Dr. Ajai Prakash Gupta

Quality Control & Quality Assurance Division
CSIR - Indian Institute of Integrative Medicine,Canal Road, Jammu – 180001
Email: apgupta@iiim.ac.in

Positions Held  
Position Held Date Organization
Sr. Technical Officer 2002- Present CSIR-IIIM

Research

Method development for the identification and quantification of secondary metabolites using sophisticated instruments like LC-MS/MS, HPLC, HPTLC etc.



Publications
  • Mudududdla, R.; Jain, S. K.; Bharate,  J. B.; Gupta, A. P.; Singh, B.; Vishwakarma, R. A.; Bharate, S. B. ortho-Amidoalkylation of Phenols via Tandem One-Pot Approach Involving Oxazine Intermediate. J. Org. Chem. (2012), 77, 8821−8827.

  • Khan, I,; Pandotra, P.; Gupta, A. P.;  Sharma, R.; Gupta, B. D.; Dhar, J. K.;  Ram, G.; Bedi, Y. S.; Gupta,  S. RP-Thin layer chromatographic method for the quantification of three gingerol homolog’s of  ultrasonic-assisted  fresh  rhizome  extracts of  Zingiber officinale  Collected  from  North Western Himalayas. J. Separation Science (2010), 33, 558-563.

  • Sharma, N.; Sharma, U. K.; Gupta, A. P.; Sinha, A. K. Simultaneous determination of epicatechin, syringic  acid, quercetin-3-O-galactoside and quercitrin in the leaves of Rhodendron species by using a validated HPTLC method. J. of Food Composition and Analysis (2010), 23, 214-219.

  • Bhandari, P.; Kumar, N,; Singh, B.; Gupta, A. P.; Kaul, V. K.; Ahuja P. S. Stability-indicating LC-PDA method   for determination  of  picrosides  in  Hepato-protective  Indian  herbal  preparations  of Picrorhiza kurro.Chromatographia (2009), 69, 221-227.

  • Sharma, N.; Sharma, U.; Gupta, A. P.;  Devla,  K,;  Sinha,  A.  K.; Lal, B.; Ahuja, P.  S. Simultaneous densitometric determination  of  shikonin,  acetylshikonin  and  β-acetoxyisovalerylshikonin  in ultrasonic-assisted extracts of four Arnebia  species   using reversed-phase thin layer chromatography. J. of Separation Science (2009), 32, 3239-3245.

  • Jaitak, V.; Gupta, A. P.; Kaul, V.  K.; Ahuja, P. S. Validated  high  performance  thin  layer chromatography  method for  steviol  glycosides  in  S.  rebaoudiona.  J. of Pharmaceutical  & Biomedical Research (2008),  47,  790-794.

  • Chawla, R.; Arora, R;, Singh, S.; Sagar, R. K.; Sharma, R. K.; Kumar, R.; Sharma, A.; Gupta, M. L.; Singh, S.; Prasad, J.; Khan, H. A.; Swaroop, A.; Sinha, A. K.; Gupta, A. P.;  Tripathi, R. P.; Ahuja, P. S. Radio- protective and antioxidant activity of fractionated extracts of berries of Hippophae rhammnoides. J. of Medicinal Food (2007), 10(1), 101-109.

  • Kumar, N.; Singh, B.; Gupta, A. P.; Kaul, V. K. Lonijaposides, novel cerebrosides from Lonicera japonica”, Tetrahedron, (2006), 62, 4317-4322.

  • Singh,   N.   P.;   Gupta,   A.   P.; Sinha,   A.   K.; Ahuja,   P.  S. High   Performance   Thin  Layer Chromatography method for quantitative Determination of four major Anthraquinone derivatives in Rheum emodi.  J. of Chromatography A (2005), 1077, 202-206.

  • Kumar, N.; Singh, B.; Bhandari, P.; Gupta, A. P.; Uniyal, S. K.; Kaul, V. K. Biflavonoids from Lonicera japonica. Phytochemistry (2005), 66, 2740-2744.

Patents

  • Sharma, J. R., Lal, R. K., Gupta, A. P., Mishra, H. O., Pant, V., and Mohd. R., " Opiumless and alkaloid- free non-narcotic opium poppy (Papaver somniferum) variety "Sujata", issued May 4, 2004.(US Patent No. US6730838)

  • Gupta, A. P.; Singh, D. V.; Gupta, M. M.; Kumar, S. A process for extraction of stable green dye from Eclipta alba.( Application 234/DEL/1999 published 2005-06-03, filed 1999-02-12).

  • Sandal, I.; Bhattacharya, A.; Ravindranath, S. D.; Singh, B.; Kaul, V. K.; Saini, U.; Kumar, J. K.; Ahuja, P. S.; Gupta, A. P. Use of 2-Amino glutarimide (3-amino piperidine 2,6 dione) in promoting Agrobacterium   tumefacines  mediated   genetic   tranformation   of   recalcitrant   plants   and explants and a simple method of producing it,( File no.-0405NF2005/IN).