Qualitative and quantitative evaluation of some herbal teas commonly consumed in Nigeria

Samali, Ayuba

doi:10.5897/ajpp11.658

Cited by 14 publications

(13 citation statements)

References 14 publications

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“…; Samali et al . ). However, care should be taken because traceability of most medicinal products is not easy in sub‐Saharan Africa.…”

Section: Discussionmentioning

confidence: 97%

“…For example, in Nigeria, use of herbal medicine at home constitutes the primary line for fighting high fever from malaria in 60.0% of children (World Health Organization 2003). Most recent studies assessing lead concentration in medicinal/herbal products commonly used indicate that none of them exceeded the WHO maximum limit value of 10 lg/g (Steenkamp et al 2000(Steenkamp et al , 2002Ajasa et al 2004;Maiga et al 2005;Adepoju-Bello et al 2012;Ebrahim et al 2012;Samali et al 2012). However, care should be taken because traceability of most medicinal products is not easy in sub-Saharan Africa.…”

Section: Discussionmentioning

confidence: 99%

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Blood lead concentrations in sub‐Saharan African children below 6 years: systematic review

Ngueta

Ndjaboué

2013

Tropical Med Int Health

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Abstractobjective To assess the geometric mean of blood lead levels in children aged below 6 years living in sub-Saharan Africa.methods Search strategies were developed in MEDLINE, Web of Science and Google scholar system, supplemented by screening of references from included papers and review articles. Studies including children younger than 6 years residing in sub-Saharan Africa (SSA) were eligible. The studies were assessed for quality of methods for blood collection, for participants' recruitment and for quality control for lead analyses. Data were extracted and synthetised by estimating the mean weighted by sample size.results A total of 11 148 published papers were identified with only 16 studies conducted in SSA.Only nine of them were relevant of inclusion criteria. The weighted mean of blood lead levels was 13.1 lg/dl. Five of included studies were classified as being less likely to present selection bias, having performed venipuncture and adequate quality control for lead analyses. The weighted mean from analyses involving only these studies was 16.2 lg/dl. Six of the included studies reported the prevalence of blood lead levels ≥10 lg/dl; levels ranged from 7.0% to 70.9%. Only one study reported the prevalence of blood lead levels ≥5 lg/dl (50%).conclusions The geometric mean of blood lead levels in sub-Saharan African children is still elevated relative to the US children. The new standard from the Centers for Disease Control and Prevention (5 lg/dl) implies that important efforts should be directed towards the initiation (or reinforcement) of prevention programmes and thorough research studies in sub-Saharan Africa.keywords blood lead levels, children, sub-Saharan Africa

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“…; Samali et al . ). However, care should be taken because traceability of most medicinal products is not easy in sub‐Saharan Africa.…”

Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 99%

Blood lead concentrations in sub‐Saharan African children below 6 years: systematic review

Ngueta

Ndjaboué

2013

Tropical Med Int Health

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“…The climate of the study area; wet season is characterized by torrential rainfall from May to October, while the dry season is November to April [8]. The natural vegetation cover is tropical grassland of the Northern guinea savannah type with short scattered trees interspersed with tall grasses.…”

Section: Study Areamentioning

confidence: 99%

Application of Pollution Load Indices, Enrichment Factors, Contamination Factor and Health Risk Assessment of Heavy Metals Pollution of Soils of Welding Workshops at Old Panteka Market, Kaduna-Nigeria

Jimoh¹,

Agbaji²,

Ajibola³

et al. 2020

Open J Anal Bioanal Chem

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Pollution of the environment may occur through the industrial and commercial activities of man. This happens when substances resulting from human activities enter the environment. The environment is said to be polluted when the concentration of these substances attain levels that may cause discomfort and/or harm to man, fauna, and fl ora of his environment. The pollution of the environment has been found to result from man's determination to match desire with

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“…Green tea is well-known for its marked health benefits, and, additionally, it was recognized by Chinese people as an effective traditional drink required for the prophylaxis against many health ailments [17]. Most of its crucial health benefits and biological activities are discussed below and summarized in the supplementary data Table S1.…”

Section: Health Benefits and Biological Activities Of Green Tea (Cmentioning

confidence: 99%

A Comprehensive Insight on the Health Benefits and Phytoconstituents of Camellia sinensis and Recent Approaches for Its Quality Control

et al. 2019

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Tea, Camellia sinensis, which belongs to the family Theaceae, is a shrub or evergreen tree up to 16 m in height. Green tea is very popular because of its marked health benefits comprising its anticancer, anti-oxidant, and antimicrobial activities, as well as its effectiveness in reducing body weight. Additionally, it was recognized by Chinese people as an effective traditional drink required for the prophylaxis against many health ailments. This is due to the complex chemical composition of green tea, which comprises different classes of chemical compounds, such as polyphenols, alkaloids, proteins, minerals, vitamins, amino acids, and others. The beneficial health effects of green tea ultimately led to its great consumption and increase its liability to be adulterated by either low-quality or non-green tea products with concomitant decrease in activity. Thus, in this review, green tea was selected to highlight its health benefits and phytoconstituents, as well as recent approaches for its quality-control monitoring that guarantee its incorporation in many pharmaceutical industries. More research is needed to find out other more biological activities, active constituents, and other simple and cheap techniques for its quality assurance that ascertain the prevention of its adulteration.

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Qualitative and quantitative evaluation of some herbal teas commonly consumed in Nigeria

Cited by 14 publications

References 14 publications

Blood lead concentrations in sub‐Saharan African children below 6 years: systematic review

Blood lead concentrations in sub‐Saharan African children below 6 years: systematic review

Application of Pollution Load Indices, Enrichment Factors, Contamination Factor and Health Risk Assessment of Heavy Metals Pollution of Soils of Welding Workshops at Old Panteka Market, Kaduna-Nigeria

A Comprehensive Insight on the Health Benefits and Phytoconstituents of Camellia sinensis and Recent Approaches for Its Quality Control

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