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After collecting and analyzing 90 different samples of hashish in Madrid, including from Moroccan sources, a group of Spanish pharmacists has established that the vast majority of cannabis sold on the streets of Madrid is not suitable for human consumption.
Manuel Perez Moreno, fifty-four years old, pharmacist at the Complutense University of Madrid, reported on the results of his study in a co-authored article entitled "Cannabis resin in the Madrid region: adulteration and contamination" .
In this article, the authors have highlighted the methods of preparation and transport of cannabis sold in Madrid. They found that hashish sold in Madrid neighborhoods could have an adverse effect on human health.
As Moreno wanted the study's findings to be robust and more easily generalizable, he collected 90 samples of cannabis from different sources.
"The majority of the hash sold in the Madrid region is not fit for human consumption, mainly because of microbiological criteria, and represents a danger to health," read in part of the article. # 39; section.
"Our results showed a direct relationship between the shape of the samples (glans or ingot) and the presence of foreign elements, adulterants and microbiological contamination."
Although Moreno has successfully analyzed 90 different samples of cannabis, he claims to have never consumed narcotics.
Instead, he explained, during the one-year period during which he collected the samples, according to the Spanish outlet El Pais, he would show up in Madrid's neighborhoods and pose for questions to the locals, such as: "Do you know where I can buy hash?"
But he bought cannabis with his own money, "because I could not imagine asking for a grant to buy hashish," Moreno said.
Moroccan haschisch very dangerous
Among the ferocious and microbiological contamination of the different types of hashish collected, the acorn-shaped category, most traffickers from Morocco smuggled into Spain, proved unfit for human consumption in 100% of the samples.
By comparing the acorn-shaped and ingot-shaped types, the analysis revealed that 93% of the acorns were "contaminated with E. coli", compared to only 29.4% of the ingots.
"In addition, the study added, all samples with faecal odor were acorns." While the overall percentage of study contamination was 88%, this number was "significantly higher" for cannabis-type glans.
Moreno attributed the reason for this high contamination by E. coli, a bacteria found in feces, to the way people smuggle the drug from Morocco.
Traffickers operating between Spain and Morocco wrap tiny pastilles of hashish – described as acorns – in plastic film. They then swallow the granules after consuming yoghurt to neutralize the acids secreted by the stomach.
"When they arrive in Spain, they take a laxative and expel the [acorns]. And then they are put on sale, "said the Spanish pharmacist, quoted by El Pais.
According to the study, the degree of iron contamination found in the different samples used was 500 times higher than the maximum accepted in the United States for marijuana or in the European regulation for products such as tea or coffee.
"This is clearly a public health problem. The amounts of bacteria we found are appalling, "said biologist Inmaculada Santos, co-author of the study at the Universidad Complutense de Madrid.
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