CTCRI - CENTRAL TUBER CROPS RESEARCH INSTITUTE

Number of Research papers : 62

• Joseph, A. N. Jyothi and Janardanan Sreekumar. 2024. Optimization of Synthesis of Cassava Starch Phosphates by Response Surface Methodology and Characterization of the Modified Starches, Starch/Stärke, 76(7-8): 2200241. DOI:10.1002/star.202200241.
• V.R. Vishnu, A. N. Jyothi and A. Abhishek. 2022. Co-pigmentation of sweet potato and greater yam anthocyanins with selected phenolic acids and its effect on in vitro antioxidant activity. Journal of Root Crops, 48(1&2), 69-76.
• Visalakshi, C., Anil, S.R., Sheela, M.N., Chintha, P., Shanavas, S., Harish, E.R., Jyothi, A.N. and Sreekumar, J. 2023. Genetic and multivariate analysis of processing and yield traits in sweet potato for varied end-uses. Current Science. 125(10): 1093-1098.
• Megha Madhavan, V.R. Vishnu, S. Shanavas and A.N. Jyothi. 2021. Phenolic content and in vitro bioactivities of Chinese Potato (Plectranthus rotundifolius) tuber extracts. Journal of Root Crops, 47(1&2):16-23.
• V. R. Vishnu, A. N. Jyothi, M. N. Sheela and J. Sreekumar. 2023. Identification of anthocyanins in a purple yam (Dioscorea alata) accession and their in vitro antiproliferative activity, Journal of Plant Biochemistry and Biotechnology, Published online on 17 February 2023. https://doi.org/10.1007/s13562-023-00828-2.
• S. S. Gourilekshmi, A. N. Jyothi and J. Sreekumar. Effect of cultivar difference and root growth stage on the thermal, rheological and in vitro digestibility properties of cassava starch. Starch/Stärke 2021, 73(3-4).
• C. Visalakshi, S. R. Anil, M. N. Sheela, V. Hegde, A. N. Jyothi, J. Sreekumar. 2021. Genetic variation for important processing traits and identification of potential parents for developing hybrid clones suitable for processing in sweet potato (Ipomoea batatas), South African Journal of Botany 141, 255-264.
• G. Suja, J. Sreekumar, G. Byju, A. N. Jyothi, S. S. Veena. 2021. Weed cloth, an option for integrated weed management for short‐duration cassava, Agronomy Journal 113(2), 1895-1908.
• S. S. Gourilekshmi, A. N. Jyothi and J. Sreekumar. Physicochemical and structural properties of starch from cassava roots differing in growing duration and ploidy level. Starch/Stärke, 2020,72 (11-12).
• Suja, G., Jyothi, A. N., Byju, G., Veena, S. S., Sreekumar, J., Indira, M. and Ravi, V. Organic management fosters yield, soil health and profit in dwarf white yam. Indian Journal of Horticulture 2020, 77(1), 140-148.
• S. Sunitha, James George, G. Suja, A. N. Jyothi and A. Rajalekshmi. 2020. Water smart technologies for irrigation water management of elephant foot yam in tropical zones of India. Journal of Water and Climate Change, 11 (4), 1495-1504.
• V. R. Vishnu, R. S. Renjith, A. Mukherjee, S. R. Anil, J. Sreekumar and A. N. Jyothi. 2019. Comparative study on the chemical structure and in vitro anti-proliferative activity of anthocyanins in purple root tubers and leaves of sweet potato (Ipomoea batatas). Journal of Agricultural and Food Chemistry, 67(9):2467-2475, DOI: 10.1021/acs.jafc.8b05473.
• R. Remya, A. N. Jyothi, J. Sreekumar. Effect of chemical modification with citric acid on the physicochemical properties and resistant starch formation in different starches. Carbohydrate Polymers, Volume 202, 15 December 2018, Pages 29-38.
• R. Remya, A. N. Jyothi, J. Sreekumar. Morphological, structural and digestibility properties of RS4 enriched octenyl succinylated sweet potato, banana and lentil starches, Food Hydrocolloids, Volume 82, September 2018, Pages 219-229.
