ʻO Kojic Acid Dipalmitate (KAD) he liposoluble derivative o kojic acid. Ua kapa ʻia ʻo 2- palmitoyl methyl -5- palmitoyl – pyranone. Loaʻa iā ia ka hiki ke pale i ka hoʻokumu ʻana o ka melanin ma mua o kojic acid. ʻAʻohe pūʻulu hydroxyl i loko o kona ʻano molekala, no laila ʻaʻole ia e hana i ka paʻa hydrogen me nā mea hana ʻē aʻe i loko o nā mea hoʻonaninani e hoʻopilikia i kā lākou mau hana, a he kūpono kūpono. Ma ke ʻano he mea keʻokeʻo, hoʻohana nui ʻia ʻo KAD i ka ʻoihana cosmetic.
Nā ʻāpana ʻenehana nui:
Ka nana aku | Keʻokeʻo a i ʻole ka pauka aniani keʻokeʻo |
Hoʻāʻo | 99.0% min. |
Lae hehee | 93.0~97.0 |
Nalo ma ka maloo | 0.5% ka nui. |
Koena ma ka Ignition | 0.5% ka nui. |
Metala Kaumaha | 3 ppm max. |
Arsenic | 2 ppm max. |
ʻano ʻano
(1) Paʻa maikaʻi i ka wela a me ka māmā; ʻaʻohe hoʻololi kala.
(2) Ka hoʻoheheʻe ʻaila maikaʻi.
Nā pōmaikaʻi no ka ʻili:
(1) Keʻokeʻo: Kojic acid dipalmitate he hopena pale ikaika i ka melanin. ʻO kāna hui pū ʻana o nā ion keleawe e pale i ka hoʻoulu ʻana o nā ion keleawe a me tyrosinase. Ma laila, hiki i ka KAD ke hoʻomaʻemaʻe i ka ʻili.
(2) Wehe i nā haʻuki: ʻO Kojic acid dipalmitate e hōʻemi i ka pigmentation i hoʻokumu ʻia e ka meralin pigment. Hiki iā ia ke hoʻoikaika i ka metabolism o ka ʻili, a hoʻopau koke i ka pigment melarin. Kaua ʻo KAD i ka melasma, nā ʻāpana makahiki, ka chloasma, nā kaha kikoʻī, nā freckles a me nā pigmentation ʻē aʻe.
Ka nui i hoʻohui ʻia: 1~5%
Palekana Kojic Dipalmitate:
Ma ka hoʻolaha ʻana o ka papa inoa inoa o ka Cosmetics Raw Material i paʻi ʻia e China Food and Drug Administration ma 2014, a me ka Catalog of the International Cosmetics Raw Material Standard English Name i hoʻopuka ʻia e CTFA ,EU a me CAFFCI ma 2010 ua ʻike lāua ʻo Kojic Acid Dipalmitate ma ke ʻano he maka. mea hoʻomaʻemaʻe. ʻAʻohe hōʻike e hōʻike ana i kona palekana no ka hoʻohana waho. Loaʻa ka Kojic Acid Dipalmitate i kahi kūpaʻa kiʻekiʻe ma mua o ka Vitamin-C, no laila ua kūpono a ʻaʻohe hopena ʻaoʻao.
Ka manawa hoʻouna: ʻAukake-18-2020