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 Dr. John E. ThoppilDr . John E Thoppil
Head of the Department, Department of Botany


 Office Address

Associate Professor , Cell & Molecular Biology Division

Department of Botany ,University of Calicut , Thenjipalam

Malappuram-673635

0091-494-2401144*406, 407

Mob: 91-9847767193

Email: This e-mail address is being protected from spam bots, you need JavaScript enabled to view it , This e-mail address is being protected from spam bots, you need JavaScript enabled to view it

 
 Academic Qualifications
 M.Sc , Ph.D
  
 Specialization Cytogenetics & Phytochemistry
  
 PG Teaching Experience
20 Years
  
 Research Experience
 25 Years
  
 Doctoral Guidence
 
 
  1.  Students completed Ph. D. - 18
  2. Students doing research for Ph. D. – 7
  3. M. Phil. Guidance: Students completed M. Phil. - 14

Research Projects:

Completed – 1. “Studies on genetic polymorphism in the in vivo and in vitro plants of Trichopus zeylanicus Gaertn using chromosome imaging, RAPD and phytochemical assays”. Funded by University Grants Commission, (Rs 7,22,600/-) for the period 2006-2009.

Completed – 2. “Survey and assessment of the aromatic and medicinal grasses of Peninsular India and ex-situ conservation of endemic and endangered species”. Funded by National Medicinal Plant Board, (Rs 9,00,000/-) for the period 2007-2010.

Publications:

Books Published: 2

  1. Minija Janardhanan & John E. Thoppil. 2004 Herb and Spice Essential Oils (Therapeutic, Flavour and Aromatic Chemicals of Apiaceae). Discovery Publishing House, New Delhi.

  2. Sandhya Vincent Neelamkavil & John E. Thoppil. Isodon coetsa: Genotoxic consequences & essential oil profile. LAP Lambert Academic Publishing, Germany.

Research Papers Published:

  1. Thoppil, J. E. and Jose J. (1989) Studies on betel vines and its improvement. PROCEEDINGS OF THE KERALA SCIENCE CONGRESS 1: 51-53.

  2. Thoppil, J. E. and Jose J. (1992) Comparative analysis on chromosome constitution and essential oils in different cultivars of Piper betle Linn. PROCEEDINGS OF THE KERALA SCIENCE CONGRESS 4: 288-289.

  3. Jose J., Thoppil, J. E. and Laly T. (1992) Chromosome complement analysis in five species of Peperomia Ruiz. and Pav. CYTOLOGIA 57: 227-229.

  4. Thoppil, J. E. and Jose J. (1994) Infraspecific genetic control of major essential oil constituents in Ocimum basilicum Linn. THE NUCLEUS 37 (1 & 2): 30-33.

  5. Thoppil, J. E. and Jose J. (1994) Intra cellular interactions, cell-cell recognition, specific cell adhesion and contact inhibition. MODERN TRENDS IN BOTANY 1: 41-44.

  6. Thoppil, J. E. and Jose J. (1994) Meiotic abnormalities and polyspory in the polyploidy taxa of Ocimum L. CELL AND CHROMOSOME RESEARCH 17 (2 & 3): 51-57.

  7. Jose J., Thoppil, J. E. and Laly T. (1994) Karyotype analysis in Peperomia Ruiz. and Pav. CARYOLOGIA 47 (1): 75-79.

  8. Thoppil, J. E. and Jose J. (1995) Cytological studies and chemical composition in Eusteralis quadrifolia (Benth.) Panigrahi. PROCEEDINGS OF INDIAN NATIONAL SCIENCE ACADEMY b 61 (3): 209-212.

  9. Thoppil, J. E. and Jose J. (1995) Influence of B-chromosome on essential oil biosynthesis in Salvia plebia (Lamiaceae). CYTOBIOS 84: 59-61.

  10. Thoppil, J. E. and Jose J. (1995) Cytogenetic diagnosis and essential oil constituents in two medicinal species of Leucas. (Lamiaceae). ASIAN JOURNAL OF PLANT SCIENCE 7 (1 & 2): 11-17.

  11. Thoppil, J. E. and Jose J. (1995) Chromosome constitution and essential oil characterization in Coleus Lour. (Lamiaceae). THE PHILIPPINE JOURNAL OF PLANT SCIENCE 214 (3): 259-265.

