{"id":9901,"date":"2012-10-31T06:58:22","date_gmt":"2012-10-30T23:58:22","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/10\/ket-qua-nghien-cuu-buoc-dau-ve-thanh-phan-hoa-hoc-cua-dau-hat-lai-aleurites-molucana\/"},"modified":"2015-05-19T14:19:58","modified_gmt":"2015-05-19T07:19:58","slug":"ket-qua-nghien-cuu-buoc-dau-ve-thanh-phan-hoa-hoc-cua-dau-hat-lai-aleurites-molucana","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ket-qua-nghien-cuu-buoc-dau-ve-thanh-phan-hoa-hoc-cua-dau-hat-lai-aleurites-molucana\/","title":{"rendered":"K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u b\u01b0\u1edbc \u0111\u1ea7u v\u1ec1 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a d\u1ea7u h\u1ea1t Lai (Aleurites molucana)"},"content":{"rendered":"

L\u01b0\u01a1ng V\u0103n Ti\u1ebfn, V\u0169 Ho\u00e0ng Ph\u01b0\u01a1ng, Ho\u00e0ng V\u0103n Th\u1eafng <\/strong><\/h4>\n

Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/h4>\n

T\u00d3M T\u1eaeT<\/h2>\n

C\u00e2y Lai (Aleurites moluccana<\/em>) l\u00e0 lo\u00e0i c\u00e2y g\u1ed7 l\u1edbn \u0111a t\u00e1c d\u1ee5ng, c\u00f3 ph\u00e2n b\u1ed1 r\u1ed9ng t\u1eeb c\u00e1c t\u1ec9nh ph\u00eda B\u1eafc \u0111\u1ebfn c\u00e1c t\u1ec9nh T\u00e2y Nguy\u00ean. D\u1ea7u \u00e9p t\u1eeb h\u1ea1t Lai c\u00f3 gi\u00e1 tr\u1ecb dinh d\u01b0\u1ee1ng cao, t\u1ea1i m\u1ed9t s\u1ed1 n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi nh\u01b0 Hawai, \u00dac, Malaysia, d\u1ea7u Lai \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m. C\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u ban \u0111\u1ea7u v\u1ec1 t\u00e1ch d\u1ea7u t\u1eeb h\u1ea1t v\u00e0 x\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a d\u1ea7u Lai ph\u00e2n b\u1ed1 t\u1ea1i ba v\u00f9ng \u0110\u00f4ng B\u1eafc, B\u1eafc Trung B\u1ed9 v\u00e0 T\u00e2y Nguy\u00ean cho th\u1ea5y h\u00e0m l\u01b0\u1ee3ng axit linoleic (axit omega- 6) chi\u1ebfm 32\u201340%, h\u00e0m l\u01b0\u1ee3ng axit linolenic (\u03b1- linoleic) 22 \u2013 26%, h\u00e0ml\u01b0\u1ee3ng axit oleic 22 \u201338%, t\u1ed5ng h\u00e0m l\u01b0\u1ee3ng axit b\u00e9o b\u00e3o ho\u00e0 th\u1ea5p d\u01b0\u1edbi 12%; ngo\u00e0i c\u00e1c axit b\u00e9o b\u00e3o ho\u00e0 v\u00e0 ch\u01b0a b\u00e3o ho\u00e0 c\u00f2n c\u00f3 m\u1eb7t c\u00e1c alcaloid, terpennoid, flavonoid. D\u1ea7u Lai c\u00f3 ch\u1ec9 s\u1ed1 axit th\u1ea5p, ch\u1ec9 s\u1ed1 iode t\u01b0\u01a1ng \u0111\u1ed1i cao (115), \u0111\u1ed9 nh\u1edbt th\u1ea5p (45 cP), l\u00e0 lo\u1ea1i d\u1ea7u d\u1ec5 ester h\u00f3a \u0111\u1ec3 l\u00e0m nguy\u00ean li\u1ec7u cho s\u1ea3n xu\u1ea5t biodiesel. C\u00e1c k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch cho th\u1ea5y c\u00f3 th\u1ec3 coi d\u1ea7u Lai l\u00e0 m\u1ed9t ngu\u1ed3n nguy\u00ean li\u1ec7u d\u1ea7u th\u1ef1c v\u1eadt quan tr\u1ecdng trong t\u01b0\u01a1ng lai.<\/p>\n

