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¿µÁøÄÚÆÛ·¹ÀÌ¼Ç Á¾ÇÕÄ«´Ù·Î±×
- Reference: ISO 6865:2000 Animal feeding stuffs - Determination of crude fibre content
- AOAC 978.10 Fiber (Crude) in Animal Feed and Pet Food
- REG CE 152/2009
- Tested with VELP Scientifica FIWE Advance Fiber AutoExtractor (Code F30500500) and COEX Cold Extractor (Code F30520204)

| ¿øº»º¸±â | Application Note ¸®½ºÆ® |




Introduction

¼¶À¯ÁúÀº ½Ä¹°ÀÇ ¼¼Æ÷º®¿¡¼­ ¹ß°ßµÇ¸ç, ½Ä¹°ÀÌ ÇüÅÂ¿Í ±¸Á¶¸¦ À¯ÁöÇÒ ¼ö ÀÖµµ·Ï µ½´Â ÀÏÁ¾ÀÇ °ñ°Ý°ú °°Àº ¿ªÇÒÀ» ÇÕ´Ï´Ù. ½Ä¹° ¼¶À¯´Â ÁÖ·Î ¼¼Æ÷º®À¸·Î ±¸¼ºµÇ¸ç, ÀÌ´Â ¼¿·ê·Î½º(cellulose), Çì¹Ì¼¿·ê·Î½º(hemicellulose), ¸®±×´Ñ(lignin), Æåƾ(pectin) µîÀÇ ¹°Áú·Î ÀÌ·ç¾îÁ® ÀÖ½À´Ï´Ù.

¼¶À¯ÁúÀº ¿µ¾çÇÐÀûÀ¸·Î Áß¿äÇѵ¥, ÀÌ´Â »ç·á ¹× ½Äǰ¿¡¼­ °¡Àå ¼ÒÈ­Çϱ⠾î·Á¿î À¯±â ¼ººÐÀ» ³ªÅ¸³»±â ¶§¹®ÀÔ´Ï´Ù. Á¶»ç·áÀÇ Ç°ÁúÀº Çʼö ¿µ¾ç¼ÒÀÇ ÇÔ·® ¹× ÀÌ¿ë °¡´É¼º°ú Á÷Á¢ÀûÀÎ ¿¬°üÀÌ ÀÖÀ¸¸ç, ÀϹÝÀûÀ¸·Î Á¶¼¶À¯(crude fiber) ÇÔ·®°ú »ç·áÀÇ ¿µ¾ç°¡ »çÀÌ¿¡´Â ¹ÐÁ¢ÇÑ °ü°è°¡ ÀÖ½À´Ï´Ù. Áï, Á¶¼¶À¯ ÇÔ·®ÀÌ ³ôÀ»¼ö·Ï ¿µ¾ç°¡°¡ ³·¾ÆÁö´Â °æÇâÀÌ ÀÖ½À´Ï´Ù. µû¶ó¼­ ¼¶À¯¼Ò´Â »ç·á ºÐ¼®¿¡¼­ Áß¿äÇÑ ÃøÁ¤ ¿ä¼ÒÀÔ´Ï´Ù.

VELP »çÀÇ FIWE Advance ¼¶À¯ ÀÚµ¿ ÃßÃâ±âÀÇ ¼º´ÉÀ» Æò°¡Çϱâ À§ÇØ BIPEA ¿¡¼­ ÁÖ°üÇÏ´Â ¼º´É Å×½ºÆ® ÇÁ·Î±×·¥¿¡ Âü¿©ÇÏ¿´½À´Ï´Ù. »ùÇÃÀº FIWE Advance ¼¶À¯ ºÐ¼®±â¸¦ »ç¿ëÇÏ¿© ºÐ¼®µÇ¾úÀ¸¸ç, ¾ò¾îÁø °á°ú°¡ BIPEA Çã¿ë ¹üÀ§³»¿¡ ÀÖ´ÂÁö È®ÀÎÇÏ¿´½À´Ï´Ù.


Determination of Crude Fiber content in different feed samples

The CF determination can be summed up in 5 steps:



¨ç Acid Digestion (boiling & Filtering) °úÁ¤¿¡¼­´Â »ç·á »ùÇÃÀ» 1.25% Ȳ»ê¿¡¼­ ²ú¿© ´ç°ú ÀüºÐÀ» ÃßÃâÇÕ´Ï´Ù.

¨è Washing °úÁ¤¿¡¼­´Â Å©·ç½Ãºí (crucible) ³» ÀÜ¿©¹°À» ¹°·Î ¼¼Ã´ÇÏ¿© »ê ÀÜ¿©¹°À» Á¦°ÅÇϰí pH ¸¦ ÁßÈ­ÇÕ´Ï´Ù.

