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Prof. Hudson N. Nyambaka

Professor, Department of Chemistry

Home School of Pure & Applied Sciences Department of Chemistry Prof. Hudson N. Nyambaka

Prof. Hudson N. Nyambaka

Professor, Department of Chemistry

Academic Qualifications

Analytical Chemistry : chromatographic procedures for micronutrient analysis, spectrometric procedures for trace metal analysis
Food Chemistry : analysis of micro- and macro-nutrients; food processing procedures and their effects on nutritional and sensory values; bioavailability and bioconversion of micronutrients; food formulations and their impact on vulnerable groups such as people living with HIV and AIDS, non-communicable diseases (NCDs) and children in harsh conditions; aflatoxin, anti-nutrient and contaminant studies in foods
Environmental analysis : impact of heavy metals, organics and pesticide degradation in environment

Refereed Journal Articles

  1. Anyango, BA, Nawiri, P Nyambaka, H Andala D (2020). Impact of Ph on Cr (VI) Ions Remediation from Contaminated Water Using Endo Saponin-Chitosan-Zeolite-Metal Oxide Nanocomposite. International Journal of Progressive Sciences and Technologies 22 (2), 244-250
  2. Lubeka, C., Kimiywe, J., & Nyambaka H. (2020). Impact of school garden on dietary diversity and micronutrient level of pre-school children in Makueni County –Kenya. Research Journal of Food Science and Nutrition 5 (4), 85-97
  3. Karanja K Elias, Murungi I Jane, Nyambaka, N Hudson (2020). Dithiocarbamate Fungicides and Ethylenethiourea Residue Levels in Tomato and Sweet Pepper from Markets: Kirinyaga and Nairobi Counties, Kenya. The International Journal of Science & Technoledge 8 (9)
  4. Ondora, OM Gikonyo, NK Nyambaka HN (2020). Macroscopic and microscopic features of diagnostic value for Warburgia ugandensis Sprague leaf and stem-bark herbal materials. Jo urnal of Pharmacognosy and Phytotherapy 12 (2), 36-43
  5. Wakhanu, J Nyambaka, H Nawiri, M Kimiywe, J Thagana W (2020) Nutrition-Sensitive Intervention with African Indigenous Leafy Vegetables among School-Going Children in Machakos County, Kenya. Journal of Medicinally Active Plants 9 (3), 111-125
  6. Ngorwe, E.N., Nawiri, M., Murungi, J., Nyambaka, H. and Ongera, T. (2020) Effects of nanofertilizers on Cd and Pb uptake in kales grown in medially polluted experimental soil. Journal of Applied Chemistry (IOSR-JAQC) Vol 13(5), 55-68
  7. Onyambu MO, Gikonyo NK, Nyambaka HN and Thoithi GN (2019) A Review of Trends in Herbal Drugs Standardization, Regulation and Integration to the National Healthcare Systems in Kenya and the Globe. Int J Pharmacogn Chinese Med ISSN: 2576-4772 3(3), 1-13.
  8. John Wakhanu , Hudson Nyambaka , Judith Kimiywe , Mildred Nawiri and Wilson M. Thagana (2019). Consumption of African Indigenous Vegetables Improves Children’s body Fat Free Mass in Machakos County, Kenya. Journal of Food Science and Engineering 9 (2019) 305-317. doi: 10.17265/2159-5828/2019.08.002
  9. Echessa AC, Nyambaka Hudson, Changamu Evans (2019). Ameliorating Sisal Leaf Wastes in Purveying Plant Macronutrients. International Journal of Research and analytical Reviews, 6 (4), 87-93.
  10. N George, N Mildred, N Hudson (2019). Health Risk Assessment on Selected Essential and Non-Essential Elements in Food Crops Grown in Kibera Slum, Nairobi-Kenya. Food and Nutrition Sciences 10 (6), 635-647
  11. A.A Akumu, H Nyambaka, S.P Kuate, B Torto (2018). Characterization of flavonoids from candidate striga grass in controlling diet legumes Cicer arietinum and Vigna radiata Biofarmasi Journal of Natural Product Biochemistry 16 (2), 83-98
  12. Nderitu S. M, Nawiri M.P, Nyambaka H.N (2018). Fortification of sunflower and palm oils using beta carotene extracted from asystasia mysorensis and solanum nigrum Food Research Journal 1-2.
  13. Mungai, Z. M., Nawiri, M. P. and Nyambaka, H. N. (2017). Retention levels of vegetable extractable beta-carotene preserved in virgin coconut oil and unadulterated honey. Food Research 1 (5): 170 – 175.
  14. Obumba M. O., Nawiri M. P and Nyambaka H. N (2017). Effect of storage on lutein levels of smooth cayenne (Ananas comosus) grown in different counties of Kenya. African Journal of Food Science, 11 (6), 178-182
  15. Nawiri M.P., Nyambaka H.N. and Mobegi E. ((2017). Levels fo Polycyclic Aromatic Hydrocarbons in Water from Nairobi River, Nairobi County-Kenya. The International Journal of Science & Technoledge, 5(5), 14-18.
  16. Shisia K. Silvanus, Naumih N., Nyambaka H, Andala D.M (2016). Efficiency of Fabricated CNT-IPSF/Fe3O4 Nanocomposites in Removal of Phenanthrenes from Contaminated Water. International Journal of Scientific & Technology Research, 5 (9), 83-92
  17. Mobegi Erick K, Nyambaka Hudson N and Nawiri Mildred P (2016). Physico-chemical Characteristics and Levels of Polycyclic Aromatic Hydrocarbons in Untreated Water from Ngong River, Kenya. Journal of Pollution Effects & Control 4(2), 1-4 doi:10.4172/2375-4397.1000163
  18. J. Y. Jr. Hena, D. M. Andala , H. N. Nyambaka1 and M. P. Nawiri (2016) Carotenoid Levels, Total Phenolic Content and Antioxidant Activity Variations in Varieties of Citrullus lanatus under Storage at Room Temperature. International Journal of Biochemistry Research & Review 9(3)
  19. Wakhanu A. John, Kimiywe Judith, Nyambaka Hudson (2016) Oxalate Levels in Selected African Indigenous Vegetable Recipes from the Lake Victoria Basin, Kenya. International Journal of Agriculture and Environmental Research, 1(2) 88-105
  20. Kamau, T., Nyambaka, H.N and Nawiri, M.P (2015). Understanding Geophagic Practice as a Source of Mineral Nutrients and Toxicants. International Journal of Modern Chemistry and Applied Science 2(4), 208-210

