Hi, I am Ashok Kumar Tiwari, My LiveDNA is 91.1304
 
   
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Dr. Ashok Kumar Tiwari
 
Highest Degree: Ph.D. in Zoology from Banaras Hindu University, Varanasi, Uttar Pradesh, India
 
Institute: Indian Institute of Chemical Technology, India
 
Area of Interest: Biomedical Sciences
  •   Diabetes
  •   Atherosclerosis
  •   Natural Medicine
  •   Food and Nutrition
 
URL: http://livedna.org/91.1304
 
My SELECTED Publications
1:   Aparna, P., A.K. Tiwari, P.V. Srinivas, A.Z. Ali, V. Anuradha and J.M. Rao, 2009. Dolichandroside A, a new α-glucosidase inhibitor and DPPH free-radical scavenger from Dolichandrone falcata seem. Phytother. Res., 23: 591-596.
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2:   Babu, K.S., A.K. Tiwari, P.V. Srinivas, A.Z. Ali, B.C. Raju and J.M. Rao, 2004. Yeast and mammalian α-glucosidase inhibitory constituents from Himalayan Rhubarb Rheum emodi Wall.ex Meisson. Bioorg. Med. Chem. Lett., 14: 3841-3845.
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3:   Babu, T.H., A.K. Tiwari, V.R.S. Rao, A.Z. Ali, J.M. Rao and K.S. Babu, 2010. A new prenylated isoflavone from Derris scandens Benth. J. Asian Nat. Prod. Res., 12: 634-638.
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4:   Babu, T.H., K. Manjulatha, G.S. Kumar, A. Hymavathi and A.K. Tiwari et al., 2010. Gastroprotective flavonoid constituents from Oroxylum indicum Vent. Bioorg. Med. Chem. Lett., 20: 117-120.
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5:   Babu, T.H., V.R.S. Rao, A.K. Tiwari, K.S. Babu, P.V. Srinivas, A.Z. Ali and J.M. Rao, 2008. Synthesis and biological evaluation of novel 8-aminomethylated oroxylin A analogues as α-glucosidase inhibitors. Bioorg. Med. Chem. Lett., 18: 1659-1662.
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6:   Gowri, P.M., A.K. Tiwari, A.Z. Ali and J.M. Rao, 2007. Inhibition of alpha-glucosidase and amylase by bartogenic acid isolated from Barringtonia racemosa Roxb. seeds. Phytother. Res., 21: 796-799.
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7:   Jagadeeshwar, R.R., A.K. Tiwari, U.S. Kumar, S.V. Reddy, A.Z. Ali and J.M. Rao, 2003. Novel 3-O-acyl mesquitol analogues as free-radical scavengers and enzyme inhibitors: Synthesis, biological evaluation and structure-activity relationship. Bioorg. Med. Chem. Lett., 13: 2777-2780.
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8:   Kumar, G.S., A.K. Tiwari, V.R. Rao, K.R. Prasad, A.Z. Ali and K.S. Babu, 2010. Synthesis and biological evaluation of novel benzyl-substituted flavones as free radical (DPPH) scavengers and α-glucosidase inhibitors. J. Asian Nat. Prod. Res., 12: 978-984.
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9:   Kumar, J.A., A.K. Tiwari, A.Z. Ali, K. Madhusudhana, B.S.Reddy, S. Ramakrishna and B.C. Raju, 2010. New antihyperglycemic, α-glucosidase inhibitory and cytotoxic derivatives of benzimidazoles. J. Enzyme Inhibition Med. Chem., 25: 80-86.
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10:   Kumar, J.A., A.K. Tiwari, A.Z. Ali, R.R. Rao and B.C. Raju, 2011. Synthesis and α-glucosidase inhibitory, DPPH scavenging activity of substituted-2-oxo-2H-7-chromenyldi-hydrogen phosphate derivatives. J. Heterocyclic Chem., 48: 1251-1257.
11:   Kumar, J.A., A.K. Tiwari, G. Saidachary, D.A. Kumar, Z. Ali, B. Sridhar and B.C. Raju, 2013. New convenient approach for the synthesis of benzyl 2H-chromenones and their α-amylase Inhibitory, ABTS.+ scavenging activities. Med. Chem., 9: 806-811.
