{"id":8646,"date":"2009-03-24T02:34:47","date_gmt":"2009-03-23T19:34:47","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/03\/danh-gia-ham-long-va-chat-long-tinh-dau-tram-melaleuca-theo-loai-va-xuat-xu\/"},"modified":"2019-09-25T10:06:38","modified_gmt":"2019-09-25T03:06:38","slug":"danh-gia-ham-long-va-chat-long-tinh-dau-tram-melaleuca-theo-loai-va-xuat-xu","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/danh-gia-ham-long-va-chat-long-tinh-dau-tram-melaleuca-theo-loai-va-xuat-xu\/","title":{"rendered":"\u0110\u00e1NH gi\u00e1 H\u00e0M L\u1ee3NG V\u00e0 CH\u1ea5T L\u1ee3NG TINH D\u1ea7U TR\u00e0M ( MELALEUCA) THEO LO\u00e0I V\u00e0 XU\u1ea5T X\u1ee9"},"content":{"rendered":"

Ph\u00f9ng C\u1ea9m Th\u1ea1ch, Nguy\u1ec5n Th\u1ecb H\u1ea3i H\u1ed3ng, Ph\u1ea1m Th\u1ecb Th\u00f9y H\u00ad\u01a1ng<\/em><\/strong><\/p>\n

Ph\u00e2n Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Nam b\u1ed9<\/em><\/p>\n

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

Tinh d\u1ea7u n\u00f3i chung v\u00e0 tinh d\u1ea7u Tr\u00e0m n\u00f3i ri\u00eang, t\u1eeb xa x\u00ada \u0111\u00e3 \u0111\u00ad\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t r\u1ed9ng r\u00e3i trong c\u00f4ng ngh\u1ec7 d\u00ad\u1ee3c ph\u1ea9m v\u00e0 m\u1ef9 ph\u1ea9m. Tinh d\u1ea7u Tr\u00e0m (Melaleuca<\/em>) \u0111\u00ad\u1ee3c d\u00f9ng trong d\u00ad\u1ee3c li\u1ec7u l\u00e0m ch\u1ea5t s\u00e1t tr\u00f9ng m\u1ea1nh, ch\u1ed1ng vi\u00eam, xoa b\u00f3p tr\u1ecb \u0111au nh\u1ee9c\u2026 Ngo\u00e0i ra, tinh d\u1ea7u tr\u00e0m c\u00f2n \u0111\u00ad\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh h\u00ad\u01a1ng li\u1ec7u v\u00e0 m\u1ef9 ph\u1ea9m.<\/p>\n

V\u00f9ng \u0111\u1ea5t ph\u00e8n \u0111\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long l\u00e2u nay \u0111\u00e3 c\u00f3 ngh\u1ec1 ch\u00adng c\u1ea5t tinh d\u1ea7u t\u1eeb c\u00e2y Tr\u00e0m gi\u00f3 (M. cajuputi<\/em>) nh\u00adng gi\u00e1 tr\u1ecb kinh t\u1ebf c\u00f2n th\u1ea5p. Vi\u1ec7c t\u00ecm ra lo\u00e0i Tr\u00e0m cho h\u00e0m l\u00ad\u1ee3ng tinh d\u1ea7u cao v\u00e0 ch\u1ea5t l\u00ad\u1ee3ng tinh d\u1ea7u t\u1ed1t l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ng\u00ad\u1eddi d\u00e2n \u1edf v\u00f9ng n\u00e0y. \u0110\u1ec1 t\u00e0i kh\u1ea3o nghi\u1ec7m c\u00e1c xu\u1ea5t x\u1ee9 Tr\u00e0m \u1edf \u0111\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long t\u1ea1i Th\u1ea1nh Ho\u00e1 \u2013 Long An v\u00e0 m\u1ed9t s\u1ed1 v\u00f9ng kh\u00e1c \u0111\u00e3 ch\u1ecdn \u0111\u00ad\u1ee3c 12 xu\u1ea5t x\u1ee9 (trong 36 xu\u1ea5t x\u1ee9) thu\u1ed9c 9 lo\u00e0i \u0111\u00ad\u1ee3c du nh\u1eadp t\u1eeb\u00facc\u00f3 tri\u1ec3n v\u1ecdng v\u1ec1 \u00adu th\u1ebf sinh tr\u00ad\u1edfng, \u0111\u1ed9 th\u1eb3ng th\u00e2n, t\u1ef7 l\u1ec7 s\u1ed1ng. \u0110\u1ec3 \u0111\u00e1nh gi\u00e1 th\u00eam v\u1ec1 gi\u00e1 tr\u1ecb kinh t\u1ebf c\u1ee7a c\u00e1c lo\u00e0i v\u00e0 xu\u1ea5t x\u1ee9 Tr\u00e0m \u00fac\u0111\u00e3 kh\u1ea3o nghi\u1ec7m, c\u1ea7n \u0111\u00e1nh gi\u00e1 th\u00eam v\u1ec1 gi\u00e1 tr\u1ecb tinh d\u1ea7u (ngo\u00e0i gi\u00e1 tr\u1ecb g\u1ed7) th\u00f4ng qua h\u00e0m l\u00ad\u1ee3ng v\u00e0 ch\u1ea5t l\u00ad\u1ee3ng tinh d\u1ea7u, nh\u1eb1m n\u00e2ng cao gi\u00e1 tr\u1ecb kinh t\u1ebf c\u1ee7a c\u00e2y Tr\u00e0m, t\u1ea1o th\u00eam m\u1ed9t ng\u00e0nh ngh\u1ec1 ph\u1ee5 t\u1ea1o thu nh\u1eadp cho ng\u00ad\u1eddi d\u00e2n s\u1ed1ng \u1edf v\u00f9ng \u0111\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long.<\/p>\n

