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Title: | K a j i a n F i s i o l o g i s B i j i K o p i R o b u s t a D a n A r a b i k a S e l a m a P r o s e s P r a P e r k e c a m b a h a n |
Authors: | N i k a H a d i y a R a h m a w a t i |
Keywords: | k a f e i n , k o p i , p o l i f e n o l , p r a p e r k e c a m b a h a n , |
Issue Date: | 23-Jan-2014 |
Series/Report no.: | 0 8 1 5 1 0 5 0 1 1 8 2; |
Abstract: | R I N G K A S A N K o p i m e r u p a k a n s a l a h s a t u m i n u m a n y a n g p a l i n g d i s u k a i o l e h s e m u a o r a n g d i d u n i a . M i n u m k o p i b i s a m e n y e g a r k a n t u b u h , k a r e n a m e n g a n d u n g s e k i t a r 1 1 0 1 5 0 m g k a f e i n p e r c a n g k i r . K a f e i n a d a l a h s e n y a w a a l a m i d a l a m b i j i k o p i , y a n g d a p a t m e r a n g s a n g s i s t e m s a r a f p u s a t , r e l a k s a s i o t o t p o l o s , d a n m e r a n g s a n g d i u r e s i s . N a m u n , k a f e i n t i d a k b a i k u n t u k k e s e h a t a n k h u s u s n y a b a g i p e m i n u m k o p i y a n g s e n s i t i f t e r h a d a p b a h a n i n i . O l e h k a r e n a i t u , u n t u k m e n i n g k a t k a n k e g u n a a n d a r i k o p i s e b a g a i m i n u m a n y a n g m e n y e g a r k a n d a n m e m i l i k i e f e k y a n g b a i k p a d a k e s e h a t a n , p e n t i n g u n t u k m e l a k u k a n p e n e l i t i a n t e n t a n g p r a p e r k e c a m b a h a n b i j i k o p i . P e n e l i t i a n i n i b e r t u j u a n u n t u k m e n e n t u k a n e f e k m e t o d e p r a p e r k e c a m b a h a n u n t u k m e n g u b a h k a n d u n g a n d a r i k a r b o h i d r a t , p r o t e i n , l e m a k , p o l i f e n o l d a n a n t i o k s i d a n b i j i k o p i r o b u s t a d a n a r a b i k a . P e r c o b a a n d i l a k u k a n d i L a b o r a t o r i u m G e n e t i k a d a n P e m u l i a a n T a n a m a n D e p a r t e m e n A g r o n o m i , F a k u l t a s P e r t a n i a n , U n i v e r s i t a s J e m b e r , d i l a k s a n a k a n m u l a i t a n g g a l 1 J u n i 2 0 1 2 s a m p a i 2 8 D e s e m b e r 2 0 1 2 . B i j i k o p i A r a b i k a d a n R o b u s t a d i p e r o l e h d a r i D u s u n M a g e r s a r i , D e s a B a d e a n , J e m b e r J a w a T i m u r . P e n e l i t i a n d i l a k u k a n p a d a 2 j e n i s k o p i ( A r a b i k a d a n R o b u s t a ) s e l a m a 1 s a m p a i 7 h a r i d e n g a n d i u l a n g 3 k a l i . P a r a m e t e r y a n g d i a m a t i a n t a r a l a i n : k a n d u n g a n k a r b o h i d r a t , p r o t e i n , l e m a k , p o l i f e n o l d a n a n t i o k s i d a n d a l a m b i j i k o p i r o b u s t a d a n a r a b i k a . H a s i l p e n e l i t i a n m e n u n j u k k a n b a h w a m e t o d e p r a p e r k e c a m b a h a n m e m b e r i k a n p e n g a r u h t i d a k n y a t a t e r h a d a p k a n d u n g a n k a r b o h i d r a t b i j i k o p i r o b u s t a d a n a r a b i k a . K a n d u n g a n k a r b o h i d r a t t e r t i n g g i k o p i r o b u s t a d a n a r a b i k a t e r d a p a t p a d a p e r l a k u a n 1 h a r i y a i t u s e b e s a r 2 , 5 % u n t u k k o p i r o b u s t a d a n 2 , 3 % u n t u k k o p i a r a b i k a . U m u m n y a , m e t o d e p r a p e r k e c a m b a h a n b i j i k o p i m e n y e b a b k a n p e n u r u n a n k a n d u n g a n p r o t e i n d a l a m b i j i k o p i r o b u s t a d a n a r a b i k a . K a n d u n g a n t o t a l p o l i f e n o l m e n i n g k a t s e l a m a p r o s e s p r a p e r k e c a m b a h a n p a d a k o p i r o b u s t a d a n a r a b i k a y a i t u m a s i n g m a s i n g s e b e s a r 0 , 3 % d a n 1 , 4 8 % , d e n g a n k a n d u n g a n p o l i f e n o l t e r t i n g g i p a d a p e r l a k u a n 2 h a r i ( 0 , 1 4 u n t u k k o p i r o b u s t a s e d a n g k a n p a d a k o p i a r a b i k a p a d a p e r l a k u a n 4 h a r i s e b e s a r ( 0 , 1 8 % ) . |
URI: | http://repository.unej.ac.id/handle/123456789/22222 |
Appears in Collections: | UT-Faculty of Agricultural Technology |
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