{"id":140,"date":"2018-02-23T01:25:33","date_gmt":"2018-02-23T01:25:33","guid":{"rendered":"http:\/\/bes.com.vn\/?p=140"},"modified":"2018-02-23T08:11:06","modified_gmt":"2018-02-23T08:11:06","slug":"7-tac-dung-cua-vitamin-c","status":"publish","type":"post","link":"https:\/\/trangwebvang.net\/bes\/7-tac-dung-cua-vitamin-c\/","title":{"rendered":"7 t\u00e1c d\u1ee5ng c\u1ee7a vitamin C"},"content":{"rendered":"

Vitamin C kh\u00f4ng h\u1ec1 xa l\u1ea1 nh\u01b0ng kh\u00f4ng ph\u1ea3i ai c\u0169ng bi\u1ebft r\u00f5 nh\u1eefng t\u00e1c d\u1ee5ng h\u1eefu \u00edch c\u1ee7a vitamin C. Nh\u1eefng t\u00e1c d\u1ee5ng d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n t\u00ecm hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 t\u1ea7m quan tr\u1ecdng c\u1ee7a vi ch\u1ea5t n\u00e0y.<\/strong><\/p>\n

\"\"<\/p>\n

Vitamin C c\u00f2n g\u1ecdi l\u00e0 acid ascorbic. N\u00f3 t\u1ed3n t\u1ea1i trong c\u01a1 th\u1ec3 ch\u00fang ta d\u01b0\u1edbi hai d\u1ea1ng D v\u00e0 L, tham gia v\u00e0o c\u00e1c ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau c\u1ee7a c\u01a1 th\u1ec3. D\u1ea1ng D kh\u00f4ng c\u00f3 ho\u1ea1t t\u00ednh sinh h\u1ecdc. D\u1ea1ng L khi b\u1ecb \u00f4xy h\u00f3a l\u1ea7n \u0111\u1ea7u chuy\u1ec3n th\u00e0nh axit dehydro ascorbic (h\u01a1i ng\u1ea3 m\u00e0u) v\u1eabn c\u00f2n ho\u1ea1t t\u00ednh sinh h\u1ecdc c\u1ee7a vitamin C. N\u1ebfu ti\u1ebfp t\u1ee5c \u00f4xy h\u00f3a n\u1eefa s\u1ebd th\u00e0nh diketo golunat (m\u00e0u v\u00e0ng s\u1eabm) m\u1ea5t ho\u1ea1t t\u00ednh sinh h\u1ecdc c\u1ee7a vitamin C.<\/p>\n

    \n
  1. Th\u00fac \u0111\u1ea9y s\u1ef1 h\u00ecnh th\u00e0nh collagen<\/strong><\/li>\n<\/ol>\n

    Khi thi\u1ebfu vitamin C, qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p collagen g\u1eb7p tr\u1edf ng\u1ea1i, khi\u1ebfn c\u00e1c v\u1ebft th\u01b0\u01a1ng l\u00e2u l\u00e0nh d\u1eabn \u0111\u1ebfn xu\u1ea5t huy\u1ebft \u1edf nhi\u1ec1u m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau (v\u1ee1 mao m\u1ea1ch, ch\u1ea3y m\u00e1u d\u01b0\u1edbi da, ch\u1ea3y m\u00e1u l\u1ee3i), th\u00e0nh m\u1ea1ch y\u1ebfu\u2026 l\u00e0 c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng th\u01b0\u1eddng th\u1ea5y \u1edf b\u1ec7nh scobat.<\/p>\n

