sweetness - определение. Что такое sweetness
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Что (кто) такое sweetness - определение

BASIC TASTE
Sweet stuff; Glucophore; Glycophore; Sweet taste; Sweet; Sweeter; Sweetest; Food sweetening; Sweeet; Sweetening; Sweet (taste)
  • George Henry Hall]]
  • Sweetness is perceived by the taste buds.
  • [[Lugduname]] is the sweetest chemical known.
  • Sweet foods, such as this [[strawberry]] [[shortcake]], are often eaten for [[dessert]].

sweetness         
1.
If you say that a relationship or situation is not all sweetness and light, you mean that it is not as pleasant as it appears to be.
It has not all been sweetness and light between him and the Prime Minister.
PHRASE: with brd-neg, usu v-link PHR
2.
see also sweet
sweetness         
n.
1.
Sweet.
2.
Agreeableness, pleasantness.
3.
Beauty, fairness, loveliness.
4.
Amiableness, gentleness, mildness, suavity.
Sweetness         
·noun The quality or state of being sweet (in any sense of the adjective); gratefulness to the taste or to the smell; agreeableness.

Википедия

Sweetness

Sweetness is a basic taste most commonly perceived when eating foods rich in sugars. Sweet tastes are generally regarded as pleasurable. In addition to sugars like sucrose, many other chemical compounds are sweet, including aldehydes, ketones, and sugar alcohols. Some are sweet at very low concentrations, allowing their use as non-caloric sugar substitutes. Such non-sugar sweeteners include saccharin and aspartame. Other compounds, such as miraculin, may alter perception of sweetness itself.

The perceived intensity of sugars and high-potency sweeteners, such as Aspartame and Neohesperidin Dihydrochalcone, are heritable, with gene effect accounting for approximately 30% of the variation.

The chemosensory basis for detecting sweetness, which varies between both individuals and species, has only begun to be understood since the late 20th century. One theoretical model of sweetness is the multipoint attachment theory, which involves multiple binding sites between a sweetness receptor and a sweet substance.

Studies indicate that responsiveness to sugars and sweetness has very ancient evolutionary beginnings, being manifest as chemotaxis even in motile bacteria such as E. coli. Newborn human infants also demonstrate preferences for high sugar concentrations and prefer solutions that are sweeter than lactose, the sugar found in breast milk. Sweetness appears to have the highest taste recognition threshold, being detectable at around 1 part in 200 of sucrose in solution. By comparison, bitterness appears to have the lowest detection threshold, at about 1 part in 2 million for quinine in solution. In the natural settings that human primate ancestors evolved in, sweetness intensity should indicate energy density, while bitterness tends to indicate toxicity. The high sweetness detection threshold and low bitterness detection threshold would have predisposed our primate ancestors to seek out sweet-tasting (and energy-dense) foods and avoid bitter-tasting foods. Even amongst leaf-eating primates, there is a tendency to prefer immature leaves, which tend to be higher in protein and lower in fibre and poisons than mature leaves. The 'sweet tooth' thus has an ancient heritage, and while food processing has changed consumption patterns, human physiology remains largely unchanged.

Примеры употребления для sweetness
1. He‘s a man of great sweetness of nature, thoughtfulness, generosity.
2. Its creamy sweetness had a hint of excess despite the Spartan design of the package.
3. The sultanas give it a hint of sweetness – its saving grace – making this at least edible.
4. Nothing wrong with being an optimist, or spreading a little sweetness and light.
5. Smiling soldiers helped themselves to the unpicked grapes, once famous throughout Asia for their sweetness.