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Новости/Аналитика

Planned studies of the herbal remedies properties of hemp

13.12.2019

Hemp plant is so versatile that it can not only be used in a huge number of product categories or various products necessary for humanity , but can also effectively restore soils damaged during human activities or as a result of various negative technological factors. 

On the pages of the profile electronic publication of Ukrainian hemp breeders, the phytoremediation properties of technical hemp have been described more than once . And not only because the plant is a valuable ally in solving the increasing environmental problems every year, hemp can be a cornerstone in changing the paradigm of unbridled use of oil derivatives. Hemp plant can become an absolute alternative to plastic , significantly affect the reduction of hydrocarbon emissions, a radical solution to the problem of deforestation, and cannabis among other thingsmay be the key to helping us literally cleanse the planet with phytoremediation .

The plant has extremely powerful phytoremediation properties that allow it to remove soil contaminants, heavy metals (cadmium, dioxin), and other chemical elements that cannot be pulled out of the soil in any other way or is extremely expensive.

One of the first modern examples of the use of hemp plants for cleaning contaminated soil was an experiment conducted in the USA in the early 90s of the last century. Paradoxical as it sounds, DuPont became one of the first large world corporations whose specialists tried to conduct an experiment related to cleaning the soil with a plant, which this company was trying to destroy in the 30s of the last century. 

In particular, September 8, 1992 journalist Emily Bernstein (Emily Bernstein) wrote an article "Scientist using a plant for the purification of metals from contaminated soil» ( "Scientist using plants to clean up metals in contaminated soil") in the "New York Times", which describes The fact that DuPont researcher Dr. Scott Cunningham has begun experimenting with the use of industrial hemp to clean up the chemical-contaminated area near the Delaware River.

A few years after the nuclear disaster at the Chernobyl nuclear power plant, industrial hemp was used to cleanse soil contaminated with heavy metals. One of the members of the research team during the experiments in Ukraine coined the term " phytoremediation ". Another employee of the Phytotec company, conducting research in the Chernobyl zone, focused on the fact that “ Hemp is one of the best phyto-multimedia plants that the research team was able to find during the study of the soil cleaning capabilities of plants .”

A group of researchers from the University of Bremen published a study whose results indicate that after studying grain , leaves , fiber and bonfires of industrial hemp , which grew on contaminated soil, the highest concentration of heavy metals was found in the leaves . The published materials stated that “The general quality of hemp fiber was not affected by the fact that the plants were grown on contaminated soils, but the raw materials obtained in this way are not suitable for human use and are best used for industrial purposes or for energy production .” 

In 2014, a group of Indian researchers analyzed three types of plants (including industrial hemp ) with the maximum phytoremediation potential . During the experiments , it was confirmed that the “ Phytoremediation technique provides a promising tool for hyperaccumulation of heavy metals - arsenic, lead, mercury, copper, chromium, nickel, etc. using hemp plants ”.

Similar experiments in the 21st century were carried out in Italy . Starting with the experiments , carried out at the farm Fornari , where all the animals because of the high levels of dioxins have been killed and ending Sardinia, where in 2017 was funded by the Project for the Study of phytoremediation properties of hemp . In 2020, the Association of Environmental Biologists Puglia (Associazione Biologi Ambientalisti Pugliesi, ABAP) initiates another study by winning the relevant EU tender . The project aims to "Create new resources for the needs of the green economy ." Association biologist Marcello Colao explains that the project “involves exploring the phytoremediation potential of hemp to cleanse the soil . During the experiments , the properties of individual varieties of technical hemp present in the European catalog will be compared in order to see how they behave in terms of the accumulation of heavy metals during phytoremediation . Based on this, a list of technical hemp varieties that work best as a phytoremediation product among those available in the EU will be compiled . ” Based on the results of the experiments , measures are planned aimed at bringing the received data to all parties interested in this. In particular, the results of the studies will be published to familiarize them with not only experts , but also representatives of the general public. Most heavy metals are thought to be concentrated in the root and leaves of the plant . If this kind of theoretical research is experimentally confirmed , then other parts of technical hemp can be used, for example, for " green building " or for generating energy .

The project will begin in March 2020 with the sowing of a field of industrial hemp near Bari Airport. The main idea is to cultivate one hectare, which will be divided into two areas: one will be cultivated in rows, the other various varieties will be grown in small areas. These kinds of experiments are designed to determine the different ways that plants respond to growing them in contaminated soils. ” During the experiments , an attempt will be made to understand how and where the plant stops pollutants removed from the soil. 

Commentary experts of the Association "Ukrainian industrial hemp"

Technical hemp should be included in the climate change strategies of all highly developed countries, not only in Europe and North America . This is an agricultural crop that will become the basis for the sustainable development of modern agriculture of the 21st century. Hemp plant is so versatile that it can not only be used in a huge number of product categories or various products necessary for mankind , but can also effectively restore soils damaged during human activities or as a result of various negative technological factors.

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