<\/span><\/h2>\nRau m\u1ea5t \u0111i \u0111\u1ed9 t\u01b0\u01a1i khi \u0111\u1ec3 trong t\u1ee7 l\u1ea1nh qu\u00e1 l\u00e2u l\u00e0 do m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 sinh l\u00fd v\u00e0 h\u00f3a h\u1ecdc x\u1ea3y ra trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng nguy\u00ean nh\u00e2n ch\u00ednh:<\/p>\n
Nguy\u00ean nh\u00e2n rau kh\u00f4ng t\u01b0\u01a1i khi \u0111\u1ec3 l\u00e2u trong t\u1ee7 l\u1ea1nh<\/figcaption><\/figure>\n\n- M\u1ea5t n\u01b0\u1edbc<\/strong>: Khi rau \u0111\u01b0\u1ee3c \u0111\u1ec3 trong t\u1ee7 l\u1ea1nh qu\u00e1 l\u00e2u, ch\u00fang d\u1ec5 b\u1ecb m\u1ea5t n\u01b0\u1edbc do qu\u00e1 tr\u00ecnh tho\u00e1t h\u01a1i n\u01b0\u1edbc t\u1ef1 nhi\u00ean. \u0110i\u1ec1u n\u00e0y khi\u1ebfn l\u00e1 rau tr\u1edf n\u00ean h\u00e9o, nh\u0103n nheo v\u00e0 m\u1ea5t \u0111i \u0111\u1ed9 t\u01b0\u01a1i ban \u0111\u1ea7u.<\/li>\n
- Qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p<\/strong>: Rau ti\u1ebfp t\u1ee5c h\u00f4 h\u1ea5p trong m\u00f4i tr\u01b0\u1eddng l\u1ea1nh, m\u1eb7c d\u00f9 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p gi\u00fap l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh n\u00e0y, nh\u01b0ng kh\u00f4ng th\u1ec3 ng\u1eebng ho\u00e0n to\u00e0n. Qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p ti\u00eau t\u1ed1n n\u0103ng l\u01b0\u1ee3ng v\u00e0 l\u00e0m gi\u1ea3m \u0111\u1ed9 t\u01b0\u01a1i c\u1ee7a rau theo th\u1eddi gian.<\/li>\n
- Ch\u1ea5t dinh d\u01b0\u1ee1ng b\u1ecb ph\u00e2n h\u1ee7y<\/strong>: Sau m\u1ed9t th\u1eddi gian d\u00e0i, c\u00e1c vitamin v\u00e0 ch\u1ea5t dinh d\u01b0\u1ee1ng trong rau, \u0111\u1eb7c bi\u1ec7t l\u00e0 vitamin C, d\u1ec5 d\u00e0ng b\u1ecb ph\u00e2n h\u1ee7y ho\u1eb7c m\u1ea5t \u0111i d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a \u00e1nh s\u00e1ng v\u00e0 nhi\u1ec7t \u0111\u1ed9 trong t\u1ee7 l\u1ea1nh. \u0110i\u1ec1u n\u00e0y l\u00e0m rau m\u1ea5t \u0111i gi\u00e1 tr\u1ecb dinh d\u01b0\u1ee1ng.<\/li>\n
- T\u1ea1o ra kh\u00ed ethylene<\/strong>: M\u1ed9t s\u1ed1 lo\u1ea1i rau v\u00e0 tr\u00e1i c\u00e2y c\u00f3 th\u1ec3 ph\u00e1t ra kh\u00ed ethylene trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n, g\u00e2y ch\u00edn s\u1edbm v\u00e0 l\u00e0m rau nhanh h\u1ecfng. Vi\u1ec7c kh\u00f4ng t\u00e1ch bi\u1ec7t c\u00e1c lo\u1ea1i rau c\u1ee7 c\u00f3 th\u1ec3 l\u00e0m gia t\u0103ng qu\u00e1 tr\u00ecnh n\u00e0y.<\/li>\n
- Nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/strong>: N\u1ebfu t\u1ee7 l\u1ea1nh kh\u00f4ng duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh ho\u1eb7c qu\u00e1 l\u1ea1nh, rau c\u00f3 th\u1ec3 b\u1ecb \u0111\u00f4ng l\u1ea1nh m\u1ed9t ph\u1ea7n, l\u00e0m thay \u0111\u1ed5i c\u1ea5u tr\u00fac t\u1ebf b\u00e0o, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng rau b\u1ecb m\u1ec1m v\u00e0 m\u1ea5t \u0111\u1ed9 gi\u00f2n.<\/li>\n<\/ul>\n
