All Stories

  1. GAS CHROMATOGRAPHY-MASS SPECTROMETRY ANALYSIS OF FOUR FRACTIONS FROM COMFREY ROOTS AND EVALUATION OF THEIR ANTIMICROBIAL ACTIVITY

    Article • Journal of IMAB - Annual Proceeding (Scientific Papers), November 2025, Journal of IMAB

    Assoc. Prof. Ivayla Nedyalkova Dincheva, Chief Assistant Prof. Nadezhda Traycheva Petkova

  2. Phytochemical and Nutritional Profile of Apricot, Plum-Apricot, and Plum Stones

    Article • Separations, August 2025, MDPI AG

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  3. Physicochemical, Functional, and Antibacterial Properties of Inulin-Type Fructans Isolated from Dandelion (Taraxacum officinale) Roots by “Green” Extraction Techniques

    Article • Applied Sciences, April 2025, MDPI AG

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  4. Metabolic Profile, Antioxidant, Antimicrobial, Contractile, and Anti-Inflammatory Potential of Moringa oleifera Leaves (India)

    Article • Life, April 2025, MDPI AG

    Assoc. Prof. Ivayla Nedyalkova Dincheva, Chief Assistant Prof. Nadezhda Traycheva Petkova

  5. SUPERFOODS AND MEDICINAL PLANTS - SOURCE OF SUGARS, INULIN AND LOW-MOLECULAR FRUCTANS

    Article • INTERNATIONAL SCIENTIFIC CONFERENCE - UNITECH, January 2025, Technical University of Gabrovo

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  6. Bioactive compounds of Carlina acanthifolia All. roots obtained by fractional extraction and their 3D fluorescence spectra

    Article • Opto-electronics, July 2024, Springer Science + Business Media

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  7. Editorial: Plant's bioactivity in modern health and diet: benefits, limitations and trendy application

    Article • Frontiers in Nutrition, March 2024, Frontiers

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  8. Extraction of Phycocyanin and Chlorophyll from Spirulina by “Green Methods”

    Article • Separations, February 2024, MDPI AG

    Dr. Velichka Y Andonova, Chief Assistant Prof. Nadezhda Traycheva Petkova

  9. Chemical Compositions, Pharmacological Properties and Medicinal Effects of Genus Passiflora L.: A Review

    Article • Plants, January 2024, MDPI AG

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  10. Organic vs. Conventional Farming of Lavender: Effect on Yield, Phytochemicals and Essential Oil Composition

    Article • Agronomy, December 2023, MDPI AG

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  11. Chemical Composition of Different Extracts from Echinacea purpurea (L.) Moench Roots and Evaluation of Their Antimicrobial Activity

    Article • ChemEngineering, October 2023, MDPI AG

    Assoc. Prof. Ivayla Nedyalkova Dincheva, Petko Denev, Chief Assistant Prof. Nadezhda Traycheva Petkova

  12. Comparative Study on Physicochemical, Antioxidant and Antimicrobial Properties of Propolis Collected from Different Regions of Bulgaria

    Article • Journal of Apicultural Science, June 2023, De Gruyter

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  13. Phytochemical Characterization of Purple Coneflower Roots (Echinacea purpurea (L.) Moench.) and Their Extracts

    Article • Molecules, May 2023, MDPI AG

    Petko Denev, Chief Assistant Prof. Nadezhda Traycheva Petkova

  14. Evaluation of the phytochemical profile of water mint (Mentha aquatica L.) from Bulgaria

    Article • January 2023, American Institute of Physics

    Chief Assistant Prof. Nadezhda Traycheva Petkova, Assoc. Prof. Ivayla Nedyalkova Dincheva

  15. Phytochemical composition of bittersweet (Solanum dulcamara L.) fruit from Bulgaria

    Article • January 2023, American Institute of Physics

    Dr Venelina Todorova Popova, Chief Assistant Prof. Nadezhda Traycheva Petkova

  16. Chemical composition, biological activities, and surface tension properties of Melissa officinalis L. essential oil

    Article • TURKISH JOURNAL OF AGRICULTURE AND FORESTRY, January 2023, The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS

    Assoc. Prof. Ivayla Nedyalkova Dincheva, Chief Assistant Prof. Nadezhda Traycheva Petkova

  17. Lavender (Lavandula angustifolia Mill.) industrial by-products as a source of polysaccharides

    Article • Industrial Crops and Products, November 2022, Elsevier

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  18. Chemical Characterization of Selected Algae and Cyanobacteria from Bulgaria as Sources of Compounds with Antioxidant Activity

    Article • Applied Sciences, October 2022, MDPI AG

    Dr. Velichka Y Andonova, Chief Assistant Prof. Nadezhda Traycheva Petkova

  19. Chemical Composition Assessment of Structural Parts (Seeds, Peel, Pulp) of Physalis alkekengi L. Fruits

    Article • Molecules, September 2022, MDPI AG

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  20. Chemical Composition, Antibacterial, Antiviral, Antioxidant, and Acetylcholinesterase Inhibitory Properties of Essential Oils from Carlina acanthifolia All. Roots

    Article • Journal of Essential Oil Bearing Plants, September 2022, Taylor & Francis

    Assoc. Prof. Ivayla Nedyalkova Dincheva, Chief Assistant Prof. Nadezhda Traycheva Petkova

  21. Bioactivity of Biomass and Crude Exopolysaccharides Obtained by Controlled Submerged Cultivation of Medicinal Mushroom Trametes versicolor

    Article • Journal of Fungi, July 2022, MDPI AG

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  22. Nutrient Constituents, Bioactive Phytochemicals, and Antioxidant Properties of Service Tree (Sorbus domestica L.) Fruits

    Article • Plants, July 2022, MDPI AG

    Petko Denev, Chief Assistant Prof. Nadezhda Traycheva Petkova

  23. Postharvest Biopreservation of Fresh Blueberries by Propolis-Containing Edible Coatings Under Refrigerated Conditions

    Article • Current Research in Nutrition and Food Science Journal, April 2022, Enviro Research Publishers

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  24. Studies on the Bulgarian members of the family Chenopodiaceae s. stricto: a review

    Article • BIORISK – Biodiversity and Ecosystem Risk Assessment, April 2022, Pensoft Publishers

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  25. Phytonutrient Composition of Two Phenotypes of Physalis alkekengi L. Fruit

    Article • Horticulturae, April 2022, MDPI AG

    Assistant Professor Samar Zuhair Alshawwa, Chief Assistant Prof. Nadezhda Traycheva Petkova

  26. Organic vs conventional farming of oil-bearing rose: Effect on essential oil and antioxidant activity

    Article • BIORISK – Biodiversity and Ecosystem Risk Assessment, April 2022, Pensoft Publishers

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  27. Antioxidant Activity and Chemical Characteristics of Sambucus nigra L. Blossom from Different Regions in Bulgaria

    Article • Horticulturae, April 2022, MDPI AG

    Dr. Velichka Y Andonova, Chief Assistant Prof. Nadezhda Traycheva Petkova

  28. Chemical Composition of Pinus nigra Arn. Unripe Seeds from Bulgaria

    Article • Plants, January 2022, MDPI AG

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  29. Bio-energy characteristics of black pine (Pinus nigra Arn.) hydrodistillation waste products

    Article • Journal of Energy Systems, December 2021, Journal of Energy Systems

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  30. Microwave-Assisted Synthesis of Lactose Acetates with Antimicrobial, Cytotoxic, and Antiviral Properties

    Article • Biointerface Research in Applied Chemistry, December 2021, AMG Transcend Association

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  31. Optical Properties and Antioxidant Activity of Water-Ethanolic Extracts from Sempervivum tectorum L. from Bulgaria

