{"id":10253,"date":"2025-12-02T03:44:53","date_gmt":"2025-12-02T03:44:53","guid":{"rendered":"https:\/\/bamboovipfood.com\/?p=10253"},"modified":"2026-01-31T14:26:49","modified_gmt":"2026-01-31T14:26:49","slug":"tai-sao-vitamin-trong-trai-cay-say-thang-hoa-khong-mat-di","status":"publish","type":"post","link":"https:\/\/bamboovipfood.com\/en\/why-freeze-dried-fruits-retain-vitamins\/","title":{"rendered":"Why don't vitamins in freeze-dried fruit disappear?"},"content":{"rendered":"<p><b>Vitamin trong tr\u00e1i c\u00e2y s\u1ea5y th\u0103ng hoa<\/b> \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i g\u1ea7n nh\u01b0 nguy\u00ean v\u1eb9n (tr\u00ean 90%) l\u00e0 minh ch\u1ee9ng cho s\u1ef1 v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a c\u00f4ng ngh\u1ec7 \u0111\u00f4ng kh\u00f4 (Freeze Drying) so v\u1edbi s\u1ea5y nhi\u1ec7t truy\u1ec1n th\u1ed1ng. S\u1ef1 kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i n\u1eb1m \u1edf nguy\u00ean l\u00fd lo\u1ea1i b\u1ecf n\u01b0\u1edbc trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p v\u00e0 \u00e1p su\u1ea5t ch\u00e2n kh\u00f4ng. B\u00e0i vi\u1ebft n\u00e0y, <a href=\"https:\/\/bamboovipfood.com\/en\/\">bamboovipfood.com<\/a> s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft c\u01a1 ch\u1ebf khoa h\u1ecdc gi\u00fap c\u00f4ng ngh\u1ec7 n\u00e0y b\u1ea3o to\u00e0n \u0111\u01b0\u1ee3c h\u00e0m l\u01b0\u1ee3ng dinh d\u01b0\u1ee1ng qu\u00fd gi\u00e1.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c L\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/bamboovipfood.com\/en\/why-freeze-dried-fruits-retain-vitamins\/#Tai_sao_nhiet_do_am_bao_ve_vitamin_khi_say_thang_hoa\" >T\u1ea1i sao nhi\u1ec7t \u0111\u1ed9 \u00e2m b\u1ea3o v\u1ec7 vitamin khi s\u1ea5y th\u0103ng hoa?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/bamboovipfood.com\/en\/why-freeze-dried-fruits-retain-vitamins\/#Co_che_bao_toan_vitamin_trong_trai_cay_say_thang_hoa\" >C\u01a1 ch\u1ebf b\u1ea3o to\u00e0n vitamin trong tr\u00e1i c\u00e2y s\u1ea5y th\u0103ng hoa<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/bamboovipfood.com\/en\/why-freeze-dried-fruits-retain-vitamins\/#Giai_doan_dong_lanh_cuc_nhanh_Pre-freezing\" >Giai \u0111o\u1ea1n \u0111\u00f4ng l\u1ea1nh c\u1ef1c nhanh (Pre-freezing)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/bamboovipfood.com\/en\/why-freeze-dried-fruits-retain-vitamins\/#Giai_doan_thang_hoa_Primary_Drying\" >Giai \u0111o\u1ea1n th\u0103ng hoa (Primary Drying)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/bamboovipfood.com\/en\/why-freeze-dried-fruits-retain-vitamins\/#Giai_doan_hut_am_Secondary_Drying\" >Giai \u0111o\u1ea1n h\u00fat \u00e2m (Secondary