{"id":8953,"date":"2007-06-22T03:55:12","date_gmt":"2007-06-21T20:55:12","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2007\/06\/ket-qua-phan-tich-hoa-hoc-dau-vo-hat-dieu-da-hoat-hoa-tao-thuoc-bao-quan-lam-san\/"},"modified":"2013-10-06T09:00:55","modified_gmt":"2013-10-06T02:00:55","slug":"ket-qua-phan-tich-hoa-hoc-dau-vo-hat-dieu-da-hoat-hoa-tao-thuoc-bao-quan-lam-san","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ket-qua-phan-tich-hoa-hoc-dau-vo-hat-dieu-da-hoat-hoa-tao-thuoc-bao-quan-lam-san\/","title":{"rendered":"K\u1ebft qu\u1ea3 ph\u00e2n t\u00edch ho\u00e1 h\u1ecdc d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u \u0111\u00e3 ho\u1ea1t ho\u00e1 t\u1ea1o thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n"},"content":{"rendered":"

B\u00f9i V\u0103n \u00c1i<\/strong><\/em> <\/p>\n

Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em> <\/p>\n

T\u00d3M T\u1eaeT<\/strong> <\/p>\n

<\/strong>D\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u l\u00e0 ngu\u1ed3n nguy\u00ean li\u1ec7u th\u1ef1c v\u1eadt s\u1eb5n c\u00f3 c\u1ee7a n\u01b0\u1edbc ta. Th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a d\u1ea7u g\u1ed3m c\u00e1c h\u1ee3p ch\u1ea5t phenol t\u1ef1 nhi\u00ean, c\u00f3 kh\u1ea3 n\u0103ng ph\u00f2ng ch\u1ed1ng c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i. Trong c\u00e1c nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u t\u1ea1o thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n, \u0111\u1ec3 l\u00e0m t\u0103ng th\u00eam t\u00ednh kh\u00e1ng c\u00f4n tr\u00f9ng, d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u \u0111\u01b0\u1ee3c x\u1ee5c kh\u00ed Clo trong th\u00e1p c\u00f3 \u0111\u1ec7m tr\u01a1. B\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch ph\u00f9 h\u1ee3p, \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t m\u1edbi trong d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u nguy\u00ean li\u1ec7u v\u00e0 s\u1ef1 thay \u0111\u1ed5i c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n h\u1ee3p ch\u1ea5t trong d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u sau x\u1ee5c kh\u00ed Clo. <\/strong> <\/p>\n

