Ansari RA, Tripathi SC, Patnaik GK, Dhawan BN. Antihepatotoxic properties of picroliv: an active fraction from rhizomes of Picrorhiza kurrooa. J Ethnopharmacol 1991;34:61-8.
Sharma ML, Rao CS, Duda PL. Immunostimulatory activity of Picrorhiza kurroa leaf extract. J Ethnopharmacol 1994;41:185-92.
Bedi KL, Zutshi U, Chopra CL, Amla V. Picrorhiza kurroa, an ayurvedic herb, may potentiate photochemotherapy in vitiligo. J Ethnopharmacol 1989;27:347-52.
Chander R, Kapoor NK, Dhawan BN. Picroliv, picroside-I and kutkoside from Picrorhiza kurrooa are scavengers of superoxide anions. Biochem Pharmacol 1992;44:180-3.
Jia Q, Hong MF, Minter D. Pikuroside: a novel iridoid from Picrorhiza kurroa. J Nat Prod 1999;62:901-3.
Vaidya AB, Antarkar DS, Doshi JC, et al. Picrorhiza kurroa (Kutaki) Royle ex Benth as a hepatoprotective agent--experimental & clinical studies. J Postgrad Med 1996;42:105-8.
Rajeshkumar NV, Kuttan R. Protective effect of Picroliv, the active constituent of Picrorhiza kurroa, against chemical carcinogenesis in mice. Teratog Carcinog Mutagen 2001;21:303-13.
Rastogi R, Srivastava AK, Rastogi AK. Long term effect of aflatoxin B(1) on lipid peroxidation in rat liver and kidney: effect of picroliv and silymarin. Phytother Res 2001;15:307-10.
Rajeshkumar NV, Kuttan R. Inhibition of N-nitrosodiethylamine-induced hepatocarcinogenesis by Picroliv. J Exp Clin Cancer Res 2000;19:459-65.
Saraswat B, Visen PK, Patnaik GK, Dhawan BN. Ex vivo and in vivo investigations of picroliv from Picrorhiza kurroa in an alcohol intoxication model in rats. J Ethnopharmacol 1999;66:263-9.
Baruah CC, Gupta PP, Nath A, et al. Anti-allergic and anti-anaphylactic activity of picroliv--a standardised iridoid glycoside fraction of Picrorhiza kurroa. Pharmacol Res 1998;38:487-92.
Chander R, Singh K, Visen PK, et al. Picroliv prevents oxidation in serum lipoprotein lipids of Mastomys coucha infected with Plasmodium berghei. Indian J Exp Biol 1998;36:371-4.
Mittal N, Gupta N, Saksena S, et al. Protective effect of Picroliv from Picrorhiza kurroa against Leishmania donovani infections in Mesocricetus auratus. Life Sci 1998;63:1823-34.
Dwivedi Y, Rastogi R, Garg NK, Dhawan BN. Effects of picroliv, the active principle of Picrorhiza kurroa, on biochemical changes in rat liver poisoned by Amanita phalloides. Zhongguo Yao Li Xue Bao 1992;13:197-200.
Dorsch W, Stuppner H, Wagner H, et al. Antiasthmatic effects of Picrorhiza kurroa: androsin prevents allergen- and PAF-induced bronchial obstruction in guinea pigs. Int Arch Allergy Appl Immunol 1991;95:128-33.
Doshi VB, Shetye VM, Mahashur AA, Kamat SR. Picrorrhiza kurroa in bronchial asthma. J Postgrad Med 1983;29:89-95.
Van den Worm E, Beukelman CJ, Van den Berg AJ, et al. Effects of methoxylation of apocynin and analogs on the inhibition of reactive oxygen species production by stimulated human neutrophils. Eur J Pharmacol 2001;433:225-30.
't Hart BA, Simons JM, Knaan-Shanzer S, et al. Antiarthritic activity of the newly developed neutrophil oxidative burst antagonist apocynin. Free Radic Biol Med 1990;9:127-31.
Jagetia, G. C. and Baliga, M. S. The evaluation of nitric oxide scavenging activity of certain Indian medicinal plants in vitro: a preliminary study. J Med Food 2004;7(3):343-348.
Joy, K. L. and Kuttan, R. Anti-diabetic activity of Picrorrhiza kurroa extract. J Ethnopharmacol 11-1-1999;67(2):143-148.
Senthil Kumar, S. H., Anandan, R., Devaki, T., and Santhosh, Kumar M. Cardioprotective effects of Picrorrhiza kurroa against isoproterenol-induced myocardial stress in rats. Fitoterapia 2001;72(4):402-405.
Singh, A. K., Sharma, A., Warren, J., Madhavan, S., Steele, K., Rajeshkumar, N. V., Thangapazham, R. L., Sharma, S. C., Kulshreshtha, D. K., Gaddipati, J., and Maheshwari, R. K. Picroliv Accelerates Epithelialization and Angiogenesis in Rat Wounds. Planta Med 2-22-2007;
Mehrotra, R., Rawat, S., Kulshreshtha, D. K., Patnaik, G. K., and Dhawan, B. N. In vitro studies on the effect of certain natural products against hepatitis B virus. Indian J Med Res 1990;92:133-138.
Brockwell C, Ampikaipakan S, Sexton DW, Price D, Freeman D, Thomas M, Ali M, Wilson AM. Adjunctive treatment with oral AKL1, a botanical nutraceutical, in chronic obstructive pulmonary disease. Int J Chron Obstruct Pulmon Dis 2014;9:715-21.