{"id":26716,"date":"2021-03-04T16:09:01","date_gmt":"2021-03-04T09:09:01","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=26716"},"modified":"2022-02-09T15:44:38","modified_gmt":"2022-02-09T08:44:38","slug":"nhung-tac-dung-kho-tin-cua-con-trung","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/nhung-tac-dung-kho-tin-cua-con-trung\/","title":{"rendered":"Nh\u1eefng t\u00e1c d\u1ee5ng kh\u00f3 tin c\u1ee7a c\u00f4n tr\u00f9ng"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><strong>Ngo\u00e0i nh\u1eefng c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i th\u00ec c\u00f3 nh\u1eefng lo\u1ea1i c\u00f4n tr\u00f9ng \u0111em nh\u1eefng gi\u00e1 tr\u1ecb kh\u00f3 tin trong \u0111\u1eddi s\u1ed1ng h\u1eb1ng ng\u00e0y m\u00e0 \u00edt ng\u01b0\u1eddi bi\u1ebft.<\/strong><\/h2>\n\n\n\n<p><strong>Ch\u1ea5t ti\u1ebft c\u1ee7a c\u00f4n tr\u00f9ng c\u00f3 gi\u00e1 tr\u1ecb<\/strong><\/p>\n\n\n\n<p>Ch\u1ea5t ti\u1ebft c\u1ee7a c\u00f4n tr\u00f9ng mang l\u1ea1i gi\u00e1 tr\u1ecb nh\u01b0 n\u01b0\u1edbc b\u1ecdt c\u1ee7a t\u1eb1m l\u00e0 lo\u1ea1i t\u01a1 th\u1eadt s\u1ef1 c\u00f3 gi\u00e1 tr\u1ecb, s\u00e1p ong l\u00e0 ch\u1ea5t ti\u1ebft d\u01b0\u1edbi tuy\u1ebfn da \u1edf m\u1eb7t d\u01b0\u1edbi c\u1ee7a b\u1ee5ng ong m\u1eadt, s\u00e1p s\u01a1n l\u00e0 ch\u1ea5t ti\u1ebft t\u1eeb tuy\u1ebfn&nbsp;d\u01b0\u1edbi da \u1edf l\u01b0ng lo\u00e0i r\u1ec7p (c\u00e1nh ki\u1ebfn \u0111\u1ecf). T\u1ebf b\u00e0o m\u1ee1 t\u1ea1o ra \u00e1nh s\u00e1ng c\u1ee7a \u201cru\u1ed3i l\u1eeda kh\u1ed5ng l\u1ed3\u201d m\u00e0 ch\u00fang ta quen g\u1ecdi l\u00e0 \u0111om \u0111\u00f3m \u1edf v\u00f9ng nhi\u1ec7t \u0111\u1edbi d\u00f9ng \u0111\u1ec3 chi\u1ebfu s\u00e1ng v\u00e0 \u0111\u01b0\u1ee3c ghi nh\u1eadn l\u00e0 c\u00e1ch t\u1ed5ng h\u1ee3p t\u1ea1o ra ch\u1ea5t ph\u00e1t quang m\u00e0 h\u1ea7u nh\u01b0 kh\u00f4ng t\u1ecfa nhi\u1ec7t.<\/p>\n\n\n\n<p>Ph\u1ea5n son t\u1eeb s\u00e1p r\u1ec7p son v\u00e0 ch\u1ea5t \u0111\u1ecf th\u1eabm l\u00e0 nh\u1eefng s\u1eafc t\u1ed1 \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng vi\u1ec7c l\u00e0m kh\u00f4 c\u01a1 th\u1ec3 c\u00f4n tr\u00f9ng \u1edf v\u00f9ng nhi\u1ec7t \u0111\u1edbi. Cantharidin, m\u1ed9t lo\u1ea1i h\u00f3a ch\u1ea5t \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y \u1edf nhi\u1ec1u th\u00e0nh vi\u00ean trong h\u1ecd b\u1ecd c\u00e1nh c\u1ee9ng. \u0110\u00e2y l\u00e0 m\u1ed9t ch\u1ea5t \u0111\u1ed9c. Cantharidin \u0111\u1ed9c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u00e1c ch\u1ea5t \u0111\u1ed9c nh\u1ea5t nh\u01b0 strychnine. N\u00f3 l\u00e0 m\u1ed9t ch\u1ea5t r\u1eafn kh\u00f4ng m\u00f9i, kh\u00f4ng m\u00e0u \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. N\u00f3 \u0111\u01b0\u1ee3c ti\u1ebft ra b\u1edfi b\u1ecd c\u00e1nh c\u1ee9ng \u0111\u1ef1c v\u00e0 truy\u1ec1n cho con c\u00e1i v\u00e0o m\u00f9a giao