A.膳食葉酸當(dāng)量(DFE)=膳食葉酸(μg)+2.3×葉酸補(bǔ)充劑(μg)
B.膳食葉酸當(dāng)量(DFE)=膳食葉酸(μg)+1.7×葉酸補(bǔ)充劑(μg)
C.膳食葉酸當(dāng)量(DFE)=膳食葉酸(μg)+1.5×葉酸補(bǔ)充劑(μg)
D.膳食葉酸當(dāng)量(DFE)=1.5×膳食葉酸(μg)+1.7×葉酸補(bǔ)充劑(μg)
E.膳食葉酸當(dāng)量(DFE)=膳食葉酸(mg)+1.5×葉酸補(bǔ)充劑(mg)