Vitamin B9 cần cho con người

Vitamin B9

can cho con ngifdi

Vitamin B9 edn ggi Id

vitamin Be, vitamin Ll,

vitamin M, acid folic, acid

folique, folacin hay folat, ten hda

hgc: pteroyl monoglutamic acid,

tgn quie te'; folic aeid.

Nam 1941, cdc nhd khoa hge

phdt hien trong Id eua rau Bina

(spinach) cd acid folic.

Folic acid Ifi vitamin thugc

nhdm B, Id coenzym cua nhieu qua

trinh chuyln hda trong cO the, ra't

cdn dl san xud't tl" bdo mdi trong

dd cd hong cau, bach cdu; nd ddc

bigt quan trgng d giai doan phdn

chia va ldn nhanh cua t l bdo tri

so sinh vfi phu nfl mang thai. Acid

folic ddng vai trd quan trgng vdi

sfl hinh thdnh, phuc hdi, tong hgp

nhdn ddi vd trdnh dgt big'n ADN,

- Folic acid Idm giam lugng

homocystein. Id chat tao dilu kign

eho vfla xo mach vanh phfit trien,

ndn rd't edn thilt cho ngUdi bgnh

dau thdt ngifc, nhli mdu eO tim.

- Folic acid tham gia vdo qud

trinh tong hgp cac cha't dan truyen

thdn kinh nhu dopamin, adrenalin,

noradrenalin.. giup cho thdn kinh

boat ddng tdt; chd'ng cae bgnh nhd

phan flng ehfim chap, rd'i loan thai

dg, tu ky.

- Folic acid ke't hffp vdi vitamin

B12 giup san sinh te' bfio mau

chd'ng bgnh thieu mau.

Tac hai khi thie'u folic acid

Phu nd mang thai thilu acid

folic se gay nhiftig bgnh nghiem

trgng cho thai nhi nhd: nflt dd't

sd'ng, gdy tfin tdt nghigm trgng,

bgnh khdng nao hay tbid'u mdt

phan nao. Td't ca cac khig'm khuylt

nfiy xay ra trong 28 ngdy dau cua

thai ky. Do vdy trUdc khi cd thai va

sudt thdi ky mang thai ngUdi me

phai bd sung 400 - SOOmcg folic

aeid mdi ngdy. Theo bao cdo eua To

chde Y t l Thi gidi (WHO) vd Vign

Dinh dfldng Vigt Nam, hffn 50%

phu nfl Vigt Nam trong dg tudi sinh

san cd hfim lUgng folic aeid thdp

dudi ngudng tdi uu de ngfin ngfla

di tat Ing than kinh eho thai nhi.

Theo Cue Phdng ehlng Bgnh tdt

Hoa Ky (CDC), folic acid cdn trdnh

di tgt ve mdi, tim, d'ng tieu vfi chfin

tay cbo tre mdi sinh.

Thig'u folic acid d ngddi ldn gay

ra ede chdng: ehdn nan, cfing thang,

hay quen, ma't ngu, suy nhdge cff

thi, thilu mfiu bdng edu to. Cac

benh vl huyg't dp, bgnh d lddi, bgnh

dudng rugt, giam sflc dl khfing.

Nguygn nhdn gdy thieu folic acid

- Do khau phan fin khdng cung

cap du, dde bidt vdi nhflng dd'i

tugng cd nhu cau cao nhd phu nd

i

Cic lo$i rau xanh giau toiic acid.

Trong iihi chi bUn luu y di khdng bi mit nguon vitamin thiin nhiin niy.

^ DS. TRAN XUAN THUYET

mang thai, tre sinh non, tre khong

dUffc bu me,,..

- Do qufi trinh tdng hOp folic

acid trong cO the bi rli loan.

- Do kha nang ha'p thu va su!

dung folat trong co thi kem din

den tfing phd huy bode tfing b^

tilt folat trong cd thi.

Do nghign rUffu.

- Do dang dimg cfic thudc khai^

folic aeid nhU methotrexat, bactrim,

eusaprim... hofic dang dimg cfic th ^

ldm giam chuyln hda foUc acid nliii

thulc tranh thai uing, thulc chli^

sd't ret, thud'c khdng lao,.,.

Thig'u folic aeid thUdng di kem

vdi thie'u vitamin C, sat, kem, Ifim

giam tinh sinh hgc cua folic acid.

Tac ha i cua thuCa folic acid

Cdc nhfi khoa hoc thudc Dai

hgc Adelaide (Hoa Ky) da theo doi

550 phu nfl mang thai c6 bd sung

folic aeid, phdt hign thdy ngddi bo

sung qua nhilu folic acid suit thffi

ky mang thai se khig'n sd tre sau

sinh hi benh hen suyin tfing 30%,

so vdi ngfldi dung dung lilu bac si

ehi dan.

Theo Hiep hdi Sfle khde Hoa

Ky, mdi ngdy khdng nap qud

l.OOOmcg folic aeid, nlu thife cd th^

gdy rdi loan tieu hda, ngfla, ndi m^

day, tfing sinh te bdo dan dg'n tho^

bda tuy sing bdn cap. Vdi ngd&i c6

khdi u, tang sinh te bdo ldm cho

khli u phat triln nhanh hdn.

Dfl thfla acid folic se cbe lap

hien tugng eg th i thilu vitamin

B12 ddn din nguy eff ehdn thdcmg

ndo bg.

Nhu cau folic acid hang ngay

cua ctf the

• Tre edn bu: 50mcg.

• Tfl 1 - 3 tuli: lOOmeg.

• Tfl 4 - 12 tudi: 200mcg.

• Td 13 tudi d&i ngUbi ldn: 300meg.

• Phu nfl ed thai hofic cho con b6

SOOmcg (gidi han an todn SOOmcg)-

THUOC & SLfC ICHOE sl508 (15,9.201^