T. Jimenez, G. Cabrera, E. Alvarez, and F. Gomez, “Evaluation of the content of stevioside and rebaudioside A in a population of Stevia rebaudiana Bertoni (kaâ heê) commercially cultivated. A preliminary study”, Mem. Inst. Investig. Cienc. Salud, Vol. 8, 2010, p.47-53.
 D.D. Soejarto, C.M. Compadre, P.J. Medon, S.K. Kamath, and A.D. Kinghorn, “Potential sweetening agents of plant origin II. Field search for sweet-tasting Stevia species”, Econ Bot., Vol. 37, 1983, p.71-79.
 J. Liu, and S.F.Y. Li, “Separation and determination of Stevia sweeteners by capillary electrophoresis and high performance liquid chromatography”, J Liq Chromatogr., Vol. 18, 1995, p. 1703-19.
 M.V. Chalapathi, and S. Thimmegowda, “Natural non-calorie sweetener stevia (Stevia rebaudiana Bertoni): a future crop of India”, Crop Res Hisar, Vol. 14, 1997, p. 347-50.
 A. Kaneda, T. Kubomura, K. Miyazaki, K. Wako, C. Takahashi, and S. Senda, “New sweetener from Stevia”, Nikken Chemicals Co. Ltd. Japan. 1977, Patent No:52-110871.
 O. Tanaka, “Steviol glycosides: new natural sweeteners”, Trends Anal Chem., Vol.1, 1982, p. 246-48.
 A.D. Kinghorn, and D.D. Soejarto, “Current status of stevioside as a sweetening agent for human use”, Economic and Medicinal Plant Research. New York:Academic Press, 1985, p.1-52.
 J. Satishkumar, M.M. Sarvanan , and I. Seethalakshmi, “In vitro antimicrobial and antitumor activities of Stevia rebaudiana (Asteraceae) leaf extracts”, Trop J Pharm Res., Vol. 7, 2008, p.11430-49.
 C. Gardana, M. Scaglianti, and P. Simonetti, “Evaluation of steviol and its glycosides in Stevia rebaudiana leaves and commercial sweetener by ultra-high performance liquid chromatographymass spectroscopy”, J Chromatogr A, Vol. 1217, 2010, p.1463-70.
 P.A. Silva, D.F. Oliveira, N.R. Prado, D.A. Carvalho, and G.A. Carvalho, “Evaluation of the antifungal activity by plant extracts against Colletotrichum gloeosporioides PENZ”, Ciencia E Agrotecnologia, Vol. 32, 2008, p.420-28.
 M. H. Hsieh, P. Chan, Y. M. Sue, J. C. Liu, T. H. Liang, and T.Y. Huang , “Efficacy and tolerability of oral stevioside in patients with mild essential hypertension: a two-year, randomized, placebocontrolled study”, Clin Ther., Vol. 25, 2003, p.2797-808.
 R. Kaushik, P. Narayanan, V. Vasudevan, G. Muthukumaran, and U. Antony, “Nutrient composition of cultivated stevia leaves and the influence of polyphenols and plant pigments on sensory and antioxidant properties of leaf extracts”, J Food Sci Technol., Vol. 47, 2010, p.27-33.
 K. Takahashi, M. Matsuda, K. Ohashi, K. Taniguchi, and O. Nakagomi, “Analysis of anti-rotavirus activity of extract from Stevia rebaudiana”, Antiviral Res., Vol. 49, 2001, p.15-24.
 P. Jeppesen, S. Gregerse, S. Gregersen, K. Alstrupp, and K. Hermansen, “Stevioside induces antihyperglycaemic, insulinotropic and glucagonostatic effects in vivo: studies in the diabetic Goto Kakizaki (GK) rats”, Phytomed. Vol. 9, 2002, p.9-14.
 N. Kumari, R. C. Rana, Y. P. Sharma, and S. Kumar, “Extraction, purification and analysis of sweet compounds in Stevia rebaudiana Bert. using Chromatographic Techniques”, Indian J Pharm Sci, 4th ed., Vol.79, 2017, p.617-24.
 K. Takahashi, Y. Iwata, S. Mori, and S. Shigeta, “In-vitro anti-HIV activity of extract from Stevia rebaudiana”, Antiviral Res., Vol. 37, 1998, p.59.
 A. Arya, S. Kumar, and M. S. Kasana, “Anti-inflammatory activity of in vitro regenerated calli and in vivo plant of Stevia rebaudiana (Bert.) Bertoni”, Int J Scientific and Research Pub, Vol. 2, 2012, p.1-5.
 S. A. Kedik, E. I. Yartsev, and I. E. Stanishevskaya, “Antiviral activity of dried extract of Stevia”, Pharm Chem J., Vol. 43, 2009, p.198-99.
 K. Mohan, and J. Robert, “Hepato protective effects of Stevia rebaudiana Bertoni leaf extract in CCl4-induced liver injury in albino rats”, Med Aromat Plant Sci Biotechnol, Vol. 3, 2009, p.59-61.
 V. Chatsudthipong, and C. Muanprasat, “Stevioside and related compounds: therapeutic benefits beyond sweetness”, Pharmacol Ther, Vol. 121, 2009, p.41-54.
 S.Q. Zhang, A. Kumar, and O. Kutowy, “Membrane based separation scheme for processing sweeteners from stevia leaves”, Food Res Int , Vol. 33, 2000, p.617-20.
 J. Pol, O.E. Varadova , P. Karasek, M. Roth, K. Benesova, and P. Kotlarikova, “Comparison of two different solvents employed for pressurised fluid extraction of stevioside from Stevia rebaudiana: methanol versus water”, Anal Bioanal Chem, Vol. 388,2007, p.1847-57.
 M. Puri, D. Sharma, C. J. Barrow, and A.K. Tiwary, “Optimisation of novel method for the extraction of steviosides from Stevia rebaudiana leaves”, Food Chem, Vol. 132, 2012, p.1113-20.
 C.C. Teo , S.N. Tan, J.W.H. Yong, C.S. Hew, and E.S. Ong, “Pressurized hot water extraction (PHWE)”, J Chromatogr A, Vol. 121, 2010, p.2484-91.
 S. M. Savita, K. Sheela, S. Sunanda, A. G. Shankar, P. Ramakrishna, and S. Sakey, “Health implications of Stevia rebaudiana”, J Hum Eco, Vol. 15, 2004, p.191-94, 261-64.
 H. J. Buckenhuskers, and H. J. Omran , “Stevia rebaudiana Bertoni and stevioside”, Sugar and S Subst in food Proc Nutr., 1997, p.157-78.
 S. C. Liliana, K. Eugenio, and K. Nicolas, “Solubility of Stevioside and Rebaudioside A in water, ethanol and their binary mixtures, Int J Food Studies, Vol. 5, 2016, p.158-66.
 S. S. Gursimran, and K. S. Gagandeep, “Studies on extraction of stevioside from stevia (Stevia rebaudiana Bertoni) leaves”, Punjab Agricultural University, Punjab, India, 2014.
 M. A. A. Gasmalla, R. Yang, and X. Hua, “Extraction of rebaudioside-A by sonication from Stevia rebaudiana Bertoni leaf and decolorization of the extract by polymers”, J Food Sci Technol., Vol. 52, 2015, p. 5946-53.
 F. N. Muanda, R. Soulimani , B. Diop , and A. Dicko, “Study on chemical composition and biological activities of essential oil and extracts from Stevia rebaudiana Bertoni leaves”, LWT – Food Sci and Technol., Vol. 44, 2011, p.1865–72.