{"id":9844,"date":"2012-06-04T02:49:05","date_gmt":"2012-06-03T19:49:05","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/06\/nghien-cuu-su-dung-nguyen-lieu-nguon-goc-thuc-vat-de-lam-thuoc-bao-quan\/"},"modified":"2013-10-06T09:02:47","modified_gmt":"2013-10-06T02:02:47","slug":"nghien-cuu-su-dung-nguyen-lieu-nguon-goc-thuc-vat-de-lam-thuoc-bao-quan","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-su-dung-nguyen-lieu-nguon-goc-thuc-vat-de-lam-thuoc-bao-quan\/","title":{"rendered":"Nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng nguy\u00ean li\u1ec7u ngu\u1ed3n g\u1ed1c th\u1ef1c v\u1eadt \u0111\u1ec3 l\u00e0m thu\u1ed1c b\u1ea3o qu\u1ea3n"},"content":{"rendered":"<p> <strong>Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc, B\u00f9i V\u0103n \u00c1i, <\/strong> <\/p>\n<p> <strong>Nguy\u1ec5n Duy V\u01b0\u1ee3ng, Ph\u1ea1m Th\u1ecb Thanh Mi\u1ec1n <\/strong> <\/p>\n<p> <em>Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em> <\/p>\n<p> <strong>T\u00d3M T\u1eaeT<\/strong> <\/p>\n<p> Thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n \u0111\u01b0\u1ee3c d\u00f9ng \u1edf Vi\u1ec7t Nam v\u00e0 tr\u00ean th\u1ebf gi\u1edbi h\u1ea7u h\u1ebft l\u00e0 h\u1ed7n h\u1ee3p c\u00e1c h\u00f3a ch\u1ea5t v\u00f4 c\u01a1 ho\u1eb7c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 t\u1ed5ng h\u1ee3p trong c\u00f4ng nghi\u1ec7p h\u00f3a h\u1ecdc. Tuy nhi\u00ean, m\u1ed9t s\u1ed1 h\u00f3a ch\u1ea5t do \u0111\u1ed9c t\u1ed1 cao v\u1edbi con ng\u01b0\u1eddi v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng n\u00ean \u0111\u00e3 b\u1ecb c\u1ea5m s\u1eed d\u1ee5ng tr\u00ean ph\u1ea1m vi to\u00e0n c\u1ea7u. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fd do th\u00fac \u0111\u1ea9y c\u00f4ng t\u00e1c nghi\u00ean c\u1ee9u t\u00ecm ki\u1ebfm nh\u1eefng h\u1ee3p ch\u1ea5t ngu\u1ed3n g\u1ed1c sinh h\u1ecdc v\u1eeba c\u00f3 t\u00ednh n\u0103ng ph\u00f2ng tr\u1eeb sinh v\u1eadt h\u1ea1i l\u00e2m s\u1ea3n v\u1eeba \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c ti\u00eau ch\u00ed an to\u00e0n. <\/p>\n<p> M\u1ed9t s\u1ed1 lo\u1ea1i nguy\u00ean li\u1ec7u th\u1ef1c v\u1eadt s\u1eb5n c\u00f3 trong n\u01b0\u1edbc \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n, bao g\u1ed3m D\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u (<em>Anacardium occidentale<\/em> L) thu \u0111\u01b0\u1ee3c t\u1eeb qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn h\u1ea1t \u0110i\u1ec1u; d\u1ea7u h\u1ea1t Neem (<em>Azadirachta Indica<\/em> A.Juss), d\u1ea7u h\u1ea1t C\u00f3c h\u00e0nh (<em>Azadirachta excelsa <\/em>(Jack))\u0111\u01b0\u1ee3c t\u00e1ch t\u1eeb h\u1ea1t Neem v\u00e0 C\u00f3c h\u00e0nh hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c g\u00e2y tr\u1ed3ng v\u1edbi di\u1ec7n t\u00edch l\u1edbn t\u1ea1i Ninh Thu\u1eadn v\u00e0 B\u00ecnh Thu\u1eadn; Tannin \u0111\u01b0\u1ee3c chi\u1ebft xu\u1ea5t t\u1eeb c\u1ee7 N\u00e2u (<em>Dioscorea cirrhosa)<\/em>. <\/p>\n<p> Th\u00f4ng qua k\u1ebft qu\u1ea3 kh\u1ea3o nghi\u1ec7m hi\u1ec7u l\u1ef1c c\u1ee7a c\u00e1c ho\u1ea1t ch\u1ea5t