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Potential Utilization of Green Tea Leaves and Fenugreek Seeds Extracts as Natural Preservatives for Pacific White Shrimp During Refrigerated Storage.
Foodborne Pathog Dis. 2018 08; 15(8):498-505.FP

Abstract

Ethanolic extracts of green tea leaves (GTE) and fenugreek seeds (FSE) were screened for their antibacterial activity against four food pathogenic strains using disc diffusion method. The two extracts revealed antimicrobial activity against selected bacterial strains. GTE showed the highest antibacterial activity to Escherichia coli and Staphylococcus aureus at a concentration of 1% with inhibition zone equal to 29.45 ± 0.64 mm and 25.68 ± 1.2 mm, respectively. In addition, the effect of GTE and FSE combined with chitosan coating on the shelf life of Pacific white shrimp (PWS) (Litopenaeus vannamei) during refrigerated storage have been studied. Our results indicated that using GTE or FSE during the refrigerated storage of PWS led to significantly decreased Total Volatile Bases Nitrogen, Thiobarbituric acid reacting substances, total bacterial count, and pH. The sensory properties of PWS have improved considerably in the samples treated GTE or FSE. These findings suggested that the application of chitosan coating combined with GTE or FSE to PWS is advisable to achieve better quality during refrigerated storage.

Authors+Show Affiliations

1 College of Food Science and Pharmaceutics, Zhejiang Ocean University , Zhoushan, China . 2 Faculty of Environmental Agricultural Science, Arish University , North Sinai, Egypt .1 College of Food Science and Pharmaceutics, Zhejiang Ocean University , Zhoushan, China .1 College of Food Science and Pharmaceutics, Zhejiang Ocean University , Zhoushan, China . 3 United Key Laboratory of Aquatic Products Processing of Zhejiang Province , Zhoushan, China .1 College of Food Science and Pharmaceutics, Zhejiang Ocean University , Zhoushan, China . 3 United Key Laboratory of Aquatic Products Processing of Zhejiang Province , Zhoushan, China .4 Zhoushan Institute of Food and Drug Inspection , ZhouShan, China .1 College of Food Science and Pharmaceutics, Zhejiang Ocean University , Zhoushan, China . 3 United Key Laboratory of Aquatic Products Processing of Zhejiang Province , Zhoushan, China .

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

29812964

Citation

Hatab, Shaimaa, et al. "Potential Utilization of Green Tea Leaves and Fenugreek Seeds Extracts as Natural Preservatives for Pacific White Shrimp During Refrigerated Storage." Foodborne Pathogens and Disease, vol. 15, no. 8, 2018, pp. 498-505.
Hatab S, Lin K, Miao W, et al. Potential Utilization of Green Tea Leaves and Fenugreek Seeds Extracts as Natural Preservatives for Pacific White Shrimp During Refrigerated Storage. Foodborne Pathog Dis. 2018;15(8):498-505.
Hatab, S., Lin, K., Miao, W., Chen, M., Lin, J., & Deng, S. (2018). Potential Utilization of Green Tea Leaves and Fenugreek Seeds Extracts as Natural Preservatives for Pacific White Shrimp During Refrigerated Storage. Foodborne Pathogens and Disease, 15(8), 498-505. https://doi.org/10.1089/fpd.2017.2422
Hatab S, et al. Potential Utilization of Green Tea Leaves and Fenugreek Seeds Extracts as Natural Preservatives for Pacific White Shrimp During Refrigerated Storage. Foodborne Pathog Dis. 2018;15(8):498-505. PubMed PMID: 29812964.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Potential Utilization of Green Tea Leaves and Fenugreek Seeds Extracts as Natural Preservatives for Pacific White Shrimp During Refrigerated Storage. AU - Hatab,Shaimaa, AU - Lin,Kaihe, AU - Miao,Wenhua, AU - Chen,Meiling, AU - Lin,Jiheng, AU - Deng,Shanggui, Y1 - 2018/05/29/ PY - 2018/5/31/pubmed PY - 2019/5/29/medline PY - 2018/5/30/entrez KW - Pacific white shrimp KW - antibacterial activity KW - fenugreek seeds extract KW - food pathogenic bacteria KW - green tea leaf extract KW - shelf-life SP - 498 EP - 505 JF - Foodborne pathogens and disease JO - Foodborne Pathog Dis VL - 15 IS - 8 N2 - Ethanolic extracts of green tea leaves (GTE) and fenugreek seeds (FSE) were screened for their antibacterial activity against four food pathogenic strains using disc diffusion method. The two extracts revealed antimicrobial activity against selected bacterial strains. GTE showed the highest antibacterial activity to Escherichia coli and Staphylococcus aureus at a concentration of 1% with inhibition zone equal to 29.45 ± 0.64 mm and 25.68 ± 1.2 mm, respectively. In addition, the effect of GTE and FSE combined with chitosan coating on the shelf life of Pacific white shrimp (PWS) (Litopenaeus vannamei) during refrigerated storage have been studied. Our results indicated that using GTE or FSE during the refrigerated storage of PWS led to significantly decreased Total Volatile Bases Nitrogen, Thiobarbituric acid reacting substances, total bacterial count, and pH. The sensory properties of PWS have improved considerably in the samples treated GTE or FSE. These findings suggested that the application of chitosan coating combined with GTE or FSE to PWS is advisable to achieve better quality during refrigerated storage. SN - 1556-7125 UR - https://www.unboundmedicine.com/medline/citation/29812964/Potential_Utilization_of_Green_Tea_Leaves_and_Fenugreek_Seeds_Extracts_as_Natural_Preservatives_for_Pacific_White_Shrimp_During_Refrigerated_Storage_ DB - PRIME DP - Unbound Medicine ER -