Nutrient Status and Fungal Spoilage of Jansa Seed (Cussonia barteri).

Authors

  • Chuku, E. C. Author
  • Agbagwa, S. S. Author
  • Emiri, U. N. Author

Abstract

Studies on the nutrient status and fungal spoilage of Jansa (Cussonia barteri) were carried out in the Department of Plant Science and Biotechnology, Rivers State University, Port Harcourt. Jansa samples were obtained from fruit garden market, Port Harcourt. The Association of Official Analytical Chemists (AOAC) was adopted for determining proximate, minerals, vitamin and anti-nutrient. The laboratory cultural method was adopted for the isolation of spoilage fungi associated with spoilt Jansa seed. Proximate evaluation revealed the presence of moisture, ash, lipid, fibre, carbohydrate, and protein. Although, highest value (23.4±0.16%) was recorded for moisture while fibre recorded lowest value (2.3±0.24%). Mineral investigation showed the availability of calcium, iron, magnesium, phosphorus, potassium and sodium. However, highest mineral value was seen for calcium (185.33±0.47mg/100g) whereas iron recorded lowest value (6.16±0.84 mg/100g). Vitamin A (4.86±0.26 mg/100g) and thiamine (0.32±0.01 mg/100g) were the vitamins found in Jansa. Anti-nutrient screening revealed glucoside, oxalate, saponin, tannin, polyphenol, flavonoid and lignant to be present in Jansa. Two fungal organisms (Candida sp and Penicillium sp) were isolated from spoilt Jansa with Candida having the highest percentage incidence (80%). Penicillium recorded lower percentage incidence (20%). Generally, Jansa has valuable nutrients and anti-nutrients. The foregoing notwithstanding, it is still prone to fungal contamination.  

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Published

2025-07-06

How to Cite

Nutrient Status and Fungal Spoilage of Jansa Seed (Cussonia barteri). (2025). Nigerian Journal of Oil and Gas Technology, 4(2), 131-137. https://rsustnjogat.org/ojs/index.php/home/article/view/133