{"id":17821,"date":"2026-09-18T03:47:17","date_gmt":"2026-09-17T20:47:17","guid":{"rendered":"https:\/\/useful.vn\/?p=17821"},"modified":"2026-09-18T03:47:17","modified_gmt":"2026-09-17T20:47:17","slug":"tra-xanh-trai-cay-co-that-su-ky-hai-san","status":"publish","type":"post","link":"https:\/\/useful.vn\/?p=17821","title":{"rendered":"Tr\u00e0 xanh, tr\u00e1i c\u00e2y c\u00f3 th\u1eadt s\u1ef1 &#8216;k\u1ef5&#8217; h\u1ea3i s\u1ea3n?"},"content":{"rendered":"<article class=\"cate-24h-foot-arti-deta-info\">\n<h2 class=\"cate-24h-foot-arti-deta-sum ctTp tuht_show\" id=\"article_sapo\"><strong><br \/>\n                    Quan ni\u1ec7m tr\u00e0 xanh hay hoa qu\u1ea3 gi\u00e0u tannin nh\u01b0 h\u1ed3ng, \u1ed5i g\u00e2y \u0111\u1ed9c khi \u0103n c\u00f9ng h\u1ea3i s\u1ea3n l\u00e0 lo l\u1eafng ph\u1ed5 bi\u1ebfn c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi.                <\/strong><\/h2>\n<p><em>T\u00f4i \u0111\u1ecdc tr\u00ean m\u1ea1ng c\u00f3 th\u00f4ng tin cho r\u1eb1ng kh\u00f4ng n\u00ean u\u1ed1ng tr\u00e0 xanh ho\u1eb7c \u0103n tr\u00e1i c\u00e2y gi\u00e0u tannin (h\u1ed3ng, \u1ed5i) ngay sau khi \u0103n h\u1ea3i s\u1ea3n. \u0110i\u1ec1u n\u00e0y c\u00f3 \u0111\u00fang kh\u00f4ng th\u01b0a b\u00e1c s\u0129? (Thu H\u01b0\u01a1ng, C\u1ea7u Gi\u1ea5y, H\u00e0 N\u1ed9i)<\/em><\/p>\n<p><strong>PGS. TS Nguy\u1ec5n Tr\u1ecdng H\u01b0ng, Gi\u00e1m \u0111\u1ed1c Trung t\u00e2m T\u01b0 v\u1ea5n, Ph\u1ee5c h\u1ed3i Dinh d\u01b0\u1ee1ng v\u00e0 Ki\u1ec3m so\u00e1t B\u00e9o ph\u00ec thu\u1ed9c Vi\u1ec7n Dinh d\u01b0\u1ee1ng t\u01b0 v\u1ea5n:<\/strong><\/p>\n<p>Sau b\u1eefa \u0103n h\u1ea3i s\u1ea3n, nhi\u1ec1u ng\u01b0\u1eddi c\u00f3 th\u00f3i quen th\u01b0\u1edfng th\u1ee9c m\u1ed9t t\u00e1ch tr\u00e0 xanh ho\u1eb7c \u0103n c\u00e1c lo\u1ea1i tr\u00e1i c\u00e2y nh\u01b0 h\u1ed3ng, \u1ed5i. Tuy nhi\u00ean, d\u00e2n gian th\u01b0\u1eddng cho r\u1eb1ng tr\u00e0 xanh v\u00e0 th\u1ef1c ph\u1ea9m gi\u00e0u tannin &#8220;k\u1ef5&#8221; h\u1ea3i s\u1ea3n, c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh ch\u1ea5t \u0111\u1ed9c ho\u1eb7c l\u00e0m \u0111au b\u1ee5ng.<\/p>\n<p>Th\u1ef1c t\u1ebf, kh\u00f4ng ph\u1ea3i h\u1ea3i s\u1ea3n v\u00e0 c\u00e1c th\u1ef1c ph\u1ea9m n\u00e0y &#8220;k\u1ef5&#8221; nhau m\u00e0 v\u1ea5n \u0111\u1ec1 ch\u1ee7 y\u1ebfu li\u00ean quan \u0111\u1ebfn kh\u1ea3 n\u0103ng h\u1ea5p thu dinh d\u01b0\u1ee1ng v\u00e0 s\u1ef1 kh\u00f3 ch\u1ecbu c\u1ee7a h\u1ec7 ti\u00eau h\u00f3a. Tannin l\u00e0 nh\u00f3m h\u1ee3p ch\u1ea5t t\u1ef1 nhi\u00ean c\u00f3 nhi\u1ec1u trong tr\u00e0, c\u00e0 ph\u00ea, h\u1ed3ng, \u1ed5i&#8230; Tannin c\u00f3 kh\u1ea3 n\u0103ng li\u00ean k\u1ebft v\u1edbi protein v\u00e0 m\u1ed9t s\u1ed1 kho\u00e1ng ch\u1ea5t, t\u1eeb \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh h\u1ea5p thu dinh d\u01b0\u1ee1ng.