{"id":758,"date":"2021-10-07T23:25:18","date_gmt":"2021-10-07T23:25:18","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=758"},"modified":"2021-10-14T22:07:33","modified_gmt":"2021-10-14T15:07:33","slug":"glucozo-la-gi-trang-thai-tu-nhien-cua-glucozo-toppy","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/glucozo-la-gi-trang-thai-tu-nhien-cua-glucozo-toppy\/","title":{"rendered":"Glucoz\u01a1 l\u00e0 g\u00ec? tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean c\u1ee7a Glucoz\u01a1"},"content":{"rendered":"\n<script type=\"text\/javascript\">\nimg_numb = 10;\n<\/script>\n\n\n\n<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Glucozo - B\u00e0i 5 - H\u00f3a h\u1ecdc 12 - C\u00f4 Nguy\u1ec5n Th\u1ecb Thu (HAY NH\u1ea4T)\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/5Sz3DmSwjOY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><figcaption>B\u00e0i h\u1ecdc v\u1ec1 Glucozo<\/figcaption><\/figure>\n\n\n\n<p>Glucoz\u01a1 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 m\u1ed9t lo\u1ea1i cacbohi\u0111rat. Ch\u00fang t\u1ed3n t\u1ea1i trong h\u1ea7u h\u1ebft c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a con ng\u01b0\u1eddi, th\u1ef1c v\u1eadt v\u00e0 \u0111\u1ed9ng v\u1eadt. V\u1eady glucoz\u01a1 l\u00e0 g\u00ec? T\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a ch\u1ea5t n\u00e0y ra sao v\u00e0 tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean th\u1ebf n\u00e0o? B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n gi\u1ea3i \u0111\u00e1p m\u1ecdi th\u1eafc m\u1eafc tr\u00ean.<\/p>\n\n\n\n<p>Glucoz\u01a1 l\u00e0 g\u00ec?<\/p>\n\n\n\n<p>Tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean c\u1ee7a Glucoz\u01a1 l\u00e0 g\u00ec?<\/p>\n\n\n\n<p>Tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean c\u1ee7a glucose l\u00e0 g\u00ec h\u1eb3n l\u00e0 \u0111i\u1ec1u m\u00e0 ch\u00fang ta quan t\u00e2m. Glucoz\u01a1 l\u00e0 ch\u1ea5t r\u1eafn r\u1ea5t d\u1ec5 tan trong n\u01b0\u1edbc. Tinh th\u1ec3 glucoz\u01a1 kh\u00f4ng m\u00e0u.Ch\u00fang c\u00f3 v\u1ecb ng\u1ecdt tuy nhi\u00ean kh\u00f4ng ng\u1ecdt b\u1eb1ng \u0111\u01b0\u1eddng m\u00eda.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/10\/gf.png\" alt=\"Glucose v\u00e0 Frutose\" class=\"wp-image-2248\" width=\"553\" height=\"267\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/10\/gf.png 323w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/10\/gf-300x145.png 300w\" sizes=\"(max-width: 553px) 100vw, 553px\" \/><figcaption>Glucose v\u00e0 Frutose<\/figcaption><\/figure>\n\n\n\n<p>Tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean c\u1ee7a Glucoz\u01a1 nh\u01b0 sau:<\/p>\n\n\n\n<p>Ch\u00fang t\u1ed3n t\u1ea1i trong h\u1ea7u h\u1ebft c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a th\u1ef1c v\u1eadt nhi\u1ec1u nh\u1ea5t l\u00e0 \u1edf c\u00e1c lo\u1ea1i qu\u1ea3 ch\u00edn. \u0110\u1eb7c bi\u1ec7t l\u00e0 trong qu\u1ea3 nho vi th\u1ebf ch\u00fang \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u01b0\u1eddng nho.<\/p>\n\n\n\n<p>Glucoz\u01a1 chi\u1ebfm kho\u1ea3ng 30% trong th\u00e0nh ph\u1ea7n c\u1ee7a m\u1eadt ong.<\/p>\n\n\n\n<p>Con ng\u01b0\u1eddi v\u00e0 \u0111\u1ed9ng v\u1eadt \u0111\u1ec1u c\u00f3 m\u1ed9t l\u01b0\u1ee3ng glucoz\u01a1 nh\u1ea5t \u0111\u1ecbnh trong c\u01a1 th\u1ec3.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/10\/20200217_062603_380860_gan.max-1800x1800-1.png\" alt=\"\" class=\"wp-image-2249\" width=\"719\" height=\"448\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/10\/20200217_062603_380860_gan.max-1800x1800-1.png 1021w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/10\/20200217_062603_380860_gan.max-1800x1800-1-300x187.png 300w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/10\/20200217_062603_380860_gan.max-1800x1800-1-768x480.png 768w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/10\/20200217_062603_380860_gan.max-1800x1800-1-900x562.png 900w\" sizes=\"(max-width: 719px) 100vw, 719px\" \/><figcaption>Vai tr\u00f2 c\u1ee7a Gluc\u00f4z\u01a1<\/figcaption><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>C\u1ea5u t\u1ea1o ph\u00e2n t\u1eed c\u1ee7a glucoz\u01a1<\/p><\/blockquote>\n\n\n\n<p>C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a glucoz\u01a1 l\u00e0 C<sub>6<\/sub>H<sub>12<\/sub>O<sub>6<\/sub>. Ch\u00fang \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 c\u1ee7a c\u00e1c th\u00ed nghi\u1ec7m \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n<p>Glucoz\u01a1 tham gia v\u00e0o ph\u1ea3n \u1ee9ng tr\u00e1ng b\u1ea1c v\u00e0 ch\u00fang b\u1ecb oxi h\u00f3a b\u1edfi n\u01b0\u1edbc brom. S\u1ea3n ph\u1ea9m t\u1ea1o th\u00e0nh l\u00e0 axit gluconic =&gt; c\u00f3 nh\u00f3m CH=O trong ph\u00e2n t\u1eed.<\/p>\n\n\n\n<p>Glucoz\u01a1 khi t\u00e1c d\u1ee5ng v\u1edbi Cu(OH)<sub>2<\/sub> s\u1ebd t\u1ea1o ra dung d\u1ecbch c\u00f3 m\u00e0u xanh lam. \u0110i\u1ec1u n\u00e0y ch\u1ee9ng t\u1ecf ph\u00e2n t\u1eed glucoz\u01a1 c\u00f3 ch\u1ee9a nhi\u1ec1u nh\u00f3m OH \u1edf v\u1ecb tr\u00ed k\u1ec1 nhau.<\/p>\n\n\n\n<p>Glucoz\u01a1 c\u0169ng s\u1ebd t\u1ea1o este ch\u1ee9 5 g\u1ed1c axit CH<sub>3<\/sub>COO => c\u00f3 5 nh\u00f3m OH.