M\u1ede \u0110\u1ea6U<\/strong> <\/p>\n

<\/strong>C\u00e2y \u0110i\u1ec1u c\u00f3 t\u00ean khoa h\u1ecdc l\u00e0 anacardium occidentale. L.<\/em> \u0111ang \u0111\u00f3ng vai tr\u00f2 n\u1ed5i b\u1eadt trong chuy\u1ec3n \u0111\u1ed5i c\u01a1 c\u1ea5u c\u00e2y tr\u1ed3ng v\u00e0 xo\u00e1 \u0111\u00f3i gi\u1ea3m ngh\u00e8o cho c\u00e1c t\u1ec9nh \u1edf T\u00e2y Nguy\u00ean v\u00e0 mi\u1ec1n Trung n\u01b0\u1edbc ta. S\u1ea3n ph\u1ea9m ch\u1ee7 y\u1ebfu c\u1ee7a c\u00e2y \u0110i\u1ec1u l\u00e0 h\u1ea1t \u0110i\u1ec1u \u0111\u01b0\u1ee3c th\u1ecb tr\u01b0\u1eddng trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc r\u1ea5t \u01b0a chu\u1ed9ng, v\u00ec \u0111\u00f3 l\u00e0 ngu\u1ed3n th\u1ef1c ph\u1ea9m b\u1ed5 d\u01b0\u1ee1ng v\u00e0 an to\u00e0n v\u1ec7 sinh th\u1ef1c ph\u1ea9m. V\u1edbi s\u1ea3n l\u01b0\u1ee3ng v\u00e0 di\u1ec7n t\u00edch tr\u1ed3ng \u0110i\u1ec1u ng\u00e0y m\u1ed9t t\u0103ng, hi\u1ec7n nay Vi\u1ec7t Nam l\u00e0 m\u1ed9t trong nh\u1eefng n\u01b0\u1edbc s\u1ea3n xu\u1ea5t v\u00e0 xu\u1ea5t kh\u1ea9u h\u1ea1t \u0111i\u1ec1u l\u1edbn nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi[ 3 ]. \u0110\u1ec3 n\u00e2ng cao gi\u00e1 tr\u1ecb kinh t\u1ebf t\u1eeb c\u00e2y \u0110i\u1ec1u, c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ee5 nh\u01b0 tr\u00e1i \u0110i\u1ec1u, d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u \u0111ang thu h\u00fat s\u1ef1 quan t\u00e2m nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng c\u1ee7a nhi\u1ec1u ng\u00e0nh kinh t\u1ebf.D\u1ea7u v\u1ecf h\u1ea1t \u0111i\u1ec1u g\u1ed3m c\u00e1c h\u1ee3p ch\u1ea5t phenol t\u1ef1 nhi\u00ean[4]. Khi t\u1ed3n t\u1ea1i trong v\u1ecf h\u1ea1t \u0110i\u1ec1u, d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u c\u00f3 vai tr\u00f2 b\u1ea3o v\u1ec7 nh\u00e2n \u0110i\u1ec1u b\u00ean trong ch\u1ed1ng l\u1ea1i s\u1ef1 t\u1ea5n c\u00f4ng c\u1ee7a c\u00e1c sinh v\u1eadt g\u00e2y h\u1ea1i. L\u1ee3i d\u1ee5ng \u0111\u1eb7c t\u00ednh n\u00e0y c\u1ee7a d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u, ph\u00f2ng B\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n thu\u1ed9c Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 nghi\u00ean c\u1ee9u \u0111\u00e1nh gi\u00e1 hi\u1ec7u l\u1ef1c c\u1ee7a d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u \u0111\u1ed1i v\u1edbi c\u00f4n tr\u00f9ng v\u00e0 n\u1ea5m g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho bi\u1ebft d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u c\u00f3 hi\u1ec7u l\u1ef1c t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t \u0111\u1ed1i v\u1edbi c\u00f4n tr\u00f9ng nh\u01b0ng hi\u1ec7u l\u1ef1c \u0111\u1ed1i v\u1edbi n\u1ea5m g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n ch\u01b0a cao [ 1,2 ]. Nh\u1eefng k\u1ebft qu\u1ea3 b\u01b0\u1edbc \u0111\u1ea7u \u0111\u00f3 \u0111\u00e3 t\u1ea1o ti\u1ec1n \u0111\u1ec1 cho vi\u1ec7c ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u n\u00e2ng cao hi\u1ec7u l\u1ef1cb\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n c\u1ee7a d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u.M\u1ed9t trong nh\u1eefng h\u01b0\u1edbng nghi\u00ean c\u1ee9u n\u00e2ng cao hi\u1ec7u l\u1ef1c c\u1ee7a d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u \u0111\u00e3 \u00e1p d\u1ee5ng l\u00e0 x\u1ee5c kh\u00ed Clo cho d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u trong th\u00e1p c\u00f3 \u0111\u1ec7m tr\u01a1 theo c\u00e1c m\u1ee9c th\u1eddi gian kh\u00e1c nhau. K\u1ebft qu\u1ea3 l\u00e0 trong th\u1eddi gian 10 ph\u00fat hi\u1ec7u l\u1ef1c ph\u00f2ng ch\u1ed1ng c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n t\u0103ng r\u00f5 r\u1ec7t [2].Nh\u01b0 v\u1eady, trong qu\u00e1 tr\u00ecnh x\u1ee5c kh\u00ed Clo, t\u00ednh ch\u1ea5t ho\u00e1 h\u1ecdc c\u1ee7a d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u \u0111\u00e3 c\u00f3 s\u1ef1 thay \u0111\u1ed5i, t\u1eeb \u0111\u00f3 l\u00e0m t\u0103ng t\u00ednh \u0111\u1ed9c \u0111\u1ed1i v\u1edbi c\u00f4n tr\u00f9ng h\u1ea1i l\u00e2m s\u1ea3n. \u0110\u01b0\u1ee3c s\u1ef1 c\u1ed9ng t\u00e1c c\u1ee7a Vi\u1ec7n Ho\u00e1 h\u1ecdc ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n ho\u00e1 h\u1ecdc c\u1ee7a d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u tr\u01b0\u1edbc v\u00e0 sau x\u1ee5c kh\u00ed Clo \u0111\u1ec3 l\u00e0mc\u01a1 s\u1edf khoa h\u1ecdc cho nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u t\u1ea1o thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n. <\/p>\n

C\u1eadp nh\u1eadt t\u1ea1i \u0111\u00e2y<\/strong><\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"

         D\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u là ngu\u1ed3n nguyên li\u1ec7u th\u1ef1c v\u1eadt s\u1eb5n có c\u1ee7a n\u01b0\u1edbc ta. Thành ph\u1ea7n chính c\u1ee7a d\u1ea7u g\u1ed3m các h\u1ee3p ch\u1ea5t phenol t\u1ef1 nhiên, có kh\u1ea3 n\u0103ng phòng ch\u1ed1ng côn trùng gây h\u1ea1i. Trong các nghiên c\u1ee9u s\u1eed d\u1ee5ng d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u t\u1ea1o thu\u1ed1c b\u1ea3o qu\u1ea3n lâm s\u1ea3n, \u0111\u1ec3 làm t\u0103ng thêm tính kháng côn trùng, d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u \u0111\u01b0\u1ee3c x\u1ee5c khí Clo trong tháp có \u0111\u1ec7m tr\u01a1. B\u1eb1ng ph\u01b0\u01a1ng pháp phân tích phù h\u1ee3p, \u0111ã xác \u0111\u1ecbnh \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t m\u1edbi trong d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u nguyên li\u1ec7u và s\u1ef1 thay \u0111\u1ed5i c\u1ee7a các thành ph\u1ea7n h\u1ee3p ch\u1ea5t trong d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u sau x\u1ee5c khí Clo. <\/font><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8953"}],"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=8953"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8953\/revisions"}],"predecessor-version":[{"id":10409,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8953\/revisions\/10409"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=8953"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=8953"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=8953"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}