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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.41, no.spc, 2008³â, pp.99-106
¿Õ°Ü ¸ÞźÀ» ÃßÃâ¹°À» ÀÌ¿ëÇÑ µ¶¼º ³²Á¶ Microcystis aeruginosaÀÇ ¼ºÀå ¾ïÁ¦
( Growth Inhibition of Toxic Cyanobacterium Microcystis aeruginosa, Using Rice Hull Methanolextracts )
¹Ú¸íȯ;Á¤ÀϹÎ;±è¹éÈ£;Ȳ¼øÁø; °Ç±¹´ëÇб³ ȯ°æ°úÇаú;°Ç±¹´ëÇб³ ÀÀ¿ë»ý¸í°úÇаú;°Ç±¹´ëÇб³ ȯ°æ°úÇаú;°Ç±¹´ëÇб³ ȯ°æ°úÇаú;
 
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º» ¿¬±¸´Â ¿Õ°ÜÀÇ ¸ÞźÀ» ÃßÃâ¹°ÀÌ À¯ÇØ ³²Á¶ Microcystis aeruginosa »ýÀå¿¡ ¹ÌÄ¡´Â ¿µÇâ ¹× ÇöÀåÀû¿ë °¡´É¼ºÀ» Á¶»çÇÏ¿´´Ù. ½ÇÇè¿¡ »ç¿ëÇÑ ¿Õ°Ü ÃßÃâ¹°Àº ¹ÌÁ¤Á¦ ÃßÃâ¹°°ú À̸¦ ´Ù½Ã ºÐȹÇÏ¿© ºÐ¸®, Á¤Á¦ÇÑ ÈÄ ¾òÀº ${eta}$-sitosterol, ${eta}$-sitosterol-${eta}$-D-glucoside, 1-tetratriacontanol, hentriacontane, orizaterpenoid, stigmas-5-en-$3{alpha}$ 26-diacetate, stearic acid, myristic acid µî 8°¡ÁöÀÇ ¼ø¼öÈ­ÇÕ¹°·Î¼­, À̵é ÃßÃâ¹°À» ³²Á¶ ¼¼Æ÷¿¡ ó¸®ÇÏ¿© »ýÀå º¯È­¸¦ Á¶»çÇÏ¿´´Ù. ¿¬±¸¿¡ »ç¿ëµÈ Á¶·ù´Â ±¹¸³È¯°æ°úÇпø¿¡¼­ ºÐ¾ç ¹ÞÀº M. aeruginosa (NIER 10010)À̰í, ¹°º­·èÀº µ¶ÀÏ BBE»ç¿¡¼­ ºÐ¾ç ¹ÞÀº Daphnia magna·Î¼­, À̵éÀº °¢°¢ CB¹èÁö¿Í °æ¼ö¸¦ ÀÌ¿ëÇÏ¿© ¹è¾ç À¯ÁöµÇ¾ú´Ù. ¿Õ°Ü ¸ÞźÀ» ÃßÃâ¹°À» 1, 10, 100, $1,000{mu}g;L^{-1}$ÀÇ ³óµµ·Î ó¸®ÇÏ¿© Á¶·ù ¹è¾çÁ¶°Ç°ú µ¿ÀÏÇÑ Á¶°Ç¿¡¼­ ÀÏÁ¤½Ã°£ ¹è¾çÇÏ¿´´Ù. ½ÇÇè°á°ú, ¿Õ°Ü ¸ÞźÀ» ÃßÃâ¹°Àº ¸ðµç 󸮱¸¿¡¼­ 7ÀÏ ÈÄ $59{sim}73%$ÀÇ ³ôÀº »ýÀå ¾ïÁ¦ È¿°ú¸¦ ³ªÅ¸³»¸ç M. aeruginosaÀÇ »ýÀåÀ» ¾ïÁ¦ÇÏ¿´´Ù. ÇÑÆí, 8°¡Áö ¹°ÁúÀ» M. aeruginosa¿¡ $1,000{mu}g;L^{-1}$ ³óµµ·Î ó¸®ÇÑ ½ÇÇè¿¡¼­´Â 3°¡Áö ¹°Áú (${eta}$-sitosterol-${eta}$-D-glucoside, hentriacontane, orizaterpenoid)¿¡¼­ »ýÀå ¾ïÁ¦ È¿°ú¸¦ º¸¿´´Ù. ¶ÇÇÑ M. aeruginosa¿¡ À̵é 3°¡Áö ¹°ÁúÀ» Á¶ÇÕÇÏ¿© ½ÇÇèÇÑ °á°ú, À̵é 3°¡Áö¸¦ È¥ÇÕÇÑ Ã³¸®±¸¿¡¼­ »ýÀå ¾ïÁ¦¿¡ ´ëÇÑ À¯ÀÇÇÑ »ó½ÂÈ¿°ú¸¦ ³ªÅ¸³Â´Ù(p<0.05). ¿Õ°Ü ¸Þź¿Ã ÃßÃâ¹°ÀÇ ÇöÀåÀû¿ë °¡´É¼ºÀ» ÆÄ¾ÇÇϰíÀÚ $1,000{mu}g;L^{-1}$ÀÇ ÃßÃâ¹° ³óµµ¿¡ ¹°º­·èÀ» ó¸®ÇÏ¿© ½ÇÇèÇÑ °á°ú, 96½Ã°£ ÈÄ¿¡ 85%ÀÇ ³ôÀº »ýÁ¸À²À» º¸¿´´Ù. °á·ÐÀûÀ¸·Î, ¿Õ°Ü ÃßÃâ¹°Àº M. aeruginosaÀÇ »ýÀå ¾ïÁ¦¿¡ È¿°úÀûÀΠõ¿¬¹°Áú·Î¼­ Á¶·ù Á¦¾î¿¡ »ó½ÂÀÛ¿ëÀÌ ³ªÅ¸³µÀ¸¸ç, ÇöÀå Àû¿ë½Ã ¼öÁß»ý¹°¿¡ ´ëÇÑ µ¶¼ºÀº ³ôÁö ¾ÊÀ» °ÍÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù.
