Results The average nutrition elements of heat energy,zinc,calcium,retinol were lower than the recommended dietary allowance in 1997,but were reached in 2001 among Shenzhen private kindergartens.

• 结果深圳私立幼儿园热能、锌、钙,视黄醇等营养素1997年低于标准供给量,2001年达到标准供给量。2001年与1997相比,钙、视黄醇的幼儿园达标率从1997年87%25和304%25提高到2001年571%25和714%25。