Loaʻa i ka Vitamin C Chewable Tablet no ka hoʻonui ʻana i ka pale kino kanaka
Hōʻike huahana
| Huahana | Huaola C |
| CAS | 50-81-7 |
| Ka nana aku | ʻO ke aniani keʻokeʻo a i ʻole ka pauka kristal keʻokeʻo |
| Ka hoʻoheheʻe | Hiki ke hoʻoheheʻe ʻia i ka wai, hiki ke hoʻoheheʻe ʻia i ka ethanol, hiki ʻole ke hoʻoheheʻe ʻia i ka etera, benzene, ka momona, etc. |
ʻO ka Vitamin C (Vitamin C), alias Ascorbic acid (Ascorbic acid), ʻo ka molecular formula C6H8O6, he polyhydroxyl compound i loaʻa i 6 carbon atoms, he wai-soluble vitamina e pono ai e mālama i ka hana physiological maʻamau o ke kino a me ka metabolic abnormal. ka hopena o nā pūnaewele.ʻO ke ʻano o ka huaora C maʻemaʻe he aniani keʻokeʻo a i ʻole ka pauka crystalline, hiki ke hoʻoheheʻe ʻia i ka wai, hiki ke hoʻoheheʻe ʻia i ka ethanol, hiki ʻole ke hoʻoheheʻe ʻia i ka ether, benzene, grease, a me nā mea ʻē aʻe. hydroxylation, antioxidant, hoʻoikaika kino a me nā hopena detoxification i ke kino kanaka.ʻO ka ʻoihana ma o ke ʻano biosynthesis (fermentation) e hoʻomākaukau ai i ka huaora C, hoʻohana nui ʻia ka huaora C i ka lāʻau lapaʻau a me ka māla meaʻai.
| ʻAno kino a me kemika | 1. Nānā: ke aniani keʻokeʻo a i ʻole ka pauka crystalline. 2. Solubility: hiki ke hoʻoheheʻe ʻia i ka wai, hiki ke hoʻoheheʻe ʻia i ka ethanol, hiki ʻole ke hoʻoheheʻe ʻia i ka etera, benzene, grease, etc. 3. ʻO ka hana Optical: Loaʻa i ka Vitamin C nā isomers optical 4, a ʻo ka hoʻololi kikoʻī ʻana o kahi hopena wai me ka L-ascorbic acid o 0.10 g/ml he +20.5 °-+21.5 °. 4. Aakika: Loaʻa i ka Vitamin C ke kumu enediol, ʻo ia ka ʻakika, ma ke ʻano he ʻakika maʻalahi hiki ke hana me ka sodium bicarbonate e hana i ka paʻakai sodium. 5. Carbohydrate waiwai: ʻO ke kinona o ka huaora C ua like ia me ke kō, me nā waiwai o ke kō, hiki ke hydrolyzed a decarboxylated e hana i ka pentose i mua o ke alo , a hoʻomau i ka nalowale wai e hana, e hoʻohui i ka pyrrole a me ka wela i ka ʻO 50 ºC e hoʻopuka i ka uliuli. 6. Nā hiʻohiʻona o ka Ultraviolet: Ma muli o ka loaʻa ʻana o nā paʻa pālua conjugated i loko o nā molekala vitamina C, ʻo kona hoʻonā dilute he ʻoi loa ka absorption ma 243 nm ka lōʻihi o ka nalu, a e hoʻololi ʻia ka lōʻihi hawewe absorption i 265 nm ma lalo o nā kūlana acidic a alkaline. 7. Reducibility: ʻo ka hui enediol i loko o ka huaora he mea hiki ke hoʻemi ʻia, kūpaʻa i loko o kahi kaiapuni acidic, a maʻalahi hoʻi i luku ʻia i ka wela, māmā, aerobic a me ka alkaline.ʻO ka Vitamin C ua hoʻoneʻe ʻia e hana i kahi hoʻolālā o ka dehydrovitamin C, hiki ke loaʻa ka dehydrovitamin C ma hope o ka hoʻemi ʻana o ka hydrogenation o ka huaʻa C. Eia kekahi, i loko o ka hopena alkaline a me ka hopena waikawa ikaika, hiki ke hoʻoheheʻe hou ʻia ka dehydrovitamin C no ka loaʻa ʻana o ka diketogulonic acid. |
