Drinks that smell sweet are going to be taste more sweet, it doesn't mean that there is more sugar in it. Toby Maloney's Eeyore’s Requiem calls to express oils of three orange peels over the cocktail.
In 2013 Cadbury changed the shape of their chocolate, keeping the recipe the same. The rounder shape tasted sweeter.
In the Brochet Experiment the same dry white Bordeaux wine, only when dyed red had notes of crushed red fruit. Would a bar with red lighting have sweeter drinks?
In the paper. Composing with Cross-modal Correspondences: Music and Odors in Concert. published in Chemosensory Perception. Higher pitch sounds corresponds to sweeter tastes.
Professor Charles Spence at Oxford University coined the term sonic seasoning. High pitched sounds change sweetness perception by 10% to 15%.
On a biological level, younger adults taste sweetness in lower concentrations of sugar than in older adults.
Sweet is a perception and we must seperate what goes on in the brain from sugar in the glass.
