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Ascorbic acid in buffalo ovary in relation to oestrous cycle.

S K Meur1, P C Sanwal, M C Yadav

  • 1Division of Physiology and Climatology, Indian Veterinary Research Institute, Izatnagar, India.

Indian Journal of Biochemistry & Biophysics
|November 5, 1999
PubMed
Summary

Ascorbic acid levels in buffalo ovaries vary throughout the oestrous cycle, with the corpus luteum showing the highest concentration in the late luteal stage. Small follicles also contain more ascorbic acid than large ones.

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Area of Science:

  • Reproductive biology
  • Biochemistry
  • Veterinary science

Background:

  • Ascorbic acid (vitamin C) plays a crucial role in various physiological processes, including steroidogenesis and antioxidant defense.
  • Understanding its distribution within the buffalo ovary is essential for reproductive health management.

Purpose of the Study:

  • To investigate the concentration of ascorbic acid in different buffalo ovarian tissues.
  • To determine how ascorbic acid levels change across various stages of the oestrous cycle.

Main Methods:

  • Buffalo ovaries were analyzed at four oestrous cycle stages: early luteal, mid luteal, late luteal, and follicular.
  • Ovarian tissues were dissected into corpus luteum, follicular fluid, and stromal tissue for ascorbic acid assay.

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Main Results:

  • Corpus luteum exhibited significant changes in ascorbic acid concentration, peaking during the late luteal stage.
  • Follicular fluid and ovarian stromal tissue showed no significant ascorbic acid variations across oestrous cycle stages.
  • Small follicles contained significantly higher ascorbic acid levels compared to large follicles, irrespective of the cycle stage.

Conclusions:

  • Ascorbic acid concentration in the buffalo corpus luteum is dynamic and stage-dependent during the oestrous cycle.
  • Follicular size, rather than the oestrous cycle stage, influences ascorbic acid content in ovarian follicles.