Leptin, a hormone secreted by adipocytes, is a signal to the brain to indicate high or low energy reserves [ 39], and its action both in the brain and on taste tissues may influence our need and preferences for energy-dense foods, including sweets (further discussed below under Biology and Genetics of Sweet Taste).
But Sweet goes back further still.
Dilute these sweet almonds still further by incorporating them into marzipan and you should no longer have to worry about cyanide levels in your slice of Christmas cake.
The result is that, whereas MacMillan's ballets brutally but excitingly addressed and undressed the sexual hypocrisy of high society, "Sweet Violets" goes further (it opens with a bedroom sex scene that ends in the man murdering the woman) by desensationalizing sex and female flesh.
Preliminary results from scientists at the Monell Chemical Senses Institute in Philadelphia indicate that humans also carry sequence variations in the gene, although whether those variations are responsible for differences in human sweet preferences awaits further study.
As evolution of the higher plants have progressed, some species have acquired further SWEET genes (Fig. 1).
If you're looking for more reasonably priced sweets, look no further than Whimsy & Spice, a Brooklyn based confectionery that doesn't sell chocolates for half a grand, but the cookies and marshmallows sure taste like a million bucks. .
This changes the nature of their friendship (closer to adult romance, further from sweet innocence) and their relation to the adult world, but it still works very touchingly; Christian Lavalle has real chivalry as the nephew-hero.
This original concept was developed further by Sweet (1958), Parker (1957), Dungey (1961) and Petschek (1964).
Proof that the gene truly encodes a sweet receptor will require further studies in mice and cultured cells.
