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 Individual assignment of English lecture for pharmacy student -2016 

Full Name ID Number Class

 Nur Laili Zuhriyyah I1C015029 A – 2015

BIOACTIVE COMPOUNDS IN BENGKOANG ( Pachyrhizus erosus) AS

ANTIOXIDANT AND TYROSINASE INHIBITING AGENTS

* Endang Lukitaningsih1 , Ulrike ol!gra"e2 

1 #ffliation$ %a&ah 'ada University, (us"urg Univesity

e-mail$lukitaningsih)end*yahoo+com

AbstractBengkang ! hacyrhi!us erosus" is a #lan$ $ha$ is %amiliar in In&nesia' (he #r$ins )ere ui$e%$en use& is $he r$s' +$s % bengkang has been )i&ely use& as an a&&i$i,e in s-rubs blea-han& #r$e-$in %rm sunligh$' A-$i,e subs$an-e $ha$ #lays a rle in i$s use as a herbal )hi$ening an&sun #r$e-$in has n$ been s$u&ie& %ur$her. $hen $his )rk ha& $) b/e-$i,es $he %irs$. $ e,alua$e$he a-$i,i$y % $yrsinase inhibi$rs -n$en$ % r$s bengkang an& se-n&. $ &e$ermine )he$her $hese -m#un&s ha,e an an$ii&an$ -a#a-i$y' (he shle$ e$ra-$ins % $he me$h&s isla$in

ha,e been #er%rme& using #e$rleum e$her an& -n$inue& by %ra-$ina$in )i$h e$hyl a-e$a$e $ge$$ing $hree $y#es % %la,ni&s an& a ne) #$er-ar#an' (he %la,ni&s !ie &ai&ein !2"3 &ai&ein446474glu-#yranse !8"3 54hy&ry4&ai&ein4 46474glu-#yranse !"" an& a ne) #$er-ar#an !ie:.94%uranyl4#$er-ar#an484l !1"" e#resse& a-$i,i$y as an$ii&an$s !;C 50< gra&es" ea-h % )hi-his 2113 11':=3 0'=9 an& ':=' (he )hle -m#un& e#resse& a-$i,i$y as $yrsinase inhibi$ing )i$hIC50 8:3 5853 9 an& 2220 m> %r ea-h -m#un& . 2. 1 an& 8' (hen $hese -m#un&s -an be

use& as an$ii&an$s an& ingre&ien$s %r skin )hi$ening'

Key!r"s hacyrhi!us erosus, an$ii&an$s. $yrsinase inhibi$r