Yıl: 2001 Cilt: 25 Sayı: 2 Sayfa Aralığı: 165 - 168 Metin Dili: İngilizce İndeks Tarihi: 29-07-2022

Seasonal variation in bovine luteal concentrations of B-Carotene

Öz:
ß-Carotene is present in extremely high concentrations in bovine corpus luteum. The aim of this study was to examine the extent of the seasonal variation in concentrations of luteal ß-carotene in cows. A total of 102 corpora lutea collected throughout all 12 months of the year were analysed by high performance liquid chromatography (HPLC). The mean ß-carotene concentration of the luteal tissues was 58.7 ± 4.5 µg/g. Bovine corpora lutea collected in the warmer months (May-Oct.) contained significantly (P<0.01) higher ß-carotene concentrations than those corpora lutea collected in the cold months (Nov-Apr). However, the ß-carotene concentrations of luteal tissues were highly variable among the animals used in the study. The ß-carotene content of individual bovine corpora lutea ranged from 5.8 µg to 216 µg per gram of tissue. The results of the present study show the fact that bovine corpora lutea collected in summer contained more ß-carotene than those collected in winter, indicating the existence of a feed-dependent factor on ß-carotene accumulation in bovine luteal tissue.
Anahtar Kelime: luteal cells seasonal variation HPLC corpus luteum winter summer beta-carotene cows

Konular: Ziraat Mühendisliği

İnek luteal dokusunun içerdiği Beta-Karoten miktarında gözlenen mevsime bağlı değişimler

Öz:
ß-Carotene is present in extremely high concentrations in bovine corpus luteum. The aim of this study was to examine the extent of the seasonal variation in concentrations of luteal ß-carotene in cows. A total of 102 corpora lutea collected throughout all 12 months of the year were analysed by high performance liquid chromatography (HPLC). The mean ß-carotene concentration of the luteal tissues was 58.7 ± 4.5 µg/g. Bovine corpora lutea collected in the warmer months (May-Oct.) contained significantly (P<0.01) higher ß-carotene concentrations than those corpora lutea collected in the cold months (Nov-Apr). However, the ß-carotene concentrations of luteal tissues were highly variable among the animals used in the study. The ß-carotene content of individual bovine corpora lutea ranged from 5.8 µg to 216 µg per gram of tissue. The results of the present study show the fact that bovine corpora lutea collected in summer contained more ß-carotene than those collected in winter, indicating the existence of a feed-dependent factor on ß-carotene accumulation in bovine luteal tissue.
Anahtar Kelime: HPLC sarı cisim kış yaz beta-karoten inek luteal hücreler mevsimsel değişimler

Konular: Ziraat Mühendisliği
Belge Türü: Makale Makale Türü: Diğer Erişim Türü: Erişime Açık
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APA ARIKAN Ş, RODWAY R (2001). Seasonal variation in bovine luteal concentrations of B-Carotene. , 165 - 168.
Chicago ARIKAN Şevket,RODWAY Richad G. Seasonal variation in bovine luteal concentrations of B-Carotene. (2001): 165 - 168.
MLA ARIKAN Şevket,RODWAY Richad G. Seasonal variation in bovine luteal concentrations of B-Carotene. , 2001, ss.165 - 168.
AMA ARIKAN Ş,RODWAY R Seasonal variation in bovine luteal concentrations of B-Carotene. . 2001; 165 - 168.
Vancouver ARIKAN Ş,RODWAY R Seasonal variation in bovine luteal concentrations of B-Carotene. . 2001; 165 - 168.
IEEE ARIKAN Ş,RODWAY R "Seasonal variation in bovine luteal concentrations of B-Carotene." , ss.165 - 168, 2001.
ISNAD ARIKAN, Şevket - RODWAY, Richad G.. "Seasonal variation in bovine luteal concentrations of B-Carotene". (2001), 165-168.
APA ARIKAN Ş, RODWAY R (2001). Seasonal variation in bovine luteal concentrations of B-Carotene. Turkish Journal of Veterinary and Animal Sciences, 25(2), 165 - 168.
Chicago ARIKAN Şevket,RODWAY Richad G. Seasonal variation in bovine luteal concentrations of B-Carotene. Turkish Journal of Veterinary and Animal Sciences 25, no.2 (2001): 165 - 168.
MLA ARIKAN Şevket,RODWAY Richad G. Seasonal variation in bovine luteal concentrations of B-Carotene. Turkish Journal of Veterinary and Animal Sciences, vol.25, no.2, 2001, ss.165 - 168.
AMA ARIKAN Ş,RODWAY R Seasonal variation in bovine luteal concentrations of B-Carotene. Turkish Journal of Veterinary and Animal Sciences. 2001; 25(2): 165 - 168.
Vancouver ARIKAN Ş,RODWAY R Seasonal variation in bovine luteal concentrations of B-Carotene. Turkish Journal of Veterinary and Animal Sciences. 2001; 25(2): 165 - 168.
IEEE ARIKAN Ş,RODWAY R "Seasonal variation in bovine luteal concentrations of B-Carotene." Turkish Journal of Veterinary and Animal Sciences, 25, ss.165 - 168, 2001.
ISNAD ARIKAN, Şevket - RODWAY, Richad G.. "Seasonal variation in bovine luteal concentrations of B-Carotene". Turkish Journal of Veterinary and Animal Sciences 25/2 (2001), 165-168.