• G. K. Athira, A. N. Jyothi and V.R. Vishnu. Water soluble octenyl succinylated cassava starch-curcumin nanoformulation with enhanced bioavailability and anticancer potential. Starch/Stärke 2018, Special Issue: Carbohydrate Polymer Composites,70 (7-8), 1700178.
• A. N. Jyothi, Swetha S Pillai, M. Aravind, Salma A. Salim, and Susan John K. Cassava starch-graft-poly(acrylonitrile) coated-urea fertilizer with sustained release and water retention properties. Advances in Polymer Technology, 37, 2018, 2687-2694. DOI: 10.1002/adv.21943.
• G. K. Athira and A. N. Jyothi. Evaluation of Cassava Starch Based Hydrogels for Sustained Release of Ampicillin, Journal of Root Crops, 43(1), 2017, 88-94.
• R. Remya, A. N Jyothi, J. Sreekumar.Comparative study of RS4 type resistant starches derived from cassava and potato starches via octenyl succinylation. Starch/Starke, 2017.69(7-8), 1600264. doi:10.1002/star.201600264. Special Issue: Starch in Health and Disease.
• R. Menon, G. Padmaja, A. N. Jyothi, V. Asha M. S. Sajeev. Gluten-free starch noodles from sweet potato with reduced starch digestibility and enhanced protein content. J. Food Sci. Technol. (September 2016) 53(9):3532–3542.
• G Suja, A. N. Jyothi and G Byju. Response of varieties of elephant foot yam (Amorphophallus paeoniifolius) to organic management. Indian Journal of Agricultural Sciences 86 (10): 1343–9, October 2016.
• S. B. Nair, A.N. Jyothi and M. S. Sajeev. Chitosan-konjac glucomannan-cassava starch-nanosilver composite films with moisture resistant and antimicrobial properties for food packaging applications. Starch/Starke, 2016, 68(1-2), 1600210:  Doi:10.1002/star.201600210.1-12. Special Issue: Starch‐Based Films and Reviews 2017.
• G. K. Athira and A. N. Jyothi. Cassava starch-poly(vinyl alcohol) nanocomposites for the controlled delivery of curcumin in cancer prevention and treatment. Starch/Starke, 2015, 67 (5-6), 549-558.
• Remya R. and A. N. Jyothi. A comparative study on the resistant starch content from different botanical sources in relation to their physicochemical properties. Journal of Root Crops, 2015, 41 (1), 37-47.
• G. K. Athira and A. N. Jyothi. Octenyl Succinate Cassava Starch as an Excipient for Controlled Release of Theophylline: Microwave-assisted Synthesis, Characterization and in vitro drug release studies. International Journal of Pharmaceutical Sciences and Research, 2015, 6(1), 200-211.
• G. K. Athira and A. N. Jyothi. 2014. Preparation and characterization of curcumin loaded cassava starch nanoparticles with improved cellular absorption. International Journal of Pharmacy and Pharmaceutical Sciences 6(10), 171-176.
• V. Asha, A. N. Jyothi, G. Padmaja, J. T. Sheriff and K. Jeevaratnam, 2014. Preparation and Characterization of a Low-calorie Cassava Pearl (Sago) from Physically Modified Cassava Starch. Trends in Carbohydrate Research 6 (3), 33-40.
• A. N. Jyothi and G. Suja. 2014. Enzymatic debranching of starch: A comparison between cassava and potato starches in relation to structure and resistant starch formation. Trends in Carbohydrate Research 6(1), 30-37.
• P. C. Parvathy and A. N. Jyothi. 2014. Rheological and thermal properties of saponified cassava starch-g-poly(acrylamide) superabsorbent polymers varying in grafting parameters and absorbency, Journal of Applied Polymer Science, 131(11),  2014. 40368, doi: 10.1002/app.40368. 1-11.
• P. C. Parvathy, A. N. Jyothi, K. Susan John and J. Sreekumar. 2014. Cassava Starch based Superabsorbent Polymer as Soil Conditioner: Impact on Soil Physicochemical and Biological Properties and Plant Growth, Clean- Soil Air Water, 42(11), 1610–1617.
