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Evaluation of Czech market with hemp products
Nágl, Tomáš ; Kotyza, Pavel (advisor) ; Brecklová, Veronika (referee)
Bachelor work deals with situation on the Czech with hemp products. It focuses primarily on the food and cosmetics made of hemp. Work describes hemp, its use in facilites, production technology and history. It also deals with legislatvie restrction both domestically and in the European Union, processin technologies and economics of production. The practical part examines domestic producers of hemp food and cosmetics in detail and inform about major importers and other producers. Part of this work is a comparison of prices of hemp food and hemp cosmetics for the years 2013-2016, External environment analysis using 4C method and evaluation of the situation on the market. The conclusion summarizes the theoretical background and practical.
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Možnosti izolace nukleových kyselin v rostlinných a živočišných matricích
Truong, Thanh Huong
Isolation of nucleic acids is first step in most of molecule diagnosis. Literal abstract deals with various opportunities of nucleic acid isolation is the main part of this bachelor thesis. This work is about the most used methods from the oldest ones to the ones that are used nowadays. It covers methods such as salting in and salting out, chromatography, phenol -- chloroform extraction and isolation with magnetic particles. In the one of three chapters of literal abstract the basis of nucleic acids is described. Inhibitors for separation of nuclein acids are presented in another chapter of literal abstract. Minor part of the bachelor thesis deals with experimental process. The quality of the DNA acquired from various Cannabis sativa matrices are compared at two different weights of 20 mg and 100 mg. Evaluation of the results shows that use of 20mg oves us better quality.
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Biological study of hemp activity
HELLEROVÁ, Šárka
The aim of my study is to evaluate the impact of seed density on yields of hemp, which was cultivated in two areas, and subsequently to assess biological efficiency of infusion from hemp on fibroblastoidal line of mammalian cells L292. Afterthat in the case of above mentioned biological test we want to find out, if the density and different parts of plant will have an impact on efficiency of extract.
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Economical aspects of qrowing of selected energy crops
VESELÝ, Petr
The society is trying to find new and renewable technologies for securing the increasing consumption of energy. This kind of rediscovery source could be biomass. The question is which of the many types of biomass would be the best for economic effectiveness. The bachelor thesis solves the economic evaluation of selected plants and their potentially suitable for energy utilisation. For comparison was chosen four types of energetic plants: Cannabis sativa L., Phalaris arundinacea L., Miscanthus giganteus, Zea mays L. Literary part solves the general description of renewable energy sources, especially biomass. Next part of thesis is focused on agro - technical goings in planting of these aforesaid species of plants and methods of energy use of selected plants. In analytical part were each plants compared to other in economic aspect within the current price of inputs and outputs. From used the economic analysis was subsequently determined perspective of particular plants to their energy utilization for direct combustion. Cannabis sativa has a profit 1,991 CZK/ha without grants. With grantss it has a profit 8551 CZK / ha. The average purchase price of dry weight is 2350 CZK / t The total cost per year is 18 289 CZK / ha. Phalaris arundinacea has costs quantified at 7982 CZK. Financial income from one hectare is 268 CZK. The profit with grants is 6829 CZK / ha. Miscanthus giganteus shows a loss 3,944 CZK / ha, but with grants has profit 2,617 CZK / ha. The cost per hectare is 17944 CZK. Costs of cultivating Zea mays are 24013 CZK / ha. The graph shows that the loss from one hectare is 2293 CZK and with grants is profit 4269 CZK.
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The comparison of energetical and insulative properties of selected plant materials
BOUBERLE, Josef
The work deals with the evaluation of suitable using of plant materials in energetics and in insulating materials in building in particular from the view of a sustainable development. The Nature produced a large quantity of raw materials, which may be variously used with a small energetical contribution. They can be used for production of alternative energy forces as well as in building. This work also compares contemporary and available range of products in the Czech market, particularly in insulating materials and the work also deals with a possibility and suitability of their using in building.
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Position of hemp (\kur{Cannabis sativa}) in plant protection
HRDLIČKOVÁ, Helena
Cannabis sativa is a useful fibre, oil and energy plant that could be replace lot of synthetic row materials, whose production pollutes the environment. The aim of this work was to summarize the information about the occurrence of pets, diseases and weeds in the hemp stand and the possibilities of protection against them, together with information about the competitive and allelopathic characteristics of hemp and possibilities of hemp utilization in the plant protection. Though the spectrum of disease and pests is wide, until now the economics losses caused by harmful organisms are very low. Mycocentrospora cantuariensis is a potentially dangerous disease, until now this species was obserwedy on hop. Phytophtora cactorum and Septoria neocanabina belong to the new occured species. From the pests fleahopper (Psylliodes attenuata), cannabis louse (Phorodon cannabis) and european corn borer (Ostrinia nubilalis) could be the cause of the important yield losses. The hemp stand is able to suppress the weed growth due to quick development. The self-protection of hemp consists the secretion of canabinoids and volatile terpenoids, that protect not only the hemp plants but partially also neighbouring plants. These compounds and also mixed cultivation of hemp with other plants could be a new advanced tool in the plant protection.
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Yield and quality of hemp oil and its utiliation
SKŘIVÁNKOVÁ, Ilona
Hemp is a versatile plant. Nowadays it is used in almost all sectors of human activity. Cultivation of hemp brings new job positions, revitalizes agriculture and engineering industries as well as other sectors of the economy and allows to re-establish a relationship between man and nature ? thanks to the help of modern technology. The following literature review, whose task was to summarize and evaluate the potential for exploitation, production and subsequent processing of hemp seed oil shows that hemp seed oil is an excellent source for the body of the necessary essential fatty acids in optimal proportions, and is also rich in other important nutrients such as the phytosterols and tocopherols. The methods of obtaining oil from hemp seeds, pressing and extraction, were recorded as differences in the preparation of seeds, and in the direct extraction process. Both methods have their pros and cons. The cold-pressing was found to be low yield and extraction methods is the disadvantage of technology and resources. Production and distribution of cannabis products in the Czech Republic dealing with several companies, two of which are oil notified under Directive 98/34/EC. Growing cannabis seeds will for most businesses in the Republic of the growing issues of risk and economically and will therefore be limited to more southern areas to ensure high seed yields.
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Nutritive and technological quality of hemp seeds
PŮLPYTLOVÁ, Jaroslava
Hemp (Cannabis sativa) is a traditional oil and fiber crop. Its use is universal. Hemp seeds have been consumed in history as a nutritious food. The aim of this work is to summarize information about the nutritional quality of hemp seeds (base composition, amino acid, fibre, vitamin, specific substances content, etc.), technological quality parameters (TGW, the yield of hulled seeds), possibilities of processing and hemp seed products on the market.. Hemp seed contains about 25-35 % oil that is rich in linoleic and linolenic acids, 20-25 % easily digestible protein, 10-15 % saccharides mainly as fibre, vitamins A, B1, B2, B6, C and E. Basic processing techniques of hemp seeds include size separation and hulling. The yield of hulled hemp seeds can be higher as 75%. The hemp oil for food industry is produced by cold pressing. Rests after seed oil pressing (seed cake) are suitable for production of hemp-meal. In the Czech Republic, a whole range of hemp products are sold e.g. hulled hemp seeds, chocolate with hemp seeds, yogurt with hemp seeds, hemp oil, hemp meal, pasta, wine, beer, spice, and others.
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