Extraction optimization of gallic acid, (+)-catechin, procyanidin-B2, (–)-epicatechin, (–)-epigallocatechin gallate, and (–)-epicatechin gallate: their simultaneous identification and quantification in Saraca asoca

Gupta, 2014, Therapeutic effects of acetone extract of Saraca asoca seeds on rats with adjuvant-induced arthritis via attenuating inflammatory responses, ISRN Rheumatol, 2014, 1, 10.1155/2014/959687

Sharma, 1995

Sharma, 2005

Pradhan, 2009, Saraca asoca (Ashoka): a review, J Chem Pharm Res, 1, 62

Chaterjee, 2006

Agarwal, 2011, Identification of novel anti-inflammatory agents from Ayurvedic medicine for prevention of chronic diseases: “reverse pharmacology” and “bedside to bench” approach, Curr Drug Targets, 12, 1595, 10.2174/138945011798109464

Do, 2014, Effect of extraction solvent on total phenol content, total flavonoid content, and antioxidant activity of Limnophila aromatica, J Food Drug Anal, 22, 296, 10.1016/j.jfda.2013.11.001

Hollman, 1999, Health effects and bioavailability of dietary flavonols, Free Rad Res, 31, S75, 10.1080/10715769900301351

Strack, 1993, The anthocyanins, 1

Mittal, 2013, Nontargeted identification of phenolic and other compounds of Saraca asoca by high performance liquid chromatography-positive electrospray ionization and quadrupole time-of-flight mass spectrometry, ISRN Pharma, 2013, 1, 10.1155/2013/293935

Saha, 2012, Phytoconstituents and HPTLC analysis in Saraca asoca (Roxb.) wilde, Int J Pharm Pharm Sci, 4, 96

Saha, 2013, High-performance thin-layer chromatographic analysis of antioxidants present in different parts of Saraca asoca (Roxb.) de wilde, J Pharm Res, 7, 798

Rathee, 2010, Quantitative estimation of (+)-catechin in stem bark of Saraca asoca Linn using HPTLC, Der PharmaChemica, 2, 306

Ketkar, 2014, Monitoring seasonal variation of epicatechin and gallic acid in the bark of Saraca asoca using reverse phase high performance liquid chromatography (RP-HPLC) method, J Ayurveda Integr Med, 6, 29

Gahlaut, 2012, Principal component and partial least square discriminate based analysis of methanol extracts of bark and re-generated bark of Saraca asoca, Int J Pharm Pharm Sci, 4, 331

Shirolkar, 2013, Quantitative analysis of catechins in Saraca asoca and correlation with antimicrobial activity, J Pharm Anal, 3, 421, 10.1016/j.jpha.2013.01.007

Ketkar, 2015, Determining seasonal changes in three major phenolic compounds from bark of Saraca asoca in comparison with local market sample using RP-HPLC analysis, Natl Acad Sci Lett, 38, 403, 10.1007/s40009-015-0382-4

Chattopadhyay, 2006, Identification and quantification of two biologically active polyisoprenylated benzophenones xanthochymol and isoxanthochymol in Garcinia species using liquid chromatography-tendem mass spectrometry, J Chromatogr B, 844, 67, 10.1016/j.jchromb.2006.07.045

Chen, 2014, Catechin content and the degree of its galloylation in oolong tea are inversely correlated with cultivation altitude, J Food Drug Anal, 22, 303, 10.1016/j.jfda.2013.12.001

ICH harmonised tripartite guideline, 2005, 1

Santagati, 2008, Simultaneous determination of catechins, rutin and gallic acid in Cistus species by HPLC with diode array detection, J Chromatogr Sci, 46, 150, 10.1093/chromsci/46.2.150

Liu, 2015, Relationship between gene expression and the accumulation of catechins during spring and autumn in tea plants (Camellia sinensis L.), Hort Res, 2, 1

Wu, 2015, A review on the analysis of ingredients with health care effects in health food in Taiwan, J Food Drug Anal, 23, 343, 10.1016/j.jfda.2015.03.007

Spadiene, 2014, Antioxidant effects of Camellia sinensis L. extract in patients with type 2 diabetes, J Food Drug Anal, 22, 505, 10.1016/j.jfda.2014.04.001

Kallithraka, 1995, Survey of solvents for the extraction of grape seed phenolics, Phytochem Anal, 6, 265, 10.1002/pca.2800060509