• Soumya B. Nair and A. N. Jyothi. 2014. Cassava starch-graft-poly(methacrylamide) copolymers as flocculants and textile sizing agents. Journal of Applied Polymer Science,131(2), DOI: 10.1002/app.39810.
• Soumya B. Nair and A. N. Jyothi. 2013. Cassava starch–konjac glucomannan biodegradable blend films: In vitro study as a matrix for controlled drug delivery, Starch/Stärke 65(3-4), 273–284.  
• G. Suja and A. N. Jyothi. 2013. Swelling characteristics of starch-g-poly(acrylamide-co-sodium acrylate) semi-IPNs synthesized by suspension polymerization, Trends in Carbohydrate Research, 5(1), 20-32.
• M.S. Sajeev, J. Sreekumar, B. Vimala, S.N. Moorthy and A.N. Jyothi. 2012. Textural and Gelatinization Characteristics of White, Cream, and Orange Fleshed Sweet Potato Tubers (Ipomoea Batatas L.) International Journal of Food Properties, 15(4), 912-931.
• P. C. Parvathy and A. N. Jyothi. 2012. Water sorption kinetics of superabsorbent hydrogels of saponified cassava starch-graft-poly(acrylamide), Starch/Stärke, 64(10), 803-812.
• P. C. Parvathy and A. N. Jyothi. 2012. Synthesis, characterization and swelling behaviour of superabsorbent polymers from cassava starch-graft-poly(acrylamide), Starch/Stärke, 64(3), 207–218.
• A. N. Jyothi, M. S. Sajeev, and J. Sreekumar. 2011. Hydrothermal modifications of tropical tuber starches - Effect of annealing on the physicochemical, rheological and gelatinization characteristics. Starch/Stärke, 63, 536-549.
• A. N. Jyothi, M. S. Sajeev, P. C. Parvathy, and J. Sreekumar. 2011. Optimization of Synthesis and characterization of cassava starch-graft-poly(acrylonitrile) using response surface methodology, Journal of Applied Polymer Science. 122(3), 1546-1555.
• Soumya B. Nair, A. N. Jyothi, M. S. Sajeev, R. S. Misra. 2011. Rheological, Mechanical and Moisture Sorption Characteristics of Cassava Starch-Konjac glucomannan Blend Films. Starch/Stärke, 63, 728-739.
• A. N. Jyothi, J. Sreekumar, S. N. Moorthy and M. S. Sajeev. 2010. Response Surface Methodology for the Optimization and Characterization of Cassava Starch-graft-poly(acrylamide), Starch/Stärke, 62, 18-27.
• A. N. Jyothi, 2010. Starch graft copolymers- Novel applications in industry. Composite Interfaces, 17, 2010, 165-174.
• A. N. Jyothi, M. S. Sajeev, and J. Sreekumar. Hydrothermal modifications of tropical tuber starches 1. Effect of heat-moisture treatment on the physicochemical, rheological and gelatinization characteristics of tuber starches, Starch/Stärke 62, 2010, 28-40.
• A. N. Jyothi, M. S. Sajeev, S. N. Moorthy, J. Sreekumar. Effect of graft-copolymerization with poly(acrylamide) on the thermal and rheological properties of cassava starch, Journal of Applied Polymer Science, 116(1), 2010, 337-346.
• A. N. Jyothi., M. S. Sajeev and K. N. Rajasekharan. Effect of microwave-assisted heat-moisture treatment on the properties of cassava (Manihot esculenta Crantz) Starch. Journal of Science, Technology and Management, 3(3), 2010, 15-28.
• P. Parvathy Chandran and A. N. Jyothi. Adsorption of heavy metal ions by starch based superabsprbent polymer. Journal of Science, Technology and Management, 3(3), 2010, 5-8.
• Soumya B. Nair and A. N. Jyothi. Evaluation of rheological and flocculation properties of starch-graft-poly(methacrylamide) copolymers. Journal of Science, Technology and Management ,3(2), 2010, 5-14.
• A. N. Jyothi, J. T. Sheriff, M. S. Sajeev. Physical and Functional Properties of Arrowroot Starch Extrudates, Journal of Food Science, 74(2), 2009, p. E97-E104.
