Medicinal Plants Cultivation Pdf
Improvements are needed in the areas of post collection handling, value addition and product presentation. Roots are induced on the stem while it is still attached to the parent plant. Harvested or collected raw medicinal plant materials should be promptly unloaded and unpacked upon arrival at the processing facility. Ecological environment and social impact.
The drying conditions should be recorded. Ethical and legal considerations. This is especially important for materials that absorb moisture or deteriorate quickly in the presence of water. The World Health Organization does not warrant that the information contained in this publication is complete and correct and shall not be liable for any damages incurred as a result of its use.
All containers used during harvesting must be clean and free of contamination from previous harvests. For indoor drying, the duration of drying, drying temperature, humidity and other conditions should be determined on the basis of the plant part concerned root, leaf, stem, bark, flower, etc. This method consists of growing cell, tissue and organ in culture.
Thoroughly cleaned and dried plant material is powdered in a pulveriser and sieved to obtain a homogenous powder of the desired particle size. It is employed for materials for which as yet not suitable chemical or biological assay exists. Bulk packaging and labelling. If plastic containers are used, particular attention should be paid to any possible retention of moisture that could lead to the growth of mould.
Crude Drugs Cultivation Collection Processing and Storage
Information on proper storage practices of medicinal plants is rather sketchy and has not received due attention from experts till date. In general, the collected raw medicinal plant materials should not come into direct contact with the soil.
Medicinal plant materials should be exposed to direct sunlight only where there is a specific need for this mode of drying. Low humidity may be maintained using a desiccant in the container if necessary. Pharmacopoeial standards of some raw drugs native to Andhra Pradesh. Collecting implements, such as machetes, shears, saws and mechanical tools, should be kept clean and maintained in proper condition.
Crude Drugs Cultivation Collection Processing and Storage
Undertake a more in-depth global overview of the demand and supply of medicinalplants, herbal products and herbal drugs in order to clarify market issues, and considermore effective solutions. Medicinal plants should be harvested under the best possible conditions, avoiding dew, rain or exceptionally high humidity. Research and development on the chemical composition and the effect of poor practices on the active ingredients of the selected species. Personnel growers, collectors, producers, handlers, processors.
All medicinal plant materials should be inspected during the primary-processing stages of production, and any substandard products or foreign matter should be eliminated mechanically or by hand. Since many medicinal preparations of plant origin are taken over long periods of time, unlocking pdf files free the intake of residues from medicinal plants. Medicinal plant materials are supplied through collection from wild populations and cultivation.
Cultivation of medicinal plants requires intensive care and management. Good collection practices for medicinal plants.
Various parts developed for natural vegetative propagation have also been used for artificial vegetative propagation. Vegetative propagation can be defined as regeneration or formation of a new individual from any vegetative part of the plant body. However, it is well known that the concentration of biologically active constituents varies with the stage of plant growth and development. Health, hygiene and sanitation.
Selection of medicinal plants for collection. The present compilation highlights all such problems and issues from source raw material to finished product available in market. Efforts should be made to achieve uniform drying of medicinal plant materials and so avoid mould formation. Sample record for cultivated medicinal plants. These are then transferred into pots or nursery beds and allowed to grow into full plants.
Cultivation of medicinal plants faces a number of problems, partly due to the typicallysmall scale of operation. It is well known that the quantitative concentration of biologically active constituents varies with the stage of plant growth and development.
This part of stem is later detached from the parent plant and grown into a new plant. While a large range of bacteria and fungi form the naturally occurring micro flora of herbs, aerobic spore forming bacteria frequently predominate. If the collection site is located some distance from processing facilities, it may be necessary to air or sun-dry the raw medicinal plant materials prior to transport.
Plants like roses and chrysanthemum, etc do not form viable seeds. The period of growth or development at which medicinal activity is highest has been carefully determined for many plants. Those parts that come into direct contact with the collected medicinal plant materials should be free from excess oil and other contamination. The use of preservatives should be avoided. Cutting devices, harvesters, and other machines should be kept clean and adjusted to reduce damage and contamination from soil and other materials.
Do not collect the gums or resins from a tree continuously. An excess of water in medicinal plant materials will encourage microbial growth and also causes deterioration following hydrolysis. New variety is produced by joining parts of two different plants.
In this respect, attention must be paid to. The method of vegetative propagation involves separation of a part of plant body, which develops into a new plant. Cutting devices or harvesters must be adjusted such that contamination from soil particles is reduced to a minimum. Provision for artificial shading should be examined in the light of crop economics. The proportion, of alkaloid in the leaves of Hyocyamus Niger and of belladonna is largest at the beginning of flowering, whilst with Stromonium the peak coincides with full bloom.
This also applies to non-targeted toxic or poisonous indigenous plant ingredients. Establish a critical mass of cultivable land in order to guarantee larger consistentsupply.
India has a rich tradition of plant based health care systems contained in its classical texts like Charak Samhita and Sushruta Samhita. Fragile medicinal plant materials should be packaged in rigid containers. The low pressure maintained within the oven ensures rapid and complete drying. It is estimated that India contributes to Rs. Stem cutting are generally used to obtained new plants.
The rooted shoot of one plant, called stock, is joined with a piece of shoot of another plant known as scion. Storage and transportation. Value addition of the medicinal plants is very much essential for commercial exploitation as well as the medicinal value of the raw drugs. It must be promptly collected and transported in dry, clean conditions.
The tissue grows into a mass of undifferentiated cells called callus which later differentiates into plantlets. Current practices of harvesting, handling and production may cause additional contamination and microbial growth. The floor should be tidy, without cracks and easy to clean. Rose, citrus and rubber, etc.
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