Fig. 4From: Extraction and analysis of high-quality chloroplast DNA with reduced nuclear DNA for medicinal plantsComparison of the purity of extracted cpDNA using different chloroplast isolation methods. Modified high-salt low-pH method (MHL); High-salt method (HS); NaOH low-salt method (NLS). Data are expressed as mean ± SE (n = 3). The asterisk indicates a significant difference (*p < 0.05)Back to article page