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Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ / v.18, no.2, 2005³â, pp.351-358
Â÷³ª¹« ÀÙÀÇ Ä¶·¯½º ¹è¾çÀ» ÅëÇÑ Ä«Å×Ų·ùÀÇ »ý»ê¼º °³¼±
( Improvement of Catechin Productivity in Callus Cultures of Camellia sinensis Leaves )
¿À¼øÀÚ;°í¼®Âù; Á¦ÁÖ´ëÇб³ »ý¸í°úÇаú, ±âÃʰúÇבּ¸¼Ò;Á¦ÁÖ´ëÇб³ »ý¸í°úÇаú, ±âÃʰúÇבּ¸¼Ò;
 
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Â÷³ª¹« Ä«Å×Ų·ùÀÇ »ý»ê¼ºÀ» ³ôÀ̱â À§ÇÏ¿© Â÷³ª¹« ÀÙÀÇ Ä¶·¯½º ¹è¾ç½Ã thiamine-HCl°úPVPÀÇ È¿°ú¸¦ Á¶»çÇÏ¿´´Ù. Ķ·¯½ºÀÇ »ýÀåÀº 20 mg/L thiamine-HClÀÌ Æ÷ÇÔµÈ Ä¶·¯½ºÁõ½Ä¹èÁö(0.2 mg/L 2,4-D¿Í 1.0 mg/L TDZ°¡ ÷°¡µÈ MS ¹èÁö)¿¡¼­ °¡Àå ¿Õ¼ºÇÏ¿© ´ëÁ¶±¸¿¡ ºñÇØ 1.7¹èÀÇ »ýÀåÀ» º¸¿´´Ù. ¹è¾çµÈ Ķ·¯½ºÀÇ Ä«ÆäÀÎ ÇÔ·®Àº ½ÅÃÊ¿¡ ºñÇØ $10%$ÀÌÇÏ·Î ³·¾ÆÁ³°í ÃÑ Ä«Å×Ų·ù ÇÔ·®Àº 40 mg/L thiamine-HCl¿¡¼­ °¡Àå ³ô¾Æ ½ÅÃÊÀÇ 1.6¹è±îÁö Áõ°¡ÇÏ¿´´Ù. ƯÈ÷ ½ÅÃÊ¿¡¼­´Â °ËÃâµÇÁö ¾Ê¾Ò´ø (-)-epicatechin(EC)ÀÌ thiamine-HCl ¶Ç´Â PVP¸¦ ó¸®ÇÏ¿© ¹è¾çÇÏ¿´À» °æ¿ì ¸ðµç 󸮿¡¼­ °ËÃâµÇ¾úÀ¸¸ç, (-)-epicatechingallate(ECG)´Â ½ÅÃÊ¿¡¼­ º¸´Ù 4.8¹è³ª ³ôÀº ÇÔ·®À» ³ªÅ¸³»¾ú´Ù. Ķ·¯½º »ýÀå°ú °íÈ¿À²ÀÇ Ä«Å×Ų »ý»êÀ» °í·ÁÇßÀ» ¶§ 30 mg/L thiamine-HClÀÌ Æ÷ÇÔµÈ ¹èÁö°¡ ÃÖÀûÀÇ ¹è¾çÁ¶°ÇÀ¸·Î ÆÇ´ÜµÈ´Ù.
The effects of thiamine-HCl or polyvinylpyrrolidone (PVP) on growth and catechin contents of calli from Camellia sinensis leaves were investigated to improve catechin productivity in callus cultures on the selective medium. The growth of calli was great on the proliferation medium (the MS medium with 0.2 mg/L 2,4-D and 1.0 mg/L TDZ) supplemented with $20{sim}30;mg/L$ thiamine-HCl. Although the caffeine content was low in calli compared to young leaves, the total content of catechins was high in calli. Particularly,(-)-epicatechin (EC) which not detected in young loaves was also detected in calli on the propagation medium containing thiamine-HCl or PVP. In addition, the (-)-epicatechingallate (ECG) content was significantly higher in calli than in young leaves. In conclusion, the proliferation medium supplemented with 30 mg/L thiamine-HCl as a vitamin source seemed to be optimal condition for the growth and catechin production in callus culture.
 
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Camellia sinensis;callus culture;caffeine;catechins;thiamine-HCl;
 
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸÁö / v.18, no.2, 2005³â, pp.351-358
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ
ISSN : 1226-3591
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200504704040795)
¾ð¾î : Çѱ¹¾î
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