Dr. Charu Lata Mahanta                                                                                       


Designation    : Professor & Dean (SoE), Tezpur University


Address         : Department of Food Engineering & Technology                   

                        School of Engineering, Tezpur University,

                        Tezpur-784028, Assam

E.mail             : charu@tezu.ernet.in

Ph No            : +91-3712-275702

Fax No          : +91-3712-267005/6

Mobile No     : +91-9435092658                                                                                       


Academic qualification




Ph.D. in Food Science

Central Food Technological Research Institute, Mysore, India


M.Sc. in Food & Nutrition

G.B. Pant University of Agriculture & Technology, Pantnagar, India



Research Fellowship  :  

1.      Indian Council of Agricultural Research Junior Research Fellowship for Master Degree (1980-82)

2.      Indian Council of Agricultural Research Senior Research Fellowship for Ph.D. Degree (1984-88)


Professional records (Starting with the present or most recent job)

Position occupied


Name of Institution/University

From                        To

1.    Dean (R&D)

19-07-12              continuing

Tezpur University, Tezpur

2.    Head, Dept. of FET

01-05-06                31-12-09

Tezpur University, Tezpur

3.    Professor

08-03-06              continuing

Tezpur University, Tezpur

4.    Associate Professor

29-12-97                07-03-06

Assam Agricultural University, Jorhat

5.    Assistant Professor

20-04-89                28-12-97

Assam Agricultural University, Jorhat


Administrative responsibilities handled


*  Dean R&D of Tezpur University from 2012 to 2016.

*  Director, Quality Control Laboratory, Department of Food Engineering and Technology from 2014.

*  Independent Director of Board of Directors of North-Eastern Regional Agricultural Marketing Co-operation Ltd., Guwahati.

*  In-charge Controller of Examinations, Tezpur University from 31/01/2013 to 19/2/2013.

*   Established the Department of Food Processing Technology of Tezpur University and was its first head (2006-2009) and started M.Sc. programme.

*  Chairperson of Board of Studies of Department of Food Processing Technology, Tezpur University from 2006-2009.

*  Chairperson of Tezpur University Entrance Examination Committee (TUEE) for 2012.

*  Chairperson of Tezpur University Animal Ethical Committee from 2012 to till date.

*  Chairperson of Tezpur University Ethical Committee from 2012 to till date.

*  Chairperson of Guest House Management Committee of Tezpur University.

*  Chairperson of Canteen Committee of Tezpur University from 2011 till date.

*  Chairperson of the Committee constituted for selection of awardees for Best Performance Award for Group C employees.

*  Member of Academic Council, Tezpur University from 2006 till date.

*  Member of Research Committee, Tezpur University

*  Member of the Core Committee constituted for Academic Course Development for Jonai Campus of Tezpur University.

*  Member of Examination Committee of Tezpur University from 2010-2012.

*  Member of Tezpur University Animal Ethical Committee from 2010-2012.

*  Member of Space Allocation Committee of Tezpur University from 2010-2013.

*  Member of Board of Studies of Department of Food Engineering and Technology, Tezpur University from 2012 till date.

*  Member of DAC of the Department of Molecular Biology and Biotechnology.

*  Member of Doctoral Research Committees of several students of the Department of Food Engineering and Technology and Department of Molecular Biology and 

    Biotechnology, Tezpur University.

*  Member of the Internal Quality Assurance Cell of Tezpur University from 2008-2011.

*  Member of Medical Rules Committee of Tezpur University from 2011-2013.

*  Member of Health Centre Management Committee of Tezpur University from 2013 to till date.

*  Member of the Official Language Implementation Committee of Tezpur University from 2013 to till date.

*  Member of the Local Organising Committee for the 7th Convention on Promotion of Library Automation and Networking in North Eastern Region (PLANNER)-2010.

*  Submitted proposal to Tezpur University with detail course structure and syllabus for start of B.Tech. programme in Food Engineering and Technology.

