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0.5  g  each  of  the legume  samples  powder  were  extracted  under  mechanical  agitation  with  20 ml  0.5  M HCl  for  2  h  at  room  temperature  (Graf  & Dintzis,  1982).  The  extract  was  centrifuged  (700  g,  10 min)  and  the  supematant  decanted,  frozen  overnight, centrifuged  and  filtered  through  MF-Millipore  (0.22 pm).  The  inositol  phosphates  were  separated  from  the filtrate  and  concentrated  by  the  ion-exchange  procedure  of  Sandberg  and  Ahderinne  (1986)  with  some modifications.  The  filtrate  was  evaporated  to  dryness under  vacuum  (35¡æ,  dissolved  in  15 ml,  25 mM HCI, and  passed  through  a   strong  anion-exchange (SAX)  column  that  was  connected  to  a  vacuum  manifold  (Visiprep; Supelco,  Bellefonte,  PA,  USA). The  loaded  SAX  column  was  washed  successively  with  10  and  5 ml  of  25 mM  HCI.  The  resin-bound  inositol  polyphosphates (IP3,  IP4,  IP5  and  IP6)  were  then  eluted  with  ten  1 ml portions  of  2  M HCl.  The  eluent  was  evaporated  to dryness  and  diluted  with  0.5 ml  of  mobile  phase.
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È¡0.5gÉÏÊö·ÛÄ©ÓÃ20mlµÄ0.5MµÄÑÎËáÊÒÎÂÏ»úе½Á°è½þÌá2h (Graf  & Dintzis,  1982)£¬ÀëÐÄ700g¡Á10minºóÈ¡ÉÏÇ壬Àä¶³¹ýÒ¹£¬²¢¹ý0.22¦ÌÂËĤ(MF-Millipore)£¬¼¡´¼Á×ËáÑÎͨ¹ýÂËĤ¹ýÂËÖÁÂËÒºÖУ¬²¢¾­¹ýSandberg  and  Ahderinne  (1986)¸Ä½øµÄÀë×Ó½»»»¹ý³Ì½øÐÐŨËõ¡£ÂËÒºÔÚ³éÕæ¿Õºó35ÉãÊ϶ȸÉÔï(Õæ¿Õ¸ÉÔïÆ÷ 35¡æ)È»ºóÓÃ15mlŨ¶ÈΪ25mMÑÎËὫÆäÈܽ⣬ÉÏÇ¿ÒõÀë×Ó½»»»Öù(¼¾ï§¼üºÏ)£¬¸ÃÇ¿ÒõÀë×Ó½»»»ÖùÓëÕæ¿ÕÆç¹Ü×°ÖÃÉÏÏàÁ¬£¬ÒÀ´ÎÓÃ10m 25mMÑÎËá ºÍ5m l25mMÑÎËáÏ´ÍÑ£¬ÓëÊ÷Ö¬½áºÏµÄ¼¡´¼Á×Ëá(IP3£¬IP4£¬IP5ºÍIP6)±»ten ¸ö1ml ²¿·Ö2MµÄÑÎËáÏ´ÍÑ
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4¡¢ºóÃæËµÓÃ25mMÑÎËáÁ¬ÐøÏ´ÍÑ£¬ÎÒÏëÎÊÏÂΪʲôд³ÉThe  loaded  SAX  column  was  washed  successively  with 10  and  5 ml  of  25 mM  HCI£¬ÊÇÏÈÄÃ10mlÏ´ÔÙÄÃ5mlÏ´Âð£¿ÎªÊ²Ã´ÒªÕâô×ö£¬Ï´µÄʱºòÊÇ10mlÈ«²¿¼Ó½øÈ¥Ö®ºóÔÙ½«5mlÈ«²¿¼Ó½øÈ¥Âð£¿
5¡¢»¹ÓÐ×î×î×î²»Àí½âµÄºóÃæµÄÒ»¾ä£¬The  resin-bound  inositol  polyphosphates (IP3,  IP4,  IP5  and  IP6)  were  then  eluted  with  ten  1 ml portions  of  2  M HCl£¬ËµÊÇÓëÊ÷Ö¬½áºÏµÄ¼¡´¼¶àÁ×Ëá±» ten  1 ml portions  of 2MÑÎËáÏ´ÍÑ£¬Õâ¸öÊǵÚ10¸ö1mlÂð£¿ÊÇʲôÒâ˼£¿ÊǼÓ10´ÎÂð£¿Ã¿´Î¼Ó1ml£¬È»ºóÊÕ¼¯¼ÓµÚ10¸ö1mlʱºòµÄÏ´ÍÑÒº£¿ÄÇÊÇÊÕ¼¯1mlÂð£¿ÕæÐIJ»¶®£¬Ï£Íû´óÅ£Äܰï°ïæ~~лл£¡£¡£¡
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