I. V\u1eadt li\u1ec7u v\u00e0 ph\u00ad\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u.<\/strong><\/p>\n

1. V\u1eadt li\u1ec7u th\u00ed nghi\u1ec7m.<\/em><\/strong><\/p>\n

L\u00e1 c\u1ee7a 9 lo\u00e0i v\u00e0 36 xu\u1ea5t x\u1ee9 Tr\u00e0m \u0111\u00e3 tr\u1ed3ng kh\u1ea3o nghi\u1ec7m t\u1eeb n\u0103m 1994 (6 tu\u1ed5i) trong l\u00f4 13 t\u1ea1i tr\u1ea1m th\u00ed nghi\u1ec7m L\u00e2m nghi\u1ec7p Th\u1ea1nh H\u00f3a \u2013 Long An, \u0111\u00f3 l\u00e0:<\/p>\n

– M.cajuputi<\/em>: 5 xu\u1ea5t x\u1ee9 \u00fac(7a01, 7a02, 7a03, 7a04, 7a05). 7 xu\u1ea5t x\u1ee9 Vi\u1ec7t Nam (7v02, 7v03, 7v04, 7v05, 7v06, 7v07, 7v08).<\/p>\n

– M.leucadendra<\/em>: 5 xu\u1ea5t x\u1ee9 (1201, 1205, 1206, 1207, 1208)<\/p>\n

– M.viridiflora <\/em>: 5 xu\u1ea5t x\u1ee9 (1701, 1703, 1704, 1705, 1706)<\/p>\n

– M.argentea<\/em>: 3 xu\u1ea5t x\u1ee9 (0505,0604,0503)<\/p>\n

– M.dealbata<\/em>: 3 xu\u1ea5t x\u1ee9 (1004, 1001, 1003)<\/p>\n

– M.fluviatis<\/em>: 2 xu\u1ea5t x\u1ee9 (1102, 1101)<\/p>\n

– M.quiquenervia<\/em>: 3 xu\u1ea5t x\u1ee9 (1301, 1302, 1303)<\/p>\n

– M.saligna<\/em>: 2 xu\u1ea5t x\u1ee9 (1401, 1402)<\/p>\n

– M.stenostachya<\/em>: 1 xu\u1ea5t x\u1ee9 (1601).<\/p>\n

2. Ph\u00ad\u01a1ng ph\u00e1p th\u00ed nghi\u1ec7m<\/em><\/strong><\/p>\n

2.1. \u0110i\u1ec1u tra, kh\u1ea3o s\u00e1t<\/em><\/p>\n

Th\u00ed nghi\u1ec7m \u0111\u00ad\u1ee3c ti\u1ebfn h\u00e0nh t\u1ea1i \u00f4 5, c\u00f3 36 xu\u1ea5t x\u1ee9, \u0111o \u0111\u1ebfm chi\u1ec1u cao, \u0111\u00ad\u1eddng k\u00ednh c\u1ee7a 6 c\u00e2y tr\u00ean t\u1ed5ng s\u1ed1 10 \u2013 16 c\u00e2y\/m\u1ed7i xu\u1ea5t x\u1ee9, l\u1ea5y tr\u1ecb s\u1ed1 trung b\u00ecnh.<\/p>\n

2.2. \u0110\u00e1nh d\u1ea5u c\u00e2y th\u00ed nghi\u1ec7m<\/em><\/p>\n

M\u1ed7i xu\u1ea5t x\u1ee9 \u0111\u00e1nh d\u1ea5u 9 c\u00e2y (\u0111\u1ea1i di\u1ec7n ng\u1eabu nhi\u00ean cho m\u1ed7i xu\u1ea5t x\u1ee9), h\u00e1i c\u00e0nh v\u00e0 l\u00e1 c\u1ee7a 9 c\u00e2y \u0111\u00f3 (c\u1ea3 l\u00e1 non v\u00e0 l\u00e1 gi\u00e0), \u0111\u00ada v\u1ec1 ph\u00f2ng th\u00ed nghi\u1ec7m, ng\u1eaft l\u00e1, b\u1ecf c\u00e0nh tr\u1ed9n \u0111\u1ec1u, c\u00e2n 4 m\u1eabu l\u1eb7p l\u1ea1i 4 l\u1ea7n, m\u1ed7i m\u1eabu 200g l\u00e1, th\u00e1i nh\u1ecf, tr\u1ed9n \u0111\u1ec1u \u0111\u1ec3 c\u1ea5t tinh d\u1ea7u v\u00e0 c\u00e2n m\u1eabu x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 \u1ea9m c\u1ee7a l\u00e1.<\/p>\n

2.3. C\u1ea5t tinh d\u1ea7u.<\/em><\/p>\n

Theo ph\u00ad\u01a1ng ph\u00e1p l\u00f4i cu\u1ed1n h\u01a1i n\u00ad\u1edbc: L\u00e1 c\u1eaft nh\u1ecf, cho v\u00e0o b\u00ecnh c\u1ea7u, th\u00eam 200ml n\u00ad\u1edbc, \u0111un tr\u00ean b\u1ebfp, tinh d\u1ea7u v\u00e0 n\u00ad\u1edbc \u0111\u00ad\u1ee3c k\u00e9o l\u00ean, qua sinh h\u00e0n l\u00e0m l\u1ea1nh, ng\u00adng t\u1ee5 l\u1ea1i c\u1ed9t c\u1ea5t c\u00f3 chia \u0111\u1ed9 (th\u1eddi gian c\u1ea5t: th\u00ad\u1eddng 2 gi\u1edd th\u00ec h\u00e0m l\u00ad\u1ee3ng tinh d\u1ea7u kh\u00f4ng thay \u0111\u1ed5i), \u0111\u1ecdc s\u1ed1 ml tinh d\u1ea7u n\u1ed5i b\u00ean tr\u00ean, t\u00e1ch h\u1ebft ph\u1ea7n n\u00ad\u1edbc b\u1eb1ng \u1ed1ng h\u00fat v\u00e0 mu\u1ed1i. T\u00ednh % h\u00e0m l\u00ad\u1ee3ng tinh d\u1ea7u theo tr\u1ecdng l\u00ad\u1ee3ng t\u00ad\u01a1i v\u00e0 kh\u00f4 (c\u1ea5t tinh d\u1ea7u c\u1ee7a 36 xu\u1ea5t x\u1ee9).<\/p>\n