      \n
    1. Ch\u1ea5t k\u00edch ho\u1ea1t enzyme<\/strong><\/li>\n<\/ol>\n

      Vitamin C c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 vitamin A, vitamin E, v\u00e0 c\u00e1c axit b\u00e9o thi\u1ebft y\u1ebfu kh\u1ecfi b\u1ecb ti\u00eau hu\u1ef7; l\u00e0m cho s\u1eaft c\u00f3 trong th\u1ee9c \u0103n \u0111\u01b0\u1ee3c duy tr\u00ec trong tr\u1ea1ng th\u00e1i ho\u00e0n nguy\u00ean, th\u00fac \u0111\u1ea9y s\u1ef1 h\u1ea5p th\u1ee5 v\u00e0 chuy\u1ec3n d\u1ecbch t\u1ed3n tr\u1eef s\u1eaft trong c\u01a1 th\u1ec3. L\u00e0m cho can-xi trong th\u00e0nh ru\u1ed9t kh\u00f4ng b\u1ecb k\u1ebft t\u1ee7a, gi\u00fap c\u1ea3i thi\u1ec7n t\u1ef7 l\u1ec7 h\u1ea5p th\u1ee5 can-xi v\u00e0o c\u01a1 th\u1ec3. Tham gia ph\u1ea3n \u1ee9ng hydroxyt c\u1ee7a cholesterol th\u00e0nh axit cholic, c\u00f3 hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ecbnh trong \u0111i\u1ec1u tr\u1ecb thi\u1ebfu h\u1ed3ng c\u1ea7u.<\/p>\n

        \n
      1. Tham gia qu\u00e1 tr\u00ecnh chuy\u1ec3n h\u00f3a cholesterol<\/strong><\/li>\n<\/ol>\n

        Gi\u00fap 80% cholesterol chuy\u1ec3n h\u00f3a th\u00e0nh sulfat tan trong n\u01b0\u1edbc \u0111\u1ec3 b\u00e0i ti\u1ebft kh\u1ecfi c\u01a1 th\u1ec3, gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng cholesterol trong m\u00e1u; lo\u1ea1i b\u1ecf cholesterol t\u00edch t\u1ee5 trong \u0111\u1ed9ng m\u1ea1ch; gia t\u0103ng c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 \u00edch c\u1ee7a m\u00e1u nh\u01b0 lipoprotein, c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng trong ph\u00f2ng ch\u1ed1ng x\u01a1 v\u1eefa \u0111\u1ed9ng m\u1ea1ch.<\/p>\n

          \n
        1. Tham gia qu\u00e1 tr\u00ecnh b\u00e0i ti\u1ebft ch\u1ea5t \u0111\u1ed9c kh\u1ecfi c\u01a1 th\u1ec3<\/strong><\/li>\n<\/ol>\n

          Ti\u1ebfp t\u1ee5c \u00f4-xy h\u00f3a th\u00e0nh glutathione (diketo golunat) c\u00f9ng v\u1edbi ch\u1ea5t \u0111\u1ed9c trong c\u01a1 th\u1ec3 b\u1ecb b\u00e0i ti\u1ebft ra ngo\u00e0i.<\/p>\n

            \n
          1. Ph\u00f2ng ch\u1ed1ng ung th\u01b0<\/strong><\/li>\n<\/ol>\n

            Vi\u1ec7c gi\u1ea3m vitamin C trong \u0111\u01b0\u1eddng ti\u00eau h\u00f3a ng\u0103n ch\u1eb7n s\u1ef1 h\u00ecnh th\u00e0nh nitrosamines, c\u00f3 hi\u1ec7u qu\u1ea3 ng\u0103n ng\u1eeba s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c kh\u1ed1i u \u0111\u01b0\u1eddng ti\u00eau h\u00f3a; ngo\u00e0i ra vitamin C c\u00f2n tham gia trong t\u1ed5ng h\u1ee3p collagen, gi\u00fap c\u00e1c t\u1ebf b\u00e0o k\u1ebd duy tr\u00ec c\u1ea5u tr\u00fac b\u00ecnh th\u01b0\u1eddng, l\u00e0m gi\u1ea3m qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a t\u1ebf b\u00e0o ung th\u01b0.<\/p>\n