*  Submitted proposal to the Ministry of Food Processing Industries, New Delhi for grant of fund to establish Quality Control laboratory at Tezpur University.

*  President of Tezpur Chapter of Association of Food Scientists and Technologists for 2014.




National level assignments


Member of the UGC Expert Committee to review the performance of Karunya Institute of Technology and Sciences, Coimbatore as deemed to be University in 2008 and 2010.

  Member of the UGC Expert Committee to National Institute of Food Technology Entrepreneurship and Management (NIFTEM) to consider proposal for deemed to be University status under de-novo category.

Member of the UGC selection committee for award of Junior Research Fellowships in Engineering and Techhnology.

Member Co-ordinator of the Peer Team for assessment and accreditation by NAAC of Guru Nanak Institute of Technology, Kolkata.


Resource person


Assessor for assessment and accreditation of educational institutes by National Assessment and Accreditation Council.

Examiner of several Ph.D. thesis of Mysore University.

Appointed paper setter by Assam Agricultural University, Jorhat and Central Agricultural University, Tura.

Examiner of M.Sc. thesis of several students of Assam Agricultural University, Jorhat.

Examiner of M.Sc. thesis of several students of Assam Agricultural University, Jorhat.

External examiner for comprehensive viva-voce for Ph.D. degree under course credit system of Assam Agricultural University, Jorhat

Appointed as subject expert for selection of Assistant Professors by Assam Agricultural University, Jorhat and Central Institute of Technology, Kokrajhar.

Appointed as External examiner of M.Sc. thesis of several students of Biotechnology by Gauhati University.

Reviewer of several international peer reviewed journals

Resource person for training programme of Designated Officers organized by Food Safety and Standards Authority of India at Guwahati, Assam on 14 September 2011.

Resource person for training programme of Food Safety Officers organized by Food Safety and Standards Authority of India at Aizawl, Mizoram on 18 March 2013.

Nominated to present the innovative research conducted at Tezpur University for registration of the University with the Ministry of Micro, Small & medium Enterprises, GOI.


Research publications



1. Manashi Das Purkayastha, Anuj Kumar Borah, Sougata Saha, Ajay Kumar Manhar,Manabendra Mandal, Charu Lata Mahanta. Effect of maleylation on physicochemical and functional properties of rapeseed protein isolate. Journal of Food Science and Technology, DOI: 10.1007/s13197-016-2197-9


2.      Saikia, S. & Mahanta, C.L. In Vitro Physicochemical, Phytochemical and Functional Properties of Fiber Rich Fractions Derived from By-Products of Six Fruits.

      Journal of Food Science and Technology DOI: 10.1007/s13197-015-2120-9


3.      Mishra,P.,  Dutta, N, and  Mahanta, C.L. (2015) Partial extraction and identification of phenolics in Amla (Emblica officinalis) seed coat powder. Journal of Food Science and Technology. 52(11): 6990-7001.


4.      Borah, A, Mahanta, C.L.  and Kalita, D. (2016). Optimization of process parameters for extrusion cooking of low amylose rice flour blended with seeded banana and carambola pomace for development of minerals and fiber rich breakfast cereal. Journal of Food Science and Technology, 53(1); 221-232.


5.     Saikia, S., Mahnot, N.K., and Mahanta, C.L. (2016). Phytochemical content and antioxidant activities of thirteen fruits of Assam, India. Food Bioscience,13:15-20.


