Du rat on, nhieu thai phu van co an nhung qua trung ngong to dung voi niem tin la chung giup dua tre thong minh hon. Theo cac chuyen gia, trung ngong cung la thuc pham giau dinh duong nhung ca do ngon lan do bo deu thua trung ga. 
Trung ga moi la thuc pham gia tri. (Anh: Typepad)
Hien chua co cong trinh nghien cuu khoa hoc nghiem tuc nao khang dinh phu nu mang thai neu an trung ngong thi con thong minh, hoac trung ngong tot cho thai nhi hon cac trung gia cam khac. Ve gia tri dinh duong, trung ngong giau protein hon trung ga mot chut (13,5% so voi 12,5%), nhung luong lipid lai cao hon (13,2% so voi 11,6%). Ve cac vitamin, trung ngong deu co it hon trung ga rat nhieu. Dac biet, vitamin A rat can cho phu nu co thai nhung ham luong o trung ngong chi bang mot nua so voi trung ga. Do do, cac chuyen gia dinh duong khuyen, thay vi co an trung ngong (it thai phu cam thay ngon mieng khi an thuc pham nay), cac ba bau nen dung trung ga. Bach khoa toan thu ve thuc an va dinh duong cua My viet: "Trung ga la mot ky tich cua thien nhien, la mot trong nhung thuc an hoan thien nhat ma nhan loai da biet. Thanh phan cac chat protein, lipid, glucid, cac vitamin va chat khoang trong trung ga co ty le phoi hop rat hop ly, giup boi duong suc khoe rat tot". Trung ga cung duoc y hoc co truyen Viet Nam dung lam thuoc bo duong. Dong y goi long do trung ga la “ke tu hoang”, co cong dung duong am, tot cho ty vi, tri mat ngu do am hu... Ngay xua khi di tham nguoi mang thai, sinh no, bao gio nguoi ta cung dem theo chuc trung ga lam qua. Theo Suc Khoe Va Doi Song Article source http://w4rum.com/400.t
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