雪莲果不同部位的营养成分分析

对雪莲果不同部位进行了糖、粗脂肪、氨基酸和矿质元素等营养成分的测定和分析。雪莲果块根、茎和叶中均含有大量的糖类,干重含量分别为73.20%,16.66%和14.24%,块根中含有丰富的低聚果糖,其含量达58.86%;块根中氨基酸和维生素含量分别为2.598 2 mg/g和3.54 μg/g;叶和茎中含有较高的粗蛋白和丰富的矿质元素。结果表明,雪莲果是一种集药用、食用、饲用于一体的优良资源植物,块根是一种优质的保健型水果,茎叶还可作为畜禽的优良饲料,具有较高的开发利用价值。

Analysis of the nutritional composition in different plant parts of yacon

The sugar, crude fat, amino acids and mineral elements from different parts of Smallanthus sonchifolius were analyzed. The content of sugar in root, stem and leaf were very high, accounting for 73.20%, 16.66% and 14.24%, respectively, especially the content of FOS in root was abundant, reached 58.86%; the total content of amino acid in root was 259.82 mg/100 g and the vitamin was 3.54 μg/g; the content of crude protein and mineral element in leaf and stem were also very high. Therefore, the stem and leaf of S. sonchifolius were not only the sources of protein for human, but also good forage for domestic animals, which showed a potential to develop and utilize.