ph\u1ed1i. Sau \u0111\u00f3, b\u1ecd c\u00e1nh c\u1ee9ng c\u00e1i s\u1ebd b\u1ecdc tr\u1ee9ng b\u1eb1ng ch\u1ea5t n\u00e0y nh\u01b0 m\u1ed9t b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i k\u1ebb th\u00f9. Ch\u01b0a r\u00f5 c\u01a1 ch\u1ebf sinh t\u1ed5ng h\u1ee3p \u1edf c\u01a1 th\u1ec3 c\u00f4n tr\u00f9ng. Cantharidin \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u trong y t\u1ebf, ch\u1ee7 y\u1ebfu \u0111\u1ec3 tr\u1ecb b\u1ec7nh m\u1ee5n c\u01a1m. V\u00ec c\u00e1c hi\u1ec7u \u1ee9ng b\u1ea5t l\u1ee3i cho ng\u01b0\u1eddi m\u00e0 ch\u1ea5t n\u00e0y n\u1eb1m trong danh s\u00e1ch c\u00e1c ch\u1ea5t \u0111\u1ed9c \u0111\u00e1ng l\u01b0u \u00fd c\u1ee7a b\u00e1c s\u0129&nbsp;da li\u1ec5u v\u00e0 nh\u00e2n vi\u00ean c\u1ea5p c\u1ee9u. Khi \u0103n v\u1edbi li\u1ec1u l\u01b0\u1ee3ng 10mg l\u00e0 c\u00f3 th\u1ec3 g\u00e2y t\u1eed vong. \u0102n ph\u1ea3i ch\u1ea5t cantharidin c\u00f3 th\u1ec3 g\u00e2y t\u1ed5n h\u1ea1i ni\u00eam m\u1ea1c \u0111\u01b0\u1eddng ti\u00eau h\u00f3a, t\u1ed5n th\u01b0\u01a1ng th\u1eadn v\u0129nh vi\u1ec5n\u2026<\/p>\n\n\n\n<p>H\u00e0m l\u01b0\u1ee3ng cantharidin trong b\u1ecd c\u00e1nh c\u1ee9ng thay \u0111\u1ed5i theo lo\u00e0i, b\u1ecd c\u00e1nh c\u1ee9ng lo\u00e0i E. pennsylvanica ch\u1ee9 kho\u1ea3ng&nbsp;4,8mg, th\u01b0\u1eddng b\u1ecd \u0111\u1ef1c ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng cao h\u01a1n so v\u1edbi b\u1ecd c\u00e1i. Vi\u1ec7c s\u1eed d\u1ee5ng cantharidin l\u00e0m ch\u1ea5t k\u00edch d\u1ee5c r\u1ea5t nguy hi\u1ec3m b\u1edfi n\u00f3 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng g\u00e2y t\u1eed vong, cho d\u00f9 g\u1ea7n \u0111\u00e2y \u1edf n\u01b0\u1edbc ta \u0111\u01b0\u1ee3c qu\u1ea3ng c\u00e1o r\u1ea7m r\u1ed9 tr\u00ean internet.<\/p>\n\n\n\n<p>Ngo\u00e0i ra, c\u00f4n tr\u00f9ng c\u00f2n t\u1eadp h\u1ee3p, tinh ch\u1ebf v\u00e0 t\u1ed3n tr\u1eef c\u00e1c s\u1ea3n ph\u1ea9m th\u1ef1c v\u1eadt c\u00f3 gi\u00e1 tr\u1ecb. M\u1eadt ong l\u00e0 m\u1eadt \u0111\u01b0\u1ee3c thu th\u1eadp t\u1eeb hoa, \u0111\u01b0\u1ee3c c\u00f4 l\u1eadp l\u1ea1i, l\u00e0m bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc v\u00e0 \u0111\u01b0\u1ee3c \u0111\u00f3ng k\u00edn v\u00e0o \u201cchai s\u00e1p\u201d b\u1edfi ong m\u1eadt, C\u00f4n tr\u00f9ng k\u00edch th\u00edch cho th\u1ef1c v\u1eadt s\u1ea3n sinh ra t\u00fai s\u1ea7n,&nbsp;m\u1ed9t s\u1ed1 trong ch\u00fang&nbsp;c\u00f3 gi\u00e1 tr\u1ecb nh\u01b0 axit tannic t\u1eeb t\u00fai s\u1ea7n do c\u00f4n tr\u00f9ng \u0111\u00e3 \u0111\u01b0\u1ee3c d\u00f9ng c\u00e1ch \u0111\u00e2y h\u00e0ng th\u1ebf k\u1ef7 \u0111\u1ec3 thu\u1ed9c da \u0111\u1ed9ng v\u1eadt, l\u00e0m \u0111\u1ed3 da hay l\u00f4ng th\u00fa, chim. Nhi\u1ec1u t\u00fai s\u1ea7n c\u00f3 ch\u1ee9a v\u1eadt li\u1ec7u \u0111\u1ec3 l\u00e0m ra m\u1ef1c kh\u00f4ng phai, ch\u00f3ng kh\u00f4 v\u00e0 r\u1ea5t m\u1ecbn.