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2025, Vol: 15, Issue: 11
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Research Article


Protective effect of epigallocatechin-gallate in cryopreserved goat sperm on post-thawed quality

Yudit Oktanella, Ayunda A. Cahyani, Juhi S. Caula, Sabrina N. Fathiyananda, Fahrunnisak A. R. An-haru, Imam Mustofa, Suherni Susilowati, Nurhusien Y. Degu, Tatik Hernawati, Yayuk Kholifah.


Abstract
Background:
Cryopreservation is a useful technique for preserving goat sperm, but it often causes damage due to oxidative stress triggered by increased reactive oxygen species (ROS). One promising solution is the use of antioxidants, such as epigallocatechin gallate (EGCG), to reduce these harmful effects. EGCG has been recognised for its ability to safeguard sperm cells by supporting the normal function of mitochondria, regulating cell death mechanisms, and supporting genes involved in energy metabolism.

Aim:
This study aimed to evaluate the effects of different concentrations of EGCG added to semen extenders on the quality of goat sperm after thawing including motility, viability, and the expression of genes related to mitochondrial activity and apoptosis.

Methods:
Several concentrations of EGCG (ranging from 50 to 800 mg/dL) were tested. Post-thaw sperm motility and viability were analysed using Open CASA®. BCL-2 expression was observed using immunocytochemistry, while CPT2 gene expression was assessed by RT-qPCR. Statistical analyses were conducted using Duncan’s and Kruskal-Wallis tests, followed by pairwise comparisons.

Results:
The findings showed that 200 mg/dL of EGCG significantly improved sperm motility, while the 100 mg/dL dose helped maintain better viability after thawing. Interestingly, BCL-2 expression increased most notably at 500 mg/dL, indicating anti-apoptotic protection. Additionally, CPT2 gene expression was significantly upregulated at EGCG concentrations of 50, 100, 400, and 800 mg/dL compared to the control group.

Conclusion:
EGCG supplementation in goat semen extenders has a protective effect on post-thawed sperm by improving motility and viability and supporting mitochondrial and apoptotic pathways. These results suggest that EGCG can be a valuable additive for enhancing artificial insemination outcomes in goats.

Key words: Cryopreservation; EGCG; Food security; Gene expressions; Sperm quality.


 
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How to Cite this Article
Pubmed Style

Oktanella Y, Cahyani AA, Caula JS, Fathiyananda SN, An-haru FAR, Mustofa I, Susilowati S, Degu NY, Hernawati T, Kholifah Y. Protective effect of epigallocatechin-gallate in cryopreserved goat sperm on post-thawed quality. Open Vet. J.. 2025; 15(10): 5116-5127. doi:10.5455/OVJ.2025.v15.i10.29

Web Style

Oktanella Y, Cahyani AA, Caula JS, Fathiyananda SN, An-haru FAR, Mustofa I, Susilowati S, Degu NY, Hernawati T, Kholifah Y. Protective effect of epigallocatechin-gallate in cryopreserved goat sperm on post-thawed quality. https://www.openveterinaryjournal.com/?mno=272173 [Access: November 10, 2025]. doi:10.5455/OVJ.2025.v15.i10.29

AMA (American Medical Association) Style

Oktanella Y, Cahyani AA, Caula JS, Fathiyananda SN, An-haru FAR, Mustofa I, Susilowati S, Degu NY, Hernawati T, Kholifah Y. Protective effect of epigallocatechin-gallate in cryopreserved goat sperm on post-thawed quality. Open Vet. J.. 2025; 15(10): 5116-5127. doi:10.5455/OVJ.2025.v15.i10.29


Vancouver/ICMJE Style

Oktanella Y, Cahyani AA, Caula JS, Fathiyananda SN, An-haru FAR, Mustofa I, Susilowati S, Degu NY, Hernawati T, Kholifah Y. Protective effect of epigallocatechin-gallate in cryopreserved goat sperm on post-thawed quality. Open Vet. J.. (2025), [cited November 10, 2025]; 15(10): 5116-5127. doi:10.5455/OVJ.2025.v15.i10.29


Harvard Style

Oktanella, Y., Cahyani, . A. A., Caula, . J. S., Fathiyananda, . S. N., An-haru, . F. A. R., Mustofa, . I., Susilowati, . S., Degu, . N. Y., Hernawati, . T. & Kholifah, . Y. (2025) Protective effect of epigallocatechin-gallate in cryopreserved goat sperm on post-thawed quality. Open Vet. J., 15 (10), 5116-5127. doi:10.5455/OVJ.2025.v15.i10.29


Turabian Style

Oktanella, Yudit, Ayunda A. Cahyani, Juhi S. Caula, Sabrina N. Fathiyananda, Fahrunnisak A. R. An-haru, Imam Mustofa, Suherni Susilowati, Nurhusien Y. Degu, Tatik Hernawati, and Yayuk Kholifah. 2025. Protective effect of epigallocatechin-gallate in cryopreserved goat sperm on post-thawed quality. Open Veterinary Journal, 15 (10), 5116-5127. doi:10.5455/OVJ.2025.v15.i10.29


Chicago Style

Oktanella, Yudit, Ayunda A. Cahyani, Juhi S. Caula, Sabrina N. Fathiyananda, Fahrunnisak A. R. An-haru, Imam Mustofa, Suherni Susilowati, Nurhusien Y. Degu, Tatik Hernawati, and Yayuk Kholifah. "Protective effect of epigallocatechin-gallate in cryopreserved goat sperm on post-thawed quality." Open Veterinary Journal 15 (2025), 5116-5127. doi:10.5455/OVJ.2025.v15.i10.29


MLA (The Modern Language Association) Style

Oktanella, Yudit, Ayunda A. Cahyani, Juhi S. Caula, Sabrina N. Fathiyananda, Fahrunnisak A. R. An-haru, Imam Mustofa, Suherni Susilowati, Nurhusien Y. Degu, Tatik Hernawati, and Yayuk Kholifah. "Protective effect of epigallocatechin-gallate in cryopreserved goat sperm on post-thawed quality." Open Veterinary Journal 15.10 (2025), 5116-5127. Print. doi:10.5455/OVJ.2025.v15.i10.29


APA (American Psychological Association) Style

Oktanella, Y., Cahyani, . A. A., Caula, . J. S., Fathiyananda, . S. N., An-haru, . F. A. R., Mustofa, . I., Susilowati, . S., Degu, . N. Y., Hernawati, . T. & Kholifah, . Y. (2025) Protective effect of epigallocatechin-gallate in cryopreserved goat sperm on post-thawed quality. Open Veterinary Journal, 15 (10), 5116-5127. doi:10.5455/OVJ.2025.v15.i10.29


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