<\/p>\n\n\n\n<p>Khi ti\u1ebfn h\u00e0nh kh\u1eed ho\u00e0n to\u00e0n glucoz\u01a1, ch\u00fang ta s\u1ebd thu \u0111\u01b0\u1ee3c hexan =&gt; 6 C t\u1ea1o th\u00e0nh m\u1ea1ch kh\u00f4ng ph\u00e2n nh\u00e1nh.<\/p>\n\n\n\n<p>Nh\u01b0 v\u1eady c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng Glucoz\u01a1 l\u00e0 h\u1ee3p ch\u1ea5t t\u1ea1p ch\u1ee9c. Ch\u00fang t\u1ed3n t\u1ea1i \u1edf d\u1ea1ng m\u1ea1ch h\u1edf ph\u00e2n t\u1eed v\u00e0 c\u00f3 c\u1ea5u t\u1ea1o c\u1ee7a m\u1ed9t an\u0111ehit \u0111\u01a1n ch\u1ee9c c\u00f9ng v\u1edbi ancol 5 ch\u1ee9c. C\u00f4ng th\u1ee9c l\u00e0:<\/p>\n\n\n\n<p>CH<sub>2<\/sub>OH \u2013 CHOH \u2013 CHOH \u2013 CHOH \u2013 CHOH \u2013 CH = O<\/p>\n\n\n\n<p>Vi\u1ebft g\u1ecdn: CH<sub>2<\/sub>OH[CHOH]<sub>4<\/sub>CHO<\/p>\n\n\n\n<p>Trong \u0111\u00f3 ng\u01b0\u1eddi ta s\u1ebd \u0111\u00e1nh s\u1ed1 th\u1ee9 t\u1ef1 c\u1ee7a cacbon b\u1eaft \u0111\u1ea7u t\u1eeb nh\u00f3m CH = O.<\/p>\n\n\n\n<p>Trong th\u1ef1c t\u1ebf th\u00ec glucoz\u01a1 s\u1ebd t\u1ed3n t\u1ea1i ch\u1ee7 y\u1ebfu \u1edf hai d\u1ea1ng m\u1ea1ch v\u00f2ng l\u00e0: \u03b1 \u2013 glucoz\u01a1 v\u00e0 \u03b2 \u2013 glucoz\u01a1.<\/p>\n\n\n\n<p>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a glucoz\u01a1 l\u00e0 g\u00ec?<\/p>\n\n\n\n<p>Khi bi\u1ebft \u0111\u01b0\u1ee3c t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a glucoz\u01a1 l\u00e0 g\u00ec ch\u00fang ta c\u00f3 th\u1ec3 l\u00e0m c\u00e1c b\u00e0i t\u1eadp h\u00f3a m\u1ed9t m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng h\u01a1n. Glucoz\u01a1 s\u1ebd c\u00f3 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc nh\u01b0 c\u1ee7a an\u0111ehit \u0111\u01a1n ch\u1ee9c v\u00e0 ancol \u0111a ch\u1ee9c. C\u1ee5 th\u1ec3 l\u00e0:<\/p>\n\n\n\n<p>T\u00ednh ch\u1ea5t c\u1ee7a ancol \u0111a ch\u1ee9c<\/p>\n\n\n\n<p>Glucoz\u01a1 t\u00e1c d\u1ee5ng v\u1edbi Cu(OH)2 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng th\u00ec glucoz\u01a1 s\u1ebd c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m tan k\u1ebft t\u1ee7a Cu(OH)2 v\u00e0 t\u1ea1o th\u00e0nh dung d\u1ecbch ph\u1ee9c \u0111\u1ed3ng glucoz\u01a1 c\u00f3 m\u00e0u xanh lam. Ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc nh\u01b0 sau:<\/p>\n\n\n\n<p>2C<sub>6<\/sub>H<sub>12<\/sub>O<sub>6<\/sub> + Cu(OH)<sub>2<\/sub> \u2192 (C<sub>6<\/sub>H<sub>11<\/sub>O<sub>6<\/sub>)<sub>2<\/sub>Cu + 2H<sub>2<\/sub>O<\/p>\n\n\n\n<p>Khi Glucoz\u01a1 ph\u1ea3n \u1ee9ng t\u1ea1o este, s\u1ea3n ph\u1ea9m t\u1ea1o ra ch\u1ee9a 5 g\u1ed1c axit axetic trong ph\u00e2n t\u1eed khi tham gia ph\u1ea3n \u1ee9ng v\u1edbi anhi\u0111rit axetic (CH3CO)2O, c\u00f3 m\u1eb7t piri\u0111in.