0102030405
D-mannose: Mai ka makana momona o ke ?ano i kahi huaka?i maika?i o ka hana ?ana
2025-03-13
- He kumuhana kama'āina a pa?akikī ke kō i ko mākou ola i kēlā me kēia lā. Mai ka sucrose ma?amau, fructose a hiki i ka D-mannose li?ili?i, i kēia lā, e kama?ilio mākou e pili ana i ka hōkū ha?aha?a akā hiki ke loa?a - D-mannose.
Hiki ke kani ?o D-mannose me kahi inoa hui ?ole, akā he hexose maoli ia i ?ike nui ?ia ma ke ?ano. ?A?ole like me ka sucrose a me ka fructose, ke hele mai nei ?o D-mannose i ka maka o ka lehulehu me kāna ?ono kū?oko?a a me nā pono olakino he nui. ?O kona ?ono ma kahi o 60% o ka sucrose, he kōpa?a ha?aha?a ha?aha?a ha?aha?a, no ka ?imi ?ana i ka mea?ai olakino no nā po?e o kēia wā, ?a?ole ia he koho maika?i.?A?ole ?olu?olu wale ?o D-mannose, akā nani nō ho?i kāna waiwai noi. Ma ke kahua mea?ai, hiki ke ho?ohana ?ia e like me ka mea ?ono ha?aha?a ha?aha?a no ka hana ?ana i nā mea?ai olakino like ?ole; I ka manawa like, no kona antioxidant, anti-inflammatory a me nā waiwai ?ē a?e, e like me ka moisturizer a me nā mea anti-aging e ho?ohana nui ?ia i nā mea ho?onaninani. Ma ke kahua lapa?au, ua hō?ike kupanaha hiki, a me nā ha?awina ua hō?ike i ka D-mannose hiki ke hoemi inflammatory bowel ma?i, mālama rheumatoid arthritis, pale asthmatic airway aahu, a hiki i hō?ike i nā hopena maika?i i ka mālama 'ana i ka ma?i 'a?ai a me congenital glycosylation ma?i.
I nā makahiki i hala iho nei, me ka ho?omohala wikiwiki ?ana o ka biotechnology, ua lilo ke ?ano biological i ke ?ano kumu nui o ka hana D-mannose. Ke ho?ohana nei kēia ?ano i nā enzyme biological no ka ho?ololi ?ana i nā kōpa?a ?ē a?e (e like me D-fructose) i D-mannose, nona nā pōmaika?i o ka hana ki?eki?e, ka mālama ?ana i ke kaiapuni a me ke kumu kū?ai ha?aha?a.
Ma waena o nā enzyme biological, makemake ?ia ?o D-mannose isomerase ma muli o kona mana catalytic ki?eki?e. Eia nō na?e, ?o ka hapa nui o nā ha?awina mua i ho?ohana iā Escherichia coli ma ke ?ano he chassis cell no ka hana ?ana, kahi i ho?omaika?i ai i ka hana hana akā ua lawe pū mai i nā pilikia palekana. Ma hope o nā mea a pau, ?a?ole ?o E. coli kahi mea?ai-palekana, a ?o nā mea kemika i hana ?ia e hiki ke ho?opilikia i ka endotoxin. I mea e ho?oponopono ai i kēia pilikia, ua ho?omaka ka po?e ?epekema e ?imi i nā kānana ?oko?a palekana. ?O ka hope loa, ua koho lākou iā Bacillus subtilis e like me ka cell chassis hou. Ua ho?okipa nui ?ia ?o Bacillus subtilis ma muli o kāna mau ?ano o ka mea ?awa?awa, ?a?ohe pō?ino, ?oi aku ka maika?i o ka antibacterial, ?a?ole ma?alahi e noho a ?a?ole ma?alahi e hana i ka lā?au kū?ē. ?O ka mea nui a?e, ua ?ike nui ?ia ?o ia ma ke ?ano he "Generally Recognized as Safe" (GRAS) kānana e ho?okō nei i nā koi ho?oma?ema?e mea?ai.Ma kēia ha?awina, ma ka ho?ohālikelike ?ana i nā waiwai enzymatic o D-mannose isomerase mai nā kumu he nui, ua koho hope ?ia ke kumu maika?i loa o ka isomerase mannose a hō?ike ?ia ka heterologous ma Bacillus subtilis, a ua hana maika?i ?ia ka recombinant strain B. subtilis 168/pMA5-EcMIaseA. Ua hana ?ia ?o D-mannose e ka cell catalysis holo?oko?a me ka ho?ohana ?ana i ka D-fructose ma ke ?ano he substrate. Ua ho?omaika?i hou ?ia ka ho?ololi ?ana a me ka hua o D-mannose ma o ka ho?ololi ?ana i ka mahana ho?ololi, ka pH a me ka ?ike substrate. ?O ka pae fermenter 5 L e hiki ai i ka synthesis maika?i o D-mannose me ka nui o ka ho?ololi ?ana ma mua o 27% a ?oi aku ka nui o ka 160 g/L. ?A?ole kēia i ho?okō wale i ka mo?olelo hana mua, akā hā?awi pū kekahi i ke kāko?o ?enehana ikaika no ka hana ?enehana o D-mannose.?O E-mannose, kēia makana momona mai ke ?ano, ke huki nei i ka mana?o o nā ?oihana like ?ole me kona nani kū?oko?a a me ka hiki ?ole. Me ka ho?onui nui ?ana o ka nānā ?ana i ka mea?ai olakino a me ka biotechnology, ?oi aku ka maika?i o ka mākeke o D-mannose. I ka wā e hiki mai ana, loa?a iā mākou ke kumu e mana?o?i?o ai e ho?okani nui ?o D-mannose i nā ?oihana ?ē a?e a lilo i mea ikaika nui e hāpai i ka ho?omohala ?ana i ka ?oihana olakino. Ma ka manawa like, ke mana?o nei mākou e hiki i nā ?epekema ke ho?omau i ke a?o ?ana i ka biosynthesis a me ka ho?ohana ?ana o D-mannose, a lawe mai iā mākou i nā mea kupanaha a me nā holomua.