6.      Saikia, S., Mahnot, N.K., & Mahanta, C.L. (2015). Effect of spray drying of four fruit juices on physicochemical, phytochemical and antioxidant properties. Journal of Food Processing and Preservation, 39: 1656-1664.DOI: 10.1111/jfpp.12395


7.     Das, B., Chattopadhyay,P ., Maji, S, Aadesh Upadhyay,A .,  Das Purkayastha, M,  Mahanta, C.L.,  Maity, T K  and Karak, N. (2015) Bio-functionalized MWCNT/hyperbranched polyurethane bionanocomposite for bone regeneration. Biomedical Materials DOI:10.1088/ 1748-6041/10/2/025011


8.     Dutta, H., Mahanta, C.L., Singh, V.,  Das, B .B. and  Rahman, N. (2016). Physical,  physicochemical and nutritional characteristics of Bhoja chaul, a traditional ready-to-eat dry heat parboiled rice product processed by an improvised soaking technique. Food Chemistry, 191: 152-162.


9.      Saikia, S., Mahnot, N.K., and Mahanta, C.L. (2015) A comparative study on the effect of conventional thermal pasteurisation, microwave and ultrasound treatments on the antioxidant activity of five fruit juices. Food Science and Technology International. 10.1177/1082013215596466


10. Dutta, H., Mahanta, C.L., and Singh, V. (2015).Changes in the properties of rice varieties with different amylose content on dry heat parboiling. Journal of Cereal Science, 65:227-235.


11.  Saikia, S., Mahnot, N.K., and Mahanta, C.L. (2015). Optimisation of phenolic extraction from Averrhoa carambola pomace by response surface methodology and its microencapsulation by spray and freeze drying. Food Chemistry,171:144-152.


12.  Mahnot, N.K., Kalita, D., Mahanta, C.L., Chaudhri, M.K. (2014). Effect of additives on the quality of tender coconut water processed by nonthermal two stage microfiltration technique. LWT-Food Science and Technology, 59(2): 1191-1195.


13.  Bhattacharjya, B., Dutta, H., Patwari, K., Mahanta,C.L. (2015). Properties of annealed jackfruit (artocarpus heterophyllus lam.) seed starch. Acta Alimentaria- An International Journal of Food Science 44(4):501-510. DOI 10.556/066.2015.44.0021.


14.  Mishra, P., Rai, G.K., Mahanta, C.L. Process standardization for development of spray dried lemon juice powder and optimization of amla-lemon based RTS (ready to serve drink) using Response Surface Methodology. Journal of Food Processing and Preservation DOI: 10.1111/jfpp.12338


15.  Das Purkayastha M., Barthakur A. & Mahanta C.L. (2014). Production of vegetable protein from rapeseed press-cake using response surface methodology, weighted multivariate index and desirability function: a way to handle correlated multiple responses International Journal of Food Properties. 18(6): 1248-1271. 


16.  Das Purkayastha, M., Gogoi, J., Kalita, D., Chattopadhyay, P., Nakhru, K.S., Goyary, D., and Mahanta,C.L. (2014). Physicochemical and functional properties of rapeseed protein isolate: influence of antinutrients removal with acidified organic solvents from rapeseed meal, Journal of Agricultural and Food Chemistry, 62 (31): 7903-7914.


17.  Das Purkayastha, M. and Mahanta, C.L. (2015). Statistically designed optimal process conditions for recuperation of protein from rapeseed meal. Journal of Food Science and Technology. 52(6): 3203-3218.


18.  Das Purkayastha, M., Dutta, N., Kalita, D. and Mahanta, C.L. (2014). Exploratory Analysis for Characterizationof Solvent-Treated Products (Meal and Extract) from Rapeseed Press-Cake:Preliminary Investigation Using Principal Component Analysis, Waste Biomass Valorization, 5(5): 835-846.


19.  Mishra, P , Mishra, S., Mahanta, C.L. (2014). Effect of maltodextrin concentration and inlet temperature during spray drying on physicochemical and antioxidant properties of amla (Emblica officinalis) juice powder. Food and Bioproducts Processing 92(3):252-258.


20. Dutta, H. and Mahanta, C.L.  (2014). Traditional parboiled rice-based products revisited: Current status and future research challenged. Rice Science. 21(4): 187-200.


