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Table 1 Andrographis paniculata materials from plants at various developmental stages in greenhouse experiment in two growing seasons, September 2006, and January 2007

From: Changes in the contents of four active diterpenoids at different growth stages in Andrographis paniculata (Burm.f.) Nees (Chuanxinlian)

Stages Harvesting time (days) Plant organs
September 2006 January 2007
Tray
1. Seedling 7 7 Cotyledon, hypocotyl, root
2. First true leaf 14 14 Cotyledon, young leaf, stem, root
3. Transfer 39 45 Cotyledon, leaf, stem, root
Pot
4. Vegetative 108 114 Leaf, stem, root
5. 50% Flowering 128 141 Leaf, stem, root, flower, young pod (including seed)
6. Seed forming 133 149 Leaf, stem, root, flower, young pod (including seed)
7. Mature seed 161 206 Leaf, stem, root, pod, and seed