BIOACTIVE COMPOUNDS IN BENGKOANG (Pachyrhizus erosus) AS ANTIOXIDANT AND TYROSINASE INHIBITING AGENTS

In Indonesia, the roots of bengkoang (Phacyrhizus erosus) have been used as the excipient for sun screening and skin whitening paste. Since the active compounds exhibiting skin whitening or sun screening effect have not previously been studied, the aim of this study was to identify compounds wit...

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Main Authors: Endang Lukitaningsih, Ulrike Holzgrabe
Format: Article
Language:English
Published: Universitas Gadjah Mada 2014-04-01
Series:Indonesian Journal of Pharmacy
Subjects:
Online Access:http://indonesianjpharm.farmasi.ugm.ac.id/index.php/3/article/view/11
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author Endang Lukitaningsih
Ulrike Holzgrabe
author_facet Endang Lukitaningsih
Ulrike Holzgrabe
author_sort Endang Lukitaningsih
collection DOAJ
description In Indonesia, the roots of bengkoang (Phacyrhizus erosus) have been used as the excipient for sun screening and skin whitening paste. Since the active compounds exhibiting skin whitening or sun screening effect have not previously been studied, the aim of this study was to identify compounds with antioxidant and tyrosinase inhibitor activities. Soxhlet extraction was used as the method of isolation with petroleum ether as the solvent and it was followed by fractionation using ethyl acetate to obtain three isoflavonoids (i.e. daidzein (2); daidzein-7-O-ßglucopyranose (3); 5-hydroxy-daidzein-7-O-ß-glucopyranose (4)), and a new pterocarpan (i. e. 8,9-furanyl-pterocarpan-3-ol (1)) which antioxidant activities (SC50% values) of 2.11; 11.86; 0.69 and 7.86 respectively. All compounds showed tyrosinase inhibiting activities with IC50 values of 4.38; 5.35; 7.49 and 22.20 mM, respectively for compound 4, 2, 1 and 3. These compounds can be used as antioxidant and skin whitening materials.
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spelling doaj.art-98e99c22e78241478af56d49e537816d2022-12-22T03:40:58ZengUniversitas Gadjah MadaIndonesian Journal of Pharmacy2338-94272338-94862014-04-01252687510.14499/indonesianjpharm25iss2pp75BIOACTIVE COMPOUNDS IN BENGKOANG (Pachyrhizus erosus) AS ANTIOXIDANT AND TYROSINASE INHIBITING AGENTSEndang Lukitaningsih0Ulrike Holzgrabe1Dept. of Pharmaceutical Chemistry, Faculty of Pharmacy, Gadjah Mada University, Sekip Utara, Bulaksumur, Yogyakarta 55281, Indonesia Dept of Pharmacy and Food Chemistry, Würzburg University, Am Hubland, 97074, Würzburg, GermanyIn Indonesia, the roots of bengkoang (Phacyrhizus erosus) have been used as the excipient for sun screening and skin whitening paste. Since the active compounds exhibiting skin whitening or sun screening effect have not previously been studied, the aim of this study was to identify compounds with antioxidant and tyrosinase inhibitor activities. Soxhlet extraction was used as the method of isolation with petroleum ether as the solvent and it was followed by fractionation using ethyl acetate to obtain three isoflavonoids (i.e. daidzein (2); daidzein-7-O-ßglucopyranose (3); 5-hydroxy-daidzein-7-O-ß-glucopyranose (4)), and a new pterocarpan (i. e. 8,9-furanyl-pterocarpan-3-ol (1)) which antioxidant activities (SC50% values) of 2.11; 11.86; 0.69 and 7.86 respectively. All compounds showed tyrosinase inhibiting activities with IC50 values of 4.38; 5.35; 7.49 and 22.20 mM, respectively for compound 4, 2, 1 and 3. These compounds can be used as antioxidant and skin whitening materials.http://indonesianjpharm.farmasi.ugm.ac.id/index.php/3/article/view/11Pachyrhizus erosusantioxidanttyrosinase inhibitorflavonoids
spellingShingle Endang Lukitaningsih
Ulrike Holzgrabe
BIOACTIVE COMPOUNDS IN BENGKOANG (Pachyrhizus erosus) AS ANTIOXIDANT AND TYROSINASE INHIBITING AGENTS
Indonesian Journal of Pharmacy
Pachyrhizus erosus
antioxidant
tyrosinase inhibitor
flavonoids
title BIOACTIVE COMPOUNDS IN BENGKOANG (Pachyrhizus erosus) AS ANTIOXIDANT AND TYROSINASE INHIBITING AGENTS
title_full BIOACTIVE COMPOUNDS IN BENGKOANG (Pachyrhizus erosus) AS ANTIOXIDANT AND TYROSINASE INHIBITING AGENTS
title_fullStr BIOACTIVE COMPOUNDS IN BENGKOANG (Pachyrhizus erosus) AS ANTIOXIDANT AND TYROSINASE INHIBITING AGENTS
title_full_unstemmed BIOACTIVE COMPOUNDS IN BENGKOANG (Pachyrhizus erosus) AS ANTIOXIDANT AND TYROSINASE INHIBITING AGENTS
title_short BIOACTIVE COMPOUNDS IN BENGKOANG (Pachyrhizus erosus) AS ANTIOXIDANT AND TYROSINASE INHIBITING AGENTS
title_sort bioactive compounds in bengkoang pachyrhizus erosus as antioxidant and tyrosinase inhibiting agents
topic Pachyrhizus erosus
antioxidant
tyrosinase inhibitor
flavonoids
url http://indonesianjpharm.farmasi.ugm.ac.id/index.php/3/article/view/11
work_keys_str_mv AT endanglukitaningsih bioactivecompoundsinbengkoangpachyrhizuserosusasantioxidantandtyrosinaseinhibitingagents
AT ulrikeholzgrabe bioactivecompoundsinbengkoangpachyrhizuserosusasantioxidantandtyrosinaseinhibitingagents