Quality classification criteria of Oldenlandia diffusa seeds / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To establish the quality classification criteria of Oldenlandia diffusa seeds.</p><p><b>METHOD</b>Thirty batches of O. diffusa seeds from different provenances with different collecting time were selected. And the seed germination percentage, seed purity, weight per 1 000 grains, moisture content and seed viability were determined and analyzed through SPSS 11.0 software.</p><p><b>RESULT AND CONCLUSION</b>Seed germination percentage was selected as the main index for classification, while seed purity, weight per 1 000 grains and moisture content could be used as references. The quality classification criteria of O. diffusa seeds have been initially established.</p>