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Table 2 Alkaloid contents in different types of yellow rice wine and prepared alcoholic products (% by dry weight)

From: A study on the processing technology for Rhizoma Coptidis

Variety and alcohol of yellow rice wine Epiberberine (%) Coptisine (%) Palmatine (%) Berberine (%)
Dry type,16% 1.33 2.26 2.23 7.95
Semi-dry,15% 1.29 2.22 2.21 7.98
Semi-Swee,10% 1.36 2.28 2.22 7.89
Sweet,11.5% 1.34 2.29 2.23 8.01
RSD% 2.22 1.37 0.44 0.65