{"id":56218,"date":"2023-11-10T14:37:26","date_gmt":"2023-11-10T07:37:26","guid":{"rendered":"https:\/\/hmm88i.com\/drug\/?p=56218"},"modified":"2024-05-06T11:05:25","modified_gmt":"2024-05-06T04:05:25","slug":"vien-uong-chong-nang-co-thay-the-kem-chong-nang-duoc-khong","status":"publish","type":"post","link":"https:\/\/hmm88i.com\/drug\/vien-uong-chong-nang-co-thay-the-kem-chong-nang-duoc-khong\/","title":{"rendered":"Vi\u00ean u\u1ed1ng ch\u1ed1ng n\u1eafng c\u00f3 thay th\u1ebf kem ch\u1ed1ng n\u1eafng \u0111\u01b0\u1ee3c kh\u00f4ng?"},"content":{"rendered":"
Vi\u00ean u\u1ed1ng ch\u1ed1ng n\u1eafng l\u00e0 c\u1ee5m t\u1eeb \u0111\u01b0\u1ee3c ng\u01b0\u1eddi ti\u00eau d\u00f9ng r\u1ea5t quan t\u00e2m th\u1eddi gian g\u1ea7n \u0111\u00e2y b\u1edfi nh\u1eefng l\u1eddi qu\u1ea3ng c\u00e1o v\u1ec1 t\u00e1c d\u1ee5ng hi\u1ec7u qu\u1ea3 v\u01b0\u1ee3t tr\u1ed9i v\u00e0 t\u00ednh ti\u1ec7n l\u1ee3i h\u01a1n so v\u1edbi kem ch\u1ed1ng n\u1eafng. V\u1eady, vi\u00ean ch\u1ed1ng n\u1eafng li\u1ec7u c\u00f3 th\u1ef1c s\u1ef1 t\u1ed1t nh\u01b0 l\u1eddi qu\u1ea3ng c\u00e1o, c\u00f3 th\u1ec3 thay th\u1ebf c\u1ea3 kem ch\u1ed1ng n\u1eafng hay kh\u00f4ng? H\u00e3y c\u00f9ng ch\u00fang t\u00f4i t\u00ecm hi\u1ec3u trong b\u00e0i vi\u1ebft sau \u0111\u00e2y.<\/strong><\/p>\n \u00c1nh n\u1eafng m\u1eb7t tr\u1eddi c\u00f3 ch\u1ee9a c\u00e1c tia UV, \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c lo\u1ea1i d\u1ef1a tr\u00ean b\u01b0\u1edbc s\u00f3ng t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a ch\u00fang (\u0111\u01b0\u1ee3c \u0111o b\u1eb1ng nanomet, ho\u1eb7c nm):<\/p>\n Tia UVC c\u00f3 b\u01b0\u1edbc s\u00f3ng ng\u1eafn nh\u1ea5t v\u00e0 g\u1ea7n nh\u01b0 b\u1ecb h\u1ea5p th\u1ee5 ho\u00e0n to\u00e0n b\u1edfi t\u1ea7ng \u00f4z\u00f4n n\u00ean v\u1ec1 l\u00fd thuy\u1ebft, lo\u1ea1i b\u1ee9c x\u1ea1 n\u00e0y kh\u00f4ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u \u0111\u1ebfn l\u00e0n da.<\/p>\n Vi\u00ean u\u1ed1ng ch\u1ed1ng n\u1eafng l\u00e0 nh\u1eefng lo\u1ea1i th\u1ef1c ph\u1ea9m b\u1ed5 sung c\u00f3 c\u00f4ng th\u1ee9c g\u1ed3m c\u00e1c ch\u1ea5t ch\u1ed1ng oxy h\u00f3a, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi mong mu\u1ed1n b\u1ea3o v\u1ec7 l\u00e0n da kh\u1ecfi t\u00e1c \u0111\u1ed9ng c\u00f3 h\u1ea1i c\u1ee7a tia UV, \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi. Th\u00e0nh ph\u1ea7n c\u1ee7a vi\u00ean ch\u1ed1ng n\u1eafng tr\u1eafng da<\/strong> th\u01b0\u1eddng l\u00e0 c\u00e1c ch\u1ea5t nh\u01b0 Lycopene, beta-carotene, vitamin A, E, C, lutein, selenium\u2026<\/p>\n