| Hana kino | 1. Hydroxylation Hoʻokomo ka Vitamin C i ka hopena hydroxylation i ke kino o ke kanaka, e pili ana i ka metabolism o nā mea nui i loko o ke kino o ke kanaka.No ka laʻana, hiki i ka huaora C ke komo a hoʻoikaika i ka hydroxylation o ka cholesterol i loko o nā waikawa bile;Hoʻonui i ka hana oxidase hana like ʻole;Hoʻopili ia i ka hana hydroxylase a hoʻoikaika i ka synthesis o ka amino acid neurotransmitters 5-hydroxytryptamine a me nā norepinephrine. 2. ʻAi Loaʻa i ka Vitamin C ka hoʻohaʻahaʻa ikaika a he antioxidant hiki ke hoʻoheheʻe i ka wai, hiki ke hōʻemi i nā radical hydroxyl, superoxides a me nā oxides ikaika ʻē aʻe i loko o ke kino kanaka, a hiki ke wehe i nā radical manuahi a pale i ka lipid peroxidation. 3. Hoʻonui i ka palekana ʻO ka hana phagocytic o ka leukocyte pili i ka pae vitamina i loko o ka plasma.Hiki i ka hopena antioxidant o ka huaora C ke hoʻemi i ka pilina disulfide (-S - S -) i loko o ka antibody i ka sulfhydryl (-SH), a laila hoʻoikaika i ka hoʻemi ʻana o ka cystine i ka cysteine, a hoʻoikaika i ka hoʻokumu ʻana o nā antibodies. 4. Hoʻomaʻemaʻe Hiki i ka nui o ka huaora C ke hana i nā ion metala kaumaha e like me Pb2+, Hg2+, Cd2+, bacterial toxins, benzene a me kekahi mau lāʻau lysins.ʻO ke kumu nui penei: hiki i ka reducibility ikaika o ka huaora C ke wehe i ka glutathione oxidized mai ke kino o ke kanaka, a laila hana i kahi paʻakikī me nā ion metala kaumaha e hoʻokuʻu ʻia mai ke kino;Ma muli o ka hoʻopiʻi maikaʻi ʻole ʻia o ka oxygen i ke kūlana C2 o ka huaora C, hiki ke hui pū ʻia ka huaora C ponoʻī me nā ion metala a hoʻokuʻu ʻia mai ke kino ma o ka mimi;Hoʻonui ka Vitamin C i ka hana enzyme (hydroxylation) e hoʻomaʻamaʻa i ka detoxification o nā mea make a me nā lāʻau lapaʻau. 5. Absorption a me ka metabolism ʻO ka lawe ʻana o ka huaora C ma o ka ʻai ʻana i ka meaʻai i loko o ke kino o ke kanaka ka mea nui o ka lawe ʻana i ka ʻōpū liʻiliʻi ma luna e kahi transporter, a ʻo kahi mea liʻiliʻi e komo ʻia e ka diffusion passive.Ke haʻahaʻa ka ʻai ʻana o ka huaora C, aneane hiki ke hoʻopili ʻia nā mea a pau, a i ka wā e hiki ai i ka 500 mg/d, e hāʻule ka helu absorption ma kahi o 75%.E komo koke ka huaora C i hoʻopaʻa ʻia i ke kahe koko a komo i nā ʻiʻo like ʻole a me nā ʻāpana o ke kino. Hoʻopili ʻia ka hapa nui o ka huaora C i loko o ke kino o ke kanaka i ka waikawa oxalic, 2, 3-diketogulonic acid, a i hui pū ʻia me ka sulfuric acid e hana i ka ascorbate-2-sulfuric acid a hoʻokuʻu ʻia i loko o ka mimi;Hoʻokuʻu ʻia kekahi o ia mea i ka mimi.ʻO ka nui o ka huaora C i hoʻokuʻu ʻia i loko o ka mimi e hoʻopili ʻia e ka lawe ʻana i ka huaora C, ka hana ʻāʻī, a me ka nui o ka hoʻomanaʻo i mālama ʻia i loko o ke kino. |
| Ke ala mālama | E hōʻalo i ka mālama ʻana me nā oxidants ikaika a me nā alkalis, a mālama i loko o kahi pahu i hoʻopaʻa ʻia i hoʻopiha ʻia me nā kinoea inert ma nā wela haʻahaʻa.
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