  12. Thoppil, J. E. and Jose J. (1995) Chromosome architecture and major essential oil components in Leonotis nepetifolia (L.). Ait. F. from south India. ACTA PHARMACEU-TICA 45(1): 25-28.

  13. Thoppil, J. E. and Jose J. (1995) Cytological and biochemical analysis in Leucas vestita. ACTA BOTANICA INDICA 23: 117-118.

  14. Thoppil, J. E. and Jose J. (1995) Chemical composition of essential oil in two ethnomedicinal species of Hyptis. ACTA PHARMACEUTICA 45(4): 551-553.

  15. Thoppil, J. E. and Jose J. (1995) Karyomorphological studies in two ornamental plants of Lamiaceae. JOURNAL OF CYTOLOGY AND GENETICS 30(1): 41-44.

  16. Thoppil, J. E. (1996) A menthone chemotype in Calamintha nepeta. JOURNAL OF MEDICINAL AND AROMATIC PLANT SCIENCE 19: 5-6.

  17. Thoppil, J. E. (1996) Contribution to the study of essential oil biosynthesis in eight varieties of Ocimum basilicum L. ACTA PHARMACEUTICA 46 (3): 195-199.

  18. Thoppil, J. E. and Jose J. (1996) Relation between in two ornamental plants of Lamiaceae. JOURNAL OF CYTOLOGY AND GENETICS 30(1): 41-44.

  19. Thoppil, J. E. and Jose J. (1996) Some potential monoterpenes from Ocimum adscendens. INDIAN DRUGS 33 (11): 568.

  20. Thoppil, J. E. and Jose J. (1996) Karyotype evolution in Orthosiphon grandiflora Bold (Lamiaceae). JOURNAL OF INDIAN BOTANICAL SOCIETY 75: 149-150.

  21. Thoppil, J. E. and Jose J. (1996) Chromosome analysis as correlated with essential oil composition in two species of Plectranthus. THE NUCLEUS 39 (3): 144-147.

  22. Thoppil, J. E. (1997) Essential oil composition of Moschosma polystachya (L.) Benth. INDIAN JOURNAL OF PHARMACEUTICAL SCIENCES 59 (4): 191-192.

  23. Thoppil, J. E. (1997) Olfactory principles in the floral oil of Plectranthus vestitus Benth. ACTA PHARMACEUTICA 47 (3): 213-215.

  24. Thoppil, J. E. (1997) Entomophily through olfactory signals in the flowers of Coleus laciniatus Benth. GEOBIOS NEW REPORTS 16: 143-144.

  25. Thoppil, J. E. and Jose J. (1998) Karyomorphometrics and essential oil analysis in Anisochilus Wall ex Benth. THE PHILIPPINE JOURNAL OF PLANT SCIENCE 217 (2): 103-109.

  26. Thoppil, J. E. and Jose J. (1998) Chromosome configuration and evolution of base numbers in Anisomeles R. Br. (Lamiaceae). GLIMPSES IN PLANT RESEARCH 12: 173-177.

  27. Tajo, A. and Thoppil, J. E. (1998) Cytotoxic properties of Ocimum americanum L. BULLETIN OF PURE AND APPLIED SCIENCES 17 B (2): 49-53.

  28. Thoppil, J. E., Tajo, A. and Minija, J. (1998) Antibacterial and antifungal activity of four varieties of Ocimum basilicum FITOTERAPIA 69 (2): 191-192.

  29. Thoppil, J. E., Tajo, A. and Minija, J. (1999) Antimicrobial properties of Moschosma polystachya (L.) Benth. GEOBIOS NEW REPORTS 18 (2): 137-138.

  30. Minija, J., Tajo, A. and Thoppil, J. E. (1999) Mitoclastic properties of Mentha rotundifolia L. JOURNAL OF CYTOLOGY AND GENETICS 34 (2): 137-139.

  31. Tajo, A. and Thoppil, J. E. (1999) Antimicrobial activities of Ocimum americanum essential oil. INDIAN JOURNAL OF PHARMACEUTICAL SCIENCES 61 (6): 377-378.

  32. Tajo, A., Minija, J., Deena, M. J. and Thoppil, J. E. (1999) Antimicrobial properties of Calamintha nepeta (L.)Savi essential oil. INDIAN PERFUMER 43 (4): 179-181.