<\/p>\n<div id=\"container-24h-banner-in-image\">\n<div><span><img decoding=\"async\" class=\"news-image\" alt=\"\u0102n h\u1ea3i s\u1ea3n c\u00f3 n\u00ean ki\u00eang u\u1ed1ng tr\u00e0, \u0103n h\u1ed3ng \u1ed5i ? \u1ea2nh: Linh Nga\" src=\"http:\/\/useful.vn\/wp-content\/uploads\/2026\/09\/1788768676-7a6501170e-tom-chien-xu-2564-width740height690.jpg\" width=\"740\" title=\"1788768676-7a6501170e-tom-chien-xu-2564-width740height690\"><\/span><\/p>\n<div id=\"24h-banner-in-image\">\n<div id=\"24h-banner-in-image-close\"><img decoding=\"async\" id=\"in-image-close\" class=\"img_tin_lien_quan_trong_bai\" width=\"20px\" src=\"http:\/\/useful.vn\/wp-content\/uploads\/2026\/09\/in-image-close-155.svg\" title=\"in-image-close-155\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p class=\"img_chu_thich_0407\">\u0102n h\u1ea3i s\u1ea3n c\u00f3 n\u00ean ki\u00eang u\u1ed1ng tr\u00e0, \u0103n h\u1ed3ng \u1ed5i ? \u1ea2nh: Linh Nga<\/p>\n<p><strong>\u0102n h\u1ea3i s\u1ea3n r\u1ed3i u\u1ed1ng tr\u00e0 c\u00f3 g\u00e2y &#8220;\u0111\u1ed9c&#8221; kh\u00f4ng?<\/strong><\/p>\n<p>Ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 c\u01a1 s\u1edf khoa h\u1ecdc n\u00e0o kh\u1eb3ng \u0111\u1ecbnh tr\u00e0 xanh k\u1ebft h\u1ee3p v\u1edbi h\u1ea3i s\u1ea3n (t\u00f4m, cua, c\u00e1, ngao, s\u00f2) s\u1ebd sinh ra ch\u1ea5t \u0111\u1ed9c trong c\u01a1 th\u1ec3.<\/p>\n<p>Tuy nhi\u00ean, n\u1ebfu b\u1eefa \u0103n h\u1ea3i s\u1ea3n ch\u1ee9a nhi\u1ec1u s\u1eaft, vi\u1ec7c u\u1ed1ng tr\u00e0 ngay sau \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m h\u1ea5p thu s\u1eaft. Nguy\u00ean nh\u00e2n l\u00e0 polyphenol trong tr\u00e0 g\u1eafn k\u1ebft v\u1edbi s\u1eaft, khi\u1ebfn c\u01a1 th\u1ec3 kh\u00f3 h\u1ea5p thu h\u01a1n. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t \u0111\u00e1ng l\u01b0u \u00fd \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi \u0111ang thi\u1ebfu s\u1eaft ho\u1eb7c c\u00f3 nguy c\u01a1 thi\u1ebfu m\u00e1u thi\u1ebfu s\u1eaft. V\u00ec v\u1eady, thay v\u00ec u\u1ed1ng ngay, b\u1ea1n n\u00ean u\u1ed1ng tr\u00e0 c\u00e1ch b\u1eefa \u0103n m\u1ed9t kho\u1ea3ng th\u1eddi gian h\u1ee3p l\u00fd.<\/p>\n<p>Hi\u1ec7n kh\u00f4ng c\u00f3 quy \u0111\u1ecbnh b\u1eaft bu\u1ed9c n\u00e0o ph\u1ea3i tr\u00e1nh tr\u00e1i c\u00e2y sau khi \u0103n h\u1ea3i s\u1ea3n, b\u1ea1n kh\u00f4ng c\u1ea7n qu\u00e1 lo l\u1eafng v\u1ec1 vi\u1ec7c &#8220;\u0103n tr\u00e1i c\u00e2y sau h\u1ea3i s\u1ea3n s\u1ebd b\u1ecb \u0111\u1ed9c&#8221;.<\/p>\n<p>N\u1ebfu mu\u1ed1n d\u00f9ng tr\u00e1i c\u00e2y sau b\u1eefa \u0103n, b\u1ea1n n\u00ean ch\u1ecdn l\u01b0\u1ee3ng v\u1eeba ph\u1ea3i v\u00e0 \u01b0u ti\u00ean c\u00e1c lo\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi c\u01a1 th\u1ec3. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi c\u1ea7n c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng h\u1ea5p thu s\u1eaft, c\u00e1c lo\u1ea1i tr\u00e1i c\u00e2y gi\u00e0u vitamin C nh\u01b0 cam, qu\u00fdt, kiwi, \u1ed5i l\u1ea1i r\u1ea5t c\u00f3 l\u1ee3i v\u00ec gi\u00fap h\u1ed7 tr\u1ee3 c\u01a1 th\u1ec3 h\u1ea5p thu s\u1eaft t\u1ed1t h\u01a1n t\u1eeb th\u1ef1c ph\u1ea9m.<\/p>\n<p><strong>\u0102n h\u1ea3i s\u1ea3n th\u1ebf n\u00e0o cho h\u1ee3p l\u00fd?<\/strong><\/p>\n<p>&#8211; Kh\u00f4ng u\u1ed1ng tr\u00e0 xanh ngay sau khi \u0103n c\u00e1c m\u00f3n h\u1ea3i s\u1ea3n gi\u00e0u s\u1eaft, \u0111\u1eb7c bi\u1ec7t v\u1edbi ng\u01b0\u1eddi thi\u1ebfu m\u00e1u.