<\/p>\n\n\n\n<p><strong>C\u00f4n tr\u00f9ng h\u1ee7y di\u1ec7t c\u00e1c lo\u00e0i c\u1ecf&nbsp;<a href=\"https:\/\/khoahocdoisong.vn\/gay-hai-ptag.html\">g\u00e2y h\u1ea1i<\/a><\/strong><\/p>\n\n\n\n<p>Kh\u00e1i ni\u1ec7m c\u1ecf d\u1ea1i \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 nh\u1eefng c\u00e2y hoang d\u1ea1i m\u1ecdc l\u1eabn tr\u00ean \u0111\u1ed3ng c\u1ecf ch\u0103n nu\u00f4i \u0111\u1ea1i gia s\u00fac nh\u01b0 c\u00e2y k\u1ebf s\u1eefa (c\u00fac gai). N\u1ebfu b\u00f2 \u0103n ph\u1ea3i s\u1ebd b\u1ecb ng\u1ed9 \u0111\u1ed9c, n\u00ean ng\u01b0\u1eddi ta \u0111\u00e3 du nh\u1eadp t\u1eeb M\u1ef9 v\u00e0o Canada nh\u1eefng lo\u00e0i c\u00f4n tr\u00f9ng \u0111\u1ec3 h\u1ea1n ch\u1ebf s\u1ef1 ph\u00e1t ti\u00ean lo\u00e0i c\u00e2y n\u00e0y nh\u01b0 ru\u1ed3i m\u1eadt, thu\u1ed9c h\u1ecd Tephritidae (Diptera) l\u00e0 b\u1ecd c\u00e1nh c\u1ee9ng \u0103n l\u00e1 <em>Longitarsus jacoaeae<\/em> v\u00e0 <em>Galerucella peacearriensis<\/em>. \u1ede Vi\u1ec7t Nam, c\u00f3 th\u1ec3 d\u00f9ng&nbsp;lo\u00e0i b\u1ecd c\u00e1nh c\u1ee9ng \u0103n l\u00e1 \u0103n c\u00e1c ph\u1ea7n c\u00f3 m\u00e0u xanh c\u1ee7a c\u00e2y mai d\u01b0\u01a1ng ho\u1eb7c ng\u00e0i c\u00e1nh trong \u0111\u1ee5c c\u00e0nh. S\u00e2u non lo\u00e0i n\u00e0y \u0111\u1ee5c c\u00e0nh, th\u00e2n c\u00e2y l\u00e0m c\u00e2y b\u1ecb ch\u1ebft, gi\u1ea3m sinh tr\u01b0\u1edfng, gi\u1ea3m l\u01b0\u1ee3ng h\u1ea1t c\u1ee7a c\u00e2y mai d\u01b0\u01a1ng. Ngo\u00e0i ra, c\u00f2n c\u00f3 lo\u00e0i v\u00f2i voi h\u1ea1i hoa mai d\u01b0\u01a1ng. V\u00f2i voi \u0111\u1ee5c h\u1ea1t, s\u00e2u \u0111o \u0103n l\u00e1, v\u00e0 b\u1ecd c\u00e1nh c\u1ee9ng \u0103n l\u00e1 v\u00e0 r\u1ec5 c\u00e2y mai d\u01b0\u01a1ng.<\/p>\n\n\n\n<p>H\u01a1n n\u1eefa, c\u00f4n tr\u00f9ng c\u00f2n c\u1ea3i thi\u1ec7n \u0111i\u1ec1u ki\u1ec7n v\u1eadt l\u00fd c\u1ee7a \u0111\u1ea5t b\u1eb1ng \u0111\u00e0o th\u01b0\u1eddng xuy\u00ean l\u1edbp m\u1eb7t \u0111\u1ea5t. C\u01a1 th\u1ec3&nbsp;c\u00f4n tr\u00f9ng ch\u1ebft l\u00e0 s\u1ea3n ph\u1ea9m ph\u1ee5 c\u1ee7a ch\u00fang r\u01a1i v\u00e0o l\u00e0m \u0111\u1ea5t ph\u00ec nhi\u00eau. \u0110\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng c\u00f4n tr\u00f9ng s\u1ed1ng trong \u0111\u1ea5t, \u0111i\u1ec3n h\u00ecnh nh\u01b0 b\u1ed9 b\u1ecd&nbsp;\u0111u\u00f4i b\u1eadt. C\u00f4n tr\u00f9ng th\u1ef1c thi s\u1ee9 m\u1ea1ng l\u00e0 ng\u01b0\u1eddi \u201cqu\u00e9t d\u1ecdn h\u00e0nh tinh\u201d b\u1eb1ng vi\u1ec7c \u0103n c\u00e1c t\u00e0n d\u01b0 c\u1ee7a \u0111\u1ed9ng v\u1eadt v\u00e0 th\u1ef1c v\u1eadt, ch\u00f4n v\u00f9i c\u00e1c t\u00e0n d\u01b0 l\u00e0 ph\u00e2n do sinh v\u1eadt th\u1ea3i ra.