2.4. Kh\u1ea3o s\u00e1t h\u00e0m l\u00ad\u1ee3ng tinh d\u1ea7u theo \u0111\u1ed9ng th\u00e1i th\u1eddi gian.<\/em><\/p>\n

D\u00f9ng ph\u00ad\u01a1ng ph\u00e1p x\u1eed l\u00fd th\u1ed1ng k\u00ea, ch\u1ecdn 12 m\u1eabu (trong 36 xu\u1ea5t x\u1ee9) cho tinh d\u1ea7u t\u1eeb cao \u0111\u1ebfn th\u1ea5p theo t\u1ef7 l\u1ec7 % h\u00e0m l\u00ad\u1ee3ng tinh d\u1ea7u theo tr\u1ecdng l\u00ad\u1ee3ng t\u00ad\u01a1i.Ti\u1ebfp t\u1ee5c ph\u00e2n t\u00edch \u0111\u1ed9ng th\u00e1i h\u00e0m l\u00ad\u1ee3ng tinh d\u1ea7u qua c\u00e1c th\u00e1ng v\u00e0 hai m\u00f9a trong n\u0103m: th\u00e1ng 6,7,8 \u2013 M\u00f9a kh\u00f4. Th\u00e1ng 10,11,12 \u2013 M\u00f9a ng\u1eadp n\u00ad\u1edbc.<\/p>\n

2.5 Ph\u00e2n t\u00edch ch\u1ea5t l\u00ad\u1ee3ng tinh d\u1ea7u.<\/em><\/p>\n

L\u1ea5y tinh d\u1ea7u c\u1ee7a 12 xu\u1ea5t x\u1ee9 ch\u1ecdn, ph\u00e2n t\u00edch \u0111\u1ecbnh t\u00ednh b\u1eb1ng s\u1eafc k\u00fd kh\u00ed \u2013 Theo ph\u00ad\u01a1ng ph\u00e1p Gc \u2013 do Trung t\u00e2m D\u1ecbch v\u1ee5 Ph\u00e2n t\u00edch & Th\u00ed nghi\u1ec7m \u2013 S\u1edf KHCN & M\u00f4i tr\u00ad\u1eddng TP HCM v\u00e0 Vi\u1ec7n Nghi\u00ean c\u1ee9u D\u1ea7u th\u1ef1c v\u1eadt \u2013 Tinh d\u1ea7u \u2013 H\u00ad\u01a1ng li\u1ec7u m\u1ef9 ph\u1ea9m VN- B\u1ed9 C\u00f4ng nghi\u1ec7p ph\u00e2n t\u00edch, nh\u1eb1m x\u00e1c \u0111\u1ecbnh ch\u1ea5t l\u00ad\u1ee3ng tinh d\u1ea7u qua 2 ch\u1ec9 ti\u00eau ch\u00ednh trong tinh d\u1ea7u l\u00e0 1,8 Cineol v\u00e0 Terpinel-4-ol (ph\u00e2n t\u00edch 2 l\u1ea7n theo 2 m\u00f9a).<\/p>\n

2.6. \u0110\u1ec1 xu\u1ea5t ch\u1ecdn lo\u00e0i Tr\u00e0m c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf nh\u1ea5t<\/em><\/p>\n

D\u1ef1a v\u00e0o k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch ch\u1ea5t l\u00ad\u1ee3ng tinh d\u1ea7u c\u1ee7a 12 xu\u1ea5t x\u1ee9 ch\u1ecdn, tham kh\u1ea3o th\u00eam m\u1ed9t s\u1ed1 ch\u1ec9 ti\u00eau kinh t\u1ebf v\u1ec1 tinh d\u1ea7u c\u1ee7a c\u00e1c n\u01a1i, ti\u00eau chu\u1ea9n v\u1ec1 g\u1ed7 v\u00e0 gi\u00e1 g\u1ed7, l\u1ea5y t\u1ed5ng s\u1ed1 l\u00e1 khi khai th\u00e1c g\u1ed7 \u0111\u1ec3 t\u00ednh t\u1ed5ng s\u1ed1 tinh d\u1ea7u thu \u0111\u00ad\u1ee3c tr\u00ean m\u1ed9t c\u00e2y, t\u1eeb \u0111\u00f3 t\u00ednh t\u1ed5ng gi\u00e1 tr\u1ecb kinh t\u1ebf c\u1ee7a m\u1ed9t c\u00e2y Tr\u00e0m \u00fac(c\u1ea3 g\u1ed7 v\u00e0 tinh d\u1ea7u), t\u1ea1m th\u1eddi \u0111\u1ec1 xu\u1ea5t ch\u1ecdn lo\u00e0i Tr\u00e0m \u00facc\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 g\u1ed7 v\u00e0 tinh d\u1ea7u.<\/p>\n

II.K\u1ebft qu\u1ea3 v\u00e0 b\u00ecnh lu\u1eadn<\/strong><\/p>\n

1. X\u00e1c \u0111\u1ecbnh h\u00e0m l\u00ad\u1ee3ng tinh d\u1ea7u c\u1ee7a c\u00e1c lo\u00e0i v\u00e0 xu\u1ea5t x\u1ee9 kh\u1ea3o nghi\u1ec7m.<\/em><\/strong><\/p>\n