              \n
            1. Ch\u1ed1ng c\u1ea3m l\u1ea1nh<\/strong><\/li>\n<\/ol>\n

              Vitamin C c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng kh\u00e1ng b\u1ec7nh c\u1ee7a c\u00e1c t\u1ebf b\u00e0o mi\u1ec5n d\u1ecbch v\u00e0 t\u0103ng c\u01b0\u1eddng mi\u1ec5n d\u1ecbch c\u1ee7a c\u01a1 th\u1ec3 v\u00e0 mi\u1ec5n d\u1ecbch humoral, lo\u1ea1i b\u1ecf c\u00e1c y\u1ebfu t\u1ed1 g\u00e2y b\u1ec7nh, gi\u1eef h\u1ec7 h\u00f4 h\u1ea5p \u0111\u01b0\u1ee3c b\u1ea3o to\u00e0n. Khi thi\u1ebfu n\u00f3, bi\u1ec3u m\u00f4 t\u1ebf b\u00e0o kh\u00e1ng b\u1ec7nh \u1edf kh\u00ed qu\u1ea3n v\u00e0 ph\u1ebf qu\u1ea3n b\u1ecb gi\u1ea3m xu\u1ed1ng. C\u00e1c th\u00ed nghi\u1ec7m cho th\u1ea5y, u\u1ed1ng 1.000 mg vitamin C m\u1ed7i ng\u00e0y c\u00f3 th\u1ec3 gi\u1ea3m 50% nguy c\u01a1 b\u1ecb c\u1ea3m l\u1ea1nh v\u00e0 gi\u1ea3m 23% c\u00e1c tri\u1ec7u ch\u1ee9ng c\u1ea3m c\u00fam.<\/p>\n

                \n
              1. B\u1ea3o v\u1ec7 da, ch\u1ed1ng n\u1ebfp nh\u0103n<\/strong><\/li>\n<\/ol>\n

                Vitamin C l\u00e0 ch\u1ea5t k\u00edch ho\u1ea1t enzyme, c\u00f3 th\u1ec3 gia t\u0103ng s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed9t s\u1ed1 kim lo\u1ea1i, gi\u00fap da ch\u1ed1ng l\u1ea1i c\u00e1c g\u1ed1c t\u1ef1 do sinh ra b\u1edfi tia c\u1ef1c t\u00edm, tr\u00e1nh s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a t\u00e0n nhang, th\u00fac \u0111\u1ea9y s\u1ef1 trao \u0111\u1ed5i ch\u1ea5t, g\u00f3p ph\u1ea7n ng\u0103n ng\u1eeba l\u00e3o h\u00f3a da.<\/p>\n

                Ch\u00fa \u00fd:<\/em><\/p>\n

                – Vitamin C ch\u1ee7 y\u1ebfu c\u00f3 trong rau qu\u1ea3 t\u01b0\u01a1i. C\u00e1c lo\u1ea1i th\u1ef1c ph\u1ea9m gi\u00e0u VC nh\u01b0 cam, t\u00e1o, s\u01a1n tra, chanh, kiwi, c\u00e0 chua, \u1edbt xanh, gi\u00e1 \u0111\u1eadu, b\u00f4ng c\u1ea3i xanh v\u00e0 m\u1ed9t lo\u1ea1t c\u00e1c lo\u1ea1i rau l\u00e1 \u0111\u1eadm m\u00e0u.<\/p>\n