Conference Papers

  1. Nyambaka H. N., Obumba M. O. and Nawiri M. P. Effect of storage on lutein levels in smooth cayenne (Ananas comosus) grown in Kenya. Pan Africa Chemistry Network Congress 2017, held on 7-9th November 2017 in Accra Ghana
  2. Muturi S.N, Nawiri, M.P and Nyambaka, H.N. Retention of extractable beta carotene from indigenous vegetables Asystasia mysorensis and Solanum nigrum in sunflower and palm oils 10th Kenya Chemical Society International Conference held on 9th -12th May 2017 at the United States International University (USIU)-Africa. (Awarded Royal Society of Chemists (RSC) poster winners’ prize)
  3. Basweti K.J, Nawiri, M.P and Nyambaka, H.N. levels of polyclic aromatic hydrocarbons in water, sediment and soil from a section of River Nzoia, Kakamega County-Kenya, 10th Kenya Chemical Society International Conference held on 9th -12th May 2017 at the United States International University (USIU)-Africa. (Awarded RSC poster winners’ prize)
  4. Nyambaka H, Mbakaya CFL, Bwete V, Maseta E, Waudo J and Nambafu R (2016): “Use of Indigenous Food Formulation in the Management of HIV and AIDS Patients in Kenya”, 5th European Nutrition and Dietetics Conference held on June 16-18, 2016 in Rome Italy.
  5. Nawiri, MP, Hena JY Jr, Andala, DM and Nyambaka HN (2016): “Carotenoid levels, Total Phenolic Content and Antioxidant Activity Variations in Varieties of Citrullus lanatus Under Storage at Room Temperature”, Humboldt “Kolleg” 2016 Held in Naivasha, Kenya April 6 – 8, 2016.
  6. Nawiri M.P, Hena, J., Andala, D.M and Nyambaka, H.N “Storing fruits of solanum lycopersicum at room temperature affects carotenoid levels, total phenolic content and antioxidant activity. NIMR 30th Annual Joint Scientific Conference 4th-6th October, 2016 Julius Nyerere International Convection, Tanzania.
  7. Nawiri MP, Hena JY Jr, Andala DM and Nyambaka HN (2016): “Storage Effects on Levels of Carotenoids, Total Phenolics and Antioxidant Activity in Lycopersicon esculentum And Citrullus lanatus Grown in Mwea, Kenya”, 4th African Food and Nutrition Forum in Ethiopia
  8. Nyambaka Hudson (2015). “Environmental Exposure and Feeding Habits Affects Lead Levels in Human Blood in Kenya” Presented at the 8th International Kenya Chemical Society Conference held on May 5-8, 2015 at the University of Nairobi, Kenya
  9. Nawiri, MP, Nyambaka HN and Aywa K “The nutrient content in colored varieties of Ipomea batatas grown in Vihiga, Kenya. Conference on Trends and opportunities in the production, processing and consumption of staple food crops in Kenya, held at the Intercontinental Hotel, Nairobi on 25th-26th April 2013.
  10. Nawiri M.P., Nyambaka, H. and Aywa, K. “Nutrient content in colored varieties of ipomeabatatas”. Kenya DAAD Scholar’s Association Conference held at Egerton University on 15th-16th November 2012.