th\u1ef1c v\u1eadt tr\u00ean \u0111\u00e2y \u0111\u1ed1i v\u1edbi c\u00f4n tr\u00f9ng v\u00e0 n\u1ea5m g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u c\u00f3 hi\u1ec7u l\u1ef1c v\u1edbi m\u1ed1i (\u0111\u1ea1i di\u1ec7n cho c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n) khi n\u1ed3ng \u0111\u1ed9 s\u1eed d\u1ee5ng l\u00ean \u0111\u1ebfn 15%. D\u1ea7u h\u1ea1t C\u00f3c h\u00e0nh \u0111\u1ea1t hi\u1ec7u l\u1ef1c trung b\u00ecnh t\u1ea1i c\u1ea5p n\u1ed3ng \u0111\u1ed9 2% khi x\u1eed l\u00fd m\u1eabu g\u1ed7 kh\u1ea3o nghi\u1ec7p theo ph\u01b0\u01a1ng ph\u00e1p nh\u00fang. D\u1ea7u h\u1ea1t Neem v\u00e0 Tannin \u0111\u1ea1t hi\u1ec7u l\u1ef1c trung b\u00ecnh v\u1edbi m\u1ed1i \u1edf m\u1ee9c n\u1ed3ng \u0111\u1ed9 4%. Trong c\u00e1c lo\u1ea1i nguy\u00ean li\u1ec7u th\u1ef1c v\u1eadt \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u, ch\u1ec9 c\u00f3 Tannin l\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 ph\u00e1 ho\u1ea1i n\u1ea5m g\u00e2y l\u00e2m s\u1ea3n. <\/p>\n<p> C\u00e1c nghi\u00ean c\u1ee9u n\u00e2ng cao hi\u1ec7u l\u1ef1c c\u1ee7a ho\u1ea1t ch\u1ea5t th\u1ef1c v\u1eadt \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh theo nhi\u1ec1u h\u01b0\u1edbng kh\u00e1c nhau. D\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u sau khi \u0111\u01b0\u1ee3c x\u1ee5c kh\u00ed clo \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u l\u1ef1c t\u1ed1t v\u1edbi m\u1ed1i ch\u1ec9 m\u1ee9c n\u1ed3ng \u0111\u1ed9 9%. D\u1ea7u h\u1ea1t Neem v\u00e0 d\u1ea7u h\u1ea1t C\u00f3c h\u00e0nh \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1ed5 sung th\u00eam ph\u1ee5 gia l\u00e0 h\u00f3a ch\u1ea5t thu\u1ed9c nh\u00f3m Pyrethroit \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u l\u1ef1c t\u1ed1t v\u1edbi m\u1ed1i \u1edf c\u1ea5p n\u1ed3ng \u0111\u1ed9 l\u1ea7n l\u01b0\u1ee3t l\u00e0 4% v\u00e0 2%. Dung d\u1ecbch ch\u1ebf ph\u1ea9m \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u1eed l\u00fd b\u1ea3o qu\u1ea3n g\u1ed7 theo ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o qu\u1ea3n b\u1ec1 m\u1eb7t nh\u01b0 nh\u00fang, phun, qu\u00e9t. Tannin c\u1ee7 N\u00e2u \u0111\u01b0\u1ee3c ph\u1ed1i h\u1ee3p th\u00eam ph\u1ee5 gia l\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a Boron, v\u00e0 \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u l\u1ef1c t\u1ed1t v\u1edbi c\u1ea3 c\u00f4n tr\u00f9ng, n\u1ea5m g\u00e2y h\u1ea1i \u1edf m\u1ee9c n\u1ed3ng \u0111\u1ed9 s\u1eed d\u1ee5ng l\u00e0 4%.  <\/p>\n<p> C\u00e1c c\u00f4ng th\u1ee9c thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n ngu\u1ed3n g\u1ed1c th\u1ef1c v\u1eadt tr\u00ean \u0111\u00e2y \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 \u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c t\u00ednh ch\u1ea5t g\u1ed7, kh\u00f4ng \u0103n m\u00f2n kim lo\u1ea1i v\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng m\u00e0ng trang s\u1ee9c g\u1ed7. <\/p>\n<p> <strong>T\u1eeb kh\u00f3a: <\/strong>Thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n, Ngu\u1ed3n g\u1ed1c th\u1ef1c v\u1eadt. <\/p>\n","protected":false},"excerpt":{"rendered":"<p><!