Znn3bq.jpeg
²é¿´: 536  |  »Ø¸´: 5

liuxus20030704

Òø³æ (СÓÐÃûÆø)


[½»Á÷] ÇóÖúÍâÎÄÖеÄÒ»¸öʵÑé²Ù×÷

For flavonoids (F) determination, skin extract and wine samples were diluted 100 times, with ethanol-hydrochloric acid solution and an absorbance spectrum in the range 230-700 nm was recorded. The F content was calculated according to the following formula:
F=E280*df*82.4
E280 = specific extinction coefficient at 280nm assessed with the graphic method (absorbance corresponding to the segment, parallel to the y-axis, starting from the peak maximum at 280 nm and finishing on the tangent joining the points of minimum at the left and at the right of the peak).

» ²ÂÄãϲ»¶

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

liuxus20030704

Òø³æ (СÓÐÃûÆø)


longwave(½ð±Ò+1): ¹ÄÀø½»Á÷£¬»¶Ó­³£À´¿ÆÑа棡 2012-02-29 18:59:29
ÔÚһƪÎÄÏ×Öп´µ½²âÊÔÀà»ÆÍªµÄ·½·¨£¬ÇëÎÊthe graphic method ÖÐÊÇÈçºÎµÃµ½E280 specific extinction coefficient £¿²»ÖªµÀÔõô»­Í¼ºÍ¼ÆË㣿¼±Óã¬Ð»Ð»£¡ ͼƬ¸ãÍü´«ÁË¡£
2Â¥2012-02-29 17:13:15
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¡ï
liuxus20030704(½ð±Ò+1):лл²ÎÓë
tuobaohua(½ð±Ò+1): »ý¼«²ÎÓë½»Á÷£¬»¶Ó­³£À´¿ÆÑа棡 2012-02-29 20:54:23
3Â¥2012-02-29 19:37:22
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¼òµ¥»Ø¸´
2012-02-29 21:10  
liuxus20030704(½ð±Ò+1):лл²ÎÓë
×£¸£×£¸£
buyanru5Â¥
2012-05-28 20:52  
liuxus20030704(½ð±Ò+1): лл²ÎÓë
neu2346Â¥
2012-05-28 21:42  
liuxus20030704(½ð±Ò+1): лл²ÎÓë
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ liuxus20030704 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼²©] ºþÄÏ´óѧÁõÇÉÁá¿ÎÌâ×é2026ÄêµÚ¶þÅú´Î²©Ê¿Ñо¿ÉúÕÐÉúÐÅÏ¢ +3 ÄÏ·ç¹Û»ð 2026-04-18 3/150 2026-04-19 21:44 by µ­ÑÅÈËÉú27
[¿¼ÑÐ] ͨÐŹ¤³ÌÇóµ÷¼Á£¡£¡£¡ +7 zlb770521 2026-04-14 7/350 2026-04-19 20:56 by Equinoxhua
[¿¼ÑÐ] 26ҩѧר˶105500Çóµ÷¼Á +7 à¶¹þ¼ÓÓÍ 2026-04-13 8/400 2026-04-19 20:21 by Equinoxhua
[¿¼ÑÐ] 304Çóµ÷¼Á +8 castLight 2026-04-16 8/400 2026-04-19 17:14 by ÖÐÔ¥ÄÐ
[¿¼ÑÐ] 307ÖÐÒ½¿¼Ñе÷¼Á +9 ÓÚÒÔ²ÉÞÀ 2026-04-14 9/450 2026-04-19 08:41 by ÑÌÓêÁ÷ÑÄ
[¿¼ÑÐ] 327Çóµ÷¼Á +27 Xxjc1107. 2026-04-13 30/1500 2026-04-19 08:22 by cuisz
[¿¼ÑÐ] 0854Çóµ÷¼Á +23 ÃÅ·ÃþÃþ 2026-04-15 27/1350 2026-04-19 01:59 by ÑÌÓêÁ÷ÑÄ
[¿¼ÑÐ] 300Çóµ÷¼Á +12 ³Èa777 2026-04-15 12/600 2026-04-18 23:51 by ·²¡Çé
[¿¼ÑÐ] 320Çóµ÷¼Á +5 Éî½¼akm 2026-04-17 5/250 2026-04-18 19:52 by Íõ¬Bè±
[¿¼ÑÐ] 297£¬¹¤¿Æµ÷¼Á? +5 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-14 5/250 2026-04-18 15:17 by Equinoxhua
[¿¼ÑÐ] ÊÕµ½¸´ÊÔµ÷¼Áµ«ÊÇÈ¥²»ÁË +8 СÎÏÅ£* 2026-04-16 8/400 2026-04-18 11:15 by zixin2025
[¿¼ÑÐ] 260Çóµ÷¼Á +4 Zyt1314520.. 2026-04-17 5/250 2026-04-18 08:28 by babysonlkd
[¿¼ÑÐ] ¼±Ðèµ÷¼Á +9 ¾ø²»·ÅÆú22 2026-04-15 10/500 2026-04-18 08:09 by chixmc
[¿¼²©] É격/¿¼²© +3 ¿ÐÃæ°üµÄСÊ鳿 2026-04-17 4/200 2026-04-17 23:54 by ÑôÑôÑô^_^
[Óлú½»Á÷] ¶þ±½¼×ͪËáÀàÑÜÉúÎï 50+3 С°×°®Ö÷ÈË 2026-04-17 6/300 2026-04-17 18:47 by kf2781974
[¿¼ÑÐ] 295·ÖÇóµ÷¼Á +5 ?ÒªÉϰ¶? 2026-04-17 5/250 2026-04-17 16:51 by fenglj492
[¿¼ÑÐ] Ò»Ö¾Ô¸»¦9£¬ÉúÎïѧ326Çóµ÷¼Á +9 Áõīī 2026-04-15 9/450 2026-04-16 17:14 by ´Þ´Þ´Þcccc
[¿¼ÑÐ] Ò»Ö¾Ô¸AÇø211£¬22408 321Çóµ÷¼Á +6 ËæÐÄËùÓû¡î 2026-04-15 7/350 2026-04-15 21:45 by lbsjt
[¿¼ÑÐ] 297¹¤¿Æµ÷¼Á? +14 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-13 15/750 2026-04-15 13:25 by ºÚ¿Æ¼¼¿óÒµ
[¿¼ÑÐ] ¿¼Ñе÷¼Á +13 ³¤¹­°Á 2026-04-13 14/700 2026-04-14 14:44 by zs92450
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û