We examined the effects of crude and eight pure material (${eta}$-sitosterol, ${eta}$-sitosterol-${eta}$-D-glucoside, 1-tetratriacontanol, hentriacontane, orizaterpenoid, stigmas-5-en-$3{alpha}$ 26-diacetate, stearic acid, myristic acid), extracted from rice hull, on growth inhibition of toxic cyanobacterium, Microcystis aeruginosa NIER 10010. Strains of M. aeruginosa and Daphnia magna, obtained from the NIER (Korea) and BBE (Germany), were cultured in the CB medium with hard water. For all four treatment concentrations 0, 10, 100 and $1,000{mu}g;L^{-1}$) of the crude extract, the cell number of M. aeruginosa was reduced by $59{sim}73%$ during the 7-day test period. Among eight kinds of pure extracts, ${eta}$-sitosterol-${eta}$-D-glucoside, hentriacontane and orizaterpenoid $(1,000{mu}g;L^{-1})$ exhibited relatively higher growth inhibition compared with other pure extracts. The mixture of three pure extracts (${eta}$-sitosterol-${eta}$-D-glucoside, hentriacontane and orizaterpenoid) showed the highest growth inhibition at $1,000{mu}g;L^{-1}$. Therefore, the synergistic effect was significantly highlighted by a mixture of the three pure extracts (p<0.05). Under the condition of $1,000{mu}g;L^{-1}$ in the crude extracts, D. magna exhibited survival rate by >85% for 96 hours. In conclusion, the growth inhibition of M. aeruginosa was probably attributed to the synergistic effect of various compounds extracted from the rice hull.
 
Ű¿öµå
algal inhibition;allelochenmicals;Microcystis aeruginosa;rice hull;synergistic effect;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.41, no.spc, 2008³â, pp.99-106
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200814364034015)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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