Mohammad Imtiyaj Khan

Mohammad Imtiyaj Khan

Department of Biotechnology
Gauhati University
Guwahati 781 014, Assam, India.

Phone : +91-98441-62330


  • Biochemistry and molecular biology of plant pigments. 
  • Nutritional biochemistry. 
  • Biotransformation of plant secondary metabolites for enhancing bioavailability.

  1. Khan, M. I. 2016. Plant betalains: Safety, antioxidant activity, clinical efficacy, and bioavailability. Compr.   Rev. Food Sci. Food Safety, 15, 316-330. 
  2. Khan, M. I. 2016. Stabilization of betalains: A review. Food Chem. 197, 1280-1285. 
  3. Mohammad Imtiyaj Khan, Avinash Kumar and Parvatam Giridhar. 2016. Betalains and antioxidant enzymes expression during development and abiotic stress in Rivina humilis L. berries. Turk. J. Bot., 40, 28-36.
  4. Mohammad Imtiyaj Khan, P. Giridhar. 2015. Plant betalains: chemistry and biochemistry. Phytochemistry, 117, 267-295. 
  5. Mohammad Imtiyaj Khan, P.S.C. Sri Harsha, A.S. Chauhan, S.V.N. Vijayendra, M.R. Asha and P. Giridhar. 2015. Betalains rich Rivina humilis L. berry extract as natural colorant in product (fruit spread and RTS beverage) development. J. Food Sci. Technol. 52(8), 1808-1813
  6. Mohammad Imtiyaj Khan, P. Giridhar. 2014. Enhanced chemical stability, chromatic properties and regeneration of betalains in Rivina humilis L. berry juice. LWT- Food Sci. Technol. 58, 649-657. 
  7. Mohammad Imtiyaj Khan and P. Giridhar. 2014. The berries of Santalum album L. as a new source of cyanidin-3-glucoside and chemical profiling during different stages of berry development. P. Natl. A. Sci. India B. Sect. Biol. Sci. 84, 689-694. 
  8. P.S.C. Sri Harsha, Mohammad Imtiyaj Khan, P. Prabhakar, and P. Giridhar. 2013Cyanidin-3-glucoside, nutritionally important constituents and in vitro antioxidant activities of Santalum album L. berries. Food Res. Int., 50, 275-281. 
  9. P.S.C. Sri Harsha, Mohammad Imtiyaj Khan, P. Giridhar and G.A. Ravishankar. 2012In vitro propagation of Rivina humilis L. Through proliferation of axillary shoots and shoot tips of mature plants. Indian J. Biotechnol. 11, 481-485. 
  10. Sakina Khatoon, Mohammad Imtiyaj Khan, Jeyarani T. 2012. Enzymatic interesterification of palm and coconut stearin blends.  Int. J. Food Sci. Technol. 47, 2259-2265. 
  11. Mohammad Imtiyaj Khan, P.S.C. Sri Harsha, P. Giridhar and G.A. Ravishankar. 2012. Pigment identification, nutritional composition, bioactivity, and in vitro cancer cell cytotoxicity of Rivina humilis L. Berries, potential source of betalains. LWT- Food Sci. Technol. 47 (2), 315-323. 
  12. Mohammad Imtiyaj Khan and P. Giridhar. 2011. Dietary antioxidants: the insurer of health. Everyman’s Science, Oct-Nov 2011, XLVI, No. 4, 214-218
  13. Mohammad Imtiyaj Khan, K. M. Denny Joseph, Muralidhara, H. P. Ramesh, P. Giridhar and G. A. Ravishankar.  2011. Acute, subacute and subchronic safety assessment of betalains rich Rivina humilis L. berry juice in rats. Food Chem. Toxicol. 49 (12), 3154-3157. 
  14. Mohammad Imtiyaj Khan, P.S.C. Sri Harsha, P. Giridhar and G.A. Ravishankar. 2011. Berberine and lycopene profiling during the ontogeny of Tinospora cordifolia (Willd.) Miers ex Hook. f. & Thoms fruit. Curr. Sci., 100 (8), 1225-1231. 
  15.  Mohammad Imtiyaj Khan, P.S.C. Sri Harsha, P. Giridhar and G.A. Ravishankar. 2011. Pigment identiļ¬cation, antioxidant activity, and nutrient composition of Tinospora cordifolia (Willd.) Miers ex Hook. f. & Thoms fruit. Int. J. Food Sci. Nutr., 62 (3), 239-249. 
  16. Mohammad Imtiyaj Khan, Asha M.R., Bhat K.K., Sakina Khatoon. 2011. Studies on chemical and sensory parameters of coconut oil and its olein blends with sesame oil and palmolein during wheat flour-based product frying. J. Food Sci. Technol. 48 (2): 175-182. 
  17. Jeyarani T, Mohammad Imtiyaj Khan, Sakina Khatoon. 2009. Trans-free plastic shortenings from coconut stearin and palm stearin blends. Food Chem. 114, 270-275. 
  18. Mohammad Imtiyaj Khan, Asha M.R., Bhat K.K., Sakina Khatoon. 2008. Studies on quality of coconut oil blends after frying potato chips. J. Am. Oil Chem. Soc.  85, 1165-1172. 