¨é µÎ ¹øÂ° ºÐÇØ ´Ü°è´Â ¾ËÄ®¸® ºÐÇØ (alkaline digestion) ·Î, 1.25% ¼ö»êÈ­³ªÆ®·ý (NaOH) ¶Ç´Â ¼ö»êÈ­Ä®·ý (KOH) À» »ç¿ëÇÏ¿© ´Ü¹éÁú, ÀϺΠÇì¹Ì¼¿·ê·Î½º ¹× ¸®±×´ÑÀ» Á¦°ÅÇÕ´Ï´Ù.

¨ê ±× ÈÄ, Washing °úÁ¤À» ´Ù½Ã ÁøÇàÇÏ¿© crucible ³» ¾ËÄ®¸® ÀÜ¿©¹°À» ¹°·Î Á¦°ÅÇϰí pH ¸¦ ÁßÈ­ÇÕ´Ï´Ù.

¨ë ¸¶Áö¸· ´Ü°è´Â Å»Áö(defatting) °úÁ¤À¸·Î, »ùÇÃÀ» ¾Æ¼¼ÅæÀ¸·Î ¼¼Ã´ÇÏ¿© ¸¶Áö¸· ºÒ¼ø¹°À» Á¦°ÅÇÕ´Ï´Ù.


BIPEA Samples

Sample ID CF assigned value Tolerance range
Common wheat 12-1113-0188 2.6 % 1.8 - 3.4 %
Feed for piglet 12-1513-0207 3.2 % 2.4 - 4.0 %
Production corn 15-0513-0073 2.0 % 1.2 - 2.8 %


Chemicals and Equipment required

Analytical balance, 4 decimals
Glass Crucibles P2, 6pcs (A00000140)
Sulfuric acid (H2SO4) 1.25% - 0.255 ¡¾ 0.005 N. 12.5 g, 98% concentrated to 1000 ml with distilled water.
Potassium hydroxide (KOH) 1.25% - 0.223 ¡¾ 0.005 N, free from carbonate. 12.5 g to 1000 ml with distilled water.
n-octanol as antifoaming agent
Acetone, technical grade


Crucibles Preparation

¿É¼ÇÀ¸·Î Á¦°øµÇ´Â VELP ¹ÙÄÚµå ¸®´õ±â (USB ¼ÒÄÏ ¹ÙÄÚµå ½ºÄ³³Ê ÄÚµå: A00000364 ¶Ç´Â ¹«¼± ¹ÙÄÚµå ½ºÄ³³Ê ÄÚµå: A00000365) ¸¦ FIWE Advance¿¡ ¿¬°áÇÕ´Ï´Ù.

Analysis/Details ¸¦ ¼±ÅÃÇÑ ÈÄ, Å©·ç½Ãºí (crucible) ÀÇ ¹ÙÄڵ带 ½ºÄµÇϰí, °¢ Å©·ç½Ãºí¿¡ »ùÇà 1g (Msample) À» Àú¿ï·Î ÃøÁ¤ÇÏ¿© ´ã½À´Ï´Ù. ±×·± ´ÙÀ½ Msample °ªÀ» Àú¿ï¿¡¼­ FIWE Advance·Î Àü¼ÛÇÕ´Ï´Ù.

ÀÌ ÀÛ¾÷Àº ³ª¸ÓÁö À§Ä¡¿¡ ´ëÇØ ¼øÂ÷ÀûÀ¸·Î ¹Ýº¹µË´Ï´Ù.


Digestion and filtration with FIWE Advance

Analysis ¸¦ ¼±ÅÃÇÑ ÈÄ, ´ÙÀ½ parameter ¸¦ Æ÷ÇÔÇÏ´Â CF - Á¶¼¶À¯ (Weende ¹æ¹ý) À» ¼±ÅÃÇÕ´Ï´Ù.

Crucibles porosity P2 Digestion time: 30 minutes
Preheat : Yes Washing: 3 x 50 ml of distilled water
Enzyme : No KOH : 150 ml
H2SO4 : 150 ml Digestion time : 30 minutes
N-octanol : Yes Washing : 3 x 50 ml of distilled water


·¹¹ö¸¦ ³»¸®°í °¡¿­ º¸È£¸·(heating shield) À» À§Ä¡½ÃŲ ÈÄ, START ¹öưÀ» ´­·¯ ÇÁ·Î¼¼½º¸¦ ½ÃÀÛÇÕ´Ï´Ù.

ºÐ¼®ÀÌ ¿Ï·áµÇ¸é Å©·ç½Ãºí(crucibles) À» ÀåÄ¡¿¡¼­ Á¦°ÅÇÏ¿© COEX À¯´Ö¿¡ ³Ö°í defatting (¾Æ¼¼Åæ 25mL·Î 3ȸ ó¸®) ¸¦ ¼öÇàÇÑ ÈÄ, 130¡ÆC ¡¾ 2¡ÆC ¿¡¼­ °ÇÁ¶ÇÕ´Ï´Ù.

