Identification and evaluation of proximate and antinutritional profile of some underutilized mushrooms in Yauri Local Government Area, Kebbi State, Nigeria
Keywords:mushroom, proximatel and anti-nutritional
This study was carried out to study the nutritional and antinutritional values of underutilized mushroom in Kebbi State, Nigeria. A total of 5 samples were collected during rainy season from the month of June to October in different locations of Yauri local Government Area. Fresh and fully matured species was uprooted using scalpel or knife. Photographs were taken to aid in further morphological study for the purpose of identification The samples were preserved using formaldehyde, Oven-dry at 60oc to avoid spoiling or decay. Analysis of Proximate and antinutrient parameters was carried out using AOAC (Association of Official Analytical Chemist) recommended techniques. Five species were identified as Daldinia concentrica, Tremetes versicolor, Ganoderma applanatum, Ganoderma tsugae and Pleurotus tuberigium le in this study. Nutritional analysis showed that, Tremetes versicolor (7.513±0.015) had highest moisture while Daldinia concentrica (4.507±0.021) had lowest. Ash was seen to be high in Pleurotus tuberigium (29.013±0.015). Ganoderma applanatum (2.513±0.015) had highest lipid while Daldinia concentrica (1.000±0.020) had lowest. Ganoderma tsugae (40.510±0.010) had highest fiber while Pleurotus tuberigium (19.510±0.010) had the lowest. Ganoderma applanatum (28.520±0.010) is seen to have the highest Protein while Ganoderma tsugae (20.827±0.015) had lowest. Tremetes versicolor (31.560±0.053) was seen to have highest carbohydrates Pleurotus tuberigium (23.040±0.052) had lowest. Anti-nutrients analysis showed that, Pleurotus tuberigium (103.333±0.225) is seen with highest Nitrate while Tremetes versicolor (88.333±0.136) had lowest. Pleurotus tuberigium. (103.054±0.933) is seen to have highest Tannin while Ganoderma applanatum (92.939±0.118) had lowest. Tremetes versicolor (116.862±17.249) is seen to have highest Cyanide while Ganoderma tsugae (109.568±0.238) had lowest. Ganoderma applanatum (5.491±0.845) is seen to have highest Phytate while Ganoderma tsugae (3.238±0.244) had lowest. Ganoderma applanatum (0.0192±0.0.0258) is seen to have highest Oxalate while Daldinia concentrica and Ganoderma tsugae ( 0.0046±0.0007). The level of anti-nutrients in identified mushrooms are high and make them unavailable for consumption in this study and are therefore poisonous for human and animals. Due to the shortage of information related to mushrooms in the study area, further studies should be carryout in order to know the nutritional and antinutritional profile of mushrooms within the study area.
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