Mineral elements and characteristic as quality markers on bamboo liquor
CHEN Chen1, FAN Wei2, ZHANG Bao1, XUN Hang1, YAO Xi1, TANG Feng1*
1(International Center for Bamboo and Rattan, NFGA/Beijing Key Lab for Bamboo & Rattan Science and Technology (ICBR), Beijing 100102, China); 2(Chinese Academy of Forestry, Beijing 100091, China)
Abstract: Bamboo liquor, a traditional Chinese alcoholic beverage, is popular in China. In order to evaluate the quality of commercial bamboo liquor, inductively coupled plasma mass spectrometry was used to determine the contents of 14 mineral elements. And principal component analysis and cluster analysis were used to screen the key indicators. The results showed that bamboo liquor was rich in Na, Mg, K, Ca, Mn, Fe, Cu, and Zn. Potassium is one of the characteristic components of bamboo liquor, with the highest content of 222.40-968.99 mg/L. After aging in Phyllostachys pubescens cavity, the content of potassium reached 181.53-929.24 mg/L, which was 9.29 times of that in base liquor. In conclusion, potassium was identified as one of the key indicators in bamboo liquor. The results of this study provide a basis for the formulation of the product standard of bamboo liquor.
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2020, Vol. 46 
