Cryopreservation is at present the most reliable strategy to preserve plant germplasm. When aromatic plants are the object of conservation it is necessary to assess not only the genetic but also the phytochemical stability to ensure that plant material maintains its qualities after
storage. In this work we present molecular and phytochemical stability data related to a previously described vitrification-based cryopreservation protocol for Thymus moroderi Pau ex Martínez. RAPD markers have been used to assess the genetic stability of T. moroderi explants
and revealed 0.34% of variation in the cryopreserved material studied. Phytochemical data collected from GC-MS analysis of dichloromethane extracts from cryopreserved plantlets rendered a profile in which 1,8-cineole (14.5%), camphor (5.9%) and borneol (5.2%) were the major components. Both
data confirmed the suitability of the cryopreservation protocol applied.
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Document Type: Research Article
Publication date: March 1, 2013
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CryoLetters is a bimonthly international journal for low temperature sciences, including cryobiology, cryopreservation or vitrification of cells and tissues, chemical and physical aspects of freezing and drying, and studies involving ecology of cold environments, and cold adaptation
The journal publishes original research reports, authoritative reviews, technical developments and commissioned book reviews of studies of the effects produced by low temperatures on a wide variety of scientific and technical processes, or those involving low temperature techniques in the investigation of physical, chemical, biological and ecological problems.