                – N\u1ebfu ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng kh\u00f4ng \u0111\u1ee7 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u vitamin C c\u1ee7a c\u01a1 th\u1ec3,\u00a0th\u00ec c\u00f3 th\u1ec3 thay th\u1ebf b\u1eb1ng d\u1ea1ng vi\u00ean b\u1ed5 sung (2-3 vi\u00ean m\u1ed7i ng\u00e0y). Vitamin C l\u00e0 ch\u1ea5t h\u00f2a tan trong n\u01b0\u1edbc. N\u1ebfu l\u01b0\u1ee3ng Vitamin C trong c\u01a1 th\u1ec3 d\u01b0 th\u1eeba, ch\u00fang s\u1ebd t\u1ef1 \u0111\u1ed9ng b\u00e0i ti\u1ebft kh\u1ecfi c\u01a1 th\u1ec3, kh\u00f4ng mang \u0111\u1ed9c t\u00ednh. Ngo\u00e0i ra, ng\u01b0\u1eddi h\u00fat thu\u1ed1c l\u00e1, aspirin, thu\u1ed1c tr\u00e1nh thai, th\u01b0\u1eddng xuy\u00ean c\u0103ng th\u1eb3ng t\u00e2m l\u00fd v\u00e0 l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng n\u00f3ng b\u1ee9c c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ed5 sung l\u01b0\u1ee3ng vitamin C cho c\u01a1 th\u1ec3.<\/p>\n

                – C\u00e1c s\u1ea3n ph\u1ea9m m\u1ef9 ph\u1ea9m th\u01b0\u1eddng ch\u1ee9a nhi\u1ec1u vitamin C, d\u00f9ng kh\u00f4ng \u0111\u00fang c\u00e1ch s\u1ebd g\u00e2y ra t\u00e1c d\u1ee5ng ph\u1ee5. Vitamin C c\u00f3 t\u00ednh th\u1ea9m th\u1ea5u m\u1ea1nh, s\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u khi\u1ebfn da b\u1ecb m\u1ea5t n\u01b0\u1edbc, kh\u00f4 da v\u00e0 th\u1eadm ch\u00ed \u0111\u1ecf r\u00e1t da. Vitamin C c\u00f3 trong m\u1ef9 ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf qua nhi\u1ec1u h\u00ecnh th\u1ee9c. V\u00ec v\u1eady, ph\u1ee5 n\u1eef mu\u1ed1n l\u00e0m \u0111\u1eb9p, h\u00e3y d\u00f9ng rau qu\u1ea3 t\u01b0\u01a1i v\u00e0 hoa qu\u1ea3 \u0111\u1ec3 s\u1ef1 h\u1ea5p th\u1ee5 vitamin C \u0111\u01b0\u1ee3c t\u1ed1t h\u01a1n.<\/p>\n

                H\u1ea1nh Ph\u00fac<\/strong><\/p>\n

                Theo\u00a0People<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

                Vitamin C kh\u00f4ng h\u1ec1 xa l\u1ea1 nh\u01b0ng kh\u00f4ng ph\u1ea3i ai c\u0169ng bi\u1ebft r\u00f5 nh\u1eefng t\u00e1c d\u1ee5ng h\u1eefu \u00edch c\u1ee7a vitamin C. Nh\u1eefng t\u00e1c d\u1ee5ng d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n t\u00ecm hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 t\u1ea7m quan tr\u1ecdng c\u1ee7a vi ch\u1ea5t n\u00e0y. Vitamin C c\u00f2n g\u1ecdi l\u00e0 acid ascorbic. N\u00f3 t\u1ed3n t\u1ea1i trong c\u01a1 th\u1ec3 ch\u00fang […]\n","protected":false},"author":2,"featured_media":144,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-140","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thong-tin"],"_links":{"self":[{"href":"https:\/\/trangwebvang.net\/bes\/wp-json\/wp\/v2\/posts\/140","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/trangwebvang.net\/bes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/trangwebvang.net\/bes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/trangwebvang.net\/bes\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/trangwebvang.net\/bes\/wp-json\/wp\/v2\/comments?post=140"}],"version-history":[{"count":0,"href":"https:\/\/trangwebvang.net\/bes\/wp-json\/wp\/v2\/posts\/140\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/trangwebvang.net\/bes\/wp-json\/wp\/v2\/media\/144"}],"wp:attachment":[{"href":"https:\/\/trangwebvang.net\/bes\/wp-json\/wp\/v2\/media?parent=140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/trangwebvang.net\/bes\/wp-json\/wp\/v2\/categories?post=140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/trangwebvang.net\/bes\/wp-json\/wp\/v2\/tags?post=140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}