T\u1eeb kho\u00e1<\/strong>: D\u1ea7u Lai, Aleurites<\/em> moluccana<\/em>, Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc.<\/p>\n

 <\/p>\n

\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong><\/p>\n

C\u00e2y Lai (Aleurites moluccana)<\/em>, h\u1ecd Th\u1ea7u d\u1ea7u (Euphorbiaceae) l\u00e0 lo\u00e0i c\u00e2y nhi\u1ec7t \u0111\u1edbi, ph\u00e2n b\u1ed1 r\u1ed9ng r\u00e3i \u1edf \u0110\u00f4ng Nam \u00c1, Trung Qu\u1ed1c, Philippin, \u1ea4n \u0110\u1ed9, Malaysia, M\u1ef9, \u00dac. C\u00e2y Lai \u0111\u01b0\u1ee3c bi\u1ebft nh\u01b0 lo\u00e0i c\u00e2y \u0111a t\u00e1c d\u1ee5ng. H\u1ea1t Lai d\u00f9ng \u0111\u1ec3 \u0103n, \u00e9p d\u1ea7u d\u00f9ng trong c\u00f4ng nghi\u1ec7p x\u00e0 ph\u00f2ng, m\u1ef9 ph\u1ea9m, ch\u1ebf d\u1ea7u nh\u1eddn, th\u1eafp s\u00e1ng, l\u00e0m s\u01a1n, verni. Kh\u00f4 d\u1ea7u \u0111\u01b0\u1ee3c kh\u1eed \u0111\u1ed9c d\u00f9ng l\u00e0m th\u1ee9c \u0103n ch\u0103n nu\u00f4i. M\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn c\u1ee7a c\u00e2y \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m thu\u1ed1c ch\u1eefa b\u1ec7nh nh\u01b0 l\u00e1, hoa, nh\u1ef1a ti\u1ebft ra t\u1eeb c\u00e0nh non. G\u1ed7 \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m nh\u00e0, \u0111\u00f3ng \u0111\u1ed3 m\u1ed9c. C\u00e2y c\u00f2n \u0111\u01b0\u1ee3c tr\u1ed3ng l\u00e0m c\u1ea3nh, c\u00e2y b\u00f3ng m\u00e1t.<\/p>\n

Ph\u1ea7n quan tr\u1ecdng nh\u1ea5t c\u1ee7a c\u00e2y Lai l\u00e0 d\u1ea7u \u00e9p t\u1eeb h\u1ea1t. Theo c\u00e1c t\u00e0i li\u1ec7u nghi\u00ean c\u1ee9u n\u01b0\u1edbc ngo\u00e0i \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1, d\u1ea7u chi\u1ebft b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p Sochxlet trong dung m\u00f4i n-hexan, x\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n d\u1ea7u b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p s\u1eafc k\u00fd kh\u00ed\/kh\u1ed1i ph\u1ed5 (GC\/MS), trong d\u1ea7u Lai c\u00f3 kho\u1ea3ng 13 axit b\u00e9o no v\u00e0 kh\u00f4ng no, chi\u1ebfm 92% kh\u1ed1i l\u01b0\u1ee3ng, bao g\u1ed3m: myristic, palmitic, palmitoleic, heptadecanoic, heptadecenoic, stearic, oleic, linoleic, arachidic,eicosenoic, behenic, lignoceric. Trong d\u1ea7u Lai, ngo\u00e0i th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c axit b\u00e9o, ph\u1ea7n c\u00f2n l\u1ea1i bao g\u1ed3m c\u00e1c saponin, terpenoidv\u00e0 c\u00e1c peroxides.<\/p>\n

