2012
DOI: 10.1590/s0102-695x2011005000188
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Are medicinal herbs safe? The opinion of plant vendors from Diadema (São Paulo, southeastern Brazil)

Abstract: Abstract:Medicinal plants (MP) have been used world-wide for the treatment or prevention of health conditions and due to their natural origin; they have been historically considered harmless. Semi-structured interviews were carried out with an intentional sample of twenty plant vendors in the city of Diadema to explore their knowledge and beliefs on the safety and efficacy of MP. Different levels of perceptions about the safety of MP were found, varying from "completely safe" to "completely harmful". The major… Show more

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Cited by 15 publications
(9 citation statements)
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“…The meanings they had were constructed through family relations, as all the subjects said that they learnt about medicinal plants with their ascendant relatives, especially mothers and grandmothers. The acquisition of this knowledge through transmission between generations was reported in other studies, reinforcing the view that the older generation are the guardians of phytotherapy (6,7,(20)(21)(22) . (4) .…”
Section: Representations Of Medicinal Plants Among Male Senior Citizenssupporting
confidence: 70%
“…The meanings they had were constructed through family relations, as all the subjects said that they learnt about medicinal plants with their ascendant relatives, especially mothers and grandmothers. The acquisition of this knowledge through transmission between generations was reported in other studies, reinforcing the view that the older generation are the guardians of phytotherapy (6,7,(20)(21)(22) . (4) .…”
Section: Representations Of Medicinal Plants Among Male Senior Citizenssupporting
confidence: 70%
“…To date, in Brazil, medicinal plants are freely sold on the open-air markets, at fairs, and especially by herbal vendors in the streets with little or no restriction [13]. Based solely on traditional knowledge, the herb sellers or companies marketing medicinal plants do not provide information on the maximum daily dosage that can cause toxicity in children, adults, and the elderly [14].…”
Section: Introductionmentioning
confidence: 99%
“…(Boraginaceae family). In Brazilian folk medicine, C. salicifolia is used as an antiobesity medicine, appetite suppressant, and diuretic [13]. C. salicifolia is popularly known as "porangaba" or "cafezinho-domato" grows abundantly in the central and northeast regions of Brazil and the tropical forest areas of Argentina and Paraguay [15].…”
Section: Introductionmentioning
confidence: 99%
“…It is naive to consider however, that since these plants have been consumed as food or are being used as herbal products they are safe. As per the review of Lanini et al 2 "if herbs have an effect, they are also likely to have a side effect". The toxicity or safety of any substance derived from nature depends on several factors such as its route of administration, dosage and period of time the medicine is active.…”
Section: Introductionmentioning
confidence: 99%