Abstract
Garlic (Allium sativum), a species in the onion Genus, plays an important role in Korean cuisine. However, because garlic is perishable, garlic powder is often used instead. Garlic powder is prepared by freeze-drying, spray-freeze drying, and/or microwave-vacuum drying. The aim of this study was to determine the aroma and sensory characteristics of commercial garlic powders using instrumental and descriptive analyses. A sensory lexicon describing 13 aroma characteristics of dried garlic powder was developed, and 35 volatile compounds were identified. This study confirmed several key compounds related to fresh-garlic aroma, including dimethyl disulfide and allyl methyl trisulfide, and identified allyl dimethyl trisulfide as a compound related to roasted-garlic aroma, with non-sulfur-containing compounds involved. The findings of this study can improve the understanding of organosulfur compounds that develop in dried garlic products during processing.
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