    Article • Horticulturae, November 2021, MDPI AG

    Dr. Velichka Y Andonova, Chief Assistant Prof. Nadezhda Traycheva Petkova

  32. Sonochemical Synthesis of Laurate Sucrose Ester as Bio-Based Plasticizer and Bio-Additive for PVC

    Article • Biointerface Research in Applied Chemistry, November 2021, AMG Transcend Association

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  33. Phytochemical composition of wild lemon balm (Melissa officinalis L.) from the flora of Bulgaria

    Article • Anatolian Journal of Botany, November 2021, Anatolian Journal of Botany

    Assoc. Prof. Ivayla Nedyalkova Dincheva, Chief Assistant Prof. Nadezhda Traycheva Petkova

  34. Waste Rose Flower and Lavender Straw Biomass—An Innovative Lignocellulose Feedstock for Mycelium Bio-Materials Development Using Newly Isolated Ganoderma resinaceum GA1M

    Article • Journal of Fungi, October 2021, MDPI AG

    Petko Denev, Chief Assistant Prof. Nadezhda Traycheva Petkova

  35. Phytochemical Composition and Antimicrobial Properties of Burdock (Arctium lappa L.) Roots Extracts

    Article • Biointerface Research in Applied Chemistry, August 2021, AMG Transcend Association

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  36. Nutritional composition of different cape gooseberry genotypes (Physalis peruviana L.) – a comparative study

    Article • Food Research, August 2021, Rynnye Lyan Resources

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  37. INVESTIGATION OF THE INFLUENCE OF ULTRAVIOLET LIGHT AND ULTRASOUND ON THE ANTIOXIDANT POTENTIAL, PHENOLIC CONTENT, AND STRUCTURAL-MECHANICAL PROPERTIES OF PEAR JAM ENRICHED WITH FIBERS

    Article • Journal of Microbiology Biotechnology and Food Sciences, August 2021, Slovak University of Agriculture in Nitra

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  38. Comprehensive Evaluation of Late Season Peach Varieties (Prunus persica L.): Fruit Nutritional Quality and Phytochemicals

    Article • Molecules, May 2021, MDPI AG

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  39. Structural study of a pectic polysaccharide fraction isolated from “mountain tea” (Sideritis scardica Griseb.)

    Article • Carbohydrate Polymers, May 2021, Elsevier

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  40. Impact of In Vitro Gastrointestinal Digestion on the Bioaccessibility of Phytochemical Compounds from Eight Fruit Juices

    Article • Molecules, February 2021, MDPI AG

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  41. Comparative Study of Early- and Mid-Ripening Peach (Prunus persica L.) Varieties: Biological Activity, Macro-, and Micro- Nutrient Profile

    Article • Foods, January 2021, MDPI AG

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  42. Ultrasound-Assisted Synthesis of Antimicrobial Inulin and Sucrose Esters with 10-Undecylenic Acid

    Article • Biointerface Research in Applied Chemistry, January 2021, AMG Transcend Association

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  43. Physicochemical properties and sensory evaluation of early ripening peach and nectarine varieties

    Article • Journal of Central European Agriculture, January 2021, Journal of Central European Agriculture

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  44. Influence of Organic Fertilization on Nutritional Characteristics and Antioxidant Capacity of Melon Fruits

    Article • Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca Food Science and Technology, November 2020, AcademicPres (EAP) Publishing House

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  45. Investigation of the Influence of Calcium Salts and Gelling Time on the Structural Mechanical Properties of Fruit Jam

    Article • Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca Food Science and Technology, November 2020, AcademicPres (EAP) Publishing House

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  46. Phytonutrients and Antioxidant Activity of Extracts from Five Edible Flowers Used in Culinary

    Article • Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca Food Science and Technology, November 2020, AcademicPres (EAP) Publishing House

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  47. The Effect of Starch and Amidated Pectin on Rheological Behavior of Iota-Carrageenan Gels

    Article • Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca Food Science and Technology, November 2020, AcademicPres (EAP) Publishing House

