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RISS 인기검색어
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- 저자 : Al-Qadri, Fatima A. (검색결과 2 건)
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Improvement in Human Semen Quality After Oral Supplementation of Vitamin C
Noori S. Al-Waili,Mohammed Akmal,J.Q. Qadri,Shahiya Thangal,Afrozul Haq,Khelod Y. Saloom 한국식품영양과학회 2006 Journal of medicinal food Vol.9 No.3
This study was carried out to monitor the effect of oral supplementation of vitamin C on various semen para-meters in oligospermic, infertile, otherwise healthy individuals. Various semen parameters, including sperm motility, spermcount, and sperm morphology, were studied before and after the vitamin C treatment. A total of 13 infertile patients were in-cluded. Their ages ranged between 25 and 35 years. They had no genital infection or varicocel. Physical examination andother routine laboratory investigations were normal. General semen analysis revealed oligozoospermia (mean sperm countwas 14.3. 7.38. 106 sperms/mL, mean sperm with normal morphology was 43. 7.87%, and mean sperm motility was31.2. 9.61%). Testicular biopsy was not done. These patients received in an open trial of 1,000 mg of vitamin C twice dailyfor a maximum of 2 months. Results showed that the mean sperm count was increased to 32.8. 10.3. 106 sperms/mL (P..001) after 2 months of vitamin C intake. The mean sperm motility was increased significantly to 60.1. 8.47% (P. .001),. 4.77% (P. .001). This study showed that vita-min C supplementation in infertile men might improve sperm count, sperm motility, and sperm morphology and might havea place as an additional supplement to improve the semen quality towards conception.
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Mohamed, Mervate Mohamed,Alsaiari, Raiedhah,Al-Qadri, Fatima A.,Shedaiwa, Iman Mohammad,Alsaiari, Mabkhoot,Musa, Esraa Mohamed,Alkorbi, Faeza,Alkorbi, Ali S. The Corrosion Science Society of Korea 2022 Corrosion Science and Technology Vol.21 No.5
Cyclic Voltammetry and weight loss measurements were used to investigate corrosion prevention of tin in a 0.5M citric acid solution containing Anthocyanins extracted from grapes at various concentrations and temperatures. Results showed that the investigated chemicals, Anthocyanins extracted from grapes, performed well as tin corrosion inhibitors in 0.5M citric acid. Increasing the concentration of Anthocyanins increased their corrosion inhibition efficiencies. When the temperature dropped, their inhibition efficiencies, increased indicating that higher temperature tin dissolution predominated the adsorption of Anthocyanins at the surface of tin metal. When inhibitor concentrations were increased, their inhibition efficiencies were also increased. These results revealed that corrosion of tin metal was inhibited by a mixed type of adsorption on the metal surface. The adsorption isotherm of Langmuir governed the adsorption of Anthocyanins. Thermodynamic parameters such as the enthalpy of adsorption, the entropy of adsorption, and Gibbs free energy and kinetic parameters such as activation energy, enthalpy of activation, and entropy of activation were computed and discussed in this study.
ScienceON
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