{"id":3393,"date":"2022-04-08T23:19:00","date_gmt":"2022-04-08T16:19:00","guid":{"rendered":"https:\/\/prc.org.vn\/?p=3393"},"modified":"2022-04-10T23:23:45","modified_gmt":"2022-04-10T16:23:45","slug":"xac-dinh-ham-luong-flavonoid-tong-anthocyanin-tong-va-hoat-tinh-chong-oxy-hoa-cua-cac-phan-doan-cao-chiet-hoa-dau-biec-clitoria-ternatea","status":"publish","type":"post","link":"https:\/\/prc.org.vn\/?p=3393","title":{"rendered":"X\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng Flavonoid t\u1ed5ng, Anthocyanin t\u1ed5ng v\u00e0 ho\u1ea1t t\u00ednh ch\u1ed1ng oxy h\u00f3a c\u1ee7a c\u00e1c ph\u00e2n \u0111o\u1ea1n cao chi\u1ebft hoa \u0111\u1eadu bi\u1ebfc (clitoria ternatea)"},"content":{"rendered":"\n<p>Cao chi\u1ebft hoa \u0111\u1eadu bi\u1ebfc (Clitoria ternatea) thu \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch tr\u00edch ly trong 2 lo\u1ea1i dung m\u00f4i l\u00e0 ethanol 60% v\u00e0 methanol 50%; c\u00e1c cao ph\u00e2n \u0111o\u1ea1n \u0111\u01b0\u1ee3c r\u1eeda gi\u1ea3i b\u1eb1ng h\u1ec7 dung m\u00f4i hexane: ethyl acetate c\u00f3 \u0111\u1ed9 ph\u00e2n c\u1ef1c t\u0103ng d\u1ea7n. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t tr\u00edch ly cao t\u1ed5ng ethanol l\u1edbn h\u01a1n so v\u1edbi cao t\u1ed5ng methanol l\u1ea7n l\u01b0\u1ee3t l\u00e0 17,01% v\u00e0 15,22%, so s\u00e1nh v\u1edbi nguy\u00ean li\u1ec7u. H\u00e0m l\u01b0\u1ee3ng flavonoid t\u1ed5ng trong ph\u00e2n \u0111o\u1ea1n 2 cao chi\u1ebft methanol l\u00e0 621,43 \u00b1 2,33mg QE\/g cao chi\u1ebft v\u00e0 anthocyanin t\u1ed5ng trong ph\u00e2n \u0111o\u1ea1n 3 cao chi\u1ebft ethanol l\u00e0 119,58 \u00b1 1,19 mg\/g cao chi\u1ebft l\u00e0 l\u1edbn nh\u1ea5t. Ho\u1ea1t t\u00ednh ch\u1ed1ng oxy h\u00f3a c\u1ee7a c\u00e1c cao chi\u1ebft ph\u00e2n \u0111o\u1ea1n hoa \u0111\u1eadu bi\u1ebfc \u0111\u01b0\u1ee3c kh\u1ea3o s\u00e1t th\u00f4ng qua kh\u1ea3 n\u0103ng kh\u1eed H2O2 v\u00e0 g\u1ed1c t\u1ef1 do DPPH. Trong \u0111\u00f3, gi\u00e1 tr\u1ecb IC50 cao ph\u00e2n \u0111o\u1ea1n 3 methanol l\u00e0 166,29 \u00b1 2,53 \u00b5g\/ml, c\u00f3 kh\u1ea3 n\u0103ng kh\u1eed H2O2 m\u1ea1nh h\u01a1n so v\u1edbi axit ascorbic l\u00e0 176,23 \u00b1 3,21 \u00b5g\/ml; gi\u00e1 tr\u1ecb IC50 c\u1ee7a cao ph\u00e2n \u0111o\u1ea1n 2 v\u00e0 3 methanol l\u1ea7n l\u01b0\u1ee3t l\u00e0 589,27 \u00b1 4,09 \u00b5g\/ml v\u00e0 412,34 \u00b1 2,91 \u00b5g\/ml \u0111\u1ec1u kh\u1ea3 n\u0103ng kh\u1eed DPPH m\u1ea1nh h\u01a1n so v\u1edbi axit ascorbic l\u00e0 656,23 \u00b1 3,44 \u00b5g\/ml. Nh\u01b0 v\u1eady, cao ph\u00e2n \u0111o\u1ea1n 3 v\u1edbi dung dung m\u00f4i r\u1eeda gi\u1ea3i ethyl acetate l\u00e0 th\u00edch h\u1ee3p \u0111\u1ec3 t\u00e1ch chi\u1ebft c\u00e1c h\u1ee3p ch\u1ea5t th\u1ef1c v\u1eadt t\u1eeb hoa \u0111\u1eadu bi\u1ebfc c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a m\u1ea1nh nh\u1ea5t. S\u1ea3n ph\u1ea9m cao chi\u1ebft hoa \u0111\u1eadu c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c ch\u1ebf \u0111\u1ed9 \u0103n ki\u00eang v\u1edbi kh\u1ea3 n\u0103ng l\u00e0m gi\u1ea3m stress oxy h\u00f3a.<\/p>\n\n\n\n<p>Xem b\u1ea3n \u0111\u1ea7y\u00a0\u0111\u1ee7:\u00a0<a href=\"https:\/\/prc.org.vn\/wp-content\/uploads\/2022\/04\/dau-biec.pdf\">t\u1ea1i\u00a0\u0111\u00e2y<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cao chi\u1ebft hoa \u0111\u1eadu bi\u1ebfc (Clitoria ternatea) thu \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch tr\u00edch ly trong 2 lo\u1ea1i dung m\u00f4i l\u00e0 ethanol<\/p>\n","protected":false},"author":4,"featured_media":3394,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[39],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/3393"}],"collection":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3393"}],"version-history":[{"count":1,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/3393\/revisions"}],"predecessor-version":[{"id":3397,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/3393\/revisions\/3397"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/media\/3394"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3393"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}