<\/p>\n\n\n\n<p>Ch\u00fang t\u1ed3n t\u1ea1i nhi\u1ec1u trong c\u00e1c lo\u1ea1i tr\u00e1i c\u00e2y t\u1ef1 nhi\u00ean<\/p>\n\n\n\n<p>T\u00ednh ch\u1ea5t c\u1ee7a an\u0111ehit<\/p>\n\n\n\n<p>Ph\u1ea3n \u1ee9ng tr\u00e1ng b\u1ea1c c\u1ee7a glucoz\u01a1<\/p>\n\n\n\n<p>Dung d\u1ecbch AgNO3 c\u00f3 kh\u1ea3 n\u0103ng oxy h\u00f3a Glucoz\u01a1 \u1edf trong m\u00f4i tr\u01b0\u1eddng NH3. S\u1ea3n ph\u1ea9m t\u1ea1o th\u00e0nh l\u00e0 mu\u1ed1i amoni gluconat v\u00e0 b\u1ea1c. Ch\u00fang s\u1ebd b\u00e1m v\u00e0o th\u00e0nh \u1ed1ng nghi\u1ec7m v\u00e0 ch\u00fang ta c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y. Ph\u01b0\u01a1ng tr\u00ecnh nh\u01b0 sau:<\/p>\n\n\n\n<p>CH<sub>2<\/sub>OH[CHOH]<sub>4<\/sub>CHO + 2AgNO<sub>3<\/sub> + 3NH<sub>3<\/sub> + H<sub>2<\/sub>O (\u0111k: to) \u2192 CH<sub>2<\/sub>OH[CHOH]<sub>4<\/sub>COONH<sub>4<\/sub> + 2Ag + 2NH<sub>4<\/sub>NO<sub>3<\/sub><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Tr\u00e1ng g\u01b0\u01a1ng Glucozo\" width=\"500\" height=\"375\" src=\"https:\/\/www.youtube.com\/embed\/EpBZru3Lf-I?start=2&#038;feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><figcaption>Ph\u1ea3n \u1ee9ng tr\u00e1ng b\u1ea1c<\/figcaption><\/figure>\n\n\n\n<p>Glucoz\u01a1 b\u1ecb oxi h\u00f3a b\u1edfi Cu(OH)<sub>2<\/sub><\/p>\n\n\n\n<p>Glucoz\u01a1 b\u1ecb oxi h\u00f3a b\u1edfi Cu(OH)<sub>2<\/sub> trong m\u00f4i tr\u01b0\u1eddng ki\u1ec1m. K\u1ebft qu\u1ea3 s\u1ebd t\u1ea1o th\u00e0nh mu\u1ed1i natri gluconat, \u0111\u1ed3ng (I) oxit v\u00e0 H2O. Ta c\u00f3 ph\u01b0\u01a1ng tr\u00ecnh:<\/p>\n\n\n\n<p>CH<sub>2<\/sub>OH[CHOH]<sub>4<\/sub>CHO + 2Cu(OH)<sub>2<\/sub> + NaOH (\u0111k: to)\u2192 CH<sub>2<\/sub>OH[CHOH]<sub>4<\/sub>COONa + Cu<sub>2<\/sub>O \u2193(\u0111\u1ecf g\u1ea1ch) + 3H<sub>2<\/sub>O<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"GLUCOZ\u01a0 T\u00c1C D\u1ee4NG Cu(OH)2\" width=\"500\" height=\"375\" src=\"https:\/\/www.youtube.com\/embed\/8HTKSbzt_DM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><figcaption>Glucozo t\u00e1c d\u1ee5ng v\u1edbi\u00a0Cu(OH)<sub>2<\/sub><\/figcaption><\/figure>\n\n\n\n<p>Glucoz\u01a1 b\u1ecb kh\u1eed b\u1eb1ng hi\u0111ro<\/p>\n\n\n\n<p>Khi d\u1eabn kh\u00ed hi\u0111ro v\u00e0o dung d\u1ecbch glucoz\u01a1 \u0111un n\u00f3ng c\u00f3 th\u00eam ch\u1ea5t x\u00fac t\u00e1c Ni, ch\u00fang ta s\u1ebd thu \u0111\u01b0\u1ee3c m\u1ed9t poliancol c\u00f2n g\u1ecdi l\u00e0 sobitol:<\/p>\n\n\n\n<p>CH<sub>2<\/sub>OH[CHOH]<sub>4<\/sub>CHO + H<sub>2<\/sub> (\u0111k: to, Ni) \u2192 CH<sub>2<\/sub>OH[CHOH]<sub>4<\/sub>CH<sub>2<\/sub>OH<\/p>\n\n\n\n<p>Ph\u1ea3n \u1ee9ng l\u00ean men Glucoz\u01a1<\/p>\n\n\n\n<p>Khi