--[if gte mso 9]><xml>\n<w:WordDocument>\n<w:View>Normal<\/w:View>\n<w:Zoom>0<\/w:Zoom>\n<w:PunctuationKerning\/>\n<w:ValidateAgainstSchemas\/>\n<w:SaveIfXMLInvalid>false<\/w:SaveIfXMLInvalid>\n<w:IgnoreMixedContent>false<\/w:IgnoreMixedContent>\n<w:AlwaysShowPlaceholderText>false<\/w:AlwaysShowPlaceholderText>\n<w:Compatibility>\n<w:BreakWrappedTables\/>\n<w:SnapToGridInCell\/>\n<w:WrapTextWithPunct\/>\n<w:UseAsianBreakRules\/>\n<w:DontGrowAutofit\/>\n<\/w:Compatibility>\n<w:BrowserLevel>MicrosoftInternetExplorer4<\/w:BrowserLevel>\n<\/w:WordDocument>\n<\/xml><![endif]--><!--[if gte mso 9]><xml>\n<w:LatentStyles DefLockedState=\"false\" LatentStyleCount=\"156\">\n<\/w:LatentStyles>\n<\/xml><![endif]--><!--[if !mso]>\n<object \nclassid=\"clsid:38481807-CA0E-42D2-BF39-B33AF135CC4D\" id=ieooui> \n<\/object>\n\n\n<style>\nst1\\:*{behavior:url(#ieooui) }\n<\/style>\n\n\n<![endif]--><!--[if gte mso 10]>\n\n\n<style>\n\/* Style Definitions *\/\ntable.MsoNormalTable\n{mso-style-name:\"Table Normal\";\nmso-tstyle-rowband-size:0;\nmso-tstyle-colband-size:0;\nmso-style-noshow:yes;\nmso-style-parent:\"\";\nmso-padding-alt:0cm 5.4pt 0cm 5.4pt;\nmso-para-margin:0cm;\nmso-para-margin-bottom:.0001pt;\nmso-pagination:widow-orphan;\nfont-size:10.0pt;\nfont-family:\"Times New Roman\";\nmso-ansi-language:#0400;\nmso-fareast-language:#0400;\nmso-bidi-language:#0400;}\n<\/style>\n\n\n<![endif]--><\/p>\n<p style=\"margin: 6pt 0cm; text-indent: 36pt; line-height: normal\" class=\"MsoNormal\" align=\"justify\">\n<span style=\"font-size: 10pt; font-family: Arial\">Thu\u1ed1c b\u1ea3o qu\u1ea3n l&acirc;m s\u1ea3n \u0111\u01b0\u1ee3c d&ugrave;ng \u1edf Vi\u1ec7t Nam v&agrave; tr&ecirc;n th\u1ebf<br \/>\ngi\u1edbi h\u1ea7u h\u1ebft l&agrave; h\u1ed7n h\u1ee3p c&aacute;c h&oacute;a ch\u1ea5t v&ocirc; c\u01a1 ho\u1eb7c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 t\u1ed5ng h\u1ee3p trong<br \/>\nc&ocirc;ng nghi\u1ec7p h&oacute;a h\u1ecdc. Tuy nhi&ecirc;n, m\u1ed9t s\u1ed1 h&oacute;a ch\u1ea5t do \u0111\u1ed9c t\u1ed1 cao v\u1edbi con ng\u01b0\u1eddi v&agrave;<br \/>\nm&ocirc;i tr\u01b0\u1eddng s\u1ed1ng n&ecirc;n \u0111&atilde; b\u1ecb c\u1ea5m s\u1eed d\u1ee5ng tr&ecirc;n ph\u1ea1m vi to&agrave;n c\u1ea7u. \u0110&acirc;y ch&iacute;nh l&agrave; l&yacute; do<br \/>\nth&uacute;c \u0111\u1ea9y c&ocirc;ng t&aacute;c nghi&ecirc;n c\u1ee9u t&igrave;m ki\u1ebfm nh\u1eefng h\u1ee3p ch\u1ea5t ngu\u1ed3n g\u1ed1c sinh h\u1ecdc v\u1eeba c&oacute;<br \/>\nt&iacute;nh n\u0103ng ph&ograve;ng tr\u1eeb sinh v\u1eadt h\u1ea1i l&acirc;m s\u1ea3n v\u1eeba \u0111&aacute;p \u1ee9ng \u0111\u01b0\u1ee3c ti&ecirc;u ch&iacute; an to&agrave;n.<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9844"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=9844"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9844\/revisions"}],"predecessor-version":[{"id":11294,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9844\/revisions\/11294"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}