  33. Thoppil, J. E. (2000) Essential oil analysis of Eusteralis deccanensis Panigrahi. (Lamiaceae). BOLLETTINO CHIMICO FARMACEUTICO 139 (4): 114-115.

  34. Deena, M. J. and Thoppil, J. E. (2000) Antibacterial activity of the essential oil of Lantana camara. FITOTERAPIA 71: 453-455.

  35. Deena, M. J. and Thoppil, J. E. (2000) Chemical composition of the essential oil of Lantana camara L. ACTA PHARMACEUTICA 50 (3): 259-262.

  36. Deena, M. J. and Thoppil, J. E. (2000) Cytotoxic properties of Lantana camara L. JOURNAL OF CYTOLOGY AND GENETICS 35 (2): 111-115.

  37. Sreeranjini, K. and Thoppil, J. E. (2001) Cytotoxic effects of Spilanthes ciliata on cells of onion. JOURNAL OF CYTOLOGY AND GENETICS 36 (1): 71-75.

  38. Minija, J. and Thoppil, J. E. (2001) Volatile oil constitution and microbicidal activities of essential oil of Coriandrum sativum L. JOURNAL OF NATURAL REMEDIES 1 (2): 147-150.

  39. Thoppil, J. E., Minija, J., Tajo, A. and Deena M. J. (2001) Antimicrobial activity of Teucrium plectranthoides Gamble essential oil. JOURNAL OF NATURAL REMEDIES 1 (2): 155-157.

  40. Thoppil, J. E., Tajo, A., Deena M. J. and Sreeranjini, K. (2001) Microbicidal properties of mint essential oils. INDIAN PERFUMER 45 (3): 143-145.

  41. Minija, J. and Thoppil, J. E. (2001) Some components of essential oil from Polyzygus tuberosus. INDIAN DRUGS 38 (11): 593.

  42. Chitra, M. and Thoppil, J. E. (2002) A pharmacognostic report on the rhizome of Cyperus rotundus. DRUG LINES 4: 7-12.

  43. Chitra, M. and Thoppil, J. E. (2002) Pharmacognostical and phytochemical studies on Curcuma amada (Linn.) R. Br. rhizome (Zingiberaceae). ANCIENT SCIENCE OF LIFE 22 (1): 25-33.

  44. Chitra, M. and Thoppil, J. E. (2002) Pharmacognostical and phytochemical investigations on the tuberous roots of Hemidesmus indicus (Linn.) R. Br. (Asclepiadaceae). ANCIENT SCIENCE OF LIFE 22 (2): 248-255.

  45. Deena, M. J., Sreeranjini, K. and Thoppil, J. E. (2002) Antimicrobial screening of essential oils of Coleus aromaticus and Coleus zeylanicus. THE INTERNATIONAL JOURNAL OF AROMATHERAPY 12 (2): 105-107.

  46. Minija, J. and Thoppil, J. E. (2002) Essential oil composition of Trachyspermum ammi (L.) Sprague from south India. INDIAN JOURNAL OF PHARMACEUTICAL SCIENCES 64: 250-251.

  47. Minija, J. and Thoppil, J. E. (2002) Volatile oil constitution in two species of Apiaceae. GEOBIOS 29 (1): 59-60.

  48. Thoppil, J. E., Deena M. J., Tajo, A., Sreeranjini, K., Kochuthressia M. V. and Leeja L. (2002) Antimicrobial potential of the essential oil of Artemisia nilagirica (Clarke) Pamp. GEOBIOS 29 (2, 3): 181-182.

  49. Thoppil, J. E., Deena M. J., Sreeranjini, K., Tajo, A. and Kochuthressia M. V. (2002) Microbicidal screening of the essential oil of Spilanthes ciliata H. B. K. JOURNAL OF INDIAN BOTANICAL SOCIETY 81 (2): 181-182.

  50. Minija, J. and Thoppil, J. E. (2002) Chemical composition of two species of Hydrocotyle. ACTA PHARMACEUTICA 52: 67-69.

  51. Minija, J. and Thoppil, J. E. (2002) Studies on essential oil composition and microbicidal activities of two south Indian spices of the Apiaceae. INTERNATIONAL JOURNAL OF AROMATHERAPY 12 (4): 213-215.

