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Volume 22, Issue 5 (7-2020)
Abstract

In this study,  the antimicrobial effect of  Coriandrum sativum L. leaves against 30 different foodborne microorganisms, including 20  bacteria, 7 fungi and, 3 yeast species, and some microbiological properties of yoghurt produced with  lyophilised Coriandrum sativum L. at three different level (0.1%, 0.2% and 0.3%) and sotored at 4°C for 21 days were examined. Ethanol extract of the fresh plant extracts showed antimicrobial activity against only 9 bacteria and 1 yeast with different zone changing from 8 to 12 mm, but had no effect on fungi used in the study. On the other hand, the addition of Coriandrum sativum L. inhibited the yeast and mould growt in yoğurt samples throught the 21 days of storage. Generally, the ratio of Coriandrum sativum L. increased the number of Lactobacillus bulgaricus, but decreased the number of Streptococcus thermophilus. However it was not important statistically (p<0.05). The results indicated that Coriandrum sativum L. can be used as a good source of preventing the growt of yeast and mould which effects the storage life of yoghurt.

 

Volume 26, Issue 6 (11-2024)
Abstract

In this study, various concentrations of Dried Apricot Pulp (DAP) were added to butter at levels of 0, 15, 20, and 25%, and its effects on antioxidant capacity, oxidative stability, color, and sensory attributes were assessed during 45 days of storage. Butter samples were labeled as A0 (Control), A15, A20, and A25 corresponding to the respective levels of DAP incorporation. The addition of DAP resulted in significant reductions in pH, while titratable acidity (expressed as lactic acid %) and free fatty acids (FFA) content (mg KOH g-1 butter) increased in a dose-dependent manner (P< 0.05). Fortification with DAP delayed peroxide formation in the butter samples. Additionally, DAP supplementation significantly (P< 0.05) increased Total Phenolic Content (TPC), improved DPPH (2,2-Diphenyl-1-Picrylhydrazyl) scavenging activity, and increased Total Antioxidant Capacity (TAC) during storage. Panelists assigned higher sensory scores to the DAP-enhanced butters. These fortified butters exhibited lower fat content (ranging from 65.25 to 65.50%) compared to the control butter (73.75%). Notably, the total sugar content of samples A15, A20, and A25 was 3.69±0.06, 4.70±0.06, and 5.64±0.08, respectively. Overall, this study demonstrates the potential of all DAP ratios, particularly 25%, as rich sources of antioxidants. However, further formulation adjustments and comprehensive analyses are warranted for industrial and marketing applications.


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