sup>®</sup> (1:1) and Transcutol<sup>®</sup> (1:1) promoted the highest gallic acid permeation (enhancement ratio 1.78 ± 0.12) and was suitable for transdermal delivery. However, the 1% hydroxypropyl methylcellulose control gel, the microemulsion with Smix of Labrasol<sup>®</sup>:HCO-40<sup>®</sup> (1:1) with Transcutol<sup>®</sup> (2:1), and Smix of Tween80:Span80 (3:2) with propylene glycol:ethanol (1:1) could provide higher skin accumulation of gallic acid than that with other formulations. The microstructures, ratio of surfactant:cosurfactant, and compositions of microemulsions were found to affect the skin permeation and disposition of gallic acid and require optimization to act as transdermal or topical delivery carriers.https://www.mdpi.com/2218-0532/88/4/53microemulsion<i>Glochidion wallichianum</i>antioxidant activityskin permeationskin disposition
spellingShingle Attawadee Sae Yoon
Pajaree Sakdiset
Development of Microemulsions Containing <i>Glochidion wallichianum</i> Leaf Extract and Potential for Transdermal and Topical Skin Delivery of Gallic Acid
Scientia Pharmaceutica
microemulsion
<i>Glochidion wallichianum</i>
antioxidant activity
skin permeation
skin disposition
title Development of Microemulsions Containing <i>Glochidion wallichianum</i> Leaf Extract and Potential for Transdermal and Topical Skin Delivery of Gallic Acid
title_full Development of Microemulsions Containing <i>Glochidion wallichianum</i> Leaf Extract and Potential for Transdermal and Topical Skin Delivery of Gallic Acid
title_fullStr Development of Microemulsions Containing <i>Glochidion wallichianum</i> Leaf Extract and Potential for Transdermal and Topical Skin Delivery of Gallic Acid
title_full_unstemmed Development of Microemulsions Containing <i>Glochidion wallichianum</i> Leaf Extract and Potential for Transdermal and Topical Skin Delivery of Gallic Acid
title_short Development of Microemulsions Containing <i>Glochidion wallichianum</i> Leaf Extract and Potential for Transdermal and Topical Skin Delivery of Gallic Acid
title_sort development of microemulsions containing i glochidion wallichianum i leaf extract and potential for transdermal and topical skin delivery of gallic acid
topic microemulsion
<i>Glochidion wallichianum</i>
antioxidant activity
skin permeation
skin disposition
url https://www.mdpi.com/2218-0532/88/4/53
work_keys_str_mv AT attawadeesaeyoon developmentofmicroemulsionscontainingiglochidionwallichianumileafextractandpotentialfortransdermalandtopicalskindeliveryofgallicacid
AT pajareesakdiset developmentofmicroemulsionscontainingiglochidionwallichianumileafextractandpotentialfortransdermalandtopicalskindeliveryofgallicacid