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  48. Chemical composition and biological activity of pennyroyal (Mentha pulegium L.) grown in Turkey

    Article • November 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Assoc. Prof. Ivayla Nedyalkova Dincheva, Chief Assistant Prof. Nadezhda Traycheva Petkova

  49. Phytochemical composition of Нelichrysum arenarium (L.) Moench essential oil (aerial parts) from Turkey

    Article • Ukrainian Food Journal, October 2020, National University of Food Technologies

    Assoc. Prof. Ivayla Nedyalkova Dincheva, Chief Assistant Prof. Nadezhda Traycheva Petkova

  50. Comparative Study on the Phytochemical Composition and Antioxidant Activity of Grecian Juniper (Juniperus excelsa M. Bieb) Unripe and Ripe Galbuli

    Article • Plants, September 2020, MDPI AG

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  51. Ultrasound-Assisted Extraction of Chlorophylls and Phycocyanin from Spirulina platensis

    Article • Biointerface Research in Applied Chemistry, September 2020, AMG Transcend Association

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  52. Design of Labneh cheese fortified with alginate-encapsulated pepper (Capsicum annuum) extracts

    Article • Emirates Journal of Food and Agriculture, September 2020, Pensoft Publishers

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  53. Phytochemical Composition of Salvia candidissima Vahl. ssp. occidentalis From Turkey

    Article • Journal of Essential Oil Bearing Plants, July 2020, Taylor & Francis

    Assoc. Prof. Ivayla Nedyalkova Dincheva, Chief Assistant Prof. Nadezhda Traycheva Petkova

  54. TEXTURAL AND SENSORY PROPERTIES OF FALSE ACACIA (ROBINIA PSEUDOACACIA L.) JELLIES WITH FUNCTIONAL COMPONENTS

    Article • Carpathian Journal of Food Science and Technology, June 2020, Technical University of Cluj Napoca

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  55. Phytochemical, nutritional and antioxidant characteristics of whitebeam (Sorbus aria) fruits [pdf]

    Article • Acta Scientiarum Polonorum Technologia Alimentaria, June 2020, Uniwersytet Przyrodniczy w Poznaniu (Poznan University of Life Sciences)

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  56. Phytochemical, nutritional and antioxidant characteristics of whitebeam (Sorbus aria) fruits

    Article • Acta Scientiarum Polonorum Technologia Alimentaria, June 2020, Uniwersytet Przyrodniczy w Poznaniu (Poznan University of Life Sciences)

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  57. EFFECT OF PRESSURE LIQUID EXTRACTION AND ULTRASONIC IRRADIATION FREQUENCY ON INULIN, PHENOLIC CONTENT AND ANTIOXIDANT ACTIVITY IN BURDOCK (Arctium lappa L.) ROOTS

    Article • Acta Scientiarum Polonorum Hortorum Cultus, June 2020, Uniwersytet Przyrodniczy w Lublinie

    Dr Ivan Georgiev Ivanov, Chief Assistant Prof. Nadezhda Traycheva Petkova

  58. Bioactive compounds in water extracts prepared from rosehip‐containing herbal blends

    Article • Journal of Food Processing and Preservation, June 2020, Wiley

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  59. Ultrasound-Assisted Method for the Synthesis of Tertiary Fatty Aliphatic Esters with Potential Antimicrobial Activity

    Article • Biointerface Research in Applied Chemistry, May 2020, AMG Transcend Association

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  60. Red Beetroot Juice Phytochemicals Bioaccessibility: an In Vitro Approach

    Article • Polish Journal of Food and Nutrition Sciences, February 2020, Institute of Animal Reproduction and Food Research of the Polish Academy of Sciences

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  61. Structural, rheological and functional properties of galactose-rich pectic polysaccharide fraction from leek

    Article • Carbohydrate Polymers, February 2020, Elsevier

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  62. Evaluation of chemical composition, antioxidant potential and functional properties of carob (Ceratonia siliqua L.) seeds

    Article • Journal of Food Science and Technology, January 2020, Springer Science + Business Media

