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1

Antioxidant activity of extract of shea nut meal and its fractions

100%
Janiak M., Penkacik K., Urbalewicz A., Amarowicz R.
Polish Journal of Food and Nutrition Sciences
|
2011
|
tom 61
|
nr Suppl.1
2
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In vitro regeneration of Vitellaria paradoxa from shoot tip explants

100%
Afful N. T., Abdulai I., Azu E., Elegba W., Annor W., Akama C., Asare K., Dentey J., Amoatey H. M.
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
|
2022
|
tom 103
|
nr 1
3
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Ethno-botanical uses of Ugandan edible wild fruit species

80%
Onen C. O., Oryem-Origa H.
Environment, Earth and Ecology
|
2017
|
tom 1
|
nr 2
Edible wild fruit tree species are known to provide enormous products and services to several rural communities worldwide. Products derived from such edible wild fruit tree species and related conservation issues are not adequately documented. The objectives of this study were to document the uses/products derived from five most preferred edible wild fruit tree species of Gulu district; how their products are harvested; how they are locally managed; if there are any constraints to cultivation and local strategies for conservation. The five edible wild fruit species used in this study (Vitellaria paradoxa Gaertn, Vitex doniana Sweet, Borassus aethiopum Mart, Tamarindus indica L. and Annona senegalensis Oliv.) were earlier identified from household heads in Gulu district as most preferred. Data on these were collected using questionnaires, interview guides, field visits, home observation and photography. The main uses and products which were established included fruits, fuel-wood, charcoal, medicinal, timber among others. Modes of harvests varied with each product. No management system was in place for any fruit tree species. Wild fruits have several products not yet documented. Willingness to cultivate these fruit trees is low. It is, therefore, important to raise awareness on the demises of mismanaging these tree species, set and implement adequate conservation measures.
4
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Preservation of quality of table eggs using vegetable oil and shea butter

80%
Pius O., Olumide A.
International Letters of Natural Sciences
|
2017
|
tom 63
The poultry industry in Nigeria keeps expanding on a daily basis and it is faced with the problem of egg glut almost yearly. Most of the poultry are raised in rural environments where there is no available and avoidable power supply for egg preservation. The study was aimed at using locally available and cheap materials for preservation of eggs quality under the hot ambient temperature. The eggs were divided into three groups of 80 eggs each. The first and second groups were treated with vegetable oil (soybean oil) and shea butter, respectively, while the third group served as control. The eggs were stored under the ambient conditions and assessed for their physical and nutritional qualities on days 1, 8, 15, 22, 29, 36, 43 and 50. The physical quality was assessed by determining the albumen height and the Haugh’s unit, while the nutritional quality was appraised through the protein concentration of the albumen. Based on the values of Haugh’s unit, eggs treated with vegetable oil produced excellent results; good quality eggs were obtained up to 50th day of storage. Treatment with shea butter maintained quality eggs up to the 29th day, while with untreated eggs good physical quality was maintained up to 22 nd day of storage. Protein concentrations of eggs in the three groups studied decline with duration of storage, however the protein concentrations of eggs treated with vegetable oil were significantly higher than the other groups (p<0.001). The eggs treated with shea butter recorded a comparative higher protein concentrations than the untreated eggs (p=0.002).
5
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Shea (Vitellaria paradoxa C.F. Gaertn.) seedlings showed impressive recovery after defoliation

80%
Ugese F. D., Ezechukwu P. T., Ogbaje C.
International Letters of Natural Sciences
|
2015
|
tom 37
Experiments to determine the effect of seed size, watering interval and defoliation on growth and dry matter attributes of seedlings of shea butter tree were conducted at Makurdi, Nigeria, from July 2010 to April, 2012. In the first experiment, treatments were made up of three seed size categories described as small (5-10g), medium (11-15g) and large (16-20g) and three watering intervals of 3, 6 and 9 days. In the second experiment, treatments comprised three watering intervals of 3, 6 and 9 days and three levels of defoliation – 0, 50 and 100%. In both experiments, factorial combinations of the treatments were laid out in completely randomized design (CRD) and replicated three times. Results of analysis of variance showed that in the first experiment seed size significantly influenced root length with the medium and large seeds producing seedlings with comparatively longer roots than the small seeds. The most frequently watered seedlings (3 and 6 days) produced more leaves than those watered less frequently (9 days). Seed size influenced dry weight of root and total (whole plant) dry weight with the medium and large seeds recording significantly higher values than the small seeds. Watering interval however did not significantly influence any of the other traits. Seed weight exerted significant influence on amount of dry matter partitioned to the stem and the root. More dry matter was partitioned to the stem by the small seeds. Conversely, medium and large seeds allocated more dry matter to the root than to the stem. In the second experiment, defoliation level only influenced total fresh weight, dry weight of root and total dry weight in favour of plants with half their leaves removed. None of the traits examined were significantly influenced by watering regime. Interaction between defoliation level and watering regime significantly influenced total fresh weight, dry weight of root and total dry weight. Generally seed size had more influence on seedling characters than watering interval. Seedlings also demonstrated remarkable ability to overcome effects of defoliation.
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