Lawe iā ʻoe e ʻike i ka epigallocatechin gallate

ʻO Epigallocatechin gallate, a i ʻole EGCG, me ka molecular formula c22h18o11, ʻo ia ka mea nui o nā polyphenols kī ʻōmaʻomaʻo a me kahi monomer catechin i hoʻokaʻawale ʻia mai ke kī.

ʻO nā Catechins nā mea hana nui i ke kī, no ka 12% - 24% o ke kaumaha maloʻo o ke kī.ʻO ka catechins i loko o ke kī ka mea nuicatechin(c),epicatechin(EC), gallicatechin (GC),epigallocatechin(EGC), catechin gallate (CG),epicatechin gallate(ECG) Aia he 8 monomer o ka gallatechin gallate (GCG) aepigallocatechin gallate(EGCG).
ʻO ka Epigallocatechin gallate ka α- ʻO ka ester i hana ʻia e bisphenol benzopyran a me ka waikawa gallic ka laulā o ka pale ʻana o ka oxidation phenolic.He 6 mau hui hydroxyl ortho phenolic kona kino, no laila he nui kona mau waiwai i ʻoi aku ma mua o nā catechins ʻē aʻe.Loaʻa iā ia nā antibacterial, anti-inflammatory, antioxidant a me nā hopena anti mutation, a hiki ke hoʻohana ʻia ma ke ʻano he mea hoʻohuli o ka pale ʻana i ka multidrug tumor.Hiki iā ia ke hoʻomaikaʻi i ka naʻau o nā maʻi maʻi maʻi i ka chemotherapy, hoʻemi i ka ʻona i ka puʻuwai, a pale i ka endothelium.Hiki iā ia ke hoʻoikaika maikaʻi i ka vasodilation a hoʻemi i ka loaʻa ʻana o nā maʻi cardiovascular.
Ke hoʻohālikelike ʻia me ka tii polyphenol extract, epigallocatechin gallate maʻemaʻe kiʻekiʻe nā mea maikaʻi o nā mea hana maʻemaʻe, ʻaʻohe keakea o nā haumia a me nā hopena ʻaoʻao, a me ka hana ikaika.No laila, he mea nui ka hoʻokaʻawale ʻana a me ka hoʻomaʻemaʻe ʻana i ka epigallocatechin gallate.I kēia manawa, ʻo nā kumu hoʻokaʻawale nui o ka epigallocatechin gallate ka nui o ka hoʻokaʻawale ʻana o HPLC, ka hoʻokaʻawale ʻana o ka glucose gel, supercritical fluid extraction, column chromatography a pēlā aku.No ka mea ʻoi aku ka liʻiliʻi o ka hoʻopihapiha hoʻopihapiha, loaʻa iā ia nā pono o ka mana adsorption ikaika, desorption maʻalahi, kūpaʻa kiʻekiʻe, hiki ke hoʻololi, hoʻohana hou a pēlā aku.
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