Physicochemical Characterizations of Leaf Meals Derived from Tropical Plants as Possible Nutraceuticals in Animal Production

Ogbuewu, I. P.; Okoli, I. C.; Udedibie, C.O.I.; Achonwa, C C; Anyanwu, N. J.; Enemor, Victor Henry Azubuike

doi:10.3923/ajbs.2019.693.701

Cited by 6 publications

(2 citation statements)

References 12 publications

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“…(2008) and Okoli et al. (2019). Fresh samples dried in solar dryer environment also had significantly ( p < .05) higher values in ash and crude fat than other samples.…”

Section: Resultsmentioning

confidence: 94%

Moisture Adsorption potentials and energy models ofGongronema latifoliumleaves dried in separate environments

Ojike

Uzodinma

Ali

et al. 2021

Food Science & Nutrition

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Moisture adsorption isotherm potentials and energy models of Gongronema latifolium leaf grits were investigated. Fresh leaves were dried in sun; passive solar dryer and hot air oven, while proximate composition of the dried and fresh leaves were determined using standard laboratory procedure. Equilibrium moisture content (EMC) of the leaf grits was measured using gravimetric static method. Selected mathematical and statistical models were applied on the experimental data to evaluate data fitting. Energy calculations were done based on the mathematical models. The EMCs of the leaf grits directly increased with water activity (aW) at specific temperatures. Adsorption data was better represented by GAB model than others while differential enthalpy decreased as the EMC of the oven sample increased. Differential entropy of all the samples decreased as the EMC increased. The safest monolayer moisture content varied between 7.1036 and 8.0164 gH2O/100 g solid, below 40°C, within relative humidity of 10%–50%. Sun and oven leaf grits adsorbed more moisture than solar sample. Proximate contents of the dried leaves showed higher values for protein and ash. Overall results indicated that the leaf grits when properly packaged could be used as spice or tea powder to manage household nutrient security in addition to the use as therapeutic foods.

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“…(2008) and Okoli et al. (2019). Fresh samples dried in solar dryer environment also had significantly ( p < .05) higher values in ash and crude fat than other samples.…”

Section: Resultsmentioning

confidence: 94%

Moisture Adsorption potentials and energy models ofGongronema latifoliumleaves dried in separate environments

Ojike

Uzodinma

Ali

et al. 2021

Food Science & Nutrition

View full text Add to dashboard Cite

show abstract

“…Due to the escalating cost of conventional feedstuffs, leaf meals from tropical plants are now added to poultry feed to reduce production costs and improve productivity and product quality (Manyelo et al 2022 ; Niu et al 2023 ). Tropical climate is endowed with a diversity of plants that can yield large leaf biomass throughout the year (Okoli et al 2019 ). Leaf meals of tropical plants are high in essential nutrients (vitamins, crude proteins, and minerals), polysaccharides, and bioactive components such as polyphenols and flavonoids (Mat et al 2020 ; Shi et al 2021 ; Sugiharto 2021 ).…”

Section: Introductionmentioning

confidence: 99%

Determination of performance response of broilers to fermented tropical leaf meal supplementation using meta-analytical method

Ogbuewu,

Mabelebele,

Mbajiorgu

2024

Trop Anim Health Prod

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Fermented tropical leaf meals (FTLM) are currently added to chicken feed to improve chicken productivity due to their reported nutritional and medicinal benefits. However, the effects of FTLM on broiler productivity and health are less clear. Thus, this meta-analysis was designed to assess the effects of FTLM on the performance outcomes of broilers Eleven controlled studies were retrieved and used to explore the impacts of dietary FTLM supplementation on growth performance [feed intake (FI), feed conversion ratio (FCR), average daily gain (ADG)], blood lipids, slaughter performance (abdominal fat, breast and thigh muscles weight), meat quality [pH, drip loss, shear force, lightness (L*), redness (a*), and yellowness (b*)], and intestinal histomorphology [villus height (VH), crypt depth (CD) and VH/CD values] of broilers. Subgroup and meta-regression analyses of the effects of moderators (i.e., leaf meal type, supplementation level, broiler strains, rearing phase, and fermentation microbes) on the growth performance of broilers were also assessed. Results show that dietary FTLM supplementation increased FI [standardised mean difference (SMD) = 0.11; 95% confidence interval (CI): 0.02, 0.20; P < 0.0001], improved ADG (SMD = 0.33; 95% CI: 0.23, 0.43; P < 0.0001) and FCR (SMD = − 0.21; 95% CI: − 0.30, − 0.11; P < 0.0001) in broilers. In addition, FTLM enhanced slaughter performance, meat quality, and intestinal histomorphology of broilers. Broilers fed 0—5 g/kg feed FTLM had better FI, FCR, and ADG than the controls taking significant heterogeneity into account. Meta-regression revealed that analysed moderators influenced growth performance results and accounted for some of the sources of heterogeneity. It can be concluded that up to 5 g/kg of FTLM can be added to broiler feed to improve growth performance, intestinal histomorphology, slaughter performance, and meat quality without adverse effects on dressing percentage and blood lipid profiles.

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Meta-analysis of the inclusion of leaf meals in diets of broiler chickens

Bakare

Zindove

Iji

2022

Trop Anim Health Prod

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Physicochemical Characterizations of Leaf Meals Derived from Tropical Plants as Possible Nutraceuticals in Animal Production

Cited by 6 publications

References 12 publications

Moisture Adsorption potentials and energy models ofGongronema latifoliumleaves dried in separate environments

Moisture Adsorption potentials and energy models ofGongronema latifoliumleaves dried in separate environments

Determination of performance response of broilers to fermented tropical leaf meal supplementation using meta-analytical method

Meta-analysis of the inclusion of leaf meals in diets of broiler chickens

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