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Storage

Jun 30, 2020
Categories:  Scientific publication
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Author:  Vita Forest

Proper storage of collected and dried plant materials ensures long-term preservation of valuable properties and active substances. Dried medicinal plants are stored in tightly closed containers in dry (not more than 50% humidity), clean, well-ventilated rooms, protected from direct sunlight and pests.

When storing plant materials, it is necessary to ensure the stability of indicators: the optimum temperature is 10-18 ° C, humidity is about 13%. It is not allowed to store medicinal plants at temperatures below 0 ° C due to the destruction of the plasma structure of cells and the decay of active active substances. At elevated humidity values, a loss of active substances occurs, in particular glycosides and alkaloids.

Direct sunlight has a detrimental effect on the active properties of medicinal plant materials. They create favorable conditions for pests and destroy pigments, which leads to the fading of herbs and flowers, as well as the loss of presentation in general.

When storing plant materials, it is important to ensure good ventilation to remove excess moisture and heat in a timely manner. With weak air exchange, favorable conditions arise for the development of microorganisms, which leads to spoilage of raw materials.

Dried grass, roots and fruits should be kept separate from each other, flowers and leaves can be mixed. The most suitable containers are tin, nickel-plated cans, earthenware and metal utensils or boxes, wooden crates with cotton cloth at the bottom. It is advisable to keep the grass in paper or cloth bags. Odorous plants containing essential oils and other volatile substances are stored separately from odorless medicinal raw materials in dark glass jars with tight-fitting lids.

The shelf life of flowers, leaves, buds and herbs is 2-3 years; fruits - 2-4 years; kidneys - up to 3 years; underground organs (roots, rhizomes) - 3-6 years; bark - 3-4 years. With longer storage, the medicinal raw material loses its activity.

VitaForest ensures compliance with all storage rules for plant materials using automated humidity and temperature control systems. The employees of the quality control department constantly monitor storage facilities, periodically take samples of plant materials for analysis according to the main quality indicators. This ensures the delivery of a high-class product and a high content of active substances in the finished product throughout the entire shelf life.