ÀÌÈÄ, Å©·ç½ÃºíÀ» µ¥½ÃÄÉÀÌÅÍ (desiccator) ¿¡¼­ ½ÄÈü´Ï´Ù.

°á°ú (Result) ¸Þ´º¿¡¼­ ºÐ¼®ÇÑ Å©·ç½Ãºí ¹èÄ¡ ID ¸¦ ¼±ÅÃÇÏ°í °è»ê(Calculate) À» ´©¸¥ ÈÄ, ¹ÙÄÚµå ¸®´õ±â·Î Å©·ç½ÃºíÀ» ½ºÄµÇϰí 0.0001g ´ÜÀ§±îÁö Á¤¹ÐÇÏ°Ô ¹«°Ô (Mdry) ¸¦ ÃøÁ¤ÇÕ´Ï´Ù.

±× ÈÄ, ÀÜ¿©¹°ÀÌ Æ÷ÇÔµÈ Å©·ç½ÃºíÀ» ¸ÓÇ÷Î(muffle) ¿¡¼­ 525¡ÆC ¡¾ 15¡ÆC ·Î ÃÖ¼Ò 3½Ã°£ µ¿¾È ¶Ç´Â ź¼Ò°¡ ¿ÏÀüÈ÷ Á¦°ÅµÉ ¶§±îÁö Á¡È­ (ignition) ÇÕ´Ï´Ù.

½ÄÈù ÈÄ µ¥½ÃÄÉÀÌÅÍ¿¡¼­ º¸°üÇÕ´Ï´Ù.

´Ù½Ã °á°ú (Result) ¸Þ´º¿¡¼­ ºÐ¼®ÇÑ Å©·ç½Ãºí ¹èÄ¡ ID ¸¦ ¼±ÅÃÇÏ°í °è»ê (Calculate) À» ´©¸¥ ÈÄ, ¹ÙÄÚµå ¸®´õ±â·Î Å©·ç½ÃºíÀ» ½ºÄµÇϰí 0.0001g ´ÜÀ§±îÁö Á¤¹ÐÇÏ°Ô ¹«°Ô (Mash) ¸¦ ÃøÁ¤ÇÕ´Ï´Ù.


Results on feed samples




Conclusion

¾ò¾îÁø °á°ú´Â ½Å·ÚÇÒ ¼ö ÀÖÀ¸¸ç ¿¹»ó °ª°ú ÀÏÄ¡Çϸç, »ó´ë Ç¥ÁØ ÆíÂ÷(RSD ¡Â 1%) °¡ 0.9 ·Î ¸Å¿ì ³·¾Æ °á°ú°ªÀÇ ÀçÇö¼ºÀÌ ¸Å¿ì ³ô¾Æ Àå¹ÙÀÇ ½Å·Ú¼ºÀÌ ¸Å¿ì ¿ì»çÇÏ´Ù´Â °ÍÀ» ¾Ë ¼ö ÀÖ½À´Ï´Ù.

ÀÌ ¹æ¹ýÀ» À§ÇØ Æ¯º°È÷ ¼³°èµÈ FIWE Advance ÀåÄ¡¿Í °°Àº ÃßÃâ ÀåÄ¡¸¦ »ç¿ëÇÏ¸é ºÐ¼® Á¶°ÇÀ» Ç¥ÁØÈ­ÇÏ´Â °ÍÀÌ ¸Å¿ì ¿ëÀÌÇÕ´Ï´Ù.

FIWE ½Ã¸®Áî´Â Á¶¼¶À¯(CF) ºÐ¼® ¹× ¼¶À¯ ºÐȹ(fiber fractions) ºÐ¼®¿¡ ÀûÇÕÇÕ´Ï´Ù.


Benefits of FIWE

¨ç FIWE 3 ºÐ¼®±â´Â µ¿½Ã¿¡ 3°³ »ùÇà FIWE 6 ºÐ¼®±â´Â µ¿½Ã¿¡ 6°³ »ùÇÃÀ» ºÐ¼®ÀÌ °¡´ÉÇÏ´Ù

¨è ¼öµ¿ ºÐ¼®¿¡ ºñÇØ ¾à 3¹èÀÇ ½Ã°£À» Àý¾àÇÒ ¼ö ÀÖ´Ù

¨é Filtration, pump, air pressure ÀÏüÇüÀ¸·Î »ç¿ëÀÌ Æí¸®ÇÏ´Ù

¨ê RSD ¡¾1% ÀÌÇÏÀÇ Á¤¹Ðµµ·Î ³ôÀº ÀçÇö¼ºÀ» º¸¿©ÁØ´Ù

¨ë Á¤¹Ðµµ: °á°úÀÇ ³ôÀº ÀçÇö¼º: »ó´ë ¡¾1% ÀÌ»ó







 
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