Drying)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/bamboovipfood.com\/en\/why-freeze-dried-fruits-retain-vitamins\/#Cau_truc_xop_Bang_chung_vat_ly_cua_su_bao_toan\" >C\u1ea5u tr\u00fac x\u1ed1p: B\u1eb1ng ch\u1ee9ng v\u1eadt l\u00fd c\u1ee7a s\u1ef1 b\u1ea3o to\u00e0n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/bamboovipfood.com\/en\/why-freeze-dried-fruits-retain-vitamins\/#So_sanh_hieu_qua_bao_toan_vitamin_C_Nghien_cuu_dien_hinh\" >So s\u00e1nh hi\u1ec7u qu\u1ea3 b\u1ea3o to\u00e0n vitamin C (Nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/bamboovipfood.com\/en\/why-freeze-dried-fruits-retain-vitamins\/#Toi_uu_hoa_gia_tri_san_pham_trai_cay_khi_say_dong_kho\" >T\u1ed1i \u01b0u h\u00f3a gi\u00e1 tr\u1ecb s\u1ea3n ph\u1ea9m tr\u00e1i c\u00e2y khi s\u1ea5y \u0111\u00f4ng kh\u00f4<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Tai_sao_nhiet_do_am_bao_ve_vitamin_khi_say_thang_hoa\"><\/span>T\u1ea1i sao nhi\u1ec7t \u0111\u1ed9 \u00e2m b\u1ea3o v\u1ec7 vitamin khi s\u1ea5y th\u0103ng hoa?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e1c <b>vitamin<\/b> tan trong n\u01b0\u1edbc, \u0111\u1eb7c bi\u1ec7t l\u00e0 <b>Vitamin C<\/b> (Acid Ascorbic) v\u00e0 c\u00e1c <b>Vitamin nh\u00f3m B<\/b>, r\u1ea5t <b>nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t<\/b> (thermolabile) v\u00e0 d\u1ec5 b\u1ecb ph\u00e2n h\u1ee7y h\u00f3a h\u1ecdc khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 oxy h\u00f3a.<\/p>\n<table>\n<thead>\n<tr>\n<td><strong>Ph\u1ea3n \u1ee8ng G\u00e2y M\u1ea5t M\u00e1t Dinh D\u01b0\u1ee1ng<\/strong><\/td>\n<td><strong>S\u1ea5y Nhi\u1ec7t (Hot Air Drying)<\/strong><\/td>\n<td><strong>S\u1ea5y Th\u0103ng Hoa (Freeze Drying)<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><b>Ph\u00e2n h\u1ee7y do Nhi\u1ec7t<\/b><\/td>\n<td>X\u1ea3y ra m\u1ea1nh m\u1ebd do nhi\u1ec7t \u0111\u1ed9 60C<\/td>\n<td>H\u1ea1n ch\u1ebf t\u1ed1i \u0111a, qu\u00e1 tr\u00ecnh di\u1ec5n ra \u1edf nhi\u1ec7t \u0111\u1ed9 \u00e2m.<\/td>\n<\/tr>\n<tr>\n<td><b>Oxy h\u00f3a<\/b><\/td>\n<td>T\u0103ng t\u1ed1c \u0111\u1ed9 do nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed.<\/td>\n<td>Gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a, di\u1ec5n ra trong m\u00f4i tr\u01b0\u1eddng <b>ch\u00e2n kh\u00f4ng<\/b>.<\/td>\n<\/tr>\n<tr>\n<td><b>Th\u1ea5t tho\u00e1t Ch\u1ea5t d\u1ec5 bay h\u01a1i<\/b><\/td>\n<td>L\u1edbn (m\u1ea5t h\u01b0\u01a1ng v\u1ecb, m\u00f9i th\u01a1m t\u1ef1 nhi\u00ean).<\/td>\n<td>R\u1ea5t nh\u1ecf (b\u1ea3o to\u00e0n c\u1ea5u tr\u00fac h\u00f3a h\u1ecdc).