The effects of adding garlic (Allium sativum L.) on the volatile composition and quality properties of yogurt
AUTOR(ES)
ARSLANER, Ayla
FONTE
Food Sci. Technol
DATA DE PUBLICAÇÃO
2020-12
RESUMO
Abstract In this study, the effects of adding garlic (Allium sativum L.) of different origins on the volatile composition and quality properties of yogurt were investigated on day 1, 7 and 14 of storage. The addition of garlic did not cause a decrease in the total specific microorganism count (>107) in yogurt samples, and it led to a significant decrease in the yeast–mould count compared to the control. Seventy-four volatile compounds were identified in the samples, consisting of 15 carbonyl compounds, 9 aliphatic hydrocarbons, 8 acids, 3 alcohols, 6 esters, 12 sulfur-containing compounds, 12 terpenes and 9 heterocyclic compounds. Acetaldehyde, 2,3-butanedione, acetoin, hexanoic acid, tetramethylthiourea and 1,2-dihydro-2,2,4-trimethyl-quinoline were the major volatile compounds found in all yogurt samples. Although they were poor in terms of terpenes compared to the control, strong sulfurous components were detected in yogurt samples with garlic. It has been determined that the addition of garlic of different origins significantly changed the aromatic profile of the yogurt. In the sensory analyses, 1.0% domestic garlic was the sample most preferred by the panelists.
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