  52. Tajo, A. and Thoppil, J. E. (2003) Karyotype analysis of the somaclonal variant in Ocimum basilicum var. purpurascens. JOURNAL OF CYTOLOGY AND GENETICS 4: 69-74.

  53. Deena, M. J., Sreeranjini, K., Umesh, B. T. and Thoppil, J. E. (2003) Microbicidal properties of Cinnamomum zeylanicum Blume. herb oil. JOURNAL OF CURRENT SCIENCE 3 (1): 255-256.

  54. Abidal Beevi, S. and Thoppil, J. E. (2003) Cytotoxic effects of Kyllinga nemoralis (J. R. & G. Frost) Dandy ex Hutch & Dalziel on Allium cepa L. root meristem. JOURNAL OF CURRENT SCIENCE 3 (1): 365-368.

  55. Thoppil, J. E., Minija, J., Tajo, A. and Deena M. J. (2003) Antimicrobial activity of Eusteralis deccanensis and E. quadrifolia essential oils. JOURNAL OF ENVIRONMENTAL BIOLOGY 24 (2): 211-212.

  56. Minija, J. and Thoppil, J. E. (2003) Antimicrobial activity of Centella asiatica (L.) Urb. essential oil. INDIAN PERFUMER 47 (2): 179-181.

  57. Umesh B. T., Sreeranjini, K., Leeja L., Sandhya K. K., Betty K. P. and Thoppil, J. E. (2003) Microbicidal potential of essential oil of Curcuma haritha Mangaly & Sabu. JOURNAL OF NATURAL REMEDIES 3 (2): 199-201.

  58. Minija, J. and Thoppil, J. E. (2003) Karyomorphological studies in Polyzygus tuberosus Dalz. Ex Walp. By image analysis system. THE NUCLEUS 46 (1 & 2): 59-60.

  59. Deena, M. J., Sreeranjini, K., Umesh, B. T. and Thoppil, J. E. (2004) Antimicrobial activities of Vetiveria zizanoides L. Nashn. essential oil. DRUG LINES 6 (1 & 2): 32-33.

  60. Leeja, L. and Thoppil, J. E. (2004) Cytotoxic potential of extracts of Artemisia nilgirica (C. B. Clarke) Pampan. CELL AND CHROMOSOME RESEARCH 24: 21-26.

  61. Leeja, L. and Thoppil, J. E. (2004) Essential oil composition and mosquito larvicidal activity of Artemisia nilgirica (C. B. Clarke) Pampan. from south India. JOURNAL OF PHYTOLOGICAL RESEARCH 17 (2): 155-158.

  62. Sreeranjini, K. and Thoppil, J. E. (2005) Cytological studies of calli, in vitro and in vivo plants of Trachyspermum roxburghianum (DC.) Craib. CYTOLOGIA 70 (2): 203-206.

  63. Tomson, M. and Thoppil, J. E. (2005) Influence of B-chromosomes on essential oil content and composition in Salvia coccinea Buc’hoz ex Etl. (Lamiaceae). CARYOLOGIA 58 (3): 246-248.

  64. Saj, O. P. and Thoppil, J. E. (2006) Cytotoxic studies and exploration of essential oil in two species of Corymbia. JOURNAL OF CYTOLOGY AND GENETICS 7: 131-139.

  65. Betty, K. P. and Thoppil, J. E. (2006) Karyomorphological analysis of six cultivated varities of Coleus blumei Benth. JOURNAL OF CYTOLOGY AND GENETICS 7: 161-166.

  66. Umesh, B. T. and Thoppil, J. E. (2006) Composition of volatile oil isolated from Duchesnea indica (Andr.) Focke. INDIAN JOURNAL OF PHARMACEUTICAL SCIENCES 68 (2): 277-278.

  67. Saj, O. P. and Thoppil, J. E. (2006) Bioactive principles of the essential oil of allspice cultivated in the botanical garden of University of Calicut. SPICE INDIA 29-33.

  68. Saj, O. P. and Thoppil, J. E. (2007) Exploration of essential oil of Beaufortia sparsa R. Br. GEOBIOS 34: 13-16.

  69. Leeja, L. and Thoppil. J. E. (2007) In vitro micropropagation of Origanum majorana L. (Sweet Marjoram). In: Trivedi P. C. (Ed.) BIOTECHNOLOGY – CURRENT PERSPECTIVES AND POTENTIAL APPLICATIONS. Aavishkar Publishers, Jaipur, India. Pp. 156 - 160.

