[1] Ahmed
,
M.K.K.,,2008,,Orient Longman Private Ltd., Chennai,345,,
[2] Canela
,
C.,Moraesb
,
R.M.,Dayana
,
F.E,Ferreirab
,
D.,,2000,,,54,115,120
[3] Christenhusz
,
M.J.M.,Byng
,
J.W.,,2016,The number of known plants species in the world and its annual increase,Phytotaxa (Magnolia Press),261,201,217
[4] Delazar
,
A.,Nahar
,
L.,Hamedeyazdan
,
S.,Sarker
,
S.D.,,2012,Microwave-assisted extraction in natural products isolation,Meth. Mol. Biol,864,89,115
[5] Dobias
,
P.,Pavlikhova
,
P.,Adam
,
M.,Eisner
,
A.,Benova
,
B.,Ventura
,
K.,,2010,Comparison of pressurized fluid and Ultrasonic extraction method for analysis of plant antioxidants and their antioxidant capacity,Eur. J. of Chem,8,87,95
[6] Eskilsson
,
C.S.,BjˆrklundE.,,2000,Analytical scale Microwave assisted extraction,J. Chrom. A.,902,227,250
[7] Evans
,
W.C.,EvansPharmacognosy,,2002,,Bailliere Tindall,13,654,656
[8] Hameed
,
I.,Asad
,
U.,Murad
,
W.,Khan
,
S.,,2014,,Center of Plant Biodiversity,4,331,338
[9] Hoareau L.
&
DaSilva E.J.,,1999,Medicinal Plants: an emerging health aid,Elec. J. Biotechnol.,2,273,285
[10] Kaufmann
,
B.,Christen
,
P.,,2002,Recent extraction techniques for natural products: Microwave-assisted extraction and pressurized solvent extraction,Phytochem. Anal.,13,105,113
[11] Kaufmann
,
B.,Christen
,
P.,Veuthey
,
J.L.,,2001,Study of factors influencing pressurized solvent extraction of polar steroids from plant material,Chromatographia,54,394,398
[12] Liazid
,
A.,Palma
,
M.,Barroso
,
C. G.,,2007,Investigation on phenolic compounds stability during microwave assisted extraction,J. of Chrom. A.,1140,29,34
[13] Mukherjee
,
P.K.,,2002,,,,379,447
[14] Panday
,
A.,Tripathi
,
S.,,2014,Concept of standardization, extraction and pre phytochemical screening strategies for herbal drugs,J. of Phytochem,2,115,119
[15] Rizzi P.A.,,2004,Prentice-Hall of India Private Ltd,,,1,2
[16] Sharma
,
V.,,2013,Based HPLC-PDA Quantification of Podophyllotoxin in Populations of Podophyllum hexandrum Royle “Indian Mayapple” from Higher Altitude Himalayas,J. of Med,1,176,183
[17] Sultan
,
P.,Shawl
,
A.S.,Abdellah
,
A.A.,RamtekeP.W.,,2010,Characterization and Comparative Study on Podophyllotoxin and Related Glycosides of Podophyllum heaxandrum,J. of Biol. Sci.,2,345,351
[18] Williams
,
O.J.,VijayaR.G.S.,OrsatV.,Dai
,
J.,,2006,,,28,113,120