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Co_che_bao_toan_vitamin_trong_trai_cay_say_thang_hoa\"><\/span>C\u01a1 ch\u1ebf b\u1ea3o to\u00e0n vitamin trong tr\u00e1i c\u00e2y s\u1ea5y th\u0103ng hoa<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Technology <b>sublimation (freeze-drying)<\/b> l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd, ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd chuy\u1ec3n n\u01b0\u1edbc t\u1eeb th\u1ec3 r\u1eafn sang th\u1ec3 kh\u00ed m\u00e0 kh\u00f4ng qua th\u1ec3 l\u1ecfng, lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c c\u00e1c t\u00e1c nh\u00e2n g\u00e2y h\u1ea1i cho dinh d\u01b0\u1ee1ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Giai_doan_dong_lanh_cuc_nhanh_Pre-freezing\"><\/span>Giai \u0111o\u1ea1n \u0111\u00f4ng l\u1ea1nh c\u1ef1c nhanh (Pre-freezing)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nguy\u00ean li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u01b0a xu\u1ed1ng nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p (25C \u0111\u1ebfn -45C).<\/p>\n<ul>\n<li><b>L\u1ee3i \u00edch chuy\u00ean m\u00f4n:<\/b> Ensures <b>tinh th\u1ec3 b\u0103ng nh\u1ecf<\/b> (micro-crystals) \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh nhanh ch\u00f3ng v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u. \u0110i\u1ec1u n\u00e0y b\u1ea3o v\u1ec7 m\u00e0ng t\u1ebf b\u00e0o kh\u1ecfi b\u1ecb ph\u00e1 v\u1ee1 v\u00e0 gi\u1eef v\u1eefng c\u1ea5u tr\u00fac v\u1eadt l\u00fd c\u1ee7a s\u1ea3n ph\u1ea9m.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Giai_doan_thang_hoa_Primary_Drying\"><\/span>Giai \u0111o\u1ea1n th\u0103ng hoa (Primary Drying)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-path-to-node=\"16\">Nguy\u00ean li\u1ec7u \u0111\u00f4ng l\u1ea1nh \u0111\u01b0\u1ee3c \u0111\u1eb7t trong bu\u1ed3ng s\u1ea5y c\u00f3 <b>vacuum pressure<\/b> c\u1ef1c th\u1ea5p.<\/p>\n<ul>\n<li><b>L\u1ee3i \u00edch chuy\u00ean m\u00f4n:<\/b> D\u01b0\u1edbi \u00e1p su\u1ea5t ch\u00e2n kh\u00f4ng, <b>n\u01b0\u1edbc \u0111\u00e1 th\u0103ng hoa<\/b> (Sublimation) th\u00e0nh h\u01a1i n\u01b0\u1edbc. Qu\u00e1 tr\u00ecnh n\u00e0y <b>kh\u00f4ng s\u1eed d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao<\/b>, gi\u00fap b\u1ea3o v\u1ec7 g\u1ea7n nh\u01b0 nguy\u00ean v\u1eb9n c\u00e1c <b>vitamin nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t<\/b> (nh\u01b0 <b>Vitamin C<\/b>, <b>Vitamin A<\/b> and <b>Vitamin nh\u00f3m B<\/b>), c\u00e1c <b>enzyme<\/b> v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t <b>ch\u1ed1ng oxy h\u00f3a<\/b>.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Giai_doan_hut_am_Secondary_Drying\"><\/span>Giai \u0111o\u1ea1n h\u00fat \u00e2m (Secondary Drying)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u0103ng nh\u1eb9 (th\u01b0\u1eddng d\u01b0\u1edbi 40C) \u0111\u1ec3 lo\u1ea1i b\u1ecf ph\u1ea7n \u1ea9m li\u00ean k\u1ebft c\u00f2n s\u00f3t l\u1ea1i, gi\u00fap s\u1ea3n ph\u1ea9m \u0111\u1ea1t \u0111\u1ed9 \u1ea9m cu\u1ed1i c\u00f9ng d\u01b0\u1edbi 1% &#8211; 4%.