  70. Leeja, L., Umesh, B. T., Betty, K. P. and Thoppil, J. E. (2007) Antimicrobial screening of essential oil of Coleus malabaricus Benth. var. mollis (Benth.) Hook. F. INTERNATIONAL JOURNAL OF ESSENTIAL OIL THERAPEUTICS 1: 49-50.

  71. Leeja, L. and Thoppil. J. E. (2007) Antimicrobial activity of methanol extract of Origanum majorana L. (Sweet Marjoram). JOURNAL OF ENVIRONMENTAL BIOLOGY 28 (1): 145-146.

  72. Faseena, M. and Thoppil, J. E. (2007) A high polyploidy chromosome complement of Ophioglossom nudicaule L. f. CYTOLOGIA 70 (2): 203-206.

  73. Betty, K. P. and Thoppil, J. E. (2007) Antioxidant activity of Plectranthus zeylanicus Benth. (Lamiaceae) INTERNATIONAL JOURNAL OF ESSENTIAL OIL THERAPEUTICS 1 (3): 140-142.

  74. Betty, K. P. and Thoppil, J. E. (2008) Structural features of the glandular trichomes and elemental analysis of Plectranthus zeylanicus Benth. (Lamiaceae). JOURNAL OF PHYTOLOGICAL RESEARCH 21 (1): 115-118.

  75. Chithra, M. and Thoppil, J. E. (2008) A pharmacognostical report of on the rhizome of Alpinia galanga L. (Willd.) ANCIENT SCIENCE OF LIFE 27 (4): 9-21.

  76. Jija, M and Thoppil, J. E. (2008) Karyomorphological analysis of five taxa of Salvia L. (Lamiaceae) THE NUCLEUS 51(3): 279-291.

  77. Abdul Salam C. A. and Thoppil J. E. (2010) Isolation of induced morphological mutants in Capsicum annum L. JOURNAL OF PHYTOLOGY 2(2): 57–63.

  78. Abdul Salam, C. A. and Thoppil J. E. (2010) Mutagen induced cytological aberrations in Capsicum annuum L. International Journal of Recent Scientific Research 2: 52–55.

  79. Sandhya, K. K. and Thoppil J. E. (2010) Essential oil in Coleus aromaticus Benth. and C. aromaticus Benth. variegata. GEOBIOS 37: 234–235.

  80. Jija, M. & Thoppil, J. E. (2011) Chemical composition and mosquito larvicidal activities of Salvia essential oils. PHARMACEUTICAL BIOLOGY 49 (5): 456-463.

  81. Yasin, K. M., Thoppil, J. E., Sivadasan, M. & Alfarhan, A. H. (2011) Chromosomal mosaicism in the mistletoe, Helicanthes elastica (Desr.) Danser. THE NUCLEUS 54 (1): 31-33.

  82. Asha, R. & Thoppil, J. E. (2011) Genotoxic effect of the leaf extract of Eupatorium triplinervei Vahl. (Asteraceae). JOURNAL OF CYTOLOGY AND GENETICS 12:65-70.

  83. Saj, O. P. & Thoppil, J. E. (2011) Chemical composition and antimicrobial properties of essential oil of Agonis flexuosa. INTERNATIONAL JOURNAL OF INSTITUTIONAL PHARMACY AND LIFE SCIENCES 1 (2): 12-17.

  1. Jija, M. & Thoppil, J. E. (2012) Genotoxicity of methyl parathion and antimutagenic activity of Salvia officinalis L. (sage) extracts in Swiss albino mice. ASIAN JOURNAL OF PHARMACEUTICAL AND CLINICAL RESEARCH 5(2): 164-170.

  2. Jija, M. & Thoppil, J. E. (2012) Antimutagenic effect of methanol extract of Salvia coccinea
    Buc’ hoz ex. Etl. ‘White’ in Swiss albino mice. INTERNATIONAL JOURNAL OF PHARMACEUTICAL RESEARCH AND DEVELOPMENT 3(1): 30-38.

  3. Jija, M. & Thoppil, J. E. (2012) Investigation of antimutagenic activity of three Salvia extracts. INTERNATIONAL JOURNAL OF PHARMACY AND PHARMACEUTICAL SCIENCES 4: 225-230.

