<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Moragot Chatatikun</style></author><author><style face="normal" font="default" size="100%">Pitaksit Supjaroen</style></author><author><style face="normal" font="default" size="100%">Patcharaporn Promlat</style></author><author><style face="normal" font="default" size="100%">Chantanapa Chantarangkul</style></author><author><style face="normal" font="default" size="100%">Sutida Waranuntakul</style></author><author><style face="normal" font="default" size="100%">Jiraphat Nawarat</style></author><author><style face="normal" font="default" size="100%">Jitbanjong Tangpong</style></author><author><style face="normal" font="default" size="100%">Jitbanjong Tangpong</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Antioxidant and Tyrosinase Inhibitory Properties of an Aqueous Extract of Garcinia atroviridis Griff. ex. T. Anderson Fruit Pericarps</style></title><secondary-title><style face="normal" font="default" size="100%">Pharmacognosy Journal</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">B16F10 cells</style></keyword><keyword><style  face="normal" font="default" size="100%">Garcinia atroviridis</style></keyword><keyword><style  face="normal" font="default" size="100%">Melanin</style></keyword><keyword><style  face="normal" font="default" size="100%">Tyrosinase activity</style></keyword><keyword><style  face="normal" font="default" size="100%">α-MSH</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2020</style></year><pub-dates><date><style  face="normal" font="default" size="100%">February  2020</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">12</style></volume><pages><style face="normal" font="default" size="100%">71-78</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p class=&quot;rtejustify&quot;&gt;&lt;strong&gt;Background:&lt;/strong&gt; Ultraviolet radiation (UVR) is the major cause for hyperpigmentation, and to prevent this natural products are increasingly being explored as potential skin whitening agents. The aim of this study was to determine the total phenolic and flavonoid content, free radical scavenging activity, anti-tyrosinase activity and the inhibition of melanin content in α-melanocyte stimulating hormone-induced B16F10 melanoma cells of an aqueous extract of&lt;em&gt; Garcinia atroviridis&lt;/em&gt; Griff. ex. T. Anderson fruit pericarps. Methods: The aqueous extract was prepared by extraction with distilled water at 105oC for 60 min. Total phenolic and flavonoid content were determined using the Folin-Ciocalteau and aluminium chloride methods, respectively. Scavenging activity was assessed using 2,2-Diphennyl-1-picrylhydrazyl (DPPH) and 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS). Tyrosinase activity and melanin content were determined spectrophotometrically.&lt;strong&gt; Results: &lt;/strong&gt;The results showed that the aqueous extract of &lt;em&gt;Garcinia atroviridis&lt;/em&gt; fruit pericarps had a phenolic (26.33 ± 0.77 mg GAE/g plant extract) and flavonoid content (9.31 ± 0.40 mg QE/g plant extract). The aqueous extract of &lt;em&gt;Garcinia atroviridis&lt;/em&gt; significantly inhibited mushroom tyrosinase activity (IC&lt;sub&gt;50&lt;/sub&gt; of 40.72 ± 1.83 μg/mL) and cellular tyrosinase activity (at a concentration of 125 μg/mL) in α-melanocyte stimulating hormone-induced B16F10 melanoma cells. The &lt;em&gt;Garcinia atroviridis &lt;/em&gt;extract also suppressed melanin content at concentrations of 31.25-125 μg/mL. Correlations of mushroom tyrosinase inhibition with DPPH and ABTS scavenging activities were 0.8673 and 0.9468, respectively. &lt;strong&gt;Conclusion: &lt;/strong&gt;Our findings show that an aqueous extract of &lt;em&gt;Garcinia atroviridis&lt;/em&gt; fruit pericarps is a source of natural compounds and antioxidant capacity which can inhibit tyrosinase activity and melanin content. Thus, aqueous extracts of &lt;em&gt;Garcinia atroviridis&lt;/em&gt; may be a potential source of skin whitening agents for hyperpigmentation.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">1</style></issue><work-type><style face="normal" font="default" size="100%">Original Article</style></work-type><section><style face="normal" font="default" size="100%">71</style></section><auth-address><style face="normal" font="default" size="100%">&lt;p class=&quot;rtejustify&quot;&gt;&lt;strong&gt;Moragot Chatatikun&lt;sup&gt;1,2,3&lt;/sup&gt;, Pitaksit Supjaroen&lt;sup&gt;1&lt;/sup&gt;, Patcharaporn Promlat&lt;sup&gt;1&lt;/sup&gt;, Chantanapa Chantarangkul&lt;sup&gt;1&lt;/sup&gt;, Sutida Waranuntakul&lt;sup&gt;1&lt;/sup&gt;, Jiraphat Nawarat&lt;sup&gt;4&lt;/sup&gt;, Jitbanjong Tangpong&lt;sup&gt;1,2,3&lt;/sup&gt;, Anchalee Chiabchalard&lt;sup&gt;5,&lt;/sup&gt;* &lt;/strong&gt;&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;1&lt;/sup&gt;Department of Medical Technology, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80161, THAILAND.&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;2&lt;/sup&gt;Research Excellence Center for Innovation and Health Product, Walailak University, Nakhon Si Thammarat 80161, THAILAND.&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;3&lt;/sup&gt;Center of Excellence Research for Meliodosis (CERM), Walailak University, Nakhon Si Thammarat 80161, THAILAND.&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;4&lt;/sup&gt;Division of Physical Therapy, School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80161, THAILAND.&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;&lt;sup&gt;5&lt;/sup&gt;Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok 10330, THAILAND.&lt;/p&gt;
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