<\/p>\n<ul>\n<li><b>L\u1ee3i \u00edch chuy\u00ean m\u00f4n:<\/b> Vi\u1ec7c lo\u1ea1i b\u1ecf g\u1ea7n nh\u01b0 to\u00e0n b\u1ed9 n\u01b0\u1edbc gi\u00fap v\u00f4 hi\u1ec7u h\u00f3a ho\u1ea1t \u0111\u1ed9ng c\u1ee7a enzyme v\u00e0 vi sinh v\u1eadt, \u0111\u1ea3m b\u1ea3o th\u1eddi gian <b>preserve<\/b> l\u00e2u d\u00e0i m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn c\u00e1c ch\u1ea5t b\u1ea3o qu\u1ea3n h\u00f3a h\u1ecdc.<\/li>\n<\/ul>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-10256 aligncenter\" src=\"https:\/\/bamboovipfood.com\/wp-content\/uploads\/2025\/12\/co-che-bao-toan-vitamin-trong-trai-cay-say-thang-hoa.webp\" alt=\"C\u01a1 Ch\u1ebf Gi\u1eef L\u1ea1i Vitamin Trong Tr\u00e1i C\u00e2y S\u1ea5y Th\u0103ng Hoa\" width=\"800\" height=\"533\" srcset=\"https:\/\/bamboovipfood.com\/wp-content\/uploads\/2025\/12\/co-che-bao-toan-vitamin-trong-trai-cay-say-thang-hoa.webp 800w, https:\/\/bamboovipfood.com\/wp-content\/uploads\/2025\/12\/co-che-bao-toan-vitamin-trong-trai-cay-say-thang-hoa-300x200.webp 300w, https:\/\/bamboovipfood.com\/wp-content\/uploads\/2025\/12\/co-che-bao-toan-vitamin-trong-trai-cay-say-thang-hoa-768x512.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cau_truc_xop_Bang_chung_vat_ly_cua_su_bao_toan\"><\/span>C\u1ea5u tr\u00fac x\u1ed1p: B\u1eb1ng ch\u1ee9ng v\u1eadt l\u00fd c\u1ee7a s\u1ef1 b\u1ea3o to\u00e0n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>S\u1ef1 b\u1ea3o to\u00e0n <b>vitamin<\/b> kh\u00f4ng ch\u1ec9 th\u1ec3 hi\u1ec7n qua c\u00e1c ch\u1ec9 s\u1ed1 h\u00f3a h\u1ecdc m\u00e0 c\u00f2n qua c\u1ea5u tr\u00fac v\u1eadt l\u00fd c\u1ee7a s\u1ea3n ph\u1ea9m. Qu\u00e1 tr\u00ecnh th\u0103ng hoa t\u1ea1o ra c\u00e1c kho\u1ea3ng tr\u1ed1ng li ti n\u01a1i n\u01b0\u1edbc \u0111\u00e1 t\u1eebng t\u1ed3n t\u1ea1i, khi\u1ebfn s\u1ea3n ph\u1ea9m sau s\u1ea5y c\u00f3 \u0111\u1ed9 <b>x\u1ed1p, gi\u00f2n tan<\/b> \u0111\u1eb7c tr\u01b0ng. C\u1ea5u tr\u00fac n\u00e0y kh\u00f4ng ch\u1ec9 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m \u1ea9m th\u1ef1c \u0111\u1ed9c \u0111\u00e1o m\u00e0 c\u00f2n l\u00e0 b\u1eb1ng ch\u1ee9ng v\u1eadt l\u00fd cho th\u1ea5y:<\/p>\n<ul>\n<li><b>Kh\u00f4ng b\u1ecb co r\u00fat:<\/b> C\u1ea5u tr\u00fac t\u1ebf b\u00e0o kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng do nhi\u1ec7t, gi\u1eef nguy\u00ean h\u00ecnh d\u1ea1ng v\u00e0 m\u00e0u s\u1eafc ban \u0111\u1ea7u.<\/li>\n<li><b>T\u00e1i hydrat h\u00f3a nhanh:<\/b> Nh\u1edd c\u1ea5u tr\u00fac x\u1ed1p, s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 n\u01b0\u1edbc v\u00e0 tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i g\u1ea7n nh\u01b0 t\u01b0\u01a1i ban \u0111\u1ea7u khi ng\u00e2m n\u01b0\u1edbc ho\u1eb7c ch\u1ebf bi\u1ebfn (m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong \u1ee9ng d\u1ee5ng th\u1ef1c ph\u1ea9m \u0103n li\u1ec1n).