  4. Julie John & Thoppil, J. E. (2012) Evaluation of antioxidant potential of two species of Alpinia Roxb. (Zingiberaceae). INTERNATIONAL RESEARCH JOURNAL OF PHARMACY 3(4): 402-404.

  5. Renjana, P. K. & Thoppil, J. E. (2013) Toxicological evaluation of root methanolic extract of Strobilanthes heyneanus Nees using Allium cepa test. INTERNATIONAL JOURNAL OF PHARMACEUTICAL SCIENCES AND DRUG RESEARCH 5(3): 125-128.

  6. Anjana, S. & Thoppil, J. E. (2013) Analysis of cytotoxic potential of the aqueous leaf extracts of Pogostemon auricularius (L.) Hassk. using Allium cepa root tip assay. INTERNATIONAL JOURNAL OF RESEARCH AND DEVELOPMENT IN PHARMACY AND LIFE SCIENCES 2(5): 562-566.

  7. Renjana, P. K. & Thoppil, J. E. (2013) Larvicidal activities of the leaf extracts and essential oil of Premna latifolia Roxb. (Verbenaceae) against Aedes albopictus Skuse (Diptera: Culicidae). JOURNAL OF APPLIED PHARMACEUTICAL SCIENCE 3(6): 101-105.

  8. Anjana, S. & Thoppil, J. E. (2013) Chemical composition of the essential oils of four Pogostemon spp. and their larvicidal activity against Aedes albopictus Skuse (Diptera: Culicidae). INTERNATIONAL JOURNAL OF ENVIRONMENTAL BIOLOGY 3 (1): 26-31.

  9. Sandhya, V. N. & Thoppil, J. E. (2013) C-mitotic effect of aqueous extracts of Isodon coetsa (Buch.-Ham. ex D. Don) Kudo (Lamiaceae). THE NUCLEUS 56(2): 117-122.

  10. Renjana, P. K., Anjana, S. & Thoppil, J. E. (2013) Evaluation of genotoxic effects of baking powder and monosodium glutamate using Allium cepa assay. INTERNATIONAL JOURNAL OF PHARMACY AND PHARMACEUTICAL SCIENCES 5 (2): 311-316.

  11. Saj, O. P. & Thoppil, J. E. (2013) Cytotoxic studies and the exploration of essential oil of Syzygium cumini (L.) Skeels. INTERNATIONAL JOURNAL OF PHARMACY AND NATURAL MEDICINES 1(1): 36-39.

  12. Saj, O. P. & Thoppil, J. E. (2013) Bioactive principles in the essential oil of two species of Melaleuca L. INTERNATIONAL JOURNAL OF INSTITUTIONAL PHARMACY AND LIFE SCIENCES 3: 611-66.

  13. Prajitha, V. & Thoppil, J. E. (2013) Potential larvicidal property of Scutellaria violacea L. (Lamiaceae) against Aedes albopictus Skuse (Diptera: Culicidae). PROCEEDINGS OF THE UGC SPONSORED NATIONAL CONFERENCE ON NATURAL RESOURCES MANAGEMENT: A KEY TO SUSTAINABILITY, ASSUMPTION COLLEGE, CHANGANASSERY pp. 7-11.

  14. Sumitha, K. V. & Thoppil, J. E. (2013) Larvicidal activity and phytochemical analysis of petroleum ether extract of inflorescence of Zanthoxylum rhetsa (Roxb.) DC (Rutaceae). PROCEEDINGS OF THE UGC SPONSORED NATIONAL CONFERENCE ON NATURAL RESOURCES MANAGEMENT: A KEY TO SUSTAINABILITY, ASSUMPTION COLLEGE, CHANGANASSERY pp. 12-17.

  15. Sandhya, V. N. & Thoppil, J. E. (2013) Chemical composition and larvicidal potential of essential oil of Isodon coetsa (Buch.-Ham. Ex D. Don) Kudo (Lamiaceae). PROCEEDINGS OF THE UGC SPONSORED NATIONAL CONFERENCE ON NATURAL RESOURCES MANAGEMENT: A KEY TO SUSTAINABILITY, ASSUMPTION COLLEGE, CHANGANASSERY pp. 18-23.