V\u00ec v\u1eady, \u0111\u1ec3 b\u1ea3o qu\u1ea3n rau t\u01b0\u01a1i l\u00e2u h\u01a1n, n\u00ean ch\u00fa \u00fd \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u1eddi gian l\u01b0u tr\u1eef, v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 b\u1ecdc rau trong t\u00fai zip ho\u1eb7c \u0111\u1ec3 ch\u00fang trong ng\u0103n rau qu\u1ea3, n\u01a1i c\u00f3 \u0111\u1ed9 \u1ea9m cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh.<\/p>\n
<\/span>\u0110\u1ec3 rau c\u1ee7 trong t\u1ee7 l\u1ea1nh l\u00e2u s\u1ebd c\u00f3 d\u1ea5u hi\u1ec7u g\u00ec?<\/strong><\/span><\/h2>\nKhi \u0111\u1ec3 rau c\u1ee7 trong t\u1ee7 l\u1ea1nh qu\u00e1 l\u00e2u, ch\u00fang s\u1ebd c\u00f3 m\u1ed9t s\u1ed1 d\u1ea5u hi\u1ec7u r\u00f5 r\u1ec7t cho th\u1ea5y ch\u00fang kh\u00f4ng c\u00f2n t\u01b0\u01a1i ngon n\u1eefa. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 d\u1ea5u hi\u1ec7u ph\u1ed5 bi\u1ebfn:<\/p>\n
\n- Rau b\u1ecb h\u00e9o, nh\u0103n nheo<\/strong>: M\u1ed9t trong nh\u1eefng d\u1ea5u hi\u1ec7u d\u1ec5 nh\u1eadn th\u1ea5y l\u00e0 rau s\u1ebd m\u1ea5t \u0111i \u0111\u1ed9 t\u01b0\u01a1i, tr\u1edf n\u00ean m\u1ec1m, h\u00e9o ho\u1eb7c nh\u0103n nheo. \u0110i\u1ec1u n\u00e0y x\u1ea3y ra do rau m\u1ea5t n\u01b0\u1edbc qua qu\u00e1 tr\u00ecnh tho\u00e1t h\u01a1i n\u01b0\u1edbc trong m\u00f4i tr\u01b0\u1eddng t\u1ee7 l\u1ea1nh.<\/li>\n
- M\u00e0u s\u1eafc thay \u0111\u1ed5i<\/strong>: Rau c\u1ee7 c\u00f3 th\u1ec3 chuy\u1ec3n sang m\u00e0u v\u00e0ng, n\u00e2u ho\u1eb7c c\u00f3 \u0111\u1ed1m \u0111en. \u0110i\u1ec1u n\u00e0y l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a s\u1ef1 oxy h\u00f3a, khi c\u00e1c t\u1ebf b\u00e0o trong rau b\u1ecb h\u01b0 h\u1ea1i v\u00e0 ch\u1ea5t di\u1ec7p l\u1ee5c b\u1ecb ph\u00e2n h\u1ee7y. M\u1ed9t s\u1ed1 rau l\u00e1 c\u00f2n c\u00f3 th\u1ec3 b\u1ecb \u00faa v\u00e0ng ho\u1eb7c h\u00e9o \u0111i.<\/li>\n
- L\u00e1 rau b\u1ecb r\u1ee5ng ho\u1eb7c h\u00e9o<\/strong>: C\u00e1c lo\u1ea1i rau l\u00e1 nh\u01b0 rau di\u1ebfp, c\u1ea3i xanh, ho\u1eb7c rau ng\u00f2 c\u00f3 th\u1ec3 b\u1ecb r\u1ee5ng l\u00e1 ho\u1eb7c l\u00e1 b\u1ecb h\u00e9o \u0111i n\u1ebfu \u0111\u1ec3 qu\u00e1 l\u00e2u trong t\u1ee7 l\u1ea1nh, \u0111\u1eb7c bi\u1ec7t khi ch\u00fang m\u1ea5t \u0111\u1ed9 \u1ea9m v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch.<\/li>\n
