
Comparing the content of chicory polysaccharide and the value of feeding in different chicory varieties
HE Jing, FU Wei, HAN Yongfen, QIN Taoying
Comparing the content of chicory polysaccharide and the value of feeding in different chicory varieties
[Objects]The value of feeding and medicine in chicory varieties including Puna, Jiangjun, Daye, and G5 was compared to provide a theoretical basis for the breeding of new chicory varieties used for both medicine and feed. Methods The phenol-sulfuric acid method was used to determine the total sugar in the fresh leaves, dried leaves and roots of chicory indoor. The 3,5-dinitrosalicylic acid colorimetric method was used to determine the content of reducing sugars and calculate the content of chicory polysaccharides. Random block experiments were conducted in residential areas to determine the yield of fresh grass and root underground. Seven common nutritional components were determined during the period of sitting lotus. LSD method was used to make variance analysis (ANOVA) on the yield of fresh grass and root. Results The content of chicory polysaccharide in dried grass was higher than that in fresh grass, with less content in leaves and the highest content in roots. The yield of root in the new chicory variety G5 reached 364 kg/667 m2, and the content of chicory polysaccharides in the root reached 42.53 g/kg, both of which were the highest among all varieties. At the same time, its yield of fresh grass was significantly higher than that of the other three varieties, reaching 7161 kg/667 m2. The content of crude protein and crude fat in the chicory variety G5 was 25.48% and 3.17%, higher than that in the other three chicory varieties. Conclusions Chicory variety G5 had high content of polysaccharide, high yield of fresh grass and root underground, and high value of nutrition, showing good value of medicine and feeding.
chicory / chicory polysaccharide / yield of fresh grass / yield of root / nutritional components
S816.1
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