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我国幅员辽阔,各地气候、土壤及食物品种的差异甚大,各地蔬菜瓜果的营养素含量常有不同。所以不仅国外的食物分析结果不足以反映我国食物的营养价值,即令我国南方的食物成分亦不宜以北方食物成分代表。 过去曾有几篇报告涉及长沙食品的维生素C含量,但多偏重於水果的分析,所用
China has a vast territory, with great differences in climate, soil and food varieties all over the world. Nutrient contents of vegetables and fruits in different places are often different. Therefore, not only the results of food analysis abroad are not enough to reflect the nutritional value of food in our country, that is to say, food ingredients in the south of our country should not be represented by food ingredients in the north. There have been several reports in the past concerning the vitamin C content of Changsha foods, but more emphasis has been placed on the analysis of the fruits used