  1. CSIR-UGC NET (Life Sciences; Roll No. 300730) qualified on 25.04.2014.
  2. CSIR Postdoctoral Research Associateship 2014, independent fellowship, tenable at CSIR-CFTRI, Mysore, awarded by Council of Scientific and Industrial Research, New Delhi, India.
  3. UGC-NET (Home Science; Roll No. 74120047) qualified on 25.03.2013.
  4. Best Business Plan award, 8th Technology Led Entrepreneurship Programme (TLEP), July 4–18, 2011, CSIR-IICT, Hyderabad conducted by HRDG CSIR (New Delhi) and IICT.
  5. Overseas Travel Award by DST (SR/ITS/00605/2010-11), New Delhi, India, to present a paper on Nutritional characterisation, and pigment profile of Rivina humilis L. fruit, a potential source of betalainspresented in 6th International Congress on Pigments in Food (July 20-24, 2010), Budapest, Hungary. 
  6. Third best poster award (Antioxidant activity of Rivina humilis L. fruit, a potential source of betalains) during ICFOST (Dec. 21-23, 2009), NIMHANS, Bangalore, India.
  7. CSIR Senior Research Fellowship 2009 for doctoral studies.
  8. Korean Government Scholarship for doctoral studies 2008 (I could not accept the offer for personal reasons).
  9. 9th Rank, M.Sc. Degree Exam 2006, Bharathiar University, Coimbatore, Tamil Nadu.
  10. Scholarship to study in Jawahar Navodaya Vidyalaya (1994), Sandumba Achouba, Kakching, Manipur.


1. BIT-1016 Biochemistry I 
2. BIT-2036 Biochemistry II 
3. BIT-3036 (ii) Food Biotechnology and Bioprocessing I
4. BIT-4016 (ii) Food Biotechnology and Bioprocessing II

1. BIT-1046 Biochemistry I
2. BIT-2046 Genetic Engineering and Biochemistry II 
3. BIT-4046 (ii) Food Biotechnology and Bioprocessing
  • Member (Alumni representative) of Board of Studies in Biochemistry, Department of Biochemistry, Kongu Arts and Science College (Autonomous, NAAC 'A' grade), Nanjanapuram, Erode 638107, Tamil Nadu.
  • Invited to attend and contribute positively in brainstorming meeting on Renewing the tradition of natural product research in India at CSIR-CDRI, Lucknow in January 21-23, 2016.
Ongoing Research Projects



Funding Agency



Principal Investigator


Investigations on metabolite profile and betalains biosynthesis in Basella spp, an edible leafy vegetable


DBT, Govt of India under DBT-Twinning programme 2015, Sanction order no. BT/PR16902/NER/95/422/2015. In collaboration with CSIR-CFTRI, Mysore and RVCE, Bengaluru.


April 2017- March 2020


Principal Investigator


Studies on betalain biosynthetic enzymes for in vitro pigment production and nanoencapsulaticn of betalains for nutraceutical applications


SERB, DST, Govt of India under Early Career Research Award scheme, Sanction order no. ECR/2016/000952


April 2017- March 2020


Principal Investigator


Studies on biosynthesis of betalains to develop in vitro bio-mimetic pigment production technology


UGC, New Delhi under Start-Up Grant scheme, Sanction order no. F.30-122/2015(BSR)


April 2016-December 2017

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