نتایج جستجو برای: persea americana
تعداد نتایج: 7604 فیلتر نتایج به سال:
Half a century of research into the physiology and biochemistry of sun-shade acclimation in diverse plants has provided reality checks for contemporary understanding of thylakoid membrane dynamics. This paper reviews recent insights into photosynthetic efficiency and photoprotection from studies of two xanthophyll cycles in old shade leaves from the inner canopy of the tropical trees Inga sapin...
Mature avocado fruit (Persea americana Mill. cvs ‘Ettinger’, ‘Hass’, ‘Reed’ and ‘Fuerte’), harvested during the commercial harvesting season, were treated with various concentrations of 1-methylcyclopropene (1-MCP) for 24 h at 22°C and after ventilation, were exposed to 300 ml l ethylene for 24 h at 22°C. The fruit were then stored at 22°C in ethylene-free air for ripening assessment. Ethylene ...
A continuous exposure of intact avocados (Persea americana) to 400 mul/l of cyanide results in a rapid increase in the rate of respiration, followed by a rise in ethylene production, and eventual ripening. The pattern of changes in the glycolytic intermediates glucose 6-phosphate, fructose diphosphate, 3-phosphoglyceric acid, and phosphoenolpyruvate during the rapid rise in respiration in both ...
Mature avocado fruit (Persea americana Mill. cvs ‘Ettinger’, ‘Hass’, ‘Reed’ and ‘Fuerte’), harvested during the commercial harvesting season, were treated with various concentrations of 1-methylcyclopropene (1-MCP) for 24 h at 22°C and after ventilation, were exposed to 300 ml l ethylene for 24 h at 22°C. The fruit were then stored at 22°C in ethylene-free air for ripening assessment. Ethylene ...
Mitochondria from avocado (Persea americana Mill, var. Fuerte and Hass) can be rapidly prepared at every stage of ripening using differential centrifugation and self-generated Percoll gradients. The procedure results in improved oxidative and phosphorylative properties, especially for mitochondria isolated from preclimacteric fruits.A gradual change in the buoyant density of avocado mitochondri...
The effect of tonicity and metabolic inhibitors on respiration and ripening of avocado fruit slices.
The ripening of avocado (Persea americana Mill.) fruit slices was inhibited whether they were floated in water or in buffered aqueous 0.3 m mannitol, 0.25 m KCl, and sucrose. There was no evidence to support the contention that ripening occurred when the tonicity of the bathing medium was increased. Decreased gaseous exchange is considered to be a major cause of this inhibition because by utili...
Background: Candida albicans is the most common bacteria related to root canal treatment failure. Avocado seeds (Persea americana) contain terpenoids, alkaloids, flavonoids, steroids, saponins and tannins that have antibacterial activity. Purpose: To determine effect of avocado seed ethanol extract on C.albicans biofilm. Methods: The ATCC 10231 biofilm was evaluated by crystal violet assay. wer...
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