  16. Anjana, S., Sumitha, K.V., Prajitha, V. & Thoppil, J. E. (2013) Mutagenicity testing of phenol derivatives on Allium cepa root tip meristems. PROCEEDINGS OF THE UGC SPONSORED NATIONAL CONFERENCE ON NATURAL RESOURCES MANAGEMENT: A KEY TO SUSTAINABILITY, ASSUMPTION COLLEGE, CHANGANASSERY pp. 87-90.

  17. Sandhya, V. N. & Thoppil, J. E. (2014) Toxicological evaluation of polar and nonpolar components of Isodon coetsa (Lamiaceae). TURKISH JOURNAL OF BOTANY 38: 252-257.

  18. Thoppil, J. E., Tajo, A., Minija, J., Deena, M. J., Sreeranjini, K., Leeja, L., Sivadasan, M. & Alfarhan, A. H. (2014) Antimicrobial activity of the essential oils of three species of Pogostemon. JOURNAL OF ENVIRONMENTAL BIOLOGY 35: 795-798.

  19. Umesh, B. T. and thoppil, J. E. (2014) Comparison of Chemical constituents of tissue cultured and field grown plants of Duchesnea indica, (Andr.) Focke. JOURNAL OF PHARMACOGNOSY AND PHYTOCHEMISTRY 3: 68-70.

  20. Deena, M. J. and Thoppil, J. E. (2014) Micropropagation and phytochemical analysis of Mentha rotundifolia (L.) Huds. INDIAN JOURNAL OF APPLIED RESEARCH 4: 41-44.

  21. Prajitha, V. and Thoppil, J. E. (2014) Induction of giant cells by the synthetic food colorants viz., Lemon yellow and Orange red. CYTOTECHNOLOGY doi 10.1007/s10616-014-9797-x.

  22. Neelamkavil, S. V. and Thoppil, J. E. (2014) Genotoxic assessment of calcium hypochorite and Strychnos potatorum Linn. Seeds - two commonly used water purifying agents. REVIEWS ON ENVIRONMENTAL HEALTH doi: 10.1515/reveh-2014-0066.

  23. Umesh, B. T., Leeja, J. and Thoppil, J. E. (2014) A study on mosquito larvicidal activity of essential oil of four species of Ocimum against Aedes albopictus. SKUSE. INTERNATIONAL JOUNAL OF INSTITUTIONAL PHARMACY AND LIFE SCIENCES 4(2): 1-4.

  24. Umesh, B. T. and Thoppil, J. E. (2014) Karyomorphological studies on the plants of Duchesnea indica, (Andr.) Focke. AMERICAN INTERNATIONAL JOURNAL OF RESEARCH IN FORMAL, APPLIED AND NATURAL SCIENCES 7: 65-68.

  25. Betty, K. P. and J. E. Thoppil. (2014) Comparative chemical analysis of the essential oil of Plectranthus zeylanicus Benth. (Lamiaceae). SCITECH JOURNAL 1: 23-26.

  26. Sumitha, K. V., Prajitha, V., Sandhya, V. N., Anjana, S. and Thoppil, J. E. (2014) Potential larvicidal principles in Eryngium foetidum L. (Apiaceae), an omnipresent weed, effective against Aedes albopictus. Skuse. JOURNAL OF ESSENTIAL OIL BEARING PLANTS. Accepted- In Press.

Gene Bank Submissions

  1. UNVERIFIED: Trichopus zeylanicus subsp. travancoricus isolate A ribulose-1,5-bisphosphate carboxylase/oxygenase large subunit-like (rbcL) gene, partial sequence; chloroplast. Accession Number: JF937711

  2. UNVERIFIED: Trichopus zeylanicus subsp. travancoricus isolate B ribulose-1,5-bisphosphate carboxylase/oxygenase large subunit-like (rbcL) gene, partial sequence; chloroplast. Accession Number: JF937712

  3. UNVERIFIED: Trichopus zeylanicus subsp. travancoricus isolate C ribulose-1,5-bisphosphate carboxylase/oxygenase large subunit-like (rbcL) gene, partial sequence; chloroplast. Accession Number: JF937713

  4. UNVERIFIED: Trichopus zeylanicus subsp. travancoricus isolate D ribulose-1,5-bisphosphate carboxylase/oxygenase large subunit-like (rbcL) gene, partial sequence; chloroplast. Accession Number: JF937714

Last Updated ( Tuesday, 01 November 2016 )