CHEMICAL ANALYSIS AND ANTINUTRITIONAL VALUE OF SELECTED INBRED LINES OF GROUNDNUT (ARACHIS HYPOGAEA L.)
DOI:
https://doi.org/10.47743/jemb-2026-268Keywords:
Groundnut, Nutrients, phytic acid, oxalate, proximate analysis, safe and nutritious foodAbstract
This study assesses the proximate composition and anti-nutritional profiles of three groundnut (Arachis hypogaea L.) breeding lines: (SAMNUT-26×ICGV-91328, SAMNUT-23×ICGV-91324, and SAMNUT-24×ICGV-91328). Seed samples of these hybrid lines were obtained from the Seed Centre at the College of Agronomy, Joseph Sarwuan Tarka University, Makurdi, Nigeria. Standard analytical methods were employed to determine moisture, ash, crude fibre, lipid, protein, carbohydrate contents, and selected anti-nutritional parameters, including phytic acid, oxalate, and cyanide levels. Moisture content varied from 6.29% in SAMNUT-23×ICGV-91324 to 7.05% in SAMNUT-26×ICGV-91328. Ash content ranged between 3.26% and 4.50%, with SAMNUT-23×ICGV-91324 exhibiting the highest value. Fibre content was relatively stable, with a narrow range of 2.91%–3.14%. Lipid concentration was highest in SAMNUT-26×ICGV-91328 (47.00%) and lowest in SAMNUT-23×ICGV-91324 (46.12%). The highest protein content (22.85%) was recorded in SAMNUT-24×ICGV-91328, while carbohydrate content peaked at 18.37% in SAMNUT-23×ICGV-91324. Regarding anti-nutritional factors, SAMNUT-23×ICGV-91324 had significantly higher cyanide levels (5.10 mg/100g) compared to the other two lines (P < 0.05), followed by SAMNUT-24×ICGV-91328 (4.63 mg/100g) and SAMNUT-26×ICGV-91328 (2.56 mg/100g). Similarly, the highest oxalate concentration was observed in SAMNUT-23×ICGV-91324. Overall, the results reveal notable compositional differences among the groundnut hybrid lines, with SAMNUT-24×ICGV-91328 emerging as the most nutritionally advantageous candidate based on its superior protein and balanced nutrient profile.
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