- M\u00f9i l\u1ea1 ho\u1eb7c th\u1ed1i<\/strong>: Khi rau c\u1ee7 b\u1eaft \u0111\u1ea7u h\u1ecfng, ch\u00fang th\u01b0\u1eddng ph\u00e1t ra m\u00f9i th\u1ed1i ho\u1eb7c m\u00f9i h\u00f4i do vi khu\u1ea9n v\u00e0 n\u1ea5m ph\u00e1t tri\u1ec3n. \u0110i\u1ec1u n\u00e0y x\u1ea3y ra khi rau b\u1ecb \u1ea9m qu\u00e1 l\u00e2u ho\u1eb7c b\u1ecb ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed.<\/li>\n
- Rau b\u1ecb m\u1ec1m ho\u1eb7c n\u1ee9t<\/strong>: C\u00e1c lo\u1ea1i rau c\u1ee7 nh\u01b0 c\u00e0 r\u1ed1t, khoai t\u00e2y hay c\u1ee7 c\u1ea3i c\u00f3 th\u1ec3 b\u1ecb m\u1ec1m ho\u1eb7c b\u1ecb n\u1ee9t khi \u0111\u1ec3 trong t\u1ee7 l\u1ea1nh qu\u00e1 l\u00e2u, nh\u1ea5t l\u00e0 khi ch\u00fang b\u1ecb \u0111\u00f4ng l\u1ea1nh ho\u1eb7c kh\u00f4ng b\u1ea3o qu\u1ea3n trong \u0111i\u1ec1u ki\u1ec7n t\u1ed1t.<\/li>\n
- N\u1ea5m m\u1ed1c ho\u1eb7c m\u1ed1c tr\u1eafng<\/strong>: N\u1ebfu \u0111\u1ec3 rau c\u1ee7 qu\u00e1 l\u00e2u trong t\u1ee7 l\u1ea1nh, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y xu\u1ea5t hi\u1ec7n c\u00e1c v\u1ebft n\u1ea5m m\u1ed1c m\u00e0u tr\u1eafng ho\u1eb7c xanh tr\u00ean b\u1ec1 m\u1eb7t, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf c\u00e1c lo\u1ea1i c\u1ee7 c\u00f3 v\u1ecf m\u1ecfng ho\u1eb7c rau l\u00e1.<\/li>\n
- S\u1ef1 th\u1ed1i r\u1eefa \u1edf b\u00ean trong<\/strong>: C\u00e1c lo\u1ea1i c\u1ee7 qu\u1ea3 nh\u01b0 c\u00e0 chua, d\u01b0a leo, hay b\u00ed ng\u00f2i c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u th\u1ed1i r\u1eefa t\u1eeb b\u00ean trong n\u1ebfu b\u1ea3o qu\u1ea3n l\u00e2u trong t\u1ee7 l\u1ea1nh, do s\u1ef1 ph\u00e2n h\u1ee7y c\u1ee7a c\u00e1c t\u1ebf b\u00e0o trong rau c\u1ee7.<\/li>\n<\/ul>\n
\u0110\u1ec3 gi\u1eef cho rau c\u1ee7 lu\u00f4n t\u01b0\u01a1i ngon, b\u1ea1n n\u00ean ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean v\u00e0 ch\u1ec9 gi\u1eef ch\u00fang trong t\u1ee7 l\u1ea1nh trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh, tu\u00e2n th\u1ee7 c\u00e1c h\u01b0\u1edbng d\u1eabn b\u1ea3o qu\u1ea3n c\u1ee7a t\u1eebng lo\u1ea1i rau c\u1ee7.<\/p>\n
<\/span>C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c b\u1ea3o qu\u1ea3n rau c\u1ee7<\/b><\/span><\/h2>\n
C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n rau c\u1ee7<\/figcaption><\/figure>\n\n- Nhi\u1ec7t \u0111\u1ed9: <\/b>Nhi\u1ec7t \u0111\u1ed9 l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh s\u1ef1 t\u01b0\u01a1i m\u1edbi c\u1ee7a rau c\u1ee7 qu\u1ea3. \u0110\u1ec3 rau c\u1ee7 kh\u00f4ng b\u1ecb h\u01b0 h\u1ecfng, nhi\u1ec7t \u0111\u1ed9 t\u1ee7 l\u1ea1nh c\u1ea7n duy tr\u00ec trong kho\u1ea3ng t\u1eeb 0\u00b0C \u0111\u1ebfn 4\u00b0C. \u1ede m\u1ee9c nhi\u1ec7t \u0111\u1ed9 n\u00e0y, c\u00e1c ho\u1ea1t \u0111\u1ed9ng sinh h\u00f3a c\u1ee7a rau c\u1ee7 s\u1ebd ch\u1eadm l\u1ea1i, gi\u00fap k\u00e9o d\u00e0i th\u1eddi gian b\u1ea3o qu\u1ea3n m\u00e0 v\u1eabn gi\u1eef nguy\u00ean dinh d\u01b0\u1ee1ng.<\/span><\/li>\n