c\u00f3 enzim x\u00fac t\u00e1c th\u00ec Glucoz\u01a1 s\u1ebd b\u1ecb l\u00ean men. S\u1ea3n ph\u1ea9m t\u1ea1o ra l\u00e0 ancol etylic v\u00e0 kh\u00ed cacbonic. Ph\u01b0\u01a1ng tr\u00ecnh c\u1ee7a ch\u00fang nh\u01b0 sau:<\/p>\n\n\n\n<p>C<sub>6<\/sub>H<sub>12<\/sub>O<sub>6<\/sub> (\u0111k: enzim, 30-35<sup>o<\/sup>C) \u2192 2C<sub>2<\/sub>H<sub>5<\/sub>OH + 2CO<sub>2<\/sub> \u2191<\/p>\n\n\n\n<p>\u0110i\u1ec1u ch\u1ebf glucoz\u01a1<\/p>\n\n\n\n<p>S\u1ebd c\u00f3 2 c\u00e1ch \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf glucoz\u01a1 trong c\u00f4ng nghi\u1ec7p \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n<p>Th\u1ee7y ph\u00e2n tinh b\u1ed9t v\u1edbi ch\u1ea5t x\u00fac t\u00e1c l\u00e0 axit clohi\u0111ric ho\u1eb7c enzim.<\/p>\n\n\n\n<p>Th\u1ee7y ph\u00e2n xenluloz\u01a1 (m\u00f9n c\u01b0a, tro tr\u1ea5u\u2026) c\u00f9ng v\u1edbi x\u00fac t\u00e1c l\u00e0 axit clohi\u0111ric t\u1ea1o th\u00e0nh glucoz\u01a1 \u0111\u01b0\u1ee3c d\u00f9ng trong s\u1ea3n xu\u1ea5t ancol etylic.<\/p>\n\n\n\n<p>\u1ee8ng d\u1ee5ng c\u1ee7a glucoz\u01a1<\/p>\n\n\n\n<p>Glucoz\u01a1 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong nh\u1eefng l\u0129nh v\u1ef1c sau \u0111\u00e2y:<\/p>\n\n\n\n<p>L\u00e0m thu\u1ed1c t\u0103ng l\u1ef1c d\u00e0nh cho tr\u1ebb em, ng\u01b0\u1eddi gi\u00e0 v\u00e0 c\u1ea3 ng\u01b0\u1eddi suy nh\u01b0\u1ee3c c\u01a1 th\u1ec3. B\u1edfi trong glucoz\u01a1 c\u00f3 ch\u1ee9a l\u00e0 m\u1ed9t ch\u1ea5t dinh d\u01b0\u1ee1ng c\u01a1 b\u1ea3n gi\u00fap t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 c\u01a1 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<p>Ch\u00fang c\u0169ng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 tr\u00e1ng g\u01b0\u01a1ng v\u00e0 tr\u00e1ng ru\u1ed9t ph\u00edch.<\/p>\n\n\n\n<p>Glucoz\u01a1 l\u00e0 ch\u1ea5t trung gian d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t ancol etylic t\u1eeb nguy\u00ean li\u1ec7u tinh b\u1ed9t ho\u1eb7c xenluloz\u01a1.<\/p>\n\n\n\n<p>Fructoz\u01a1, \u0111\u1ed3ng ph\u00e2n c\u1ee7a glucoz\u01a1<\/p>\n\n\n\n<p>Sau khi t\u00ecm hi\u1ec3u v\u1ec1 glucoz\u01a1 l\u00e0 g\u00ec ch\u00fang ta h\u00e3y c\u00f9ng l\u01b0\u1edbt qua m\u1ed9t ch\u00fat v\u1ec1 Fructoz\u01a1 v\u00ec \u0111\u00e2y l\u00e0 m\u1ed9t \u0111\u1ed3ng ph\u00e2n c\u1ee7a glucoz\u01a1 v\u00e0 c\u0169ng c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau. Fructoz\u01a1 s\u1ebd c\u00f3 c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o d\u1ea1ng m\u1ea1ch h\u1edf nh\u01b0 sau:<\/p>\n\n\n\n<p>CH<sub>2<\/sub>OH \u2013 CHOH \u2013 CHOH -CHOH \u2013 CO \u2013 CH<sub>2<\/sub>OH<\/p>\n\n\n\n<p>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a ch\u1ea5t n\u00e0y l\u00e0:<\/p>\n\n\n\n<p>L\u00e0 tinh th\u1ec3 kh\u00f4ng m\u00e0u, d\u1ec5 tan trong n\u01b0\u1edbc, c\u00f3 v\u1ecb ng\u1ecdt h\u01a1n \u0111\u01b0\u1eddng m\u00eda.