21.  Mishra, P., Mahanta, C.L. (2014). Comparative Analysis of Functional and Nutritive Values of Amla (Emblica officinalis) Fruit, Seed and Seed Coat Powder. American Journal of Food Technology, 9: 151-161.


22.  Das Purkayastha,M.,  Manhar,A.K., Das,V.K. , Borah,A., Mandal, M., Thakur,A.J. and Mahanta,C.L. (2014). Antioxidative, Hemocompatible, Fluorescent Carbon Nanodots from an "End-of-Pipe" Agricultural Waste: Exploring Its New Horizon in the Food-Packaging Domain. Journal of Agricultural and Food Chemistry, 62: 4509−4520.


23.  Paul, S.K., Dutta,H., Mahanta, C.L. and Prasanna, G.V. (2014). Process standardization, characterization and storage study of a sweet. International Food Research Journal 21(3): 1113-1120.


24.  Dutta, H. and Mahanta, C.L.  (2014) Laboratory Process Development and Physicochemical Characterization of a Low Amylose and Hydrothermally Treated Ready-to-Eat Rice Product Requiring No Cooking. Food and Bioprocess Technology., 7(1): 212-223 (Springer).


25.  Kalita D., Kaushik N. and Mahanta, C.L. (2014) Physicochemical, morphological, thermal and IR spectral changes in the properties of waxy rice starch modified with vinyl acetate, Journal of Food Science and Technology. 51(10): 2790-2796.


26.  Das Purkayastha,M.,  Das, S.,  Manhar,A.K.,  Deka, D., Mandal, M., and  Mahanta, C.L. (2013) Removing antinutrients from rapeseed press-cake and their benevolent role in waste cooking oil-derived biodiesel: conjoining the valorization of two disparate industrial wastes. Journal of Agricultural and Food Chemistry, 61:10746-10756 (ACS Publications)


27.  Das Purkayastha, M, Nath, A., Deka, B.C. and Mahanta, C.L. (2013). Thin layer drying of tomato slices.  Journal of Food Science and Technology 50.4: 642-653.


28.  Saikia, S and Mahanta, C.L.(2013) Effect of steaming, boiling and microwave cooking on the total phenolics, flavonoids and antioxidant properties of different vegetables of Assam, India. International Journal of Food and Nutrition Sciences. 2:47-53


29.  Hazarika,E.B. Borah,A., and Mahanta C.L. (2013) Optimisation of extrusion cooking conditions and characterization of rice (Oryza sativa)- sweet potato (Ipomoea batatas) and rice-yam (Dioscorea alata) based RTE products. Agricultural Sciences 4:12-22


30.  Roy, J.K. Borah, A., Mahanta, C.L., Mukherjee, A.K. (2013) Cloning and overexpression of raw starch digesting α-amylase gene from Bacillus subtilis strain AS01a in Escherichia coli and application of the purified recombinant α-amylase (AmyBS-I) in raw starch digestion and baking industry. Journal of Molecular Catalysis B: Enzymatic  97: 118-129(Elsevier)


31.  Balasubramanian,S., Borah, A. and Mahanta, C.L. (2012) Rheological and nutritional properties of legumes incorporated corn extrudates. International Food Research Journal 19 (3), 971-975


32.  Dutta, H. and Mahanta, C.L. (2012) Effect of hydrothermal treatment varying in time and pressure on the properties of the parboiled rices with different amylose content. Food Research International. 49: 655-663


33.   Das, D. K Dutta, H. and Mahanta, C.L. (2012) Development of a rice starch-based coating with antioxidant and microbe-barrier propertiesand study of its effect on tomatoes stored at room temperature, LWT - Food Science and Technology.50:272-278


34.  Das Purakayastha, M., Kalita, D., Mahnot, N.K., Mahanta, C.L., Mandal, M., and  Chaudhuri, M.K.(2012) Effect of L-ascorbic acid addition on the quality attributes of micro-filtered coconut water stored at 4 oC. Innovative Food Science & Emerging Technologies. 16, 2012, 69-79