- \u0110\u1ed9 \u1ea9m: <\/b>\u0110\u1ed9 \u1ea9m trong t\u1ee7 l\u1ea1nh c\u0169ng l\u00e0 y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 b\u1ecf qua. \u0110\u1ed9 \u1ea9m cao qu\u00e1 m\u1ee9c s\u1ebd t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho n\u1ea5m m\u1ed1c v\u00e0 vi khu\u1ea9n ph\u00e1t tri\u1ec3n, trong khi \u0111\u1ed9 \u1ea9m th\u1ea5p l\u1ea1i khi\u1ebfn rau c\u1ee7 b\u1ecb kh\u00f4 h\u00e9o v\u00e0 m\u1ea5t n\u01b0\u1edbc. M\u1ee9c \u0111\u1ed9 \u1ea9m l\u00fd t\u01b0\u1edfng \u0111\u1ec3 b\u1ea3o qu\u1ea3n rau c\u1ee7 th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng 80-90%.<\/span><\/li>\n
- Kh\u00f4ng kh\u00ed: <\/b>Ngo\u00e0i nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m, ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed trong t\u1ee7 l\u1ea1nh c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n. Kh\u00ed ethylene sinh ra t\u1eeb m\u1ed9t s\u1ed1 lo\u1ea1i rau c\u1ee7 c\u00f3 th\u1ec3 l\u00e0m ch\u00edn nhanh nh\u1eefng lo\u1ea1i kh\u00e1c n\u1ebfu b\u1ea3o qu\u1ea3n chung. Do \u0111\u00f3, vi\u1ec7c ph\u00e2n lo\u1ea1i v\u00e0 b\u1ea3o qu\u1ea3n ri\u00eang bi\u1ec7t t\u1eebng lo\u1ea1i rau c\u1ee7 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft.<\/span><\/li>\n<\/ul>\n
<\/span>C\u00e1ch b\u1ea3o qu\u1ea3n rau c\u1ee7 l\u00e2u trong t\u1ee7 l\u1ea1nh<\/strong><\/span><\/h2>\n
C\u00e1ch b\u1ea3o qu\u1ea3n rau c\u1ee7 l\u00e2u trong t\u1ee7 l\u1ea1nh<\/figcaption><\/figure>\nR\u1ea5t nhi\u1ec1u n\u1ed9i tr\u1ee3 hi\u1ec7n \u0111\u1ea1i th\u1eafc m\u1eafc v\u1ec1 c\u00e1ch b\u1ea3o qu\u1ea3n rau c\u1ee7 t\u01b0\u01a1i l\u00e2u trong t\u1ee7 l\u1ea1nh, gi\u1eef \u0111\u01b0\u1ee3c h\u00e0m l\u01b0\u1ee3ng dinh d\u01b0\u1ee1ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch b\u1ea3o qu\u1ea3n rau c\u1ee7 trong t\u1ee7 l\u1ea1nh \u0111\u01b0\u1ee3c l\u00e2u:<\/p>\n
\n- Kh\u00f4ng n\u00ean r\u1eeda rau c\u1ee7 qu\u1ea3 tr\u01b0\u1edbc khi b\u1ea3o qu\u1ea3n: <\/b>Nhi\u1ec1u ng\u01b0\u1eddi th\u01b0\u1eddng c\u00f3 th\u00f3i quen r\u1eeda s\u1ea1ch rau c\u1ee7 tr\u01b0\u1edbc khi c\u1ea5t v\u00e0o t\u1ee7 l\u1ea1nh. Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y kh\u00f4ng h\u1eb3n l\u00e0 t\u1ed1t. N\u01b0\u1edbc l\u00e0m t\u0103ng \u0111\u1ed9 \u1ea9m xung quanh rau c\u1ee7, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho vi khu\u1ea9n v\u00e0 n\u1ea5m m\u1ed1c ph\u00e1t tri\u1ec3n. Thay v\u00e0o \u0111\u00f3, h\u00e3y \u0111\u1ec3 rau c\u1ee7 kh\u00f4 r\u00e1o tr\u01b0\u1edbc khi b\u1ea3o qu\u1ea3n.<\/span><\/li>\n
