Nutrient and anti-nutrient components of some tropical leafy vegetables

Aletor, V. A.; Adeogun, Olajumoke

doi:10.1016/0308-8146(95)99830-s

Cited by 146 publications

(93 citation statements)

References 10 publications

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“…However, it is possible to obtain from cassava leaves more than 6 tonnes of crude protein ha -1 year -1 with proper agronomic practices directed toward foliage harvesting [5]. Cassava leaf contains high level of crude protein, vitamins and nutritionally valuable minerals [63,64]. The nutrit ional limitat ions of cassava leave include the HCN content, low digestible energy, bulkiness and possibly the high tannin content [65].…”

Section: Potentials and Limitations Of Cassava Leaves As Non-ruminantmentioning

confidence: 99%

The Use of Cassava, Sweet Potato and Cocoyam, and Their By-Products by Non – Ruminants

Apata¹,

Babalola²

2012

FOOD

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As the search for alternative sources of energy for non ruminants continues, this review was undertaken to examine the potential value of cassava (Manihot utilissima Pohl.), sweet potato (Ipomea batatas Poir.), cocoyam (Xanthosoma sagittifolium Schott.) and their by-products as dietary supplements for non ruminants. Studies on these roots and tubers showed that, on a dry-weight basis, contained 2.0 -7.9% crude protein, 0.3 -3.1% crude fib re and 72.4 -77.9% starch. The practical use of these roots and tubers in non ruminant feeds is generally low. Th is level of utilizat ion is attributed to the low protein and dry matter and the potentially to xic cyanogenic glycosides in fresh cassava and irritating substance in cocoyam. Processing techniques such as fermentation, soaking, boiling, ensiling and sun-drying are adopted to remove the deleterious substances, and effects on animals. The co mparable performance of pigs and poultry fed vary ing levels of roots and tubers and their by-products with those maintained on maize showed that they can be used as substitutes in non-ru minants diets at certain levels without detrimental effects. To achieve increase in the use of these root crops and their by-products for maize replacement in intensive non-ruminant production systems, adequate protein supplementation and proper processing are essential.

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Section: Potentials and Limitations Of Cassava Leaves As Non-ruminantmentioning

confidence: 99%

The Use of Cassava, Sweet Potato and Cocoyam, and Their By-Products by Non – Ruminants

Apata¹,

Babalola²

2012

FOOD

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“…Aletor and Adeogun (1995) reported on the nutrient components of 17 leafy vegetables in Nigeria. Apori et al(2000) reported on the chemical composition and nutritive value of Chromolaena odorata leaves.…”

Section: Introductionmentioning

confidence: 99%

Chemical composition and antibacterial activity of Gongronema latifolium

Eleyinmi

2007

J. Zhejiang Univ. - Sci. B

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Abstract:Chemical composition of Gongronema latifolium leaves was determined using standard methods. Aqueous and methanol G. latifolium extracts were tested against thirteen pathogenic bacterial isolates. Crude protein, lipid extract, ash, crude fibre and nitrogen free extractives obtained are: 27.2%, 6.07%, 11.6%, 10.8% and 44.3% dry matter respectively. Potassium, sodium, calcium, phosphorus and cobalt contents are 332, 110, 115, 125 and 116 mg/kg respectively. Dominant essential amino acids are leucine, valine and phenylalanine. Aspartic acid, glutamic acid and glycine are 13.8%, 11.9% and 10.3% respectively of total amino acid. Saturated and unsaturated fatty acids are 50.2% and 39.4% of the oil respectively. Palmitic acid makes up 36% of the total fatty acid. Extracts show no activity against E. faecalis, Y. enterolytica, E. aerogenes, B. cereus and E. agglomerans. Methanol extracts were active against S. enteritidis, S. cholerasius ser typhimurium and P. aeruginosa (minimum inhibitory concentration (MIC) 1 mg; zone of growth inhibition 7, 6.5 and 7 mm respectively). Aqueous extracts show activity against E. coli (MIC 5 mg) and P. aeruginosa (MIC 1 mg) while methanol extracts are active against P. aeruginosa and L. monocytogenes. G. latifolium has potential food and antibacterial uses.

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“…Over the year's different drying methods have been employed to dry different leafy vegetables and currently, newer technique are being investigated [1]. Some of these techniques include the use of different solar drying system.…”

Section: Introductionmentioning

confidence: 99%

Assessment of the Effect of Drying Methods on Pumpkin (<i>Telferia occidentalis</i>) Leaves

Namadi¹,

Sarah²

2017

IJCTC

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Abstract:The effect of solar and sun drying on the nutritional composition of Telferia occidentalis was evaluated. Direct sun drying was carried out under the sun, while cabinet solar and tunnel solar dryer were used for the drying of the vegetable sample. Proximate and mineral analysis were carried out on the vegetable sample after drying for six days. The results of the proximate analysis showed relatively low moisture content across the three methods. The ash content ranged from 8.0% to 8.5%. The protein content ranged from 10.0% to 13.0% while carbohydrate content was from 66.6% to 67.0%. The result of mineral content of tunnel, cabinet solar drying and direct sun drying vegetable samples showed that the amount of Zn in the vegetable samples ranged from (0.02 to 0.07 mg/100 g), Ca ranged from (5.30 to 5.96 mg/100 g), Mg (0.33 to 0.35 mg/100 g) and Fe ranged from (0.38 to 1.27 mg/100 g). This study showed that tunnel solar dried vegetable samples had higher values of carbohydrate, protein and fiber content when compared with cabinet solar dried and direct sun dried vegetable samples. Mineral content of tunnel solar dried vegetable samples were also higher than cabinet solar and direct sun dried vegetable samples. It concludes that tunnel solar drying serves as a better method of drying because it retains more nutrients, relatively more hygienic with shorter drying time. It is thus recommended for adoption by farmers and market women.

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Nutrient and anti-nutrient components of some tropical leafy vegetables

Cited by 146 publications

References 10 publications

The Use of Cassava, Sweet Potato and Cocoyam, and Their By-Products by Non – Ruminants

The Use of Cassava, Sweet Potato and Cocoyam, and Their By-Products by Non – Ruminants

Chemical composition and antibacterial activity of Gongronema latifolium

Assessment of the Effect of Drying Methods on Pumpkin (<i>Telferia occidentalis</i>) Leaves

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Nutrient and anti-nutrient components of some tropical leafy vegetables

Cited by 146 publications

References 10 publications

The Use of Cassava, Sweet Potato and Cocoyam, and Their By-Products by Non – Ruminants

The Use of Cassava, Sweet Potato and Cocoyam, and Their By-Products by Non – Ruminants

Chemical composition and antibacterial activity of Gongronema latifolium

Assessment of the Effect of Drying Methods on Pumpkin (&lt;i&gt;Telferia occidentalis&lt;/i&gt;) Leaves

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Assessment of the Effect of Drying Methods on Pumpkin (<i>Telferia occidentalis</i>) Leaves