Silver nanoparticles synthesized using saponin extract of Simarouba glauca oil seed meal as effective, recoverable and reusable catalyst for reduction of organic dyes oleh Chitrabanu Chikkanayakanahalli Paramesh, Guddappa Halligudra, Vinay Gangaraju, Jagadeesh Babu Sriramoju, Mahesh Shastri, Harsha Kachigere B., Preetham Habbanakuppe D., Dinesh Rangappa, Rangappa Kanchugarakoppal Subbegowda, Prasanna Doddakunche Shivaramu