- Kh\u00f4ng c\u1eaft nh\u1ecf rau c\u1ee7 qu\u1ea3 tr\u01b0\u1edbc khi cho v\u00e0o t\u1ee7 l\u1ea1nh: <\/b>C\u1eaft nh\u1ecf rau c\u1ee7 tr\u01b0\u1edbc khi b\u1ea3o qu\u1ea3n s\u1ebd l\u00e0m gia t\u0103ng di\u1ec7n t\u00edch ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed, d\u1eabn \u0111\u1ebfn qu\u00e1 tr\u00ecnh oxy h\u00f3a nhanh h\u01a1n v\u00e0 l\u00e0m m\u1ea5t \u0111i c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng. \u0110\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 t\u01b0\u01a1i v\u00e0 dinh d\u01b0\u1ee1ng c\u1ee7a rau c\u1ee7, n\u00ean \u0111\u1ec3 nguy\u00ean v\u1eb9n v\u00e0 ch\u1ec9 c\u1eaft nh\u1ecf khi chu\u1ea9n b\u1ecb ch\u1ebf bi\u1ebfn.<\/span><\/li>\n
- Kh\u00f4ng \u0111\u1eb7t c\u00e1c lo\u1ea1i rau c\u1ee7 kh\u00e1c nhau chung k\u1ec7: <\/b>Vi\u1ec7c \u0111\u1eb7t chung nhi\u1ec1u lo\u1ea1i rau c\u1ee7 kh\u00e1c nhau c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 t\u01b0\u01a1ng t\u00e1c kh\u00f4ng mong mu\u1ed1n gi\u1eefa ch\u00fang. Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp, m\u1ed9t s\u1ed1 lo\u1ea1i rau c\u1ee7 sinh ra kh\u00ed ethylene, trong khi m\u1ed9t s\u1ed1 lo\u1ea1i kh\u00e1c r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi lo\u1ea1i kh\u00ed n\u00e0y. V\u00ec v\u1eady, c\u1ea7n ph\u00e2n lo\u1ea1i v\u00e0 s\u1eafp x\u1ebfp c\u00e1c lo\u1ea1i rau c\u1ee7 m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd.<\/span><\/li>\n
- S\u1eed d\u1ee5ng t\u00fai gi\u1ea5y thay v\u00ec t\u00fai nilon: <\/b>T\u00fai gi\u1ea5y c\u00f3 kh\u1ea3 n\u0103ng h\u00fat \u1ea9m t\u1ed1t h\u01a1n t\u00fai nilon, gi\u00fap gi\u1eef cho rau c\u1ee7 kh\u00f4ng b\u1ecb qu\u00e1 \u1ea9m v\u00e0 h\u1ea1n ch\u1ebf s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a n\u1ea5m m\u1ed1c. H\u01a1n n\u1eefa, t\u00fai gi\u1ea5y c\u0169ng gi\u00fap kh\u00f4ng kh\u00ed l\u01b0u th\u00f4ng t\u1ed1t h\u01a1n, l\u00e0m gi\u1ea3m t\u00ecnh tr\u1ea1ng ng\u01b0ng t\u1ee5 n\u01b0\u1edbc.<\/span><\/li>\n
- D\u00e1n nh\u00e3n theo d\u00f5i cho rau c\u1ee7 qu\u1ea3: <\/b>\u0110\u1ec3 d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd, b\u1ea1n n\u00ean d\u00e1n nh\u00e3n ghi ng\u00e0y mua v\u00e0 lo\u1ea1i rau c\u1ee7 qu\u1ea3. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea1n bi\u1ebft \u0111\u01b0\u1ee3c th\u1eddi gian b\u1ea3o qu\u1ea3n v\u00e0 s\u1eed d\u1ee5ng ch\u00fang tr\u01b0\u1edbc khi h\u01b0 h\u1ecfng.<\/span><\/li>\n
- C\u00e0i \u0111\u1eb7t nhi\u1ec7t \u0111\u1ed9 ph\u00f9 h\u1ee3p cho t\u1ee7 l\u1ea1nh: <\/b>Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean, nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 b\u1ea3o qu\u1ea3n rau c\u1ee7 qu\u1ea3 l\u00e0 t\u1eeb 0\u00b0C \u0111\u1ebfn 4\u00b0C. H\u00e3y th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 t\u1ee7 l\u1ea1nh v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o rau c\u1ee7 \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong \u0111i\u1ec1u ki\u1ec7n t\u1ed1t nh\u1ea5t.<\/span><\/li>\n