• A. N. Jyothi, M.S. Sajeev, S. N. Moorthy, J. Sreekumar, K. N. Rajasekharan. Microwave-assisted synthesis of cassava starch phosphates and their characterization, Journal of Root Crops, 34(1), 2008, 34-42.  
• A. N. Jyothi, K. Sasi Kiran, B.Wilson, S. N. Moorthy, Bala Nambisan. Wet storage of cassava starch: Use of sodium metabisulphite and acetic acid and the effect on starch properties, Starch/Stärke59 (3-4), 2007, 141-148.
• A. N. Jyothi, S. N. Moorthy, J. Sreekumar, K. N. Rajasekharan. Studies on the properties of citrate derivatives of cassava (Manihot esculenta Crantz) starch synthesized by microwave technique, Journal of the Science of Food and Agriculture,87, (5), 2007, 871-879.
• A. N. Jyothi, S. N. Moorthy, K. N. Rajasekharan. Studies on the synthesis and properties of hydroxypropyl derivatives of cassava (Manihot esculenta Crantz) starch, Journal of the Science of Food and Agriculture, 87 (10), 2007, 1964-1972.
• A. N. Jyothi, S. N. Moorthy, K. N. Rajasekharan. Effect of cross-linking with epichlorohydrin on the properties of cassava (Manihot esculenta Cranz) starch, Starch/ Stärke, 2006, 58(6), 292-299.
• A. N. Jyothi, S. N. Moorthy, K. N. Rajasekharan. Synthesis and characterization of dodecenyl derivatives of cassava starch, Journal of Root Crops, 2006, 32(2), 107-114.
• A. N. Jyothi, K. N. Rajasekharan, S. N. Moorthy, J. Sreekumar. Microwave- assisted synthesis and characterization of succinate derivatives of cassava (Manihot esculenta Crantz) starch, Starch/Starke, 57(11), 2005, 556-563.
• A. N. Jyothi, K. Sasikiran, M. S. Sajeev, R. Revamma, S. N. Moorthy. Gelatinisation properties of cassava starch in the presence of salts, acids and oxidising agents, Starch/Starke, 2005, 57 (11), 547-556.
• A. N. Jyothi., B. Wilson, S. N. Moorthy, Mathew George. The Physico-chemical properties of the starchy flour extracted from Sweet potato tubers through lactic acid fermentation, Journal of the Science of Food and Agriculture,2005, 85, 1558-1563.
• A. N. Jyothi, K. N. Rajasekharan, S. N. Moorthy, J. Sreekumar. Synthesis and characterization of low DS succinate derivatives of cassava (Manihot esculenta Crantz) starch, Starch/Starke, 2005, 57 (7), 319-324.
• A. N. Jyothi, S. N. Moorthy, C. S. Eswariamma. Anthocyanins in Sweet potato leaves – varietal screening, growth phase studies and stability in a model system, International Journal of Food Properties, 2005, 8 (2), 221-232.
• A. N. Jyothi, K. Sasikiran, Bala Nambisan and C. Balagopalan. Optimisation of glutamic acid production from cassava starch factory residues using Brevibacterium Divaricatum, Process Biochemistry, 2005, 40(11), 3576-3579.
• A. N. Jyothi., S. N. Moorthy and B. Vimala. Physicochemical and Functional Properties of Starch extracted from two Species of Curcuma. International Journal of Food Properties, 2003, 6(1), 135-145.
• A. N. Jyothi. Standardisation of Process for the Production of Maltodextrins from Sweet Potato Flour, Journal of Root Crops, 2003, 29 (1), 20-23.
• A.N. Jyothi and S. N. Moorthy. Effect of Formaldehyde Concentration on Cross-linking and Pasting Properties of Cassava Starch, Journal of Root Crops, 2002, 28 (2), 36-41.
