Prophylactic and therapeutic potential of active phytoconstituents from Amomum subulatum Roxb oleh Richa Dhakal, Anjum Dihingia, Ruksana Sultana Ahmed, Dipanneeta Das Gupta, Ravi Kumar Sahu, Prachurjya Dutta, Pankaj Bharali, Prasenjit Manna, G. Narahari Sastry, Jatin Kalita