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12:   Kumar, S.P., T.H. Babu, V.R.S. Rao, A.K. Tiwari, J.M. Rao and K.S. Babu, 2013. Novel C-9, 9ٰ-O-Acyl esters of (-)-carinol as free-radical scavengers and xanthine oxidase enzyme inhibitors: Synthesis and biological evaluation. Med. Chem., 9: 100-103.
13:   Kumar, T.V., A.K. Tiwari, K.S. Babu, A. Robinson and R.S.C. Kumar et al., 2011. Synthesis and antiglycation potentials of Bergenin derivatives. Bioorg. Med. Chem. Lett., 21: 4928-4931.
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14:   Kumar, U.S., A.K. Tiwari, S.V. Reddy, P. Aparna, R.J. Rao, A.Z. Ali and J.M. Rao, 2005. Free-radical-scavenging and xanthine oxidase inhibitory constituents from Stereospermum personatum. J. Nat. Prod., 68: 1615-1621.
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15:   Kumar, U.S., A.K. Tiwari, S.V. Reddy, R.J. Rao, Z. Ali and J.M. Rao, 2002. Bioassay Guided Isolation of Free Radical Scavenging and Xanthin Oxidase Inhibitory Compounds from Stereospermum personatum, an Ayurvedic Medicinal Plant. In: Utilizations of Bioresources, Sree, A., Y.R. Rao, B. Nanda and V.N. Mishra (Eds.). Allied Publishers Pvt. Ltd., New Delhi-64, India, pp: 32-37.
16:   Kumbhare, R.M., U. Kosurkar, K.V. Kumar, T. Dadmal and A.K. Tiwari, 2010. Synthesis of multiple biologically active 1,2-dihydro-pyrimido [1,2-A]-benzimidazole-3-carbonitrile. Int. J. Appl. Biol. Pharm. Technol., 1: 729-735.
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17:   Mallur, S.G., A.K. Tiwari, B.C. Raju, K.S. Babu, A.Z. Ali, B.S. Sastry and J.M. Rao, 2007. Synthesis and evaluation of phenyl substituted sydnones as potential DPPH-radical scavengers. Ind. J. Chem., 46B: 1686-1689.
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18:   Misra, S., K.B. Pandeya, A.K. Tiwari, A.Z. Ali and T. Saradamani et al., 2011. Antihyperglycemic, α-glucosidase inhibitory and DPPH free radical scavenging activity of 5-bromosalicylaldehyde and schiff bases. Med. Chem. Res., 20: 1431-1437.
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19:   Misra, S., K.B. Pandeya, A.K. Tiwari, A.Z. Ali and T. Saradamani, 2011. α-Glucosidase inhibition and DPPH free radical scavenging by oxovanadium(IV)complexes of some tetradentate Schiff bases. J. Indian Chem. Soc., 88: 1195-1201.
20:   Misra, S., K.B. Pandeya, A.K. Tiwari, A.Z. Ali, T. Saradamani, S.B. Agawane and K. Madhusudana, 2012. α-Glucosidase inhibitory activities of some Oxovanadium (IV) complexes: Examples of low IC50 values. Int. J. Nutr. Metab., 4: 11-18.
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21:   Narasimhulu, M., K. Ashalatha, P.S. Laxmi, A.V. Sarma and B.R. Rao et al., 2010. An unusual novel anti-oxidant dibenzoyl glycoside from Salvinia natans. Nat. Prod. Res., 24: 1390-1394.
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22:   Pal-Bhadra, M., M.J. Ramaiah, T.L. Reddy, A. Krishnan and S.N.C.V.L. Pushpavalli et al., 2012. Plant HDAC inhibitor chrysin arrest cell growth and induce p21WAF1 by altering chromatin of STAT response element in A375 cells. BMC Cancer, Vol. 12. 10.1186/1471-2407-12-180.
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23:   Pullela, S.V., A.K. Tiwari, U.S. Vanka, A. Vummenthula and H.B. Tatipaka et al., 2006. HPLC assisted chemobiological standardization of α-glucosidase-I enzyme inhibitory constituents from Piper longum Linn-An indian medicinal plant. J. Ethnopharmacol., 108: 445-449.
