Ca phe Uong cung phai dung cach

Thứ hai, 19 Tháng bảy 2010, 20:02 GMT+7

Ai quen uong ca phe cung thay phan chan khi co mot ly “den da” vao buoi sang hay tinh tao doi pho voi con buon ngu khi can lam viec dem… nhung vi co chua cafein va mot so chat khac, ca phe cung gay hai neu lam dung.  

 Ca phe Uong cung phai dung cach
 

Tac dung duoc ly

 

Ca phe va tra la hai thuc uong pho bien o nhieu nuoc. De co ca phe bot, nguoi ta dem rang hat cua qua ca phe va dem xay, ngay nay co loai duoc che bien thanh bot tan trong nuoc. Trong qua trinh rang ca phe, mot luong nuoc bay hoi (khoang 18%), duong co trong hat bi caramel hoa lam hat ca phe  sam mau thanh nau den, dong thoi co su bien doi hoa hoc lam ca phe co mui vi rat dac biet, de quyen ru.

 

Tac dung gay hung phan cua ca phe la do chua cac hop chat ma thanh phan co ban la cafein, voi ham luong 0,7- 2%, it hon so voi tra (che) o muc 2-3%. Tuy nhien, mot ly ca phe co tac dung kich thich manh hon vi su dung den 10-15g bot ca phe chua khoang 100mg cafein, con mot am tra co it cafein hon. Cafein co tac dung kich thich he than kinh trung uong, lam cho tinh tao, kich thich kha nang lam viec, nhat la lam viec bang tri oc, tang cuong hoat dong co va su phoi hop hoat dong.

 

Tac dung kich thich tinh tao cua cafein duoc su dung rong rai: ngoai tra, ca phe la thuc uong thong dung, nhieu loai nuoc giai khat khac nhu nuoc ngot co gas, nuoc tang luc deu co chua cafein. Cafein con duoc dung lam thuoc, la thanh phan cua nhieu thuoc tri cam, dau nhuc, giup tang cuong tac dung giam dau cua paracetamol, aspirin hoac lam giam tac dung gay buon ngu cua thuoc khang histamine tri di ung.

 

Ca phe cung con duoc xem la co gia tri dinh duong, voi 12% lipit (chat beo), 12% protit (chat dam), 4% chat khoang - nhieu nhat la kali va magie. Pha voi duong va sua, gia tri dinh duong cua Ca phe  duoc nang len.

 

Ca phe : uong phai dung cach

 

Cafein co tac dung tren he than kinh trung uong va ca hoat dong cua he thong tim mach. Vi vay, o mot so nguoi, uong ca phe se lam tim dap nhanh hon, nhuc dau, run tay, cam thay bat an. Cho nen nhung nguoi bi roi loan tim mach nen can than, neu thay bi anh huong xau thi khong nen uong nua.

 

Cafein co tac dung loi tieu, neu uong ban dem thi ngoai kho ngu do bi kich thich lai phai thuc giac di tieu dem. Do vay nen uong ca phe vao ban ngay, dac biet uong vao buoi sang la tot nhat. Moi ngay uong mot tach (khoang 200ml) la tot, hoac 2 - 3 tach chia deu sang chieu.

 

- Cafein co tac dung kich thich lam tang tiet axit dich vi. Vi vay tranh uong ca phe vao luc bung trong de bao ve niem mac da day, nhat la nhung nguoi da san yeu da day. Uong ca phe vao buoi sang ma bung trong, khong an diem tam cung co hai cho suc khoe. De phu hop voi thi hieu va tinh trang suc khoe cua nhieu nguoi, thi truong da co loai ca phe  lay bot hoac lay het cafein.

 

- Tuy theo moi ca nhan ma cach uong ca phe khac nhau. Co nguoi thich uong ca phe den khong duong de tan huong vi dang, mui vi dac biet cua no. Co nguoi thich uong ca phe voi sua. Cach nao cung tot, mien sao phu hop voi dieu kien cua minh, nhu nguoi bi benh tieu duong ma chi uong ca phe  khong thoi thi rat tot, nhung nguoi dang can nang luong thi nen uong ca phe voi duong hoac sua.

 

- Cafein co the gay tuong tac voi mot so duoc pham nhu lam mat tac dung cua thuoc an than gay ngu. Mot so khang sinh fluoroquinolon (nhu ofloxacin) uong chung voi ca phe se lam tang tac dung kich thich cua caffeine (gay tim dap nhanh, kho chiu, met ma co nguoi lam tuong ngo doc). Vi vay, tranh uong ca phe chung voi thuoc (uong thuoc tot nhat la dung nuoc la dun soi de nguoi).

 

- Ca phe hap dan nguoi uong khong chi vi tac dung cua caffeine ma con do mui vi. Vi vay, nguoi ta da them cac chat, huong lieu trong qua trinh che bien ca phe de tao nen vi dang, mui vi dac biet cua ca phe cho de ban. Neu nguoi nao do uong ca phe sau do bi say, do nguoi thi co the da bi di ung voi cafein hoac mot chat co trong ca phe. Tot nhat nen doi loai ca phe khac, con uong loai nao cung bi nhu vay thi khong nen uong ca phe nua.

 

- Doi voi cac ban sinh vien hoc sinh, khong nen lam dung ca phe (ke ca tra dam) cho viec thuc dem hoc thi. Do khong to chuc hoc tap, nghi ngoi hop ly nen co mot so ban tre gan toi ngay thi moi hoc don, hoc nen va nho den ca phe that dam de tinh tao “gao” bai. Nen luu y, met moi va buon ngu la dau hieu cho biet co the can nghi ngoi. Dung ca phe de cap mat mo trao trao chi la su danh lua, thuc chat co the van met moi. Uong ca phe de thuc dem dai ngay rat co hai cho suc khoe, dac biet hai cho tri nao.

 

Ca phe co gay nghien nhu ma tuy?

 

Gay nghien co nghia la “bi le thuoc vao chat nao do, khong the bo ma phai tiep tuc dung, neu khong dung thi thay rat kho chiu hoac bi roi loan trong co the”. O day can phan biet chat gay nghien tao ra hai loai le thuoc: le thuoc the chat va le thuoc tam ly.

 

Cafein la chat gay nghien nhung thuoc loai nhe, tuc la chi gay le thuoc tam ly. Nguoi da nghien ca phe toi cu ma khong co ca phe uong se cam thay kho chiu, ue oai, ban than, tham chi met moi. Loai le thuoc tam ly nay khong gay nguy hai nhu nghien ma tuy, boi vi nghien ma tuy gay le thuoc tam ly va ca the chat. Thieu ma tuy, nguoi nghien se bi roi loan the chat tram trong, gay con vat va rat kho chiu dung duoc. Con nguoi nghien ca phe, neu quyet tam van co the bo duoc.

 

PGS.TS.DS Nguyen Huu Duc

Viet Bao (Theo SGTT)

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