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Research Article Open access CC BY 4.0

Determination of Starch and Cyanide Contents of Different Species of Fresh Cassava Tuber in Abia State, Nigeria

O. R. Ezeigbo, C. F. Ukpabi, C. A. Ike-Amadi, M. U. Ekaiko

Biotechnology Journal International · pp. 10–15 · Published 14 Jan 2015

10.9734/BBJ/2015/15297

Abstract

This investigation aimed at determining the cyanide and starch contents of different species of cassava grown in Abia State. Samples of cassava tubers were purchased from the local market and identified by a taxonomist from the National Root Crops Research Institute, Umudike, Abia State. In this study, the cyanide levels obtained were less than 100 mg/kg for both sweet and bitter cassava. The lower concentration of cyanide obtained from this survey, could have been influenced by the season of harvest (rainy season) in Nigeria. Of the six species analyzed, “0581” recorded the highest in cyanide content with 62.57 ± 0.10 mg/kg, followed by “30211” with 59.55 ± 0.19 mg/kg. Sweet cassava (0505) recorded the least with 36.65 ± 0.16 mg/kg cyanide. On the starch content, 21.70 ± 0.10% was obtained from “30572”, followed by “8083” with 20.62 ± 0.11% and “30211” had the least starch content with 17.48 ± 0.02%. Both Starch (%) and HCN (mg/kg) are statistically significant (p-value < 0.001) in the means for the various species of cassava under study. However, from the posthoc test, there is no significant difference between species 30211 and 0581. The other species are significantly different at 5% level. However, all the species of cassava tested had cyanide above the recommended level (10 mg/kg). Consumption of these cassava species unprocessed/inadequately processed would lead to serious health challenges and therefore, efforts are required to reduce cyanide content at least to the recommended level.

Cassava tubers Starch Cyanide Abia State

References (13)

  1. 1 Analytical Chemistry of Foods [DOI]
  2. 2 Processing of cassava roots to remove cyanogens [DOI]
  3. 3 Strategies for elimination of cyanogens from cassava for reducing toxicity and improving food safety [DOI]
  4. 4 Tropical calcific pancreatitis: Strong association with SPINK1 trypsin inhibitor mutations [DOI]
  5. 5 Purification, Characterization, and Localization of Linamarase in Cassava [DOI]
  6. 6 Biochemical changes in cassava products (flour & gari) subjected to Saccharomyces cerevisae solid media fermentation [DOI]
  7. 7 Starch production technology
  8. 8 Health Implications of Cassava Production and Consumption
  9. 9 Recurrence of konzo in southern Tanzania: Rehabilitation and prevention using the wetting method [DOI]
  10. 10 FATAL AND NON-FATAL ACUTE POISONING ATTRIBUTED TO CASSAVA-BASED MEAL [DOI]
  11. 11 Acute toxicity of cassava mill effluent to the African catfish fingerlings [DOI]
  12. 12 Microbial load and Microflora of Cassava (Manihot esculenta Crantz) and effect of Cassava Juice on some food borne pathogens [DOI]
  13. 13 Trade policy and food and nutrition security, Background paper prepared for The State of Agricultural Commodity Markets 2015–16. Rome, FAO.

Cited by 6

Quantitative Estimation of Hydrogen Cyanide in Fresh and Cooked Tuber Parenchyma (Pulp) of Three Cultivars of Sweet Cassava Cultivars Grown in Some Parts of Benue State, Nigeria

Simon Terver Ubwa, Sunday Ogakwu Adoga, Raymond Lubem Tyohemba · Food and Nutrition Sciences · 2015

The effect of reducing cyanide level in bitter cassava (Manihot Esculenta Crantz) on the starch content

Arfiathi, Riska Sumirat, Intan Rizka Gumilang · AIP Conference Proceedings · 2024

Evaluation of Resistance of Cassava Half-Sib Progenies to Cassava Mosaic Disease and Their Agronomic Performances in Western Kenya

Eric Mpongolo Musungayi, Kahiu Ngugi, James Wanjohi Muthomi · Journal of Agricultural Science · 2018

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