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Professor Gulelat D Haki


Professor Gulelat D Haki

Head of Department

Faculty of Agriculture
Department of Food Science and Technology

P/Bag 0027, Gaborone Botswana




Doctor of Technical Sciences



Asian Institute of Technology, Bangkok, Thailand: Specializing in Post-harvest and Food Process Engineering

The qualification is recognized by Botswana Qualification Authority (BQA) as a Doctoral Degree at NCQF Level 10 on 14/12/2017






Sofia University, Bulgaria: Specializing in Biochemistry







Addis Ababa University, Ethiopia: Specializing in Chemistry



May 2020

Moodle instructor training, Organised by Botswana University of Agriculture and Natural Resources



January 2018

Moderator Training, Radiant Assessment Centre.  Organised by Botswana University of Agriculture and Natural Resources, Gaborone, Botswana.



December 2017

Assessors Training, Radiant Assessment Centre.  Organised by Botswana University of Agriculture and Natural Resources. Gaborone, Botswana.



June 2017

Training of Trainers (ToT) course. Core knowledge quality training and consultants. Organised by Botswana University of Agriculture and Natural Resources. Gaborone, Botswana.





ELB 412: Food Engineering

FSB 411:  Edible Oils and Fats Technology

FSB 421: Food Product Development and Evaluation

FSB 222/227: Sanitation and Waste Management

Research Interest Areas

  • Enzyme Technology
  • Food Processing and Food Product Development
  • Edible oils and Fats
  • Fermentation technology and traditional foods
  • Food fortification and complementary foods
  • Sanitation and Waste Management

Selected Publications and Patents

Kobue-Lekalake RI, Matenanga OK, Sekwati-Monang B, Tibe O, Bultosa G, Seifu E, Molapisi M, Batlhophi MG, Gwamba J, Sonno K, Mokhawa G, Phakama T, Setlhoka MD and Haki GD (2022). Indigenous and under-utilised oil seeds of Botswana: proximate composition, phytochemical screening and antioxidant activity. Int J Pharm Sci & Res; 13(10): 4093-01. doi: 10.13040/IJPSR.0975-8232.13(10).4093-01.


Engeda Dessalegn, Geremew Bultosa, Gulelat Desse Haki, F. Chen & H. P. Vasantha Rupasinghe (2022). Antioxidant and cytotoxicity to liver cancer HepG2 cells in-vitro of Korarima (Aframomum corrorima (Braun) P.C.M. Jansen) seed extracts. International Journal of Food Properties, 25:1, 1-10, DOI: 10.1080/10942912.2021.2019268.


Tesfaye Deme, Gulelat D. Haki, Nigussie Retta, Ashagrie Woldegiorgis, Mulatu Geleta, Hinsta Mateos, Paul A. Lewandowski (2021). Sterols as a biomarker in tracing niger and sesame seeds oils adulterated with palm oil. Heliyon, 7  e06797.


Gulelat D. Haki, Alfredo J. Aneceno, and Sudip K. Rakshit. (2008). A typical Ca2+ independent, raw-starch hydrolyzing α-amylase from Bacillus sp. GRE 1: Characterization and gene isolation. World Journal of Microbiology and Biotechnology, 24: 2517-2524.


G.D. Haki and S. K. Rakshit (2003). Developments in industrially important thermostable enzymes: a review. Bioresources Technology, 89(1): 17-34.

(Selected among Science Direct TOP25 Hottest articles in the subject Area Energy, January 2005).


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