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| Correlation analysis of protein and amino acid component of 26 walnut kernels in Xinjiang |
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| DOI：10.12166/j.zgyz.1003-7969/2020.06.023 |
| KeyWord:walnut protein amino acid corre lation path analysis |
| FundProject:国家“十二五”科技支撑计划课题（2013BAD14 B0103）；廊坊师范学院博士基金项目（LSLB201706） |
| Author Name | Affiliation | | SU Yanping | 1.College of Life Sciences, Langfang Normal University, Langfang 065000, Hebei,China
2.College of
Forestry, Agriculture University of Hebei, Baoding 071000, Hebei,China
3.Research
Center for Walnut Engineering and Technology of Hebei, Lincheng 054300, Hebei,
China
4.Xinjiang Academy of Forestry, Urumqi 830000, China |
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| Abstract: |
| In order to determine the relationship between protein content and amino acids contents of walnut resources in Xinjiang, the contents of protein and amino acid of 26 Xinjiang walnut kernels were determined by Kjeldahl method and high performance liquid chromatography, respectively, and correlation between protein and amino acid were analyzed by correlation analysis and path analysis. The results showed that the protein content and total amino acid content of ‘Zha 74’ in the 26 walnut kernels in Xinjiang were the highest, which were 19.70 g/100 g and 16.92 g/100 g respectively. Correlation analysis showed that the content of 13 kinds of amino acid components such as glycine and arginine were significantly and positively correlated with the protein content, in which the correlation coefficient of glycine was the largest, reaching 0.906. The results of path analysis showed that aspartic acid and glutamic acid had great influences on protein content, and the path coefficients were 4.447 and 4.421, respectively. So in walnut breeding, the protein content of walnuts could be increased by adopting strategies of increasing the contents of aspartic acid and glutamic acid. |
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