Comparison on contents of mineral elements and amino acids in different germplasms of Anoectochilus roxburghii
10.7501/j.issn.0253-2670.2017.02.025
- Author:
Meng-Jie XU
1
Author Information
1. Department of Chinese Materia Medica, Zhejiang A & F University
- Publication Type:Journal Article
- Keywords:
Amino acids;
Anoectochilus roxburghii (Wall.) Lindl.;
Cluster analysis;
Mineral elements;
Principal components analysis
- From:
Chinese Traditional and Herbal Drugs
2017;48(2):368-372
- CountryChina
- Language:Chinese
-
Abstract:
Objective: To compare the contents of mineral elements and amino acids in different germplasms of Anoectochilus roxburghii. Methods: The contents of amino acids and mineral elements in 11 different germplasms of A. roxburghii were determined by automatic amino acid analyzer and atomic absorption spectrometer. Results: The range of essential amino acids in the different species of A. roxburghii was 2.81%-4.47%, and the range of total amino acids was 11.38%-17.06%. Aspartic acid, glutamic acid, and lysine contents were significantly higher than those of other amino acids. The content of potassium was the highest, and the order was: K > Ca > Mg > Fe > Mn > Zn > Cr > Cu > Pb > Cd. The principal components analysis showed that alanine, serine, glutamic acid, aspartic acid, threonine, isoleucine, alanine, phenylalanine, and leucine were characteristic amino acids in A. roxburghii. Fe, Zn, Mn, Ca, Cr, and Mg were characteristic elements of A. roxburghii. Conclusion: There are regional differences of A. roxburghii between amino acids and the content of mineral elements.
