Skip to Main Content
Polyamines and inorganic ions extracted from woody tissues by freeze-thawingAuthor(s): Rakesh Minocha; Walter C. Shortle
Source: In: Vozzo, J.A., comp. Research and applications of chemical sciences in forestry, proceedings of the 4th Southern Station Chemical Society; 1994 February 1-2; Starkville, MS. Gen. Tech. Rep. SO-104. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station: 28-37.
Publication Series: Other
Station: Northern Research Station
PDF: View PDF (696.78 KB)
DescriptionA simple and fast method for extraction of major inorganic ions (Ca, Mg, Mn, K, and P) and cellular polyamines from small quantities of wood and woody plant tissues is described. The method involves repeated freezing and thawing of samples instead of homogenization or wet ash digestion. The efficiency of extraction of both polyamines and inorganic ions by these methods was compared for 10 different tissues. Drillbit shavings generated from wood disks or increment cores were also compared with ground wood as the starting material for ion analysis by this newly developed method of freeze-thawing. Direct use of drillbit shavings circumvents the need for making wood chips by hand and grinding in a Wiley mill. Moreover, freeze-thawing not only eliminates the need for various tissue homogenizers but is also simple enough that a large number of samples can be processed simultaneously. This method seems to be particularly useful with extremely small samples of 25 mg or less, e.g., shavings from individual growth rings of mature trees and differentiating tissues grown in vitro.
- Check the Northern Research Station web site to request a printed copy of this publication.
- Our on-line publications are scanned and captured using Adobe Acrobat.
- During the capture process some typographical errors may occur.
CitationMinocha, Rakesh; Shortle, Walter C. 1994. Polyamines and inorganic ions extracted from woody tissues by freeze-thawing. In: Vozzo, J.A., comp. Research and applications of chemical sciences in forestry, proceedings of the 4th Southern Station Chemical Society; 1994 February 1-2; Starkville, MS. Gen. Tech. Rep. SO-104. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station: 28-37.
- A rapid and reliable procedure for extraction of cellular polyamines and inorganic ions from plant tissues
- Fast, safe, and reliable methods for extraction of major inorganic cations from small quantities of woody plant tissues
- Extraction and estimation of the quantity of calcium oxalate crystals in the foliage of conifer and hardwood trees
XML: View XML