<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"So_sanh_hieu_qua_bao_toan_vitamin_C_Nghien_cuu_dien_hinh\"><\/span>So s\u00e1nh hi\u1ec7u qu\u1ea3 b\u1ea3o to\u00e0n vitamin C (Nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 l\u00e0m r\u00f5 hi\u1ec7u qu\u1ea3, c\u00e1c nghi\u00ean c\u1ee9u khoa h\u1ecdc th\u01b0\u1eddng l\u1ea5y <b>Vitamin C<\/b> l\u00e0m ch\u1ec9 s\u1ed1 \u0111o l\u01b0\u1eddng do t\u00ednh nh\u1ea1y c\u1ea3m cao c\u1ee7a n\u00f3.<\/p>\n<table>\n<thead>\n<tr>\n<td><strong>Ph\u01b0\u01a1ng Ph\u00e1p S\u1ea5y<\/strong><\/td>\n<td><strong>T\u1ef7 L\u1ec7 B\u1ea3o To\u00e0n Vitamin C (\u01af\u1edbc t\u00ednh)<\/strong><\/td>\n<td><strong>Ch\u1ea5t L\u01b0\u1ee3ng Chung<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><b>S\u1ea5y Th\u0103ng Hoa<\/b> (\u0110\u00f4ng Kh\u00f4)<\/td>\n<td><b>90% &#8211; 98%<\/b><\/td>\n<td>M\u00e0u s\u1eafc, h\u01b0\u01a1ng v\u1ecb, c\u1ea5u tr\u00fac, dinh d\u01b0\u1ee1ng \u0111\u01b0\u1ee3c b\u1ea3o to\u00e0n t\u1ed1i \u0111a.<\/td>\n<\/tr>\n<tr>\n<td><b>S\u1ea5y Nhi\u1ec7t<\/b> (Hot Air Drying)<\/td>\n<td><b>40% &#8211; 70%<\/b><\/td>\n<td>C\u1ea5u tr\u00fac c\u1ee9ng, m\u00e0u s\u1eabm, m\u1ea5t m\u00e1t h\u01b0\u01a1ng v\u1ecb.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>S\u1ef1 ch\u00eanh l\u1ec7ch n\u00e0y kh\u1eb3ng \u0111\u1ecbnh t\u00ednh \u01b0u vi\u1ec7t c\u1ee7a c\u00f4ng ngh\u1ec7 \u0111\u00f4ng kh\u00f4 trong vi\u1ec7c <b>b\u1ea3o to\u00e0n vitamin<\/b> v\u00e0 gi\u1eef nguy\u00ean gi\u00e1 tr\u1ecb <b>dinh d\u01b0\u1ee1ng<\/b> c\u1ed1t l\u00f5i c\u1ee7a <b>Freeze-Dried Fruit<\/b>.<\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-10257 aligncenter\" src=\"https:\/\/bamboovipfood.com\/wp-content\/uploads\/2025\/12\/so-sanh-su-khac-biet-trai-cay-say-dong-kho-va-say-nhiet.webp\" alt=\"So S\u00e1nh Hi\u1ec7u Qu\u1ea3 B\u1ea3o To\u00e0n Vitamin C\" width=\"800\" height=\"505\" srcset=\"https:\/\/bamboovipfood.com\/wp-content\/uploads\/2025\/12\/so-sanh-su-khac-biet-trai-cay-say-dong-kho-va-say-nhiet.webp 800w, https:\/\/bamboovipfood.com\/wp-content\/uploads\/2025\/12\/so-sanh-su-khac-biet-trai-cay-say-dong-kho-va-say-nhiet-300x189.webp 300w, https:\/\/bamboovipfood.com\/wp-content\/uploads\/2025\/12\/so-sanh-su-khac-biet-trai-cay-say-dong-kho-va-say-nhiet-768x485.