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Introduction
¹ú²ÜÀº ´ëÇ¥ÀûÀÎ ÀÚ¿¬½ÄÇ°À¸·Î Á¾·ùµµ ´Ù¾çÇÏ°í, ±× Ç°Áú¿¡µµ ¸¹Àº Â÷ÀÌ°¡ ÀÖ´Ù. ¹ú²ÜÀÇ Ç°ÁúÀ» Æò°¡ÇÏ´Â ¹æ¹ýÀ¸·Î´Â
¼öºÐ ÇÔ·®, ´ç ÇÔ·®, ºÒ¿ë¼º ¹°Áú ÇÔ·®, ÃÑ »ê¼ºµµ, Diastase È°¼ºµµ, HMF ÇÔ·® µîÀÌ Àִµ¥,
À̹ø ½ÇÇè¿¡¼´Â HMF ÇÔ·®À» ÃøÁ¤ÇÏ¿© ¹ú²ÜÀÇ Ç°ÁúÀ» Æò°¡ÇÏ¿´´Ù. PDA (Photodiode Array)
UV-Vis Spectrophotometer¸¦ »ç¿ëÇÏ¿© ºü¸£°í Á¤È®ÇÏ°Ô ÃøÁ¤ÇÏ°í,
PlusÀÇ Equation Calculation Mode¸¦ »ç¿ëÇÏ¿© ÃøÁ¤°ú µ¿½Ã¿¡ HMF ÇÔ·®À» °è»êÇÏ¿´´Ù.
Principle
Hydroxymethylfurfural (HMF)Àº »ê¼º»óÅ¿¡¼ FructoseÀÇ ºÐÇØ¿¡ ÀÇÇØ Çü¼ºµÇ´Â ¹°Áú·Î,
¹ú²Ü ³»¿¡¼ ÀÚ¿¬ÀûÀ¸·Îµµ »ý¼ºµÇÁö¸¸ ¿¿¡ ÀÇÇØ ±× ¼Óµµ°¡ ºü¸£°Ô Áõ°¡ÇϹǷΠ¿°ú ÀúÀå ½Ã°£ÀÇ ÁöÇ¥·Î »ç¿ëµÈ´Ù.
±×¸®ÇÏ¿© HMF ÇÔ·®Àº ¹ú²ÜÀÇ Ç°ÁúÀ» °áÁ¤ÇÏ´Â ÇϳªÀÇ ¿ä¼ÒÀÌ°í, ±× ¾çÀÌ ÀûÀ»¼ö·Ï ³ôÀº Ç°Áú·Î Æò°¡µÈ´Ù. ºñ·Ï
HMF°¡ ÀÎü¿¡ ÇØ·Î¿î ¹°ÁúÀº ¾Æ´ÏÁö¸¸, ¹ú²Ü ³» ÃÖ´ë ÇÔ·®µµ ±ÔÁ¤ÇÏ°í ÀÖ´Ù. (½ÄÇ°°øÀü : 80mg/kg)
HMFÀÇ 284nm ¹ß»ö´ÜÀº Bisulfite¿¡ ÀÇÇØ ºÐÇصDZ⠶§¹®¿¡, µ¿ÀÏÇÑ ¹ú²Ü¿¡ Bisulfite¸¦ °¡ÇÑ
¿ë¾×À» ¹ÙÅÁÀ¸·Î 284nm, 336nm¿¡¼ Èí±¤µµ¸¦ ÃøÁ¤ÇÏ°í ´ÙÀ½ °è»ê½Ä¿¡ ÀÇÇØ HMF ÇÔ·®À» °è»êÇÑ´Ù.
W = ¹ú²ÜÀÇ Ã¤Ãë·® (g)
A284, A336 = °¢ ÆÄÀå¿¡¼ÀÇ Èí±¤µµ
126 = HMFÀÇ ºÐÀÚ·®
16830 = 284nm¿¡¼ HMFÀÇ ¸ô Èí±¤°è¼ö
Reagents & Apparatus
1. Carrez Solution I
- Potassium Ferrocvanide (K4Fe(CN)6
¡¤3H2O) 15gÀ» D.I Water¿¡ ³ì¿© 100ml·Î
ÇÑ´Ù.
2. Carrez Solution II
- Zinc Acetate (Zn(CH3CO2)¡¤2H2O)30gÀ»
D.I Water¿¡ ³ì¿© 100ml·Î ÇÑ´Ù.
3. Sodium Bisulfite (NaHSO3) Solution
- D.I Water¿¡ ³ì¿© 0.20%·Î ¸¸µç´Ù.¡¤
4. ¹ú²Ü1, ¹ú²Ü2
5. D.I Water
6. S-3150 (PDA UV-Vis Spectrophotometer)
7.
Plus S/W
8. Å¥ºª (10mm ±¤°æ·Î) |
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