• A.N. Jyothi, C. Balagopalan and S. N. Moorthy, 2001. Utilization of cassava residue for the production of maltodextrins and L-glutamic acid. In: Trends in Carbohydrate Chemistry, Vol. 8, pp. 175-1

Number of Books/Book chapters : 15

• Jyothi, A.N., Jaganathan, D., Krishna Radhika, N., Ramesh,V., Kesava Kumar, H., Prakash, P. and Pradeepika, C. (Eds.). 2023. Book of Abstracts. National Conference on Tropical Tuber Crops for Sustainability, Tradition, Agri-Food Systems & Resilience (NCTTC 4 STAR 2023). Indian Society for Root Crops & ICAR-CTCRI, 28-29 November 2023, ICAR-Central Tuber Crops Research Institute, Thiruvananthapuram, Kerala, India, 146 p.
• Jyothi, A.N., Jaganathan, D., Krishna Radhika, N., Makeshkumar, T., Ramesh, V., Prakash, P. and Pradeepika, C. (Eds.). 2023. Souvenir. National Conference on Tropical Tuber Crops for Sustainability, Tradition, Agri-Food Systems & Resilience (NCTTC 4 STAR 2023). Indian Society for Root Crops & ICAR-CTCRI, 28-29 November 2023, ICAR-Central Tuber Crops Research Institute, Thiruvananthapuram, Kerala, India, 144 p.
• Sajeev, M. S., Jyothi, A.N., Krishnakumar, T. and Pradeepika, C. 2023. Technological Innovations for entrepreneurship development in tuber crops. In: National Conference on Tropical Tuber Crops for Sustainability, Tradition, Agri-Food Systems & Resilience (NCTTC4STAR 2023). Indian Society for Root Crops & ICAR-Central Tuber Crops Research Institute, 28-29 November 2023, ICAR-CTCRI, Thiruvananthapuram, Kerala, India. pp. 95-101.
• Sajeev, M.S., Padmaja, G., Jyothi, A.N., Krishnakumar, T., Pradeepika, C. 2023. Tropical Tuber Crops: Nutrition and Entrepreneurial Opportunities. In: Singh, B., Kalia, P. (eds.) Vegetables for Nutrition and Entrepreneurship. Springer, Singapore.  pp. pp 409-438. https://doi.org/10.1007/978-981-19-9016-8_19.
• Jyothi, A.N. 2022. Nutritive and bioactive phytochemicals in minor tuber crops. In: ICAR Sponsored Winter School on Sustainable Exploitation of Genetic Resources of Neglected and Underutilized Tuber Crops for Enhancing Climate Resilience and Nutritional Security. Murugesan, P., Senthilkumar, K.M. and Mohan, C. (Eds.), E-Book published by Division of Computer Applications, Indian Agricultural Statistics Research Institute, New Delhi.
• Jyothi, A.N. 2022. Nutritive and bioactive phytochemicals in minor tuber crops. 2022. In: Sustainable Exploitation of Genetic Resources of Underutilized Tuber Crops. Murugesan, P., Visalakshi Chandra C., Koundinya, A.V.V. and Pandey, V. (Eds.). ICAR-Central Tuber Crops Research Institute, Thiruvananthapuram, Kerala, (ISBN: 978-81-957479-0-0), pp.147-154.
• Jyothi, A.N. and Sajeev, M.S. 2021. Industrial Products from Tropical Tuber Crops. In: Recent Advances in Root and Tuber Crops (Eds. Sanket J. More, Namrata Ankush Giri, Sureshkumar J., Visalakshi Chandra C. and Sirisha Tadigiri), Brillion Publishing, New Delhi, SBN: 978-93-90757-44-2 e-ISBN: 978-93-90757-47-3, pp. 391-406.  
• Sajeev, M.S., Padmaja, G., Krishnakumar, T., Jyothi, A.N. and Moorthy, S.N. 2020. Quality and Safety Aspects of Tropical Tuber Crops.  In: Safety and Quality Management in food supply chain: A farm to fork approach, Sudheer, K. P. et al., (Eds.), New India Publishing Agency, New Delhi, pp. 467- 500.
• Sajeev, M.S., Padmaja, G., Sheriff, J. T.,and Jyothi, A.N. 2021.Entrepreneurial Opportunities in Tuber Crops Processing. In: Entrepreneurship and Skill Development in Horticultural Processing,1st Edition, CRC Press, pp. 28. eBook ISBN9781003246138.