<\/p>\n\n\n\n<p>\u0110\u1eb7c bi\u1ec7t, kho\u1ea3ng&nbsp;20 n\u0103m g\u1ea7n \u0111\u00e2y, c\u00f4n tr\u00f9ng tr\u1edf&nbsp;th\u00e0nh m\u1ed9t trong c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng sinh v\u1eadt \u0111\u01b0\u1ee3c s\u1eed&nbsp;d\u1ee5ng l\u00e0m ch\u1ec9&nbsp;th\u1ecb sinh h\u1ecdc \u0111\u1ec3&nbsp;\u0111\u00e1nh gi\u00e1 s\u1ef1 thay \u0111\u1ed5i v\u00e0&nbsp;\u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng. Ngo\u00e0i ra, n\u1ecdc ong, m\u1eadt ong, s\u1eefa ong ch\u00faa hay m\u1ed1i c\u00e1nh\u2026 l\u00e0 nguy\u00ean li\u1ec7u c\u00f3 gi\u00e1 tr\u1ecb l\u00e0m thu\u1ed1c ch\u1eefa b\u1ec7nh th\u1ea5p kh\u1edbp v\u00e0 vi\u00eam kh\u1edbp. \u1ede Trung Qu\u1ed1c c\u00f3 ph\u01b0\u01a1ng ph\u00e1p d\u00f9ng ong \u0111\u1ed1t v\u00e0o huy\u1ec7t v\u00e0 xoa b\u00f3p \u0111\u1ec3&nbsp;ch\u1eefa b\u1ec7nh. \u1ede Vi\u1ec7t Nam \u0111\u00e3 c\u00f3 ng\u01b0\u1eddi d\u00f9ng ong m\u1eadt \u0111\u1ed1t \u0111\u1ec3&nbsp;cai nghi\u1ec7n ma t\u00fay. X\u00e1c ve s\u1ea7u hay c\u00f2n g\u1ecdi l\u00e0 thuy\u1ec1n tho\u00e1i, thi\u1ec1n tho\u00e1i, thuy\u1ec1n thu\u1ebf,&nbsp;\u0111\u01b0\u1ee3c s\u1eed&nbsp;d\u1ee5ng nhi\u1ec1u trong y h\u1ecdc c\u1ed5 truy\u1ec1n \u0111\u00ea l\u00e0m thu\u1ed1c tr\u1ecb \u0111\u01b0\u1ee3c nhi\u1ec1u ch\u1ee9ng b\u1ec7nh kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"has-text-align-right\"><strong>GS.TS B\u00f9i C\u00f4ng Hi\u1ec3n<\/strong><em>&nbsp;(H\u1ed9i C\u00f4n tr\u00f9ng h\u1ecdc Vi\u1ec7t Nam)<\/em><\/p>\n\n\n\n<p class=\"has-text-align-right\"><a href=\"https:\/\/khoahocdoisong.vn\/nhung-tac-dung-kho-tin-cua-con-trung-163569.html\">https:\/\/khoahocdoisong.vn\/nhung-tac-dung-kho-tin-cua-con-trung-163569.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ngo\u00e0i nh\u1eefng c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i th\u00ec c\u00f3 nh\u1eefng lo\u1ea1i c\u00f4n tr\u00f9ng \u0111em nh\u1eefng gi\u00e1 tr\u1ecb kh\u00f3 tin trong \u0111\u1eddi s\u1ed1ng h\u1eb1ng ng\u00e0y m\u00e0 \u00edt ng\u01b0\u1eddi bi\u1ebft. Ch\u1ea5t ti\u1ebft c\u1ee7a c\u00f4n tr\u00f9ng c\u00f3 gi\u00e1 tr\u1ecb Ch\u1ea5t ti\u1ebft c\u1ee7a c\u00f4n tr\u00f9ng mang l\u1ea1i gi\u00e1 tr\u1ecb nh\u01b0 n\u01b0\u1edbc b\u1ecdt c\u1ee7a t\u1eb1m l\u00e0 lo\u1ea1i t\u01a1 th\u1eadt s\u1ef1 c\u00f3 [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":26717,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-26716","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26716","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=26716"}],"version-history":[{"count":4,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26716\/revisions"}],"predecessor-version":[{"id":30949,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26716\/revisions\/30949"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/26717"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=26716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=26716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=26716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}