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George G, Dileep PS, Paul AT (2019) Development and validation of a new HPTLC-HRMS
method for the quantification of a potent pancreatic lipase inhibitory lead Echitamine from
Alstonia scholaris. Nat Prod Res 1–5
Govaerts R, Leeuwenberg A (2016) World checklist of apocynaceae. Facilitated by the Royal
Botanic Gardens, Kew. In: Publ. Internet; http//wcsp.science.kew.org/ Retrieved
Guangrong Z, Li J, Chengxun S (2016a) A kind of cough-relieving compound preparation and
preparation method thereof, CN106890209A
Guangrong Z, Li J, Chengxun S (2016b) Compound longxuejie preparation and preparation
method thereof, CN106853148A
Gupta RS, Bhatnager AK, Joshi YC et al (2008) Suppression of fertility in male albino rats
following a-Amyrin acetate administration. Pharm Biol 42:98–104
Hirasawa Y, Arai H, Zaima K et al (2009) Alstiphyllanines A-D, indole alkaloids from Alstonia
macrophylla. J Nat Prod 72:304–307
Hou Y, Cao X, Dong L et al (2012a) Bioactivity-based liquid chromatography-coupled
electrospray ionization tandem ion trap/time of flight mass spectrometry for b 2 AR agonist
identification in alkaloidal extract of Alstonia scholaris. J Chromatogr A 1227:203–209
Hou Y, Cao X, Wang L et al (2012b) Microfractionation bioactivity-based ultra performance
liquid chromatography/quadrupole time-of-flight mass spectrometry for the identification of
nuclear factor-jB inhibitors and b 2 adrenergic receptor agonists in an alkaloidal extract of the
folk herb A. schoalris. J Chromatogr B 908:98–104
Hall JL, Belensky S (2005) Flavopereirine and alstonine combinations in the treatment and
prevention of prostate cancer. CN101027070A
Jagetia GC, Baliga MS, Venkatesh P et al (2005) Evaluation of the cytotoxic effect of the
monoterpene indole alkaloid echitamine in-vitro and in tumour-bearing mice. J Pharm
Pharmacol 57:1213–1219
Jøker D (2000) SEED LEAFLET-Alstonia scholaris (L.) R.Br 9
Jong AN, Bhandari MR, Kawabata J (2007) a-Glucosidase inhibitors from Devil tree (Alstonia
scholaris). Food Chem 103:1319–1323
Jun L (2011) Sugar-free alstonia-leaf granules and preparation method thereof. CN102600220A
Keawpradub N, Houghton PJ, Burke P, Eno Amooguaye EA (1998) The cytotoxicity of alkaloids
from Alstonia macrophylla in some cancer cell lines. J Pharm Pharmacol 50:229
Keawpradub N, Kirby GC, Steele JCP, Houghton PJ (1999) Antiplasmodial activity of extracts
and alkaloids of three alstonia species from Thailand. Planta Med 65:690–694
Keawpradub N, Houghton PJ (1997) Indole alkaloids from Alstonia macrophylla. Phytochemistry
46:757–762
530
A. T. Paul et al.
52:187
Feng T, Cai XH, Zhao PJ et al (2009) Monoterpenoid indole alkaloids from the bark of Alstonia
scholaris. Planta Med 75:1537–1541
Ferry SJW 2009 onwards Plants of Southeast Asia. http://www.asianplant.net/Apocynaceae/
Alstonia_pneumatophora.htm. Accessed 25 Apr 2020
Flora Malesiana DataPortal.Flora Malesiana DataPortal. Alstonia actinophylla. https://portal.
cybertaxonomy.org/flora-malesiana/node/14642#?c=&m=&s=&cv=&manifest=http%3A%2F
%2Fapi.cybertaxonomy.org%2Fflora-malesiana%2Fiiif%2Ftaxon%2F784e82b8-b41a-4656-90
a6-fd15430e7906%2Fmanifest%3Ftype%3DImageFile%26relationships%3D%26relationshipsIn.