<\/p>\n<p>&#8211; L\u1ef1a ch\u1ecdn l\u01b0\u1ee3ng tr\u00e1i c\u00e2y v\u1eeba ph\u1ea3i, \u01b0u ti\u00ean hoa qu\u1ea3 gi\u00e0u vitamin C \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng h\u1ea5p thu d\u01b0\u1ee1ng ch\u1ea5t.<\/p>\n<p>&#8211; L\u1eafng nghe c\u01a1 th\u1ec3 v\u00e0 duy tr\u00ec kho\u1ea3ng th\u1eddi gian h\u1ee3p l\u00fd gi\u1eefa b\u1eefa \u0103n ch\u00ednh v\u1edbi vi\u1ec7c u\u1ed1ng tr\u00e0 hay \u0103n \u0111\u1ed3 ng\u1ecdt\/tr\u00e1i c\u00e2y \u0111\u1ec3 h\u1ec7 ti\u00eau h\u00f3a ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 nh\u1ea5t.<\/p>\n<div class=\"bv-lq\">\n<div class=\"bv-lq-inner\">\n<div class=\"img-bv-lq imgFloat pos-rel\"><img decoding=\"async\" src=\"http:\/\/useful.vn\/wp-content\/uploads\/2026\/09\/adt1785509099-6149cc33c8-i2r1gzfpvileuoyxjlbybufij__anh_cat_3_2.jpg\" alt=\"Ng\u01b0\u1eddi \u0111\u00e0n \u00f4ng su\u00fdt ch\u1ebft sau b\u1eefa h\u1ea3i s\u1ea3n s\u1ed1ng\" class=\"img_tin_lien_quan_trong_bai width-100\" title=\"adt1785509099-6149cc33c8-i2r1gzfpvileuoyxjlbybufij__anh_cat_3_2\"><\/div>\n<div class=\"content-bv-lq\">\n<div class=\"title-bv\">\n                        Ng\u01b0\u1eddi \u0111\u00e0n \u00f4ng su\u00fdt ch\u1ebft sau b\u1eefa h\u1ea3i s\u1ea3n s\u1ed1ng\n                <\/div>\n<div class=\"ct-bv\">\n<p>Ng\u01b0\u1eddi \u0111\u00e0n \u00f4ng \u1edf Th\u01b0\u1ee3ng H\u1ea3i b\u1ecb lo\u00e9t ru\u1ed9t, xu\u1ea5t huy\u1ebft \u1ed3 \u1ea1t v\u00e0 s\u1ed1c nhi\u1ec5m tr\u00f9ng sau khi \u0103n nhi\u1ec1u h\u1ea3i s\u1ea3n s\u1ed1ng trong chuy\u1ebfn c\u00f4ng t\u00e1c t\u1ea1i Th\u00e1i Lan.<\/p>\n<\/div>\n<div class=\"see-now\">B\u1ea5m xem &gt;&gt;\n                <\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<hr>\n<p>https:\/\/www.24h.com.vn\/suc-khoe\/tra-xanh-trai-cay-co-that-su-ky-hai-san-c62a1792757.html<\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quan ni\u1ec7m tr\u00e0 xanh hay hoa qu\u1ea3 gi\u00e0u tannin nh\u01b0 h\u1ed3ng, \u1ed5i g\u00e2y \u0111\u1ed9c khi \u0103n c\u00f9ng h\u1ea3i s\u1ea3n l\u00e0 lo l\u1eafng ph\u1ed5 bi\u1ebfn c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi. T\u00f4i \u0111\u1ecdc tr\u00ean m\u1ea1ng c\u00f3 th\u00f4ng tin cho r\u1eb1ng kh\u00f4ng n\u00ean u\u1ed1ng tr\u00e0 xanh ho\u1eb7c \u0103n tr\u00e1i c\u00e2y gi\u00e0u tannin (h\u1ed3ng, \u1ed5i) ngay sau khi \u0103n h\u1ea3i s\u1ea3n.<\/p>\n","protected":false},"author":1,"featured_media":17822,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-17821","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-suc-khoe"],"_links":{"self":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/17821","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17821"}],"version-history":[{"count":0,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/17821\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/media\/17822"}],"wp:attachment":[{"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17821"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17821"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17821"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}