Qua s\u1ed1 li\u1ec7u ph\u00e2n t\u00edch h\u00e0m l\u00ad\u1ee3ng tinh d\u1ea7u c\u1ee7a 36 xu\u1ea5t x\u1ee9 thu\u1ed9c 9 lo\u00e0i Tr\u00e0m kh\u1ea3o nghi\u1ec7m (B\u1ea3ng 1) \u2013 Theo ph\u00ad\u01a1ng ph\u00e1p x\u1eed l\u00fd th\u1ed1ng k\u00ea x\u1eafp x\u1ebfp % h\u00e0m l\u00ad\u1ee3ng tinh d\u1ea7u t\u1eeb cao \u0111\u1ebfn th\u1ea5p: Ch\u1ecdn 12 xu\u1ea5t x\u1ee9 cho h\u00e0m l\u00ad\u1ee3ng tinh d\u1ea7u cao (t\u1eeb 1 \u2013 12) .<\/p>\n

B\u1ea3ng 1 X\u00e1c \u0111\u1ecbnh h\u00e0m l\u00ad\u1ee3ng % tinh d\u1ea7u theo tr\u1ecdng l\u00ad\u1ee3ng t\u00ad\u01a1i<\/em><\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
STT<\/strong><\/td>\nLo\u00e0i<\/strong><\/td>\nXu\u1ea5t x\u1ee9<\/strong><\/td>\nM\u00e3 s\u1ed1<\/strong><\/td>\nH\u00e0m l\u00ad\u1ee3ng % TD<\/strong><\/td>\nTB<\/strong><\/td>\n<\/tr>\n
L\u1ea7n 1<\/strong><\/td>\nL\u1ea7n 2<\/strong><\/td>\nL\u1ea7n 3<\/strong><\/td>\nL\u1ea7n 4<\/strong><\/td>\n% p t\u00ad\u01a1i<\/strong><\/td>\n<\/tr>\n
1<\/td>\nM.stenostacgya<\/em><\/td>\nBataviad.Qld<\/td>\n1601<\/td>\n1.35<\/td>\n1.40<\/td>\n1.50<\/td>\n1.30<\/td>\n1.39<\/td>\n<\/tr>\n
2<\/td>\nM.fluviatitis<\/em><\/td>\nWrocham pk Qld<\/td>\n1101<\/td>\n1.00<\/td>\n1.15<\/td>\n1.10<\/td>\n1.09<\/td>\n1.08<\/td>\n<\/tr>\n
3<\/td>\nM.quiquenervia<\/em><\/td>\nTozer\u2019s Gap Qld<\/td>\n1302<\/td>\n1.00<\/td>\n1.10<\/td>\n1.05<\/td>\n1.08<\/td>\n1.06<\/td>\n<\/tr>\n
4<\/td>\nM.quiquenervia<\/em><\/td>\nRokeby MP Qld<\/td>\n1303<\/td>\n0.83<\/td>\n0.95<\/td>\n0.80<\/td>\n0.90<\/td>\n0.87<\/td>\n<\/tr>\n
5<\/td>\nM.leucadendra<\/em><\/td>\nWangi NT<\/td>\n1205<\/td>\n0.80<\/td>\n0.90<\/td>\n0.80<\/td>\n0.73<\/td>\n0.81<\/td>\n<\/tr>\n
6<\/td>\nM.argentea<\/em><\/td>\nKalumburu WA<\/td>\n0505<\/td>\n0.80<\/td>\n0.90<\/td>\n0.80<\/td>\n0.73<\/td>\n0.81<\/td>\n<\/tr>\n
7<\/td>\nM.quiquenervia<\/em><\/td>\nMtMoloy Qld<\/td>\n1301<\/td>\n0.75<\/td>\n0.70<\/td>\n0.75<\/td>\n0.75<\/td>\n0.74<\/td>\n<\/tr>\n
8<\/td>\nM.argentea<\/em><\/td>\nKalumburu WA<\/td>\n0504<\/td>\n0.75<\/td>\n0.70<\/td>\n0.60<\/td>\n0.63<\/td>\n0.67<\/td>\n<\/tr>\n
9<\/td>\nM.cajuputi-As<\/em><\/td>\nWangi NT<\/td>\n7a02<\/td>\n0.70<\/td>\n0.60<\/td>\n0.65<\/td>\n0.70<\/td>\n0.66<\/td>\n<\/tr>\n
10<\/td>\nM.cajuputi-As<\/em><\/td>\nKapalga NT<\/td>\n7a03<\/td>\n0.65<\/td>\n0.60<\/td>\n0.75<\/td>\n0.63<\/td>\n0.66<\/td>\n<\/tr>\n
11<\/td>\nM.viridiflora<\/em><\/td>\nOriomo PNG<\/td>\n1706<\/td>\n0.60<\/td>\n0.50<\/td>\n0.80<\/td>\n0.70<\/td>\n0.65<\/td>\n<\/tr>\n
12<\/td>\nM.viridiflora<\/em><\/td>\nWangi NT<\/td>\n1703<\/td>\n0.65<\/td>\n0.60<\/td>\n0.65<\/td>\n0.65<\/td>\n0.64<\/td>\n<\/tr>\n
13<\/td>\nM.fluviatis<\/em><\/td>\nHolme Ck Qld<\/td>\n1102<\/td>\n0.55<\/td>\n0.53<\/td>\n0.60<\/td>\n0.50<\/td>\n0.54<\/td>\n<\/tr>\n
14<\/td>\nM.viridiflora<\/em><\/td>\nCambridge G.Wa<\/td>\n1704<\/td>\n0.50<\/td>\n0.55<\/td>\n0.60<\/td>\n0.50<\/td>\n0.54<\/td>\n<\/tr>\n
15<\/td>\nM.saligna<\/em><\/td>\nLaura R.Qld<\/td>\n1402<\/td>\n0.50<\/td>\n0.48<\/td>\n0.53<\/td>\n0.55<\/td>\n0.51<\/td>\n<\/tr>\n
