Search

Start Over Subject olive oil

1. Effects of olive oil on superoxide dismutase activity in the brain of newborn and young female rats

Creator:
Pejić, S., Kasapović, J., and Pajovič, S. B.
Format:
print, bez média, and svazek
Type:
article, články, model:article, and TEXT
Subject:
Fyziologie člověka a srovnávací fyziologie, olivový olej, mozek, olive oil, brain, superoxide dismutase, 14, and 612
Language:
English
Description:
S. Pejić, J. Kasapović, S. B. Pajović. and Obsahuje bibliografii
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

2. Gas exchange in olive fruit

Creator:
Proietti, P., Famiani, F., and Tombesi, A.
Format:
bez média and svazek
Type:
model:article and TEXT
Subject:
chlorophyll, fruit growth, gross photosynthetic rate, irradiance response curve, Olea europaea L., olive oil, respiration rate, saccharides, stomatal conductance, and transpiration rate
Language:
Multiple languages
Description:
Dry matter (DM) of olive fruit (cv. Leccino) constantly increased from fruit-set (mid-June) to the end of October. The oil content increased rapidly from the beginning of August, about 40-50 d after full bloom (AFB), to the end of October. As the oil content increased, the saccharide content decreased. On a DM basis, fruit dark respiration rate (RD) and stomatal conductance (Gs) were high soon after fruit-set, then strongly decreased. Gross photosynthetic rate (PG) in full sunlight was high in the first 3 weeks after fruit-set, when the chlorophyll (Chl) content and the ratio between fruit surface area and volume were high, then it progressively decreased. The fruit intercellular CO2 concentration (Ci) was always relatively high, particularly from September onwards. The PG increased following the increase of irradiance (I). The daily PG trend was similar to the I and temperature trends, showing the maximum values at 14:00 h. For a large part of the fruit growing period, during daylight, the CO2 intake by a fruit permitted the reassimilation of a large part (40-80%) of the CO2 produced by RD. The stomata in the first stages of fruit growth were oval and surrounded by guard cells, two months later they lost their shape and were covered by wax. The reduction in fruit PG during fruit growth could be connected to the reduction of the ratio between fruit surface area and fruit volume and the cellular differentiation, whereas the constant high Ci seems to exclude the influence of Gs decrease. Even if olive fruit is highly heterotrophic organ, its photosynthesis can considerably reduce the use of assimilates for respiration and favour fruit maintenance and growth. and P. Proietti, F. Famiani, A. Tombesi.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

3. Superoxide dismutase activities in different tissues of female rats treated with olive oil

Creator:
Pajovic, S. B., Kasapovic, J., and Martinovic, J.
Type:
article, model:article, and TEXT
Subject:
superoxide dismutase, olive oil, brain, thymus, and liver
Language:
English
Description:
The activities of cytosol superoxide dismutase (CuZnSOD) and mitochondrial superoxide dismutase (MnSOD) were measured in subcellular fractions of homogenates prepared from the brain, thymus and liver of ovariectomized (OVX) female rats, non-treated or treated 24 h prior to sacrifice with a single s.c. dose of 0.1 ml olive oil. In the brain, neither MnSOD nor CuZnSOD were affected by olive oil, whereas in the thymus the olive oil injection elevated CuZnSOD and did not affect MnSOD activity. At the same time, the activity of CuZnSOD was reduced and that of MnSOD was elevated in the liver following oil treatment. These results suggest that olive oil has modulatory effects on the expression of CuZnSOD and MnSOD activity in the liver and of CuZnSOD in the thymus of female rats.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public