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  63. Physicochemical Characterization and Antimicrobial Properties of Inulin Acetate Obtained by Microwave-Assisted Synthesis

    Article • JOURNAL OF RENEWABLE MATERIALS, January 2020, Computers, Materials and Continua (Tech Science Press)

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  64. Application of the Principles of “Green Chemistry” for the Synthesis of 10-Undecylenic Aliphatic Esters with Antimicrobial Activity

    Article • JOURNAL OF RENEWABLE MATERIALS, January 2020, Computers, Materials and Continua (Tech Science Press)

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  65. Nutritional Value and Functional Properties of Sponge Cakes

    Article • December 2019, Prof. Marin Drinov Academic Publishing House

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  66. Fructans and antioxidants in leaves of culinary herbs from Asteraceae and Amaryllidaceae families

    Article • Food Research, February 2019, Rynnye Lyan Resources

    Dr Ivan Georgiev Ivanov, Chief Assistant Prof. Nadezhda Traycheva Petkova

  67. Phytochemical compounds of anise hyssop (Agastache foeniculum) and antibacterial, antioxidant, and acetylcholinesterase inhibitory properties of its essential oil

    Article • Journal of Applied Biology & Biotechnology, February 2019, Journal of Applied Pharmaceutical Science

    Dr Ivan Georgiev Ivanov, Assoc. Prof. Ivayla Nedyalkova Dincheva, Chief Assistant Prof. Nadezhda Traycheva Petkova

  68. Biopreservation of Fresh Strawberries by Carboxymethyl Cellulose Edible Coatings Enriched with a Bacteriocin from Bacillus methylotrophicus BM47

    Article • Food Technology and Biotechnology, January 2019, Food Technology and Biotechnology Journal

    Chief Assistant Prof. Nadezhda Traycheva Petkova, Dr Ivan Georgiev Ivanov

  69. Structural-mechanical characteristics of fruit jam enriched with fibers

    Article • January 2019, American Institute of Physics

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  70. CHARACTERIZATION OF INULIN FROM BLACK SALSIFY (SCORZONERA HISPANICA L.) FOR FOOD AND PHARMACEUTICAL PURPOSES

    Article • Asian Journal of Pharmaceutical and Clinical Research, December 2018, Innovare Academic Sciences Pvt Ltd

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  71. Improvement of antioxidant potential of wheat flours and breads by addition of medicinal plants...

    Article • Ukrainian Food Journal, December 2018, National University of Food Technologies

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  72. Carotenoids, tocopherols, organic acids, charbohydrate and mineral content in different medicinal plant extracts

    Article • Zeitschrift für Naturforschung C, November 2018, De Gruyter

    Dr Ivan Georgiev Ivanov, Dasha Mihaylova, Chief Assistant Prof. Nadezhda Traycheva Petkova

  73. OPTICAL PROPERTIES AND CHEMICAL CHARACTERIZATION OF WOODY SYRUP BY USING METHODS OF APPLIED PHOTONICS

    Article • Journal of IMAB - Annual Proceeding (Scientific Papers), November 2018, Journal of IMAB

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  74. Effects on the quality and health-enhancing properties of industrial onion waste powder on bread

    Article • Journal of Food Science and Technology, October 2018, Springer Science + Business Media

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  75. Determination of chemical composition, antibacterial and antioxidant properties of products obtained from carob and honey locust

    Article • Turkish Journal of Biochemistry, October 2018, De Gruyter

    Chief Assistant Prof. Nadezhda Traycheva Petkova, Dasha Mihaylova

  76. Isolation and Characterization of Pectic Polysaccharide Fraction from In Vitro Suspension Culture of Fumaria officinalis L.