35.  Saikia, S., Dutta, H., Saikia, D and Mahanta, C.L. (2012) Quality characterisation and estimation of phytochemicals content and antioxidant capacity of aromatic pigmented and non-pigmented rice. Food Research International. 46: 334-340


36.  Das Purakayastha, M., Kalita, D., Das,V.K., , Mahanta, C.L., Thakur, A.J., and  Chaudhuri, M.K. (2012) Effect of L-ascorbic acid addition on micro-filtered coconut water: Preliminary quality prediction study using 1H-NMR, FTIR and GC-MS. Innovative Food Science & Emerging Technologies 13; 184-199 


37.  Konwarh. R, Pramanik, S, Kalita, D, Mahanta, C. L., Karak. N. (2012) Ultrasonication-A complementary 'green chemistry' tool to biocatalysis: A laboratory-scale study of lycopene extraction. Ultrasonics Sonochemistry 19: 292-299


38.  Dutta, H, Paul, S.K., Kalita,D., and Mahanta, C.L. (2011) Effect of acid concentration and treatment time on acid-alcohol modified jackfruit seed starch properties. Food Chemistry 128 :284-291 


39.  Konwarh, R. Kalita, D., Mahanta, C.L., Mandal, M., and Karak, N. (2010). Magnetically recyclable, antimicrobial, and catalytically enhanced polymer-assisted "green' nanosystem-immobilised Aspergillus niger amyloglucosidase. Applied Microbiol Biotechnol, 87:1983-1992


40.  Mahanta, C.L. and Bhattacharya, K.R. (2010). Relationship of starch changes to puffing expansion of parboiled rice.  Journal of Food Science and Technology. 47: 182-187.


41.  Mahanta, C.L. and Goswami, R.G. (2002).  Optimization of processing conditions for cottage scale production of Hurum. Journal of Food Science and Technology  39(1): 87-90


42.  Mishra, A . Goswami, R.G. and Mahanta, C.L. (2000).  Identifying the essential steps and process variables to make Hurum. Journal of Food Science and Technology  37(5): 455-45


43.  Mahanta, C.L. and Bhattacharya, K.R. (1991).  Dry-heat parboiled rice- a rice for the rural poor.  Recent Advances in Nutriology  3: 143-145 


44.  Mahanta, C.L. Ali, S.Z. Bhattacharya, K.R. and Mukherjee, P.S. (1989). Nature of starch crystallinity in parboiled rice.  Starke/Starch 41(5): 171-176 (Wiley)


45.  Mahanta, C.L. and Bhattacharya, K.R. (1989).  Thermal degradation of starch in parboiled rice.  Starke/Starch  41(3): 91-94 (Wiley)






Students supervised


Post Doc: Dr. Md. Abdul Alim from Bangladesh under JNCASR-CICS Fellowship programme



Degree awarded-5



  • M.Sc/M.Tech.:

M.Sc/M.Tech.: 40



Project title



Funding agency

Total cost (in lakhs)


Physicochemical basis for the puffing quality of the waxy rices of Assam

Assam Agricultural University, Jorhat

3 1/2 years

(19-12-96    to


Indian Council of Agricultural Research, New Delhi




Quality improvement of two traditional rice products of Assam namely, Bhaja chawl and Sandahguri


Assam Agricultural University, Jorhat

3 years




Ministry of Food Processing Industries, New Delhi




Antioxidant capacities of variously processed fruits and vegetables of Assam


Tezpur University

17-06-2010 to 16-6-2013

3 years





Development of health promoting extruded RTE breakfast cereal  incorporating choukua rice and bhimkol banana of Assam along with carambola pomace

Tezpur University

05-04-2011 to 04-04-2013

2 years

Ministry of Food Processing Industries, New Delhi




Characterization of starch properties in traditional rice products of Assam and development of a small scale processing unit for the products


