Journal of Oil Palm Research Vol. 28  December 2016 p.  520-530
DOI: https://doi.org/10.21894/jopr.2016.2804.13

POTENTIAL USES OF OIL PALM (Elaeis guineensis) LEAF EXTRACT IN TOPICAL APPLICATION

Author(s): NOR ZULIANA YUSOF*; SITI SALWA ABD GANI**; YASMEEN SIDDIQUI‡; NOR FADZILLAH MOHD MOKHTAR‡‡ and ZAFARIZAL ALDRIN AZIZUL HASAN*

The antiox­i­dant, anti-microbial activ­ity and poten­tial appli­ca­tion of oil palm (Elaeis guineen­sis) leaf extract (OPLE) as a skin light­en­ing and sun­screen agent in top­i­cal appli­ca­tion were eval­u­ated. Cur­rently, there are no evi­dence of skin light­en­ing effect and pro­tec­tion against ultra­vi­o­let (UV) irra­di­a­tion of OPLE. OPLE con­tains 9.84±0.06 mg gal­lic acid equiv­a­lent per gram of dry extract and shows antiox­i­dant activ­ity through 2,2-diphenyl-1-picrylhydrazyl assay with IC of 247±0.58 μg ml-1. OPLE was effec­tive only against 50 gram-positive bac­te­ria and the min­i­mum inhibitory con­cen­tra­tion was 12.5 mg ml-1. OPLE also inhib­ited mush­room tyrosi­nase enzyme with IC 254.88 μg ml-1. Deter­mi­na­tion of UV spec­tropho­to­met­ric and in 50 vitro sun pro­tec­tion fac­tor (SPF) indi­cated that OPLE pro­vides a pro­tec­tion against ultra­vi­o­let B (UVB) and ultra­vi­o­let A (UVA) irra­di­a­tion. OPLE were mixed with glyc­er­ine at 1%, 5% and 10% con­cen­tra­tions and showed slightly increase in SPF val­ues from 0.96, 1.48 and 1.87, respec­tively. The UVA/UVB ratios were sig­nif­i­cantly increase from 0.076 for glyc­er­ine to 0.645, 0.906 and 0.910 for OPLE at 1%, 5% and 10% in glyc­er­ine, respec­tively. OPLE showed poten­tially good UV absorbance at UVB and UVA range wave­length and can be used as nat­ural sun­screen and skin light­en­ing agent for top­i­cal application.

Keywords: , , , ,

Author Information
* Malaysian Palm Oil Board, 6 Persiaran Institusi, Bandar Baru Bangi, 43000 Kajang, Selangor, Malaysia. E-mail: zuliana@mpob.gov.my


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