Self-microemulsifying drug delivery systems of Moringa oleifera extract for enhanced dissolution of kaempferol and quercetin

The aim of the present study was to develop self-microemulsifying drug delivery systems (SMEDDS) of the extract of Moringa oleifera, a herbal medicinal plant. Kaempferol and quercetin, the flavonoids present in the leaf extract of M. oleifera, were chosen as markers for quantification. The optimized...

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Main Authors: Sermkaew Namfa, Plyduang Thipapun
Format: Article
Language:English
Published: Sciendo 2020-03-01
Series:Acta Pharmaceutica
Subjects:
Online Access:https://doi.org/10.2478/acph-2020-0012
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author Sermkaew Namfa
Plyduang Thipapun
author_facet Sermkaew Namfa
Plyduang Thipapun
author_sort Sermkaew Namfa
collection DOAJ
description The aim of the present study was to develop self-microemulsifying drug delivery systems (SMEDDS) of the extract of Moringa oleifera, a herbal medicinal plant. Kaempferol and quercetin, the flavonoids present in the leaf extract of M. oleifera, were chosen as markers for quantification. The optimized formulation of SMEDDS consisted of propylene glycol dicaprylocaprate, polysorbate 80, and polyethylene glycol 400 (PEG 400) in a percentage ratio of 20:60:20 (m/m). SMEDDS emulsified immediately (within 20 s) after dilution in water, resulting in transparent microemulsions with a droplet size of 49 nm. SMEDDS could increase the solubility of kaempferol and quercetin to nearly 100 % within 15 min, whereas only a 30 % improvement in solubility was achieved in the case of crude extract. These results demonstrated SMEDDS to be a promising strategy to improve the solubility of M. oleifera extract-derived drugs, which, in turn, could prove beneficial to the herbal medicine field.
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spelling doaj-art-c8a16e23334149d58470dd8aad7abfa92025-02-02T15:05:35ZengSciendoActa Pharmaceutica1846-95582020-03-01701778810.2478/acph-2020-0012acph-2020-0012Self-microemulsifying drug delivery systems of Moringa oleifera extract for enhanced dissolution of kaempferol and quercetinSermkaew Namfa0Plyduang Thipapun1School of Pharmacy, Walailak University, Nakhon Si Thammarat, 80161, ThailandSchool of Pharmacy, Walailak University, Nakhon Si Thammarat, 80161, ThailandThe aim of the present study was to develop self-microemulsifying drug delivery systems (SMEDDS) of the extract of Moringa oleifera, a herbal medicinal plant. Kaempferol and quercetin, the flavonoids present in the leaf extract of M. oleifera, were chosen as markers for quantification. The optimized formulation of SMEDDS consisted of propylene glycol dicaprylocaprate, polysorbate 80, and polyethylene glycol 400 (PEG 400) in a percentage ratio of 20:60:20 (m/m). SMEDDS emulsified immediately (within 20 s) after dilution in water, resulting in transparent microemulsions with a droplet size of 49 nm. SMEDDS could increase the solubility of kaempferol and quercetin to nearly 100 % within 15 min, whereas only a 30 % improvement in solubility was achieved in the case of crude extract. These results demonstrated SMEDDS to be a promising strategy to improve the solubility of M. oleifera extract-derived drugs, which, in turn, could prove beneficial to the herbal medicine field.https://doi.org/10.2478/acph-2020-0012moringa oleiferaself-microemulsifyingcrude extractkaempferolquercetin
spellingShingle Sermkaew Namfa
Plyduang Thipapun
Self-microemulsifying drug delivery systems of Moringa oleifera extract for enhanced dissolution of kaempferol and quercetin
Acta Pharmaceutica
moringa oleifera
self-microemulsifying
crude extract
kaempferol
quercetin
title Self-microemulsifying drug delivery systems of Moringa oleifera extract for enhanced dissolution of kaempferol and quercetin
title_full Self-microemulsifying drug delivery systems of Moringa oleifera extract for enhanced dissolution of kaempferol and quercetin
title_fullStr Self-microemulsifying drug delivery systems of Moringa oleifera extract for enhanced dissolution of kaempferol and quercetin
title_full_unstemmed Self-microemulsifying drug delivery systems of Moringa oleifera extract for enhanced dissolution of kaempferol and quercetin
title_short Self-microemulsifying drug delivery systems of Moringa oleifera extract for enhanced dissolution of kaempferol and quercetin
title_sort self microemulsifying drug delivery systems of moringa oleifera extract for enhanced dissolution of kaempferol and quercetin
topic moringa oleifera
self-microemulsifying
crude extract
kaempferol
quercetin
url https://doi.org/10.2478/acph-2020-0012
work_keys_str_mv AT sermkaewnamfa selfmicroemulsifyingdrugdeliverysystemsofmoringaoleiferaextractforenhanceddissolutionofkaempferolandquercetin
AT plyduangthipapun selfmicroemulsifyingdrugdeliverysystemsofmoringaoleiferaextractforenhanceddissolutionofkaempferolandquercetin