Tezpur University

22-08-2011to 21-02-2014

2 1/2 years





Development of continuous wet cum dry grinder for grinding waxy rice for use in the state of Assam (IDP/IND/16/2012)

CFTRI, Mysore


Tezpur University

12-02-2013 to 11-02-2012

2 years


CFTRI (27.28)


Tezpur University (15.12)


Design and development of Vacuum Frying System for the production of healthy snack products (IDP/IND/17/2012)

CFTRI, Mysore


Tezpur University

7-11-2012  to  6-11-2014

 2 years


CFTRI (24.96)


Tezpur University (10.00)


Characterisation of technofunctional and biofunctional properties of napin protein hydrolysates of rapeseed meal


Tezpur University

17/11/2013 to 16/11/2015

Defence Research Laboratory, Tezpur






    • -3

    • Gu

Research projects



Scientific presentations

Delivered an invited talk on 'Achieving food and nutrition security through local self government' at National Institute of Public Cooperation

    and Child Development , Guwahati on 22 March 2007.


 Delivered an invited talk on 'Frontier technology of identified thrust crops of high value' during the seminar on Frontier Technology in Horticulture:

     production and Post harvest Management held during the National Horti-Expo 2009, Assam at Guwahati from 10-14 February 2009.


Delivered an invited talk on 'Scientific method of food and agro processing' at the workshop on "Enterprise Development in Food Processing Sector"

    organized by Indian Chambers of Commerce (ICC) and Ministry of Micro, Small and Medium Enterprise (MSME), GoI, September 7-8, 2009 at Guwahati.


Delivered an invited talk on 'Food security' at National Institute of Public Cooperation and Child Development, Guwahati on 5 September 2012.


Delivered an invited talk on 'Resources in NE and Governments initiatives in Food Processing' in the IICPT-NIFTEM Seminar cum Workshop on Career

     and Business Prospects in Food Processing held on February22, 2012 at District Library Auditorium, Tezpur, Assam


Resource person for training programme of Food Safety Officers organized by Food Safety and Standards Authority of India at Aizawl, Mizoram on 18 March 2013.


Presented a paper at the World Congress on Engineering and Technology (CET 2013) held at Sanya, China from 25th to 27th October, 2013.


Invited as a speaker at the International Conference on 'Food processing and Development of backward regions: developing a road map with special reference

    to eastern U.P. from 27th -28th December 2012 organised by University of Allahabad and presented a paper entitled 'Health benefitting properties of foods consumed in the North East'.


Invited as a speaker at the 7th International Food Convention on the theme "NSuRE Healthy Foods" held at CSIR-CFTRI, Mysore between 18th and

    21st  December 2013 and presented a paper on 'Functional ingredients in processed foods'.



Seminars organized


Organising Secretary of the National Seminar on 'Role of bioactive compounds in foods on human health' at Tezpur University from 14-16 November 2011.

Local Coordinator for organizing DST sponsored 'Cluster of Projects Meeting on Food Processing Instrumentation with Special reference to NE Region' from 13-14 October 2011.

*  Chairperson of the committee for organization of Colloquium on Contemporary Issues in Science held at Tezpur University on 21 January 2012.


Extension activities


Delivered a talk on 'National education policy and scenario of higher education in India' to celebrate National Education Day on 11 November 2011.

Nominated by Tezpur University to participate in the Indo-US Science & Technology Forum on 'Women in Science' organized in partnership with DST on 10 December 2012.

Invited as Chief Guest and judge for School level Social Science Exhibition held at Kendriya Vidyalaya Central University Tezpur on 27 August 2013.

Chief guest at the International Women's  Day celebrations at CSIR-North East Institute of Science & Technology, Jorhat on 10 May 2014.


  Membership of Societies


  *  Life member of

a. Association of Food Scientists of India

b. Indian Society of Agricultural Biochemists

c. Nutrition Society of India