2010 ,22 ( 1 ) : 212 - 220 C h i n e s e J o u r n a l o f A n i m a l N u t r i t i o n d o i : 1 0 . 3 9 6 9 /j . is s n . 1 0 0 6 - 2 6 7 x . 2 0 1 0 . 0 1 . 0 3 3 A n a l y s i s a n d E v a l u a t i o n o f C h ie f N u t r i e n t C o m p o s i t i o n i n D i f f e r e n t P a r t s o f S t i c h o p u s j a p o n i c u s S U N W e ih o n g 1 ,2L E N G K a ilia n g 2L IN H o n g 1 ＊X IN G L ih o n g 2N IN G Jin so n g 2W A N G Z h ijie 2Z H A I Y u x iu 2W A N G Z e w e n 1M IA O Ju n k u i 2L I X ia o c h u a n 2H A N X ia n q in 2L IU Q i 2 (1 . D e p a r t m e n t o f F o o d S c ie n c e a n d E n g i n e e r i n g , O c e a n U n i v e r s it y o f C h in a , Q in g d a o 266100 , C h in a ;2 .Y e llo w S e a F i s h e r y R e s e a r c h I n s ti t u t e , C h i n e s e A c a d e m y o f F is h e r y S c i e n c e s , Q i n g d a o 266071 , C h i n a ) A b s t r a c t : N u tr itiv e a n d fu n c tio n a l c o m p o s itio n in d iff e re n t p a rts (b o d y w a ll , in tes tin e a n d sp a w n )o f S t i c h o p u s ja p o n ic u s w e r e in v e stig a te d in th is p a p e r .T h e r e su lts w e r e s h o w n a s f o llo w s :S ti c h o p u s j a p o n i c u s w as o f h ig h p r o te in a n d th e c o n te n t o f p ro te in in th e in tes tin e a n d s p a w n w e re h ig h e r th a n th o s e in b o d y w a ll ;C u , F e , M n , Z n a n d o th e r m e ta l e le m e n ts w e re a b u n d a n t , w h ic h w e r e m o re lik e ly e n r ic h m e n t in th e in te s tin e ;th e c o n te n t o f δ - V E w as h ig h , e s p e c ia lly in th e in te s tin e ;th e p e rc e n ta g e c o n te n t o f a c id m u c o p o ly s a c c h a r id e in th e b o d y w a ll w a s h ig h a n d th e c o n te n t w a s 5 .03 % ;c o m p o s itio n o f a m in o a c id s w as c o m p le te , a n d fr e e a m in o a c id s (F A A )w e re r ic h .H y d ro x y p ro lin e w h ic h w a s th e b as is o f c o lla g e n p r o te in a c c o u n - te d f o r 4 .20 %in th e b o d y w a ll ;th e r e w e re 23k in d s o f f a tty a c id s w e re d e te c te d a n d it w as fo u n d th a t th e es se n tia l f a tty a c id s c o n te n t w as h ig h , e s p e c ia lly th e c o n te n t o f C 20 ∶5 n 3 (E P A )w as 16 .06 %in th e in tes tin e .I n c o n clu s io n , S t ic h o p u s j a p o n i c u s w as o f h ig h n u tritio n v a lu e a n d s o m e o f fic in a l v a lu e . K e y w o r d s : S t ic h o p u s j a p o n i c u s ;B o d y w a ll ;I n te s tin e ;S p a w n ;M ic r o e le m e n ts ;V ita m in s ;A c id m u c o p o ly s a c c h a r id e ;A m in o a c id s ;F a tty a c id s C L C n u m b e r :S 917 . 4 D o c u m e n t c o d e :A A r t ic l e I D :1006 - 267X (2010 )01 - 0212 - 09 D a t e r e c e i v e d : 2009 -07 -21 F i n a n c i a l s u p p o r t : P ro je ct su p p o rted b y th e C en te r B a sic S cien tific R e se a rch O u tlay Ite m (2008 - G Y - 08 ; 2009 - C B - 02 ) A u t h o r i n f o r m a t i o n : S U N W eih on g (1977 - ) , fe m a le , a ssis ta n t res ea rch e r , m ajo r in fish e ry n u trition a n d safe ty .E -m ail :s u n w h @y sfri . a c . cn ＊C o r r e s p o n d i n g a u t h o r :L IN H on g , p ro fes so r , E - m a il :lin h o n g @ou c . ed u . cn S e a c u c u m b e r b e lo n g in g to th e in v e rte b ra te , e c h in o d e rm a ta , h o lo th u ro d e a [1 ] .T h e re w e re 140 se a c u c u m b e r sp e cie s in C h in a a n d a b o u t 20s p e cie s w e re e a tab le [2 ] . A p o s t i c h o p u s j a p o n i c u w a s a ty p i - c a l te m p e ra te se a c u cu m b e r sp e cie s w h ich d istrib u - te d in n o rth e rn C h in a co a s t [1 ] .H a i z h o u b a y a n d B o h a i b a y w e re th e ch ie f p ro d u cin g a re a .F ro m tim e im m e m o ria l , se a c u c u m b e r w a s re g a rd e d a s trad itio n a l n o u rish in g tre a su re in C h in a . T h e re w e re m a n y stu d ie s o n c h ie f n u tritiv e a n d fu n c tio n a l co m p o sitio n in se a cu c u m b e r in C h in a a n d a b ro a d .In C h in a , th e m a in n u tritio n a l co m p o n e n ts re se a rch in se a cu c u m b e r w a s c a rrie d o u t e a rly in 1980s ' , w h ich m ain ly stu d ie d o n p ro tein , fa t , m o istu re , tra ce e le m e n ts , v itam in s a n d fa tty a cid s in b o d y w a ll o f se a cu c u m b e r [3 - 5 ] . T h e re w e re a lso m a n y re se a rc h re p o rts a b o u t a cid m u co p o ly s a cc h a rid e in re c e n t y e a rs [6 - 7 ] .In fo reig n c o u n trie s , re se a rc h e s o n se a c u cu m b e r w e re m a in - ly a b o u t fu n c tio n a l c o m p o sitio n o f a cid m u c o p o ly - s ac c h a rid e a n d se a cu c u m b e r g ly c o s id e s [8 - 10 ] .B u t th e re w e re little re p o r ts ab o u t in v e s tig a te n u tritiv e a n d fu n c tio n a l c o m p o sitio n in d iffe re n t p a rts o f S t i c h o p u s j a p o n i c u s .In th is p a p e r , n u tritiv e a n d fu n c tio n a l c o m p o sitio n in d iffe 。