<\/p>\n\n\n\n<p>Ch\u00fang t\u1ed3n t\u1ea1i nhi\u1ec1u trong qu\u1ea3 ng\u1ecdt v\u00e0 chi\u1ebfm t\u1edbi 40% th\u00e0nh ph\u1ea7n c\u1ee7a m\u1eadt ong.<\/p>\n\n\n\n<p>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc:<\/p>\n\n\n\n<p>Fructoz\u01a1 c\u00f3 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a m\u1ed9t ancol \u0111a ch\u1ee9c v\u00e0 cacbohidrat kh\u00f4ng no (c\u00f3 ph\u1ea3n \u1ee9ng c\u1ed9ng hidro).<\/p>\n\n\n\n<p>Fructoz\u01a1 c\u00f3 th\u1ec3 b\u1ecb oxi h\u00f3a b\u1edfi dung d\u1ecbch AgNO<sub>3<\/sub> trong m\u00f4i tr\u01b0\u1eddng c\u00f3 ch\u1ea5t x\u00fac t\u00e1c NH<sub>3<\/sub> v\u00e0 Cu(OH)<sub>2<\/sub> v\u00ed Fructoz\u01a1 (\u0111k: OH-) \u21d4 Glucoz\u01a1.<\/p>\n\n\n\n<p>\u1ee8ng d\u1ee5ng c\u1ee7a glucoz\u01a1<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"C\u00f4ng d\u1ee5ng c\u1ee7a glucozo trong \u0111\u1eddi s\u1ed1ng\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/A8l-NdgouEw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><figcaption>\u1ee8ng d\u1ee5ng Glucozo<\/figcaption><\/figure>\n\n\n\n<p>B\u1ea1n \u0111\u00e3 n\u1eafm r\u00f5 glucoz\u01a1 l\u00e0 g\u00ec ch\u01b0a n\u00e0o? H\u00e3y ghi nh\u1edb \u0111\u1ec3 vi\u1ec7c <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc t\u1eadp<\/a> m\u00f4n h\u00f3a 9 d\u1ec5 d\u00e0ng h\u01a1n nh\u00e9.<\/p>\n\n\n\n<p><\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Glucoz\u01a1 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 m\u1ed9t lo\u1ea1i cacbohi\u0111rat. Ch\u00fang t\u1ed3n t\u1ea1i trong h\u1ea7u h\u1ebft c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a con ng\u01b0\u1eddi, th\u1ef1c v\u1eadt v\u00e0 \u0111\u1ed9ng v\u1eadt. V\u1eady glucoz\u01a1 l\u00e0 g\u00ec? T\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a ch\u1ea5t n\u00e0y ra sao v\u00e0 tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean th\u1ebf [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2247,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[8],"tags":[],"class_list":["post-758","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/758","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=758"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/758\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media\/2247"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}