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Toi_uu_hoa_gia_tri_san_pham_trai_cay_khi_say_dong_kho\"><\/span>T\u1ed1i \u01b0u h\u00f3a gi\u00e1 tr\u1ecb s\u1ea3n ph\u1ea9m tr\u00e1i c\u00e2y khi s\u1ea5y \u0111\u00f4ng kh\u00f4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Technology <b>sublimation (freeze-drying)<\/b> kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p s\u1ea5y kh\u00f4 m\u00e0 c\u00f2n l\u00e0 m\u1ed9t quy tr\u00ecnh k\u1ef9 thu\u1eadt cao c\u1ea5p gi\u00fap duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a s\u1ea3n ph\u1ea9m. <b>Freeze dried fruit<\/b> \u0111\u1ea1i di\u1ec7n cho xu h\u01b0\u1edbng ti\u00eau d\u00f9ng hi\u1ec7n \u0111\u1ea1i: ti\u1ec7n l\u1ee3i, c\u00f3 th\u1eddi h\u1ea1n <b>preserve<\/b> d\u00e0i, v\u00e0 quan tr\u1ecdng nh\u1ea5t l\u00e0 gi\u1eef \u0111\u01b0\u1ee3c tr\u1ecdn v\u1eb9n gi\u00e1 tr\u1ecb <b>vitamin<\/b> and <b>dinh d\u01b0\u1ee1ng<\/b> nh\u01b0 tr\u00e1i c\u00e2y t\u01b0\u01a1i. \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t t\u1ea1o n\u00ean gi\u00e1 tr\u1ecb kinh t\u1ebf v\u00e0 s\u1ee9c c\u1ea1nh tranh cho s\u1ea3n ph\u1ea9m tr\u00ean th\u1ecb tr\u01b0\u1eddng th\u1ef1c ph\u1ea9m s\u1ee9c kh\u1ecfe cao c\u1ea5p.<\/p>\n<blockquote><p>Mua c\u00e1c s\u1ea3n ph\u1ea9m tr\u00e1i c\u00e2y s\u1ea5y th\u0103ng hoa t\u1ea1i \u0111\u00e2y: <a href=\"https:\/\/bamboovipfood.com\/en\/product-category\/freeze-dried-fruit\/\">https:\/\/bamboovipfood.com\/en\/product-category\/trai-cay-say-thang-hoa\/<\/a><\/p><\/blockquote>\n<p>B\u00e0i vi\u1ebft li\u00ean quan: <a href=\"https:\/\/bamboovipfood.com\/en\/3-key-factors-freeze-dried-quality\/\">3 Key Factors Deciding the Quality of Freeze-Dried Products<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Vitamin trong tr\u00e1i c\u00e2y s\u1ea5y th\u0103ng hoa \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i g\u1ea7n nh\u01b0 nguy\u00ean v\u1eb9n (tr\u00ean 90%) l\u00e0 minh ch\u1ee9ng cho s\u1ef1 v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a c\u00f4ng ngh\u1ec7 \u0111\u00f4ng kh\u00f4 (Freeze Drying) so v\u1edbi s\u1ea5y nhi\u1ec7t truy\u1ec1n th\u1ed1ng. S\u1ef1 kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i n\u1eb1m \u1edf nguy\u00ean l\u00fd lo\u1ea1i b\u1ecf n\u01b0\u1edbc trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p [&hellip;]<\/p>","protected":false},"author":1,"featured_media":10255,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10253","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-loi-ich"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>T\u1ea1i sao vitamin trong tr\u00e1i c\u00e2y s\u1ea5y th\u0103ng hoa kh\u00f4ng m\u1ea5t \u0111i? - Bamboo Freeze Drying<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bamboovipfood.com\/en\/why-freeze-dried-fruits-retain-vitamins\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u1ea1i sao vitamin trong tr\u00e1i c\u00e2y s\u1ea5y th\u0103ng hoa kh\u00f4ng m\u1ea5t \u0111i? - Bamboo Freeze Drying\" \/>\n<meta property=\"og:description\" content=\"Vitamin trong tr\u00e1i c\u00e2y s\u1ea5y th\u0103ng hoa \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i g\u1ea7n nh\u01b0 nguy\u00ean v\u1eb9n (tr\u00ean 90%) l\u00e0 minh ch\u1ee9ng cho s\u1ef1 v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a c\u00f4ng ngh\u1ec7 \u0111\u00f4ng kh\u00f4 (Freeze Drying) so v\u1edbi s\u1ea5y nhi\u1ec7t truy\u1ec1n th\u1ed1ng. S\u1ef1 kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i n\u1eb1m \u1edf nguy\u00ean l\u00fd lo\u1ea1i b\u1ecf n\u01b0\u1edbc trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/bamboovipfood.com\/en\/why-freeze-dried-fruits-retain-vitamins\/\" \/>\n<meta property=\"og:site_name\" content=\"Bamboo Freeze Drying\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-02T03:44:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-31T14:26:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/bamboovipfood.com\/wp-content\/uploads\/2025\/12\/tai-sao-vita-mini-trong-trai-cay-say-thang-hoa.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"611\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"knc\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"knc\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/bamboovipfood.com\/tai-sao-vitamin-trong-trai-cay-say-thang-hoa-khong-mat-di\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/bamboovipfood.com\/tai-sao-vitamin-trong-trai-cay-say-thang-hoa-khong-mat-di\/\"},\"author\":{\"name\":\"knc\",\"@id\":\"https:\/\/bamboovipfood.com\/#\/schema\/person\/204b1918d403f0fc5df439ccb9a05bb8\"},\"headline\":\"T\u1ea1i sao vitamin trong tr\u00e1i c\u00e2y s\u1ea5y th\u0103ng hoa kh\u00f4ng m\u1ea5t \u0111i?\",\"datePublished\":\"2025-12-02T03:44:53+00:00\",\"dateModified\":\"2026-01-31T14:26:49+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/bamboovipfood.com\/tai-sao-vitamin-trong-trai-cay-say-thang-hoa-khong-mat-di\/\"},\"wordCount\":1447,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/bamboovipfood.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/bamboovipfood.com\/tai-sao-vitamin-trong-trai-cay-say-thang-hoa-khong-mat-di\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/bamboovipfood.com\/wp-content\/uploads\/2025\/12\/tai-sao-vita-mini-trong-trai-cay-say-thang-hoa.webp\",\"articleSection\":[\"L\u1ee3i \u00edch\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/bamboovipfood.com\/tai-sao-vitamin-trong-trai-cay-say-thang-hoa-khong-mat-di\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/bamboovipfood.com\/tai-sao-vitamin-trong-trai-cay-say-thang-hoa-khong-mat-di\/\",\"url\":\"https:\/\/bamboovipfood.com\/tai-sao-vitamin-trong-trai-cay-say-thang-hoa-khong-mat-di\/\",\"name\":\"T\u1ea1i sao vitamin trong tr\u00e1i c\u00e2y s\u1ea5y th\u0103ng hoa kh\u00f4ng m\u1ea5t \u0111i? 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