16<\/td>\nM.dealbata<\/em><\/td>\nKapalga NT<\/td>\n1004<\/td>\n0.50<\/td>\n0.53<\/td>\n0.50<\/td>\n0.48<\/td>\n0.50<\/td>\n<\/tr>\n
17<\/td>\nM.leucadendra<\/em><\/td>\nBensbach PNG<\/td>\n1207<\/td>\n0.50<\/td>\n0.50<\/td>\n0.45<\/td>\n0.40<\/td>\n0.46<\/td>\n<\/tr>\n
18<\/td>\nM.viridiflora<\/em><\/td>\nKapalga NT<\/td>\n1705<\/td>\n0.50<\/td>\n0.40<\/td>\n0.40<\/td>\n0.35<\/td>\n0.41<\/td>\n<\/tr>\n
19<\/td>\nM.leucadendra<\/em><\/td>\nKuru PNG<\/td>\n1208<\/td>\n0.40<\/td>\n0.35<\/td>\n0.40<\/td>\n0.45<\/td>\n0.40<\/td>\n<\/tr>\n
20<\/td>\nM.saligna<\/em><\/td>\nWeipa Qld<\/td>\n1401<\/td>\n0.35<\/td>\n0.33<\/td>\n0.45<\/td>\n0.43<\/td>\n0.39<\/td>\n<\/tr>\n
21<\/td>\nM.argentea<\/em><\/td>\nKeep Reverr NT<\/td>\n0503<\/td>\n0.38<\/td>\n0.30<\/td>\n0.30<\/td>\n0.33<\/td>\n0.29<\/td>\n<\/tr>\n
22<\/td>\nM.viridiflora<\/em><\/td>\nWeipa Qld<\/td>\n1701<\/td>\n0.38<\/td>\n0.30<\/td>\n0.30<\/td>\n0.35<\/td>\n0.33<\/td>\n<\/tr>\n
23<\/td>\nM.cajuputi-VN<\/em><\/td>\nS\u00abng Tr\u00d1m. CM<\/td>\n7v03<\/td>\n0.25<\/td>\n0.28<\/td>\n0.30<\/td>\n0.33<\/td>\n0.29<\/td>\n<\/tr>\n
24<\/td>\nM.leucadendra<\/em><\/td>\nWeipa qld<\/td>\n1201<\/td>\n0.25<\/td>\n0.30<\/td>\n0.28<\/td>\n0.30<\/td>\n0.28<\/td>\n<\/tr>\n
25<\/td>\nM.cajuputi-As<\/em><\/td>\nDaintee Qld<\/td>\n7a01<\/td>\n0.30<\/td>\n0.30<\/td>\n0.28<\/td>\n0.25<\/td>\n0.28<\/td>\n<\/tr>\n
26<\/td>\nM.cajuputi-VN<\/em><\/td>\nTinh Bi\u00aan.AG<\/td>\n7v05<\/td>\n0.20<\/td>\n0.19<\/td>\n0.30<\/td>\n0.28<\/td>\n0.24<\/td>\n<\/tr>\n
27<\/td>\nM.cajuputi-As<\/em><\/td>\nKuru PNG<\/td>\n7a05<\/td>\n0.25<\/td>\n0.20<\/td>\n0.23<\/td>\n0.25<\/td>\n0.23<\/td>\n<\/tr>\n
28<\/td>\nM.cajuputi-As<\/em><\/td>\nBensbach PNG<\/td>\n7a04<\/td>\n0.18<\/td>\n0.20<\/td>\n0.20<\/td>\n0.19<\/td>\n0.19<\/td>\n<\/tr>\n
29<\/td>\nM.cajuputi-VN<\/em><\/td>\nT\u00a9n Th\u00b9nh.LA<\/td>\n7v04<\/td>\n0.18<\/td>\n0.20<\/td>\n0.18<\/td>\n0.19<\/td>\n0.18<\/td>\n<\/tr>\n
30<\/td>\nM.leucadendra<\/em><\/td>\nCambridge g.WA<\/td>\n1206<\/td>\n0.15<\/td>\n0.13<\/td>\n0.20<\/td>\n0.18<\/td>\n0.16<\/td>\n<\/tr>\n
31<\/td>\nM.cajuputi-VN<\/em><\/td>\nU Minh Th\u00ad\u00eeng<\/td>\n7v06<\/td>\n0.15<\/td>\n0.15<\/td>\n0.15<\/td>\n0.18<\/td>\n0.16<\/td>\n<\/tr>\n
32<\/td>\nM.cajuputi-VN<\/em><\/td>\nV\u00e5 D\u00aci.CM<\/td>\n7v05<\/td>\n0.13<\/td>\n0.15<\/td>\n0.18<\/td>\n0.15<\/td>\n0.16<\/td>\n<\/tr>\n
33<\/td>\nM.cajuputi-VN<\/em><\/td>\nV\u00dcnh H\u00adng- LA<\/td>\n7v07<\/td>\n0.13<\/td>\n0.14<\/td>\n0.15<\/td>\n0.20<\/td>\n0.15<\/td>\n<\/tr>\n
34<\/td>\nM.cajuputi-VN<\/em><\/td>\nPh\u00f3 Qu\u00e8c<\/td>\n7v02<\/td>\n0.15<\/td>\n0.15<\/td>\n0.15<\/td>\n0.16<\/td>\n0.15<\/td>\n<\/tr>\n
35<\/td>\nM.dealbata<\/em><\/td>\nRifle Ck Qld<\/td>\n1001<\/td>\n0.15<\/td>\n0.18<\/td>\n0.15<\/td>\n0.13<\/td>\n0.15<\/td>\n<\/tr>\n
36<\/td>\nM.dealbata<\/em><\/td>\nMataranka NT<\/td>\n1003<\/td>\n0.10<\/td>\n0.10<\/td>\n0.10<\/td>\n0.10<\/td>\n0.10<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2. X\u00e1c \u0111\u1ecbnh h\u00e0m l\u00ad\u1ee3ng tinh d\u1ea7u theo \u0111\u1ed9ng th\u00e1i th\u1eddi gian c\u1ee7a 12 xu\u1ea5t x\u1ee9 ch\u1ecdn<\/em><\/strong><\/p>\n

