Drying sage (Salvia officinalis L.) in passive solar dryers
2011
Hassanain, A.A.,Suez Canal Univ., Ismailia (Egypt). Dept. of Agriculture Engineering
Sage plants were dried in passive dryers in different times of the year. Different passive solar dryers were used to achieve the socio-economical benefits from drying the medicinal plants growing in Sinai area. Four drying methods were used in this investigation to dry sage in two seasons, namely August 2009 and March 2010, before flowering stage. Plants were dried in an Unglazed transpired passive solar dryer with 100% exposure to direct sun's rays, in a greenhouse dryer covered with shading cloth with 50% exposure to direct sun's rays, and with 0% sun's rays in a shaded barn. Investigations were carried out under the environmental weather conditions of Ismailia, Egypt. The study revealed that sage can be dried at different times of the year even before the flowering stage of the plants.
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