D\u1ea7u \u00e9p t\u1eeb h\u1ea1t Lai l\u00e0 lo\u1ea1i d\u1ea7u c\u00f3 gi\u00e1 tr\u1ecb dinh d\u01b0\u1ee1ng v\u00ec c\u00f3 h\u00e0m l\u01b0\u1ee3ng axit b\u00e9o ch\u01b0a b\u00e3o h\u00f2a cao, \u0111\u1eb7c bi\u1ec7t trong \u0111\u00f3 h\u00e0m l\u01b0\u1ee3ng linoleic v\u00e0 \u03b1- linoleic (c\u00f2n g\u1ecdi l\u00e0 axit omega -6) \u0111\u1ea1t t\u1edbi tr\u00ean 60%, \u0111\u00e2y l\u00e0 nh\u1eefng axit ho\u00e0n to\u00e0n kh\u00f4ng th\u1ec3 thi\u1ebfu cho qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t \u1edf nh\u1eefng c\u01a1 th\u1ec3 \u0111\u1ed9ng v\u1eadt kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 sinh ra axit n\u00e0y. Axit linoleic c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong d\u01b0\u1ee3c ph\u1ea9m \u0111\u1ec3 ch\u1ebf t\u1ea1o thu\u1ed1c ng\u0103n ng\u1eeba m\u1ed9t s\u1ed1 b\u1ec7nh nh\u01b0 ung th\u01b0, ti\u1ec3u \u0111\u01b0\u1eddng, x\u01a1 v\u1eefa \u0111\u1ed9ng m\u1ea1ch,….v\u00e0 s\u1eed d\u1ee5ng trongm\u1ef9 ph\u1ea9m, l\u00e0m x\u00e0 ph\u00f2ng, ch\u1ea5t nh\u0169 h\u00f3a, m\u1ef9 ph\u1ea9m.<\/p>\n

\u1ede Vi\u1ec7t Nam, lo\u00e0i c\u00e2y Lai c\u00f3 ph\u1ea1m vi ph\u00e2n b\u1ed1 kh\u00e1 r\u1ed9ng, t\u1eeb c\u00e1c t\u1ec9nh ph\u00eda B\u1eafc \u0111\u1ebfn c\u00e1c t\u1ec9nh T\u00e2y Nguy\u00ean. Ng\u01b0\u1eddi d\u00e2n c\u00e1c \u0111\u1ecba ph\u01b0\u01a1ng t\u1eeb l\u00e2u \u0111\u00e3 bi\u1ebft s\u1eed d\u1ee5ng nh\u1eefng s\u1ea3n ph\u1ea9m t\u1eeb c\u00e2y Lai nh\u01b0 d\u1ea7u \u00e9p t\u1eeb h\u1ea1t l\u00e0m th\u1ef1c ph\u1ea9m, d\u00f9ng l\u00e1 non v\u00e0 v\u1ecf th\u00e2n l\u00e0m thu\u1ed1c ch\u1eefa b\u1ec7nh, nh\u01b0ng cho \u0111\u1ebfn nay nh\u1eefng nghi\u00ean c\u1ee9u v\u1ec1 lo\u00e0i c\u00e2y n\u00e0y, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng nghi\u00ean c\u1ee9u v\u1ec1 th\u00e0nh ph\u1ea7n ho\u1ea1t ch\u1ea5t c\u1ee7a d\u1ea7u h\u1ea1t ch\u01b0a \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch \u0111\u1ea7y \u0111\u1ee7. \u0110\u1ec1 t\u00e0i “Nghi\u00ean c\u1ee9u ch\u1ecdn gi\u1ed1ng v\u00e0 k\u1ef9 thu\u1eadt tr\u1ed3ng c\u00e2y Lai (Aleurites moluccana)<\/em> \u1edf T\u00e2y Nguy\u00ean, B\u1eafc Trung B\u1ed9 v\u00e0 \u0110\u00f4ng B\u1eafc theo h\u01b0\u1edbng l\u1ea5y qu\u1ea3” do TSKH. L\u01b0\u01a1ng V\u0103n Ti\u1ebfn, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam ch\u1ee7 tr\u00ec \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n, v\u1edbi m\u1ee5c \u0111\u00edch x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c bi\u1ec7n ph\u00e1p g\u00e2y tr\u1ed3ng ph\u00f9 h\u1ee3p, \u0111\u1ed3ng th\u1eddi x\u00e1c \u0111\u1ecbnh c\u00e1c gi\u1ed1ng Lai c\u00f3 n\u0103ng su\u1ea5t qu\u1ea3, h\u00e0m l\u01b0\u1ee3ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng d\u1ea7u cao. K\u1ebft qu\u1ea3 ph\u00e2n t\u00edch d\u1ea7u trong h\u1ea1t t\u1eeb c\u00e1c c\u00e2y tr\u1ed9i \u1edf ba v\u00f9ng sinh th\u00e1i cho th\u1ea5y th\u00e0nh ph\u1ea7n c\u00e1c ho\u1ea1t ch\u1ea5t kh\u00e1 phong ph\u00fa, \u0111\u1eb7c bi\u1ec7t t\u1ed5ng h\u00e0m l\u01b0\u1ee3ng c\u00e1c axit b\u00e9o ch\u01b0a b\u00e3o ho\u00e0 l\u00ean \u0111\u1ebfn tr\u00ean 80%. B\u00e0i b\u00e1o n\u00e0y s\u1ebd cung c\u1ea5p c\u00e1c th\u00f4ng tinban \u0111\u1ea7u v\u1ec1 t\u00e1ch d\u1ea7u t\u1eeb h\u1ea1t Lai v\u00e0 x\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n ho\u00e1 h\u1ecdc c\u1ee7a d\u1ea7u thu \u0111\u01b0\u1ee3c.<\/p>\n

