Heterologous Transplantation of Human Tumors

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Abstract
Expts. were done to develop improved methods of seed storage for industrial or food utilization where preservation of viability is not important. Prevention of deterioration may be effected by treating the seeds with chemicals to inhibit the biol. processes which cause heating and deterioration. The seeds are moistened and treated with the test chemical. They are placed into Dewar flasks through which air is drawn at a rate to support maximum heating. The temp. within the seeds is detd. by a thermocouple and potentiometer. After 1 wk. of storage under these conditions the seeds are removed and examined for evidence of deterioration. The response of the seeds is compared with untreated samples. By use of the method it is possible to detn. the conc. of inhibitor which will give about the same degree of inhibition as the standard conc. of ethylene chlorhydrin. All the chemicals were thus tested in conc. of about 0.38%. Those which had less activity than ethylene chlorhydrin were rejected. Since there was no reason to expect that the inhibitors would be equally effective on heating and lipolysis, the relative efficiency of each inhibitor was detd. with respect to both effects. The data reveal that many chemicals in fairly low concs. inhibit heating and lipolysis in moist flaxseed. This suggests their use in treating seeds on an industrial scale to improve their storage properties.

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