C\u01a1 ch\u1ebf t\u00e1c d\u1ee5ng c\u1ee7a vi\u00ean u\u1ed1ng ch\u1ed1ng n\u1eafng l\u00e0 ch\u1ed1ng n\u1eafng n\u1ed9i sinh<\/strong> – t\u1ee9c l\u00e0 l\u00e0m \u1ee9c ch\u1ebf t\u1ed5ng h\u1ee3p Melanin (m\u1ed9t h\u1eafc s\u1eafc t\u1ed1 tr\u00ean da c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi tia UV), t\u1eeb \u0111\u00f3 l\u00e0m h\u1ea1n ch\u1ebf l\u00e0n da b\u1ecb s\u1ea1m m\u00e0u, l\u00e3o h\u00f3a.<\/p>\n Nhi\u1ec1u ch\u1ea5t ch\u1ed1ng oxy h\u00f3a t\u1ea1i ch\u1ed7 v\u00e0 u\u1ed1ng (vitamin C v\u00e0 E, carotenoids, polyphenol) \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t \u0111\u1ec3 b\u1ea3o v\u1ec7 da ch\u1ed1ng l\u1ea1i t\u00e1c \u0111\u1ed9ng c\u00f3 h\u1ea1i do t\u0103ng s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i oxy ph\u1ea3n \u1ee9ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong b\u1ed1i c\u1ea3nh ti\u1ebfp x\u00fac v\u1edbi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi.<\/p>\n G\u1ea7n \u0111\u00e2y, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f2n t\u00ecm ra ch\u1ea5t \u0111\u01b0\u1ee3c chi\u1ebft xu\u1ea5t t\u1eeb lo\u00e0i d\u01b0\u01a1ng x\u1ec9 nhi\u1ec7t \u0111\u1edbi Polypodium leucotomos c\u00f3 t\u00e1c d\u1ee5ng ch\u1ed1ng oxy h\u00f3a t\u1ed1t. Vi\u1ec7c b\u1ed5 sung Polypodium leucotomos ho\u1ea1t \u0111\u1ed9ng \u1edf c\u1ea5p \u0111\u1ed9 ph\u00e2n t\u1eed v\u00e0 t\u1ebf b\u00e0o \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng h\u1ec7 th\u1ed1ng ch\u1ed1ng oxy h\u00f3a n\u1ed9i sinh v\u00e0 \u1ee9c ch\u1ebf s\u1ef1 t\u1ea1o ra c\u00e1c lo\u1ea1i oxy ph\u1ea3n \u1ee9ng, do \u0111\u00f3 l\u00e0m gi\u1ea3m \u0111\u1ed9t bi\u1ebfn DNA oxy h\u00f3a qua trung gian tia c\u1ef1c t\u00edm. Polypodium leucotomos c\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh lo\u1ea1i b\u1ecf c\u00e1c s\u1ea3n ph\u1ea9m quang do tia c\u1ef1c t\u00edm g\u00e2y ra, l\u00e0m n\u1ed5i b\u1eadt vai tr\u00f2 ch\u1ed1ng ung th\u01b0 c\u1ee7a n\u00f3. B\u1eb1ng c\u00e1ch gi\u1ea3m c\u00e1c ph\u1ea3n \u1ee9ng vi\u00eam do tia c\u1ef1c t\u00edm g\u00e2y ra v\u00e0 \u1ee9c ch\u1ebf t\u00e1i c\u1ea5u tr\u00fac ma tr\u1eadn ngo\u1ea1i b\u00e0o, Polypodium leucotomos ch\u1ee9ng t\u1ecf m\u1ed9t s\u1ed1 t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i qu\u00e1 tr\u00ecnh quang h\u00f3a v\u00e0 nhi\u1ec5m \u0111\u1ed9c quang do PUVA g\u00e2y ra. Vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ea5t b\u1ea3o v\u1ec7 to\u00e0n th\u00e2n s\u1ebd mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch \u0111\u00e1ng k\u1ec3 nh\u01b0 \u0111\u1ed9 che ph\u1ee7 \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n tr\u00ean t\u1ed5ng di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u01a1 th\u1ec3, b\u1ea5t k\u1ec3 c\u00e1c y\u1ebfu t\u1ed1 ri\u00eang l\u1ebb nh\u01b0 hi\u1ec7u l\u1ef1c c\u1ee7a kem ch\u1ed1ng n\u1eafng, l\u01b0\u1ee3ng b\u00f4i, \u0111\u1ed5 m\u1ed3 h\u00f4i ho\u1eb7c t\u1eafm. D\u00f9ng \u0111\u01b0\u1eddng u\u1ed1ng chi\u1ebft xu\u1ea5t Polypodium leucotomos v\u00e0 t\u00ednh an to\u00e0n thu\u1eadn l\u1ee3i c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng trong vi\u1ec7c ng\u0103n ng\u1eeba ung th\u01b0 da.<\/p>\n C\u00e1c nghi\u00ean c\u1ee9u c\u0169ng \u0111ang t\u1eadp trung ph\u00e1t tri\u1ec3n m\u1ed9t lo\u1ea1i ch\u1ea5t c\u0169ng c\u00f3 tri\u1ec3n v\u1ecdng ch\u1ed1ng n\u1eafng t\u1ed1t – Astaxanthin t\u1ef1 nhi\u00ean. Astaxanthin l\u00e0 m\u1ed9t xanthophyll carotenoid, c\u00f3 ngu\u1ed3n g\u1ed1c thu\u1ed9c nh\u00f3m c\u00e1c h\u00f3a ch\u1ea5t g\u1ecdi l\u00e0 carotenoids, th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y v\u00e0 x\u1ea3y ra t\u1ef1 nhi\u00ean \u1edf m\u1ed9t s\u1ed1 lo\u1ea1i t\u1ea3o v\u00e0 g\u00e2y ra m\u00e0u h\u1ed3ng ho\u1eb7c \u0111\u1ecf trong c\u00e1c lo\u1ea1i \u0111\u1ed9ng v\u1eadt nh\u01b0 c\u00e1 h\u1ed3i, t\u00f4m h\u00f9m, t\u00f4m v\u00e0 c\u00e1c lo\u1ea1i h\u1ea3i s\u1ea3n kh\u00e1c m\u00e0 ta th\u01b0\u1eddng th\u1ea5y. Astaxanthin \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh c\u00f3 t\u00e1c d\u1ee5ng gi\u1ea3m t\u00ecnh tr\u1ea1ng m\u1ea5t \u0111\u1ed9 \u1ea9m c\u1ee7a da \u1edf v\u00f9ng \u0111\u01b0\u1ee3c chi\u1ebfu x\u1ea1, c\u1ea3i thi\u1ec7n l\u00e0n da th\u00f4 r\u00e1p, b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i s\u1ef1 suy gi\u1ea3m l\u00e0n da do tia c\u1ef1c t\u00edm g\u00e2y ra v\u00e0 gi\u00fap duy tr\u00ec l\u00e0n da kh\u1ecfe m\u1ea1nh \u1edf nh\u1eefng ng\u01b0\u1eddi kh\u1ecfe m\u1ea1nh.<\/p>\nT\u1ed5ng quan chung v\u1ec1 vi\u00ean u\u1ed1ng ch\u1ed1ng n\u1eafng<\/h2>\n
\u00c1nh n\u1eafng m\u1eb7t tr\u1eddi t\u00e1c \u0111\u1ed9ng th\u1ebf n\u00e0o t\u1edbi l\u00e0n da?<\/h3>\n
\n
\n
Vi\u00ean u\u1ed1ng ch\u1ed1ng n\u1eafng l\u00e0 g\u00ec?<\/h3>\n
Th\u00e0nh ph\u1ea7n ho\u1ea1t ch\u1ea5t c\u1ee7a vi\u00ean u\u1ed1ng ch\u1ed1ng n\u1eafng<\/h3>\n
\n
5 vi\u00ean u\u1ed1ng ch\u1ed1ng n\u1eafng hi\u1ec7u qu\u1ea3 do chuy\u00ean da da li\u1ec5u l\u1ef1a ch\u1ecdn<\/h2>\n
Ph\u1ed5 bi\u1ebfn nh\u1ea5t – Vi\u00ean u\u1ed1ng ch\u1ed1ng n\u1eafng DHC<\/h3>\n