V\u00e0o m\u1ed7i tu\u1ea7n cu\u1ed1i c\u1ee7a c\u00e1c th\u00e1ng 6,7,8,10,11,12 trong n\u0103m 2000, ch\u00fang t\u00f4i l\u1ea5y m\u1eabu l\u00e1 tr\u00ean c\u00e1c c\u00e2y \u0111\u00e3 \u0111\u00e1nh d\u1ea5u c\u1ee7a 12 xu\u1ea5t x\u1ee9 ch\u1ecdn \u0111\u00ad\u1ee3c thu h\u00e1i, ch\u00adng c\u1ea5t tinh d\u1ea7u \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00e0m l\u00ad\u1ee3ng tinh d\u1ea7u theo \u0111\u1ed9ng th\u00e1i th\u1eddi gian (th\u00e1ng v\u00e0 m\u00f9a) nh\u1eb1m ch\u1ecdn th\u00e1ng, m\u00f9a n\u00e0o trong n\u0103m khai th\u00e1c l\u00e1 c\u00f3 hi\u1ec7u qu\u1ea3 nh\u1ea5t. H\u00e0m l\u00ad\u1ee3ng tinh d\u1ea7u \u0111\u00ad\u1ee3c t\u00ednh trung b\u00ecnh theo tr\u1ecdng l\u00ad\u1ee3ng t\u00ad\u01a1i v\u00e0 kh\u00f4.<\/p>\n

B\u1ea3ng 2 X\u00e1c \u0111\u1ecbnh h\u00e0m l\u00ad\u1ee3ng tinh d\u1ea7u theo c\u00e1c th\u00e1ng v\u00e0 m\u00f9a trong n\u0103m 2000<\/em><\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
STT<\/strong><\/td>\nL\u1eb7a\u1ee5<\/strong><\/td>\nM\u1ea3 s\u00e8<\/strong><\/td>\nHam l\u00ad\u00eeng t\u1ee5nh d\u00c7\u1ef1 tr\u1ef1ng b\u00d7nh (%)<\/strong><\/td>\n<\/tr>\n
M\u00efa kh\u00ab<\/strong><\/td>\nM\u00efa ng\u00cbp n\u00ad\u00edc<\/strong><\/td>\n<\/tr>\n
T.6<\/strong><\/td>\nT.7<\/strong><\/td>\nT.8<\/strong><\/td>\nT.10<\/strong><\/td>\nT.11<\/strong><\/td>\nT.12<\/strong><\/td>\n<\/tr>\n
1<\/td>\nM.stenostachya<\/em><\/td>\n1601<\/td>\n1.39<\/td>\n1.26<\/td>\n1.48<\/td>\n2.54<\/td>\n<\/tr>\n
2<\/td>\nM.fluviatitis<\/em><\/td>\n1101<\/td>\n1.08<\/td>\n1.23<\/td>\n1.24<\/td>\n1.24<\/td>\n1.25<\/td>\n0.89<\/td>\n<\/tr>\n
3<\/td>\nM.quiquenervia<\/em><\/td>\n1302<\/td>\n1.06<\/td>\n1.05<\/td>\n0.84<\/td>\n0.74<\/td>\n0.93<\/td>\n0.53<\/td>\n<\/tr>\n
4<\/td>\nM.quiquenervia<\/em><\/td>\n1303<\/td>\n0.87<\/td>\n1.10<\/td>\n1.30<\/td>\n1.00<\/td>\n0.88<\/td>\n0.71<\/td>\n<\/tr>\n
5<\/td>\nM.leucadendra<\/em><\/td>\n1205<\/td>\n0.81<\/td>\n0.46<\/td>\n0.56<\/td>\n0.35<\/td>\n0.86<\/td>\n0.90<\/td>\n<\/tr>\n
6<\/td>\nM.argentea<\/em><\/td>\n0505<\/td>\n0.75<\/td>\n0.59<\/td>\n0.90<\/td>\n0.64<\/td>\n0.75<\/td>\n0.50<\/td>\n<\/tr>\n
7<\/td>\nM.quiqernervia<\/em><\/td>\n1301<\/td>\n0.74<\/td>\n1.13<\/td>\n1.17<\/td>\n0.95<\/td>\n1.00<\/td>\n1.1<\/td>\n<\/tr>\n
8<\/td>\nM.argentea<\/em><\/td>\n0504<\/td>\n0.67<\/td>\n0.82<\/td>\n0.76<\/td>\n0.50<\/td>\n0.61<\/td>\n0.71<\/td>\n<\/tr>\n
9<\/td>\nM.cajuputi-As<\/em><\/td>\n7a02<\/td>\n0.66<\/td>\n0.74<\/td>\n1.01<\/td>\n0.56<\/td>\n0.80<\/td>\n1.00<\/td>\n<\/tr>\n
10<\/td>\nM.cajuputi-As<\/em><\/td>\n7a03<\/td>\n0.66<\/td>\n0.55<\/td>\n0.66<\/td>\n0.64<\/td>\n0.91<\/td>\n0.81<\/td>\n<\/tr>\n
11<\/td>\nM.viridiflora<\/em><\/td>\n1706<\/td>\n0.65<\/td>\n0.73<\/td>\n0.75<\/td>\n0.79<\/td>\n0.74<\/td>\n0.53<\/td>\n<\/tr>\n
12<\/td>\nM.viridiflora<\/em><\/td>\n1703<\/td>\n0.64<\/td>\n0.89<\/td>\n0.57<\/td>\n0.54<\/td>\n0.67<\/td>\n0.53<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Qua s\u00e8 li\u00d6u ph\u00a9n t\u00ddch v\u00d2 \u00ae\u00e9ng th\u00b8i h\u00b5m l\u00ad\u00eeng tinh d\u00c7u trong c\u00b8c th\u00b8ng c\u00f1a c\u00b8c xu\u00cat x\u00f8 ch\u00e4n, d\u00efng ph\u00ad\u00acng ph\u00b8p x\u00f6 l\u00fd th\u00e8ng k\u00aa, ch\u00e4n th\u00b8ng h\u00b8i l\u00b8 cho h\u00b5m l\u00ad\u00eeng tinh d\u00c7u cao c\u00f1a c\u00b8c lo\u00b5i v\u00b5 xu\u00cat x\u00f8 nh\u00ad sau:<\/p>\n

