我国拥有广大的山区和沙荒地,近年在开展荒山荒地的绿化措施中,果树的裁培受到重视。某些果树的干果制品,在平时为人民提供内容丰富的食品,在荒年和战争年代这些食品则被誉为“木本粮食”;南瓜和菱角也是传统的荒年代粮食物。在当前农业生产的大好形势下,提供这些食品的营养价值是具有意义的。作者等首先用常规法对这些食物进行了一般营养成分测定,同时还用蒽酮比色法和微生物法分别 Our country owns vast mountains and deserts. In recent years, the greening measures of barren hills and wastelands have received great attention. Dried fruit products from some fruit trees usually provide people with rich foods. During the years of shortage and war, these foods were praised as “woody food.” Pumpkins and water chestnuts are also traditional wasteland food. In the current favorable situation of agricultural production, it is significant to provide the nutritional value of these foods. The authors first of all use conventional methods for the determination of the general nutritional content of these foods, but also with anthrone colorimetric and microbiological methods were