PJB-1979-1
Influenced of hydrostatic pressure on the release of dissolved organic substances from focus vesiculosus (phaeophyta).
Mustafa shameel
Abstract
Under the influence of high
hydrostatic pressure the thalli of focus vesiculosus L. release macromolecules. Which undergo a slow disintegration even after the removal of pressure . the amount of exudation is directly proportional to the length of incision given n the thallus. The excretion of organic substances increases with the rising pressure intensity (200 to 1000 atm) as well as the duration of its action (
1 to 10 hours). Temperature acts antagonistically to the pressure effects . the quantity of released macromolecules decreases with the increase in temperatue (50 to 300C). high temperatures (400C) however, intensity the pressure effects.
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