* Xu\u00cat x\u00f8 0505: Th\u00b8ng c\u00e3 h\u00b5m l\u00ad\u00eeng tinh d\u00c7u cao ( ph\u00a9n h\u00b9ng A) l\u00b5: th\u00b8ng 8<\/p>\n

* Xu\u00cat x\u00f8 7a03 : Th\u00b8ng c\u00e3 h\u00b5m l\u00ad\u00eeng tinh d\u00c7u cao ( ph\u00a9n h\u00b9ng A ) l\u00b5: th\u00b8ng 11<\/p>\n

* Xu\u00cat x\u00f8 7a02: Th\u00b8ng c\u00e3 h\u00b5m l\u00ad\u00eeng tinh d\u00c7u cao ( ph\u00a9n h\u00b9ng a) l\u00b5: th\u00b8ng 8, 12<\/p>\n

* Xu\u00cat x\u00f8 1205: Th\u00b8ng c\u00e3 h\u00b5m l\u00ad\u00eeng tinh d\u00c7u cao( ph\u00a9n h\u00b9ng A) l\u00b5: th\u00b8ng 6,11,12<\/p>\n

* Xu\u00cat x\u00f8 1301: Th\u00b8ng c\u00e3 h\u00b5m l\u00ad\u00eeng tinh d\u00c7u cao( ph\u00a9n h\u00b9ng a) l\u00b5: th\u00b8ng 7,8,12<\/p>\n

* Xu\u00cat x\u00f8 1302: Th\u00b8ng c\u00e3 h\u00b5m l\u00ad\u00eeng tinh d\u00c7u cao ( ph\u00a9n h\u00b9ng a) l\u00b5: th\u00b8ng 6,7<\/p>\n

* Xu\u00cat x\u00f8 1303: Th\u00b8ng c\u00e3 h\u00b5m l\u00ad\u00eeng tinh d\u00c7u cao ( ph\u00a9n h\u00b9ng a) l\u00b5: th\u00b8ng 8<\/p>\n

Trong c\u00b8c th\u00b8ng r\u00f5ng b\u00de ng\u00cbp n\u00ad\u00edc v\u00c9n thu h\u00b8i l\u00b8 \u00ae\u00d3 c\u00cat tinh d\u00c7u \u00ae\u00ad\u00eec, kho\u00b6ng c\u00b8ch m\u00e7i l\u00c7n thu h\u00b8i 2 \u2013 3 th\u00b8ng thu h\u00b8i m\u00e9t l\u00c7n ho\u00c6c thu m\u00e9t l\u00c7n t\u00cbn d\u00f4ng khi khai th\u00b8c c\u00a9y.<\/p>\n

3. X\u00b8c \u00ae\u00denh ch\u00cat l\u00ad\u00eeng ( \u00ae\u00denh t\u00ddnh) tinh d\u00c7u c\u00f1a 12 xu\u00cat x\u00f8 ch\u00e4n<\/em><\/strong><\/p>\n

C\u00b8c m\u00c9u tinh d\u00c7u khi ch\u00adng c\u00cat xong, \u00ae\u00ad\u00eec h\u00f3t l\u00e4c tinh khi\u00d5t, ph\u00a9n t\u00ddch b\u00bbng s\u00bec k\u00fd kh\u00dd \u00ae\u00d3 \u00ae\u00b8nh gi\u00b8 ch\u00cat l\u00ad\u00eeng tinh d\u00c7u. Hai th\u00b5nh ph\u00c7n ch\u00f1 y\u00d5u \u00ae\u00d3 \u00ae\u00b8nh gi\u00b8 ch\u00cat l\u00ad\u00eeng tinh d\u00c7u c\u00f1a t\u00f5ng lo\u00b5i v\u00b5 xu\u00cat x\u00f8 l\u00b5 1,8 Cineol v\u00b5 Terpinel-4-ol b\u00ebi 2 th\u00b5nh ph\u00c7n n\u00b5y s\u00cf quy\u00d5t \u00ae\u00denh gi\u00b8 c\u00b6 c\u00f1a tinh d\u00c7u. (Kh\u00b6o s\u00b8t tr\u00aan th\u00f9c t\u00d5 th\u00cay r\u00bbng: Trong th\u00b5nh ph\u00c7n tinh d\u00c7u c\u00e3 30% Terpinel-4-ol tr\u00eb l\u00aan v\u00b5 15% Cineol tr\u00eb xu\u00e8ng \u00ae\u00b9t ti\u00aau chu\u00c8n Qu\u00e8c t\u00d5 ISO 4730. Ho\u00c6c trong th\u00b5nh ph\u00c7n tinh d\u00c7u c\u00e3 60% Cineol tr\u00eb l\u00aan gi\u00b8 cao h\u00acn h\u00bcn tinh d\u00c7u ch\u00d8 c\u00e3 30 \u2013 40% Cineol ).<\/p>\n

B\u00b6ng 3 X\u00b8c \u00ae\u00denh ch\u00cat l\u00ad\u00eeng tinh d\u00c7u Tr\u00b5m c\u00f1a 12 xu\u00cat x\u00f8 ch\u00e4n.<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
STT<\/strong><\/td>\nLo\u00b5i<\/strong><\/td>\nM\u00b7 s\u00e8<\/strong><\/td>\nTh\u00b5nh ph\u00c7n (%)<\/strong><\/p>\n

