Comparative study on the nutritional composition of different types of zanthoxylum bungeanum maxim seeds in longnan,gansu
The purpose of this study is to investigate the seeds of Zanthoxylum schinifolium Sieb&Zucc,red Zanthoxylum bungeanum Maxim,and prickless grafted red Zanthoxylum bungeanum Maxim from Wenxian County,Longnan City,Gansu Province.We used Kjeldahl nitrogen determination,HPLC,and other methods to measure the content of protein,volatile oil,and other main nutrients in these seeds to evaluate their feeding value.The results showed that,after cultivar improvement,the contents of water,total ash,and crude fiber in the prickless grafted red Zanthoxylum bungeanum Maxim seeds decreased,while the contents of crude protein and crude fat increased.The crude fat content,crude protein content,and volatile oil content of the prickless grafted variety were significantly higher than those of the other two types(P＜0.05).The contents of α-linolenic acid,palmitic acid,stearic acid,cis-oleic acid,cis-linoleic acid,and pentadecanoic acid in the prickless grafted variety were significantly higher than in the Zanthoxylum schinifolium seeds(P＜0.05).The contents of aspartic acid,glutamic acid,arginine,glycine,leucine,alanine,serine,phenylalanine,threonine,valine,isoleucine,proline,histidine,and total amino acids in the prickless grafted variety were significantly higher than in the other two types(P＜0.05).The essential amino acids isoleucine,lysine,methionine,and threonine in the prickless grafted variety were lower than the FAO/WHO recommended values;only methionine was detected,and leucine,phenylalanine+tyrosine,and valine were higher than the FAO/WHO recommended values.In conclusion,the composition of the seeds varies among the three types of prickly ash studied.The prickless grafted red Zanthoxylum bungeanum Maxim seeds could be used as a new animal feed to improve the utilization rate of the Zanthoxylum bungeanum industry in Wenxian County.
zanthoxylum bungeanum maxim seedsdifferent varietieslongnan,gansunutritional value
万方数据
维普