Accessed 25 Apr 2020
Flora Malesiana DataPortal. Alstonia actinophylla. http://portal.cybertaxonomy.org/flora-malesiana/
node/14642#?c=&m=&s=&cv=&manifest=http%3A%2F%2Fapi.cybertaxonomy.org%2Ffloramalesiana%2Fiiif%2Ftaxon%2F784e82b8-b41a-4656-90a6-fd15430e7906%2Fmanifest%3Ftype
%3DImageFile%26relationships%3D%26relationshipsIn. Accessed 25 Apr 2020
NParks Flora & Fauna Web (2019) Alstonia angustiloba Miq. https://www.nparks.gov.sg/
florafaunaweb/flora/2/7/2704. Accessed 25 Apr 2020
George G, Dileep PS, Paul AT (2019) Development and validation of a new HPTLC-HRMS
method for the quantification of a potent pancreatic lipase inhibitory lead Echitamine from
Alstonia scholaris. Nat Prod Res 1–5
Govaerts R, Leeuwenberg A (2016) World checklist of apocynaceae. Facilitated by the Royal
Botanic Gardens, Kew. In: Publ. Internet; http//wcsp.science.kew.org/ Retrieved
Guangrong Z, Li J, Chengxun S (2016a) A kind of cough-relieving compound preparation and
preparation method thereof, CN106890209A
Guangrong Z, Li J, Chengxun S (2016b) Compound longxuejie preparation and preparation
method thereof, CN106853148A
Gupta RS, Bhatnager AK, Joshi YC et al (2008) Suppression of fertility in male albino rats
following a-Amyrin acetate administration. Pharm Biol 42:98–104
Hirasawa Y, Arai H, Zaima K et al (2009) Alstiphyllanines A-D, indole alkaloids from Alstonia
macrophylla. J Nat Prod 72:304–307
Hou Y, Cao X, Dong L et al (2012a) Bioactivity-based liquid chromatography-coupled
electrospray ionization tandem ion trap/time of flight mass spectrometry for b 2 AR agonist
identification in alkaloidal extract of Alstonia scholaris. J Chromatogr A 1227:203–209
Hou Y, Cao X, Wang L et al (2012b) Microfractionation bioactivity-based ultra performance
liquid chromatography/quadrupole time-of-flight mass spectrometry for the identification of
nuclear factor-jB inhibitors and b 2 adrenergic receptor agonists in an alkaloidal extract of the
folk herb A. schoalris. J Chromatogr B 908:98–104
Hall JL, Belensky S (2005) Flavopereirine and alstonine combinations in the treatment and
prevention of prostate cancer. CN101027070A
Jagetia GC, Baliga MS, Venkatesh P et al (2005) Evaluation of the cytotoxic effect of the
monoterpene indole alkaloid echitamine in-vitro and in tumour-bearing mice. J Pharm
Pharmacol 57:1213–1219
Jøker D (2000) SEED LEAFLET-Alstonia scholaris (L.) R.Br 9
Jong AN, Bhandari MR, Kawabata J (2007) a-Glucosidase inhibitors from Devil tree (Alstonia
scholaris). Food Chem 103:1319–1323
Jun L (2011) Sugar-free alstonia-leaf granules and preparation method thereof. CN102600220A
Keawpradub N, Houghton PJ, Burke P, Eno Amooguaye EA (1998) The cytotoxicity of alkaloids
from Alstonia macrophylla in some cancer cell lines. J Pharm Pharmacol 50:229
Keawpradub N, Kirby GC, Steele JCP, Houghton PJ (1999) Antiplasmodial activity of extracts
and alkaloids of three alstonia species from Thailand. Planta Med 65:690–694
Keawpradub N, Houghton PJ (1997) Indole alkaloids from Alstonia macrophylla. Phytochemistry
46:757–762
530
A. T. Paul et al.