- Duy tr\u00ec \u0111\u1ed9 \u1ea9m \u1ed5n \u0111\u1ecbnh b\u00ean trong t\u1ee7 l\u1ea1nh: <\/b>\u0110\u1ed9 \u1ea9m trong t\u1ee7 l\u1ea1nh c\u1ea7n \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf m\u1ee9c \u1ed5n \u0111\u1ecbnh, kho\u1ea3ng 80-90%. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ng\u0103n ch\u1ee9a rau c\u1ee7 trong t\u1ee7 l\u1ea1nh \u2013 n\u01a1i \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 \u1ea9m ph\u00f9 h\u1ee3p.<\/span><\/li>\n
- Th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra n\u00f4ng s\u1ea3n: <\/b>N\u00ean ki\u1ec3m tra rau c\u1ee7 qu\u1ea3 th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm nh\u1eefng lo\u1ea1i b\u1ecb h\u01b0 h\u1ecfng. N\u1ebfu kh\u00f4ng lo\u1ea1i b\u1ecf k\u1ecbp th\u1eddi, ch\u00fang c\u00f3 th\u1ec3 l\u00e0m l\u00e2y lan vi khu\u1ea9n ho\u1eb7c n\u1ea5m m\u1ed1c sang c\u00e1c lo\u1ea1i rau c\u1ee7 kh\u00e1c.<\/span><\/li>\n
- S\u1eed d\u1ee5ng h\u1ed9p ch\u1ee9a th\u1ef1c ph\u1ea9m: <\/b>H\u1ed9p ch\u1ee9a th\u1ef1c ph\u1ea9m l\u00e0 c\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 b\u1ea3o qu\u1ea3n rau c\u1ee7 qu\u1ea3, gi\u00fap h\u1ea1n ch\u1ebf s\u1ef1 ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed v\u00e0 gi\u1eef \u0111\u1ed9 \u1ea9m c\u1ea7n thi\u1ebft.<\/span><\/li>\n
- V\u1ec7 sinh t\u1ee7 l\u1ea1nh \u0111\u1ecbnh k\u1ef3: <\/b>T\u1ee7 l\u1ea1nh c\u1ea7n \u0111\u01b0\u1ee3c v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 lo\u1ea1i b\u1ecf vi khu\u1ea9n v\u00e0 n\u1ea5m m\u1ed1c. M\u1ed9t t\u1ee7 l\u1ea1nh s\u1ea1ch s\u1ebd gi\u00fap gi\u1eef cho rau c\u1ee7 qu\u1ea3 \u0111\u01b0\u1ee3c t\u01b0\u01a1i ngon l\u00e2u h\u01a1n.<\/span><\/li>\n<\/ul>\n
<\/span>Lo\u1ea1i rau c\u1ee7 n\u00e0o kh\u00f4ng c\u1ea7n b\u1ea3o qu\u1ea3n trong t\u1ee7 l\u1ea1nh?<\/strong><\/span><\/h2>\n
M\u1ed9t s\u1ed1 rau c\u1ee7 kh\u00f4ng c\u1ea7n b\u1ea3o qu\u1ea3n trong t\u1ee7 l\u1ea1nh<\/figcaption><\/figure>\nKh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i rau c\u1ee7 v\u00e0 tr\u00e1i c\u00e2y \u0111\u1ec1u c\u1ea7n b\u1ea3o qu\u1ea3n trong t\u1ee7 l\u1ea1nh. Th\u1ef1c t\u1ebf, m\u1ed9t s\u1ed1 lo\u1ea1i th\u1eadm ch\u00ed c\u00f3 th\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t h\u01a1n n\u1ebfu \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. V\u00ed d\u1ee5:<\/p>\n