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24:   Raju, B.C., A.K. Tiwari, J.A. Kumar, A.Z. Ali, S.B. Agawane, G. Saidachary and K. Madhusudana, 2010. α-Glucosidase inhibitory antihyperglycemic activity of substituted chromenone derivatives. Bioorg. Med. Chem., 18: 358-365.
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25:   Rao, R.J., U.S. Kumar, S.V. Reddy, A.K. Tiwari and J.M. Rao, 2005. Antioxidants and a new germacrane sesquiterpene from Carissa spinarum. Nat. Prod. Res., 19: 763-769.
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26:   Rao, R.R., A.K. Tiwari, P.P. Reddy, K.S. Babu and G. Suresh et al., 2012. Synthesis of antihyperglycemic, α-glucosidase inhibitory, and DPPH free radical scavenging furanochalcones. Med. Chem. Res., 21: 760-774.
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27:   Rao, R.R., A.K. Tiwari, P.P. Reddy, K.S. Babu, A.Z. Ali, K. Madhusudana and J.M. Rao, 2009. New furanoflavanoids, intestinal α-glucosidase inhibitory and free-radical (DPPH) scavenging, activity from antihyperglycemic root extract of Derris indica (Lam.). Bioorg. Med. Chem., 17: 5170-5175.
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28:   Rao, R.R., V.U. Sarma, S. Satyanarayanaraju, K.S. Babu, A.K. Tiwari and J.M. Rao, 2013. Inhibitory effects of derris indica derived constituents against advanced glycation end products and their simultaneous determination by HPLC. J. Liquid Chromatogr. Relat. Technol., 36: 1631-1645.
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29:   Rao, S.A., P.V. Srinivas, A.K. Tiwari, U.M.S. Vanka, R.V.S. Rao, K.R. Dasari and M.J. Rao, 2007. Isolation, characterization and chemobiological quantification of α-glucosidase enzyme inhibitory and free radical scavenging constituents from Derris scandens Benth. J. Chromatogr. B, 855: 166-172.
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30:   Reddy, P.P., A.K. Tiwari, R.R. Rao, K. Madhusudana and V.R.S. Rao et al., 2009. New labdane diterpenes as intestinal α-glucosidase inhibitor from antihyperglycemic extract of Hedychium spicatum (Ham. Ex Smith) rhizomes. Bioorg. Med. Chem. Lett., 19: 2562-2565.
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31:   Reddy, S.V., A.K. Tiwari, U.S. Kumar, R.J. Rao and J.M. Rao, 2005. Free radical scavenging, enzyme inhibitory constituents from antidiabetic Ayurvedic medicinal plant Hydnocarpus wightiana Blume. Phytother. Res., 19: 277-281.
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32:   Srinivas, P.V., A.K. Tiwari, T. Sreelatha, K.S. Babu, R.J. Rao and J.M. Rao, 2007. Isolation and Synthesis of µ-Glucosidase Inhibitor, (-) Epiafzelechin from Cassia marginata Roxb. In: Advances in Medicinal Plants, Reddy, K.J., B. Bahadur, B. Bhadraiah and M.L.N. Rao (Eds.). University Press Pvt Ltd., India, pp: 320.
33:   Srinivas, P.V., V. Anuradha, A.K. Tiwari and J.M. Rao, 2005. Research towards finding reasons for the traditional usage of pepper. J. Pepper Ind. Focus Pepper, 2: 21-26.
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34:   Suresh, G., A.K. Tiwari, M.R.K. Murthy, D.A. Kumar and K.R. Prasad et al., 2012. New advanced glycation end-products inhibitors from Dichrostachys cinerea Wight and Arn. J. Nat. Med., 66: 213-216.
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35:   Tiwari, A.K. and J.M. Rao, 2002. Diabetes mellitus and multiple therapeutic approaches of phytochemicals: Present status and future prospects. Curr. Sci., 83: 30-38.
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36:   Tiwari, A.K., 2001. Imbalance in antioxidant defense and human diseases: Multiple approach of natural antioxidants therapy. Curr. Sci., 81: 1179-1187.
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37:   Tiwari, A.K., 2003. Adverse effects of antioxidants. Curr. Sci., 85: 1111-1117.
38:   Tiwari, A.K., 2004. Antioxidants: New-generation therapeutic base for treatment of polygenic disorders. Curr. Sci., 86: 1092-1102.