    Article • International Journal of Polymer Science, October 2018, Hindawi Publishing Corporation

    Dr Ivan Georgiev Ivanov, Chief Assistant Prof. Nadezhda Traycheva Petkova

  77. ANTIOXIDANT ACTIVITY AND MINERAL CONTENT OF ROCKET (ERUCA SATIVA) PLANT FROM ITALIAN AND BULGARIAN ORIGINS

    Article • Journal of Microbiology Biotechnology and Food Sciences, October 2018, Slovak University of Agriculture in Nitra

    Dr Ivan Georgiev Ivanov, Chief Assistant Prof. Nadezhda Traycheva Petkova

  78. Study of onion processing waste powder for potential use in food sector

    Article • Acta Alimentaria, June 2018, Akademiai Kiado

    Prof. Tsvetko TP Prokopov, Chief Assistant Prof. Nadezhda Traycheva Petkova

  79. GC-MS characterization of n-hexane soluble fraction from dandelion (Taraxacum officinale Weber ex F.H. Wigg.) aerial parts and its antioxidant and antimicrobial properties

    Article • Zeitschrift für Naturforschung C, January 2018, De Gruyter

    Dr Ivan Georgiev Ivanov, Chief Assistant Prof. Nadezhda Traycheva Petkova, Assoc. Prof. Ivayla Nedyalkova Dincheva

  80. “Green” Synthesis of Sucrose Octaacetate and Characterization of Its Physicochemical Properties and Antimicrobial Activity

    Article • Chemical and Biochemical Engineering Quarterly, January 2018, Croatian Society of Chemical Engineers/HDKI

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  81. Microwave Synthesis of Inulin Acetate as Potential Bio-Based Additive for Poly(Vinyl Chloride)

    Article • JOURNAL OF RENEWABLE MATERIALS, January 2018, Computers, Materials and Continua (Tech Science Press)

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  82. Microwave-Assisted Isolation and Acetylation of Inulin from Helianthus Tuberosus L Tubers

    Article • JOURNAL OF RENEWABLE MATERIALS, January 2018, Computers, Materials and Continua (Tech Science Press)

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  83. Plant In Vitro Systems as Sources of Food Ingredients and Additives

    Article • January 2018, Springer Science + Business Media

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  84. Ultrasound and Microwave-Assisted Extraction of Elecampane (Inula helenium) Roots

    Article • Natural Product Communications, February 2017, SAGE Publications

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  85. Antioxidants and carbohydrate content in infusions and microwave extracts from eight medicinal plants

    Article • Journal of Applied Biology & Biotechnology, January 2017, Journal of Applied Pharmaceutical Science

    Dr Ivan Georgiev Ivanov, Chief Assistant Prof. Nadezhda Traycheva Petkova

  86. Synthesis of Carboxymethyl Chitosan and its Rheological Behaviour in Pharmaceutical and Cosmetic Emulsions

    Article • Journal of Applied Biology & Biotechnology, January 2017, Journal of Applied Pharmaceutical Science

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  87. CARBOHYDRATE CONTENT IN BULGARIAN AND TURKISH CAROB PODS AND THEIR PRODUCTS

    Article • CBU International Conference Proceedings, September 2016, Central Bohemia University

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  88. COMPARATIVE CHARACTERIZATION OF POSSIBILITIES OF USING LOW-ESTERIFIED AND AMIDATED PECTIN IN FERMENTED DAIRY PRODUCTS

    Article • Journal of Microbiology Biotechnology and Food Sciences, August 2016, Slovak University of Agriculture in Nitra

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  89. Ultrasound-Assisted Synthesis of Sucrose and Fructooligosaccharides Esters as Bio-Plasticizers

    Article • JOURNAL OF RENEWABLE MATERIALS, February 2016, Computers, Materials and Continua (Tech Science Press)

    Chief Assistant Prof. Nadezhda Traycheva Petkova

  90. Flower heads of Onopordum tauricum Willd. and Carduus acanthoides L. - source of prebiotics and antioxidants

    Article • Emirates Journal of Food and Agriculture, January 2016, Faculty of Food and Agriculture, United Arab Emirates University

    Chief Assistant Prof. Nadezhda Traycheva Petkova