1,8Cineol<\/strong><\/td>\n

Th\u00b5nh ph\u00c7n (%)<\/strong><\/p>\n

Terpinel-4-ol<\/strong><\/td>\n<\/tr>\n

M\u00efa kh\u00ab<\/strong><\/td>\nM\u00efa n\u00ad\u00edc<\/strong><\/td>\nM\u00efa kh\u00ab<\/strong><\/td>\nM\u00efa n\u00ad\u00edc<\/strong><\/td>\n<\/tr>\n
1<\/td>\nM.stenostachya<\/em><\/td>\n1601<\/td>\n15.61<\/td>\n0.64<\/td>\n0.22<\/td>\n0<\/td>\n<\/tr>\n
2<\/td>\nM.fluviatitis<\/em><\/td>\n1101<\/td>\n45.00<\/td>\n23.24<\/td>\n3.28<\/td>\n0.2<\/td>\n<\/tr>\n
3<\/td>\nM.quiquenervia<\/em><\/td>\n1302<\/td>\n75.32<\/td>\n68.8<\/td>\n2.87<\/td>\n0<\/td>\n<\/tr>\n
4<\/td>\nM.quiquenervia<\/em><\/td>\n1303<\/td>\n66.13<\/td>\n63.15<\/td>\n4.30<\/td>\n0.02<\/td>\n<\/tr>\n
5<\/td>\nM.leucadendra<\/em><\/td>\n1205<\/td>\n61,18<\/td>\n59.42<\/td>\n0.87<\/td>\n0.21<\/td>\n<\/tr>\n
6<\/td>\nM.argentea<\/em><\/td>\n0505<\/td>\n35.36<\/td>\n9.29<\/td>\n30.92<\/td>\n30.62<\/td>\n<\/tr>\n
7<\/td>\nM.quiqernervia<\/em><\/td>\n1301<\/td>\n76.93<\/td>\n66.37<\/td>\n1.29<\/td>\n0.04<\/td>\n<\/tr>\n
8<\/td>\nM.argentea<\/em><\/td>\n0504<\/td>\n25.98<\/td>\n38.66<\/td>\n20.84<\/td>\n7.90<\/td>\n<\/tr>\n
9<\/td>\nM.cajuputi-As<\/em><\/td>\n7a02<\/td>\n69.80<\/td>\n64.36<\/td>\n1.03<\/td>\n0.05<\/td>\n<\/tr>\n
10<\/td>\nM.cajuputi-As<\/em><\/td>\n7a03<\/td>\n58.05<\/td>\n43.13<\/td>\n0.84<\/td>\n0.22<\/td>\n<\/tr>\n
11<\/td>\nM.viridiflora<\/em><\/td>\n1706<\/td>\n37.81<\/td>\n30.00<\/td>\n0.35<\/td>\n0<\/td>\n<\/tr>\n
12<\/td>\nM.viridiflora<\/em><\/td>\n1703<\/td>\n42.49<\/td>\n1.39<\/td>\n4.26<\/td>\n0.04<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

D\u1ef1a v\u00e0o k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch tr\u00ean, ch\u1ecdn \u0111\u00ad\u1ee3c m\u1ed9t s\u1ed1 lo\u00e0i v\u00e0 xu\u1ea5t x\u1ee9 cho tinh d\u1ea7u c\u00f3 gi\u00e1 tr\u1ecb l\u00e0 0505,1301,1302,1303,1205,7a02,7a03 (Tinh d\u1ea7u \u0111\u1ea1t ti\u00eau chu\u1ea9n cao), c\u00e1c xu\u1ea5t x\u1ee9 c\u00f2n l\u1ea1i cho tinh d\u1ea7u c\u00f3 ch\u1ea5t l\u00ad\u1ee3ng k\u00e9m h\u01a1n.<\/p>\n

4. Kh\u1ea3o s\u00e1t m\u1ed9t s\u1ed1 ch\u1ec9 ti\u00eau v\u1ec1 tinh d\u1ea7u v\u00e0 g\u1ed7<\/em><\/strong><\/p>\n

B\u1ea3ng 4 So s\u00e1nh m\u1ed9t s\u1ed1 ch\u1ec9 ti\u00eau tinh d\u1ea7u v\u00e0 g\u1ed7 c\u1ee7a 12 xu\u1ea5t x\u1ee9 Tr\u00e0m ch\u1ecdn<\/em><\/strong><\/p>\n\n\n\n
STT<\/strong><\/td>\nLo\u00b5i<\/strong><\/td>\nM\u00b7 s\u00e8<\/strong><\/td>\nH\u00b5m l\u00ad\u00eeng TD (%)<\/strong><\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Tinh d\u1ea7u nói chung và tinh d\u1ea7u Tràm nói riêng, t\u1eeb xa x­a \u0111ã \u0111­\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t r\u1ed9ng rãi trong công ngh\u1ec7 d­\u1ee3c ph\u1ea9m và m\u1ef9 ph\u1ea9m. Tinh d\u1ea7u Tràm (Melaleuca) \u0111­\u1ee3c dùng trong d­\u1ee3c li\u1ec7u làm ch\u1ea5t sát trùng m\u1ea1nh, ch\u1ed1ng viêm, xoa bóp tr\u1ecb \u0111au nh\u1ee9c… Ngoài ra, tinh d\u1ea7u tràm còn \u0111­\u1ee3c s\u1eed d\u1ee5ng trong ngành h­\u01a1ng li\u1ec7u và m\u1ef9 ph\u1ea9m. <\/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\/8646"}],"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=8646"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8646\/revisions"}],"predecessor-version":[{"id":19272,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8646\/revisions\/19272"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=8646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=8646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=8646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}