(T\u1ea1p ch\u00ed Khoa h\u1ecdc L\u00e2m nghi\u1ec7p s\u1ed1 2 n\u0103m 2012, trang 2273-2279)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

<\/p>\n

\nCây Lai (Aleurites moluccana)<\/em>, h\u1ecd Th\u1ea7u d\u1ea7u (Euphorbiaceae) là loài cây nhi\u1ec7t
\n\u0111\u1edbi, phân b\u1ed1 r\u1ed9ng rãi \u1edf \u0110ông Nam Á, Trung Qu\u1ed1c, Philippin, \u1ea4n \u0110\u1ed9, Malaysia, M\u1ef9,
\nÚc. Cây Lai \u0111\u01b0\u1ee3c bi\u1ebft nh\u01b0 loài cây \u0111a tác d\u1ee5ng. H\u1ea1t Lai dùng \u0111\u1ec3 \u0103n, ép d\u1ea7u dùng
\ntrong công nghi\u1ec7p xà phòng, m\u1ef9 ph\u1ea9m, ch\u1ebf d\u1ea7u nh\u1eddn, th\u1eafp sáng, làm s\u01a1n, verni.
\nKhô d\u1ea7u \u0111\u01b0\u1ee3c kh\u1eed \u0111\u1ed9c dùng làm th\u1ee9c \u0103n ch\u0103n nuôi. M\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn c\u1ee7a cây \u0111\u01b0\u1ee3c
\ndùng làm thu\u1ed1c ch\u1eefa b\u1ec7nh nh\u01b0 lá, hoa, nh\u1ef1a ti\u1ebft ra t\u1eeb cành non. G\u1ed7 \u0111\u01b0\u1ee3c dùng
\nlàm nhà, \u0111óng \u0111\u1ed3 m\u1ed9c. Cây còn \u0111\u01b0\u1ee3c tr\u1ed3ng làm c\u1ea3nh, cây bóng mát. <\/span>\n<\/p>\n

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