The nutrient content of three edible plants of the Republic of Niger

Glew, Robert S.; VanderJagt, Dorothy J.; Bosse, R.; Huang, Y. S.; Chuang, Lu-Te; Glew, Robert H.

doi:10.1016/j.jfca.2003.12.002

Cited by 29 publications

(28 citation statements)

References 28 publications

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“…The K content of the leaves recorded in the present study is similar to that reported for Roselle by other colleagues [4,16] and also for other leafy vegetables such as Moringa oleifera, leptadania hastata and Brassica oleracea [16,19].…”

Section: Discussionsupporting

confidence: 91%

Variation in macro-elements and protein contents of roselle (<i>Hibiscus sabdariffa</i> L.) from Niger

Atta¹,

Diallo²,

Sarr³

et al. 2010

African Journal of Food, Agriculture, Nutrition and Development

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Roselle is an important part of the human diet in many countries, particularly in the Sahel zone of West Africa. The leaves of Roselle are consumed as a green vegetable and in sauce. Nevertheless, little attention has been paid to their nutrient composition at different stages of plant growth. Therefore, the experiment was carried out under rainfall conditions from July to September 2006 at the experimental station of the Agrhymet Regional Centre in Niamey (Niger). The contents of Ca, K, Mg, P and protein in leaves of three ecotypes (A3, A7 and A9) were determined at stages I, II and III, corresponding, respectively to vegetative, flowering and mature stages. The experimental design was a randomized complete block with four replicates and one variable (ecotype). For ecotype A7, the protein content of the leaves decreased significantly (p<0.05) between stage I and II, than remained relatively constant up to stage III. In contrast for A3 and A9, protein content in leaves decreased significantly (p<0.05) between stage II and III. From stage I to III, the decrease of protein content in leaves was 41% for ecotype A3, 50% for A7 and 66% for A9. For all ecotypes, the P content of the leaves decreased progressively during plant growth. For A7 and A9, the reduction in P content from stage I to II and from II to III was about the same, namely 30%. However, for ecotype A3, the decrease was greater, respectively, 37% and 46%. The Mg content of the leaves was relatively constant for all three ecotypes at a given stage of plant development. However, the Mg content of the leaves decreased significantly (p<0.05) from flowering to maturity: 28% for A3, 23% for A9 and 14% for A7. For the three ecotypes, the Ca content of the leaves remained relatively constant from stage I to II, than increased markedly from stage II to III, to about 150% for A7, 85% for A3 and 50% for A9. From stage I to II, the leaves' K content decreased significantly for all three ecotypes, about 67% for A9, 62% for A3 and 44% for A7. The data indicated that Roselle can contribute useful amounts of essential nutrients such as Ca K, Mg, N and P mainly at vegetative stage in the diets of people who inhabit the western Sahel.

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Section: Discussionsupporting

confidence: 91%

Variation in macro-elements and protein contents of roselle (<i>Hibiscus sabdariffa</i> L.) from Niger

Atta¹,

Diallo²,

Sarr³

et al. 2010

African Journal of Food, Agriculture, Nutrition and Development

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“…The carbohydrate contents were higher than the values (52.75 -56.00%) reported by Gideon and Doss (2002) but lower than the 70 -76% reported by Obilana and Manyasa (2002) for Digitaria starch. The fatty acid levels recorded for the modified starch were lower than the 8.71% reported by Glew et al (2005). The metabolizable energy levels in this study were comparable to the 1,520 kJ/100g in brown rice and 1,503 kJ/100g in maize as reported by Hulse et al (1980).…”

Section: Proximate Compositionsupporting

confidence: 75%

Assessment of Nutrient Contents of Modified Finger Millet (Eleusine coracana) Starch

Wokhe

Obelle

Okere

2017

Turkish JAF Sci.Tech.

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Modification processes can change the physicochemical and structural properties of native starch, thereby increasing its industrial applications. Finger millet starch (FMS) was modified with casava starch (CS), guar gum (GG) and xanthan gum (XG) modifiers at the ratios of 95:5%, 90:10%, 80:20% and 75: 25%, for each of the modifier. The proximate and mineral compositions of the modified starch were determined using standard methods. Atomic absorption spectrometry method was used to quantify the mineral contents of the modified starch. Proximate contents of the modified FMS starch varied according to the type of the modifier and FMS/modifier ratios. Concentrations of carbohydrate in CS (66.97±0.03%), GG (64.42±0.05%) and XG (64.64 ± 0.01%) FMS modified starches were highest at 10%, 25% and 5% of the modifier contents repectively. The highest levels of fat in GG (8.91±0.02%), XG (7.89±0.01) and ash (3.55±0.02%) in CS modified starches were recorded when the quantity of the modifiers were increased to 25%. Fatty acid levels in the modified starches varied in the order of XG (7.74±0.03%) at 20% > GG (7.13±0.02%) at 25% > CS (5.14±0.20%) at 10%. At 25% modifier contents, levels of mineral element were highest in the modified CS and GG starches. Modifications decreased Mg, Mn, Fe, Zn, and Cu contents, while the concentrations Na, K, Ca and P increased. The modified starches can be used for production of some foods for specific health purposes.

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“…Wild plants are used to treat common diseases 2,3 as food supplements 8,15 and as forage for livestock 11 . However, some wild plants appear less beneficial.…”

Section: Introductionmentioning

confidence: 99%

“…Cook et al 8 studied 13 wild plants and identified that Tapinanthus globiferus had the greatest antioxidant content. Glew et al 14,15 performed a typical study on Sclerocarya birrea, Sesbania pachycarpa and Crataeva religiosa, revealing the magnesium, copper, zinc, protein, amino acid and fatty acid contents of these wild plants. Gerard et al.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Indigenous Use of the Weed Sida cordifolia L. in the Sahelian Zone of West Africa

Hayashi¹,

Hayashi²,

Fatondji³

2013

JARQ

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Most farmers in Niger live below the poverty line and require low-capital intensification to improve agricultural production. The purpose of this study was to evaluate local knowledge on less beneficial weed for future use in managing the soil fertility of the Sahel region. Sida cordifolia was utilized in a scientific procedure to verify how local farmers utilize this species and the nature of the important roles behind this wild plant in terms of soil fertility management. The results of a questionnaire showed that S. cordifolia was less frequently used than other wild plants found in the same area, but that local farmers recognized this plant as one of the indicators of soil fertility in millet fields. The results of soil analysis also revealed a significant coefficient of variance in certain parameters such as total acidity and aluminum saturation of the soil, while multiple regression analysis showed the high influence of total acidity and soil pH on plant height and dry matter weight, respectively. These results indicate that the significant difference in plant growth of S. cordifolia was mainly due to soil acidity rather than soil fertility. The application of organic matter is one effective approach to resolve this problem and it was shown that the poor growth of S. cordifolia is a particularly useful marker to identify patches where organic matter should be applied. Despite its simplicity, this technique is considered particularly beneficial to allocate limited resources efficiently for sustainable, improved production.

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The nutrient content of three edible plants of the Republic of Niger

Cited by 29 publications

References 28 publications

Variation in macro-elements and protein contents of roselle (<i>Hibiscus sabdariffa</i> L.) from Niger

Variation in macro-elements and protein contents of roselle (<i>Hibiscus sabdariffa</i> L.) from Niger

Assessment of Nutrient Contents of Modified Finger Millet (Eleusine coracana) Starch

Evaluation of the Indigenous Use of the Weed Sida cordifolia L. in the Sahelian Zone of West Africa

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