• Sajeev, M.S., Padmaja G., Sheriff, J.T. and Jyothi, A. N. 2018. Entrepreneurial Opportunities in Tuber crop processing. In: Entrepreneurship and Skill Development in Horticultural Processing.  (Eds. K. P. Sudheer and V. Indira). New India Publishing Agency, New Delhi. (ISBN: 9789386546807).
• Annamaria Celli, Magdy W. Sabaa, A. N. Jyothi and Susheel Kalia, Chitosan and Starch-based Hydrogels by Graft Copolymerization, In: Polymeric Hydrogels as Smart Biomaterials, Springer Series on Polymer and Composite Materials, Springer International Publishing, Switzerland 2016. DOI: 10.1007/978-3-319-253220_8.
• A.N. Jyothi., P. Parvathy Chandran, Soumya B. Nair, and G. Suja. 2014. Starch based Biodegradable Composites: Scope in Biomedical and Agricultural Applications. Chapter 4. In: Micro and Nanostructured Polymer Systems: From Synthesis to Applications (Eds. Sabu Thomas, Robert Shank and Jithin Joy), Apple Academic Press, Inc., Canada.
• G. Padmaja and A. N. Jyothi. Roots and Tubers, In: Valorization of Food Processing By-products (Ed. M. Chandrasekaran), CRC Press, Taylor & Francis Group, Boca Raton, Florida, Nov 2016, pp 378-414.
• A. N. Jyothi and Antonio J. F. Carvalho. Starch-g-copolymers: Synthesis, Properties and Applications, In: Polysaccharide based graft copolymers, (Eds. S. Kalia and M. W. Sabaa), Springer-Verlag GmbH, Berlin, Heidelberg, 2013, pp.59-109.
• A. N. Jyothi, M.S. Sajeev, G. Padmaja and S. K. Naskar, Chapter 22, Biodegradable Nanocomposite Materials for Food Packaging, In: Nanotechnology in Agriculture Advances in Horticulture Biotechnology Vol. 6. (Eds.  Singh, H.P. Anil Kumar and Parthasarathy, V. A.), Westville Publishers, New Delhi, 2012, pp.261-269.

Number of Technical Bulletins :  5

• Jyothi, A.N. 2024. Tropical Tuber crops in Human Nutritiuon. Techncial Bulletin No. TB-102/2024, ICAR-Central Tuber Crops Research Institute, Sreekariyam, Thiruvananthapuram, Kerala, India, 34p.
• Susan John K., Shirly Raichal Anil, Veena, S.S., Jyothi, A.N., Sivakumar, P.S. and Sangeetha, B.G. 2023.  Sweet Potato. Technical Bulletin No. 94, ICAR-Central Tuber Crops Research Institute, Sreekariyam, Thiruvananthapuram, Kerala, India, 46p.
• Sunitha, S., Laxminarayan, K., Veena, S.S., Jyothi, A.N., Santhosh Mithra, V.S. and Kalidas Pati. 2023. Taro. Technical Bulletin No. 96. ICAR-Central Tuber Crops Research Institute, Sreekariyam, Thiruvananthapuram, Kerala, India, 42p.
• Byju, G., Veena, S. S., Ramesh, V., Suja, G., Ravi, V., Sunitha, S., Sheela, M. N., Jayaprakas, C.A., Sajeev, M. S., Asha Devi, A., Shirly Raichal Anil, Sreekumar, J., Makeshkumar, T., Jyothi, A.N., Jeeva, M.L., Murugesan, P., Saravanan Raju, Mohan, C., Kumar, H.K., Asha, K.I., Santhosh Mithra, V.S., Hegde, V., Harish, E.R., Koundiniya, A.V.V., Muthuraj, R., Jaganathan, D., Sasankan, V.R., Rejin, D.T. and Shiny, R. 2020. Deluge of August 2018 in Kerala State, India: Changes in soil properties. Technical Bulletin No. 78, ICAR-Central Tuber Crops Research Institute, Sreekariyam, Thiruvananthapuram, Kerala, 32p.
• A. N. Jyothi and S. N. Moorthy, 2012. Modified Tuber Starches, Technical Bulletin No. 52, ICAR-Central Tuber Crops Research Institute, Sreekariyam, Thiruvananthapuram, Kerala, India, 46p.