Lipid profiles of taste and non‐taste epithelial tissues from steer tongues

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Abstract
Some hypotheses on taste reception have implicated lipids of taste cells as major receptor constitutents. This study reports detailed lipid profiles of the taste bud-containing epidermis from circumvallate papillae and fungiform papillae as well as profiles from two non-taste bud tissues: circumvallate papillae dermis and epidermis from the lateral posterior of the tongue. Differences in levels of triglycerides and phosphatidylcholines were observed but these were not directly related to the presence of taste buds. At this level of analysis, it is evident that there are no unusual distributions of phospholipid classes in the taste bud epidermis when compared with the non-taste bud lingual epidermis.