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39:   Tiwari, A.K., 2005. Wisdom of ayurveda in perceiving diabetes: Enigma of therapeutic recognition. Curr. Sci., 88: 1043-1051.
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40:   Tiwari, A.K., 2006. Ayurveda will survive till Bharat breathes. Curr. Sci., 90: 1589-1590.
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41:   Tiwari, A.K., 2006. Panorama of Tuvarak Seed Hulls in Holistic Management of Diabetes. In: Chronic Inflammatory Diseases and Nutraceuticals (Molecular Mechanism of Chronic Diseases, New Targets and Basic Concepts of Ayurveda), Tripathi, Y.B. (Ed.). S.N. Tripathi Memorial Foundation, Varanasi, India.
42:   Tiwari, A.K., 2007. Karela: A promising antidiabetic vegetable therapy. Curr. Sci., 92: 1697-1701.
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43:   Tiwari, A.K., 2007. Lavender and tea-tree oils induced gynecomastia in prepubertal children warrants prudent use of herbal products. Curr. Sci., 93: 287-287.
44:   Tiwari, A.K., 2008. Diabetic epidemic: Consequences of luxury and wealth. Proceeding of the National Conference on Acharya Jagadish Chandra Bose and Ancient Indian Thought, December 21, 2008, Institute of Scientific Research on Vedas (ISERVE), Hyderabad, India, pp: 68-72.
45:   Tiwari, A.K., 2008. Invigorated barley in diabetes. Curr. Sci., 95: 25-29.
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46:   Tiwari, A.K., 2011. Diabetes: The Chronic Health Hazards of Non Organic Farming. In: Organic Farming, Singh, A. (Ed.). Chapter 20, Pointer Publishers, Jaipur, India, ISBN: 978-81-7132-667-1, pp: 241-247.
47:   Tiwari, A.K., 2011. Diabetes: The Chronic Health Hazards of Non Organic Farming. In: Organic Farming, Singh, A. (Ed.). Chapter 20. Pointer Publishers, Jaipur, India, pp: 241-247.
48:   Tiwari, A.K., 2011. Diabetes: Time to look beyond gluttony and laziness. Indian J. Community Med., 36: 253-258.
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49:   Tiwari, A.K., K.S. Reddy, J. Radhakrishnan, D.A. Kumar, A. Zehra, S.B. Agawane and K. Madhusudana, 2011. Influence of antioxidant rich fresh vegetable juices on starch induced postprandial hyperglycemia in rats. Food Funct., 2: 521-528.
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50:   Tiwari, A.K., M. Swapna, S.B. Ayesha, A. Zehra, S.B. Agawane and K. Madhusudana, 2011. Identification of proglycemic and antihyperglycemic activity in antioxidant rich fraction of some common food grains. Int. Food Res. J., 18: 915-923.
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51:   Tiwari, A.K., M.P. Kumar, D.A. Kumar, S.B. Agawane, K. Madhusudana and A. Zehra, 2012. Ayurvedic dietary formulations and postprandial glycemia in rats. Int. Food Res. J., 19: 765-773.
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52:   Tiwari, A.K., P.V. Srinivas, A.Z. Ali, T.H. Babu, K.J. Nehru, S.B. Agawane and J.M. Rao, 2007. Possibility of cost effective management of post prandial hyperglycemic excursion by some common spices. Indian J. Arecanut Spices Med. Plants, 9: 172-178.
53:   Tiwari, A.K., P.V. Srinivas, S.P. Kumar and J.M. Rao, 2001. Free radical scavenging active components from Cedrus deodara. J. Agric. Food Chem., 49: 4642-4645.
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54:   Tiwari, A.K., R.M. Kumbhare, S.B. Agawane, A.Z. Ali and K.V. Kumar, 2008. Reduction in post-prandial hyperglycemic excursion through α-glucosidase inhibition by β-acetamido carbonyl compounds. Bioorg. Med. Chem. Lett., 18: 4130-4132.
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55:   Tiwari, A.K., V. Viswanadh, P.M. Gowri, A.Z. Ali and S.V.S. Radhakrishnan et al., 2010. Oleanolic acid, an α-glucosidase inhibitory and antihyperglycemic active compound from the fruits of Sonneratia caseolaris. Open Access J. Med. Aromatic Plants, 1: 19-23.
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