\n- Khoai t\u00e2y<\/strong>: Khi b\u1ea3o qu\u1ea3n trong t\u1ee7 l\u1ea1nh, tinh b\u1ed9t trong khoai t\u00e2y s\u1ebd chuy\u1ec3n h\u00f3a th\u00e0nh \u0111\u01b0\u1eddng, l\u00e0m thay \u0111\u1ed5i h\u01b0\u01a1ng v\u1ecb v\u00e0 k\u1ebft c\u1ea5u. Do \u0111\u00f3, khoai t\u00e2y n\u00ean \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n \u1edf n\u01a1i kh\u00f4 r\u00e1o, tho\u00e1ng m\u00e1t, kh\u00f4ng c\u00f3 \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi tr\u1ef1c ti\u1ebfp.<\/li>\n
- H\u00e0nh t\u00e2y<\/strong>: H\u00e0nh t\u00e2y c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1ec3 \u1edf n\u01a1i th\u00f4ng tho\u00e1ng v\u00ec \u0111\u1ed9 \u1ea9m trong t\u1ee7 l\u1ea1nh c\u00f3 th\u1ec3 khi\u1ebfn ch\u00fang b\u1ecb m\u1ec1m ho\u1eb7c ph\u00e1t tri\u1ec3n n\u1ea5m m\u1ed1c. L\u01b0u tr\u1eef h\u00e0nh t\u00e2y t\u1ea1i n\u01a1i kh\u00f4 r\u00e1o gi\u00fap duy tr\u00ec \u0111\u1ed9 t\u01b0\u01a1i ngon v\u00e0 h\u01b0\u01a1ng v\u1ecb l\u00e2u h\u01a1n.<\/li>\n
- T\u1ecfi<\/strong>: T\u01b0\u01a1ng t\u1ef1 nh\u01b0 h\u00e0nh t\u00e2y, t\u1ecfi c\u00f3 th\u1ec3 b\u1ecb h\u01b0 n\u1ebfu \u0111\u1ec3 trong t\u1ee7 l\u1ea1nh. Nhi\u1ec7t \u0111\u1ed9 l\u1ea1nh v\u00e0 \u1ea9m \u01b0\u1edbt c\u00f3 th\u1ec3 l\u00e0m cho t\u1ecfi m\u1ecdc m\u1ea7m nhanh ch\u00f3ng v\u00e0 m\u1ea5t \u0111i h\u01b0\u01a1ng v\u1ecb m\u1ea1nh m\u1ebd \u0111\u1eb7c tr\u01b0ng. V\u00ec v\u1eady, t\u1ed1t nh\u1ea5t l\u00e0 l\u01b0u tr\u1eef t\u1ecfi \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, n\u01a1i tho\u00e1ng m\u00e1t.<\/li>\n
- C\u00e0 chua<\/strong>: C\u00e0 chua khi \u0111\u1ec3 trong t\u1ee7 l\u1ea1nh s\u1ebd m\u1ea5t \u0111i h\u01b0\u01a1ng v\u1ecb t\u1ef1 nhi\u00ean v\u00e0 tr\u1edf n\u00ean nh\u00e3o. N\u00ean \u0111\u1ec3 ch\u00fang \u1edf n\u01a1i c\u00f3 nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng \u0111\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 t\u01b0\u01a1i v\u00e0 v\u1ecb ng\u1ecdt \u0111\u1eb7c tr\u01b0ng.<\/li>\n
- B\u00ed \u0111\u1ecf<\/strong>: B\u00ed \u0111\u1ecf c\u00f3 th\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c l\u00e2u \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, mi\u1ec5n l\u00e0 kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u n\u1ee9t v\u1ee1 ho\u1eb7c b\u1ecb \u1ea9m. Ch\u00fang ch\u1ec9 n\u00ean \u0111\u01b0\u1ee3c c\u1ea5t v\u00e0o t\u1ee7 l\u1ea1nh sau khi \u0111\u00e3 c\u1eaft ra.<\/li>\n<\/ul>\n
Vi\u1ec7c l\u01b0u tr\u1eef \u0111\u00fang c\u00e1ch gi\u00fap gi\u1eef nguy\u00ean ch\u1ea5t dinh d\u01b0\u1ee1ng v\u00e0 k\u00e9o d\u00e0i th\u1eddi gian s\u1eed d\u1ee5ng c\u1ee7a nh\u1eefng lo\u1ea1i th\u1ef1c ph\u1ea9m n\u00e0y m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn t\u1ee7 l\u1ea1nh.<\/p>\n