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fructose    音标拼音: [fr'ʌkt,os]
n. 果糖

果糖

fructose
n 1: a simple sugar found in honey and in many ripe fruits [synonym:
{fructose}, {fruit sugar}, {levulose}, {laevulose}]

Fructose \Fruc*tose"\ (fr[u^]k*t[=o]s" or fr[u^]k"t[=o]s), n.
[L. fructus fruit.] (Chem.)
Fruit sugar; levulose. [R.]
[1913 Webster]


Levulose \Lev"u*lose`\ (l[e^]v"[-u]*l[=o]s`), n. [See {Levo-}.]
(Chem.)
A sirupy variety of sugar, rarely obtained crystallized,
occurring widely in honey, ripe fruits, etc., and hence
called also {fruit sugar}; also called {fructose}. Chemical
formula: {C6H12O6}. It is called levulose, because it rotates
the plane of polarization of light to the left, in contrast
to {dextrose}, the other product of the hydrolysis of
sucrose. [Written also {laevulose}.]
[1913 Webster PJC]

Note: It is obtained, together with an equal quantity of
dextrose, by the inversion of ordinary cane or beet
sugar, and hence, as being an ingredient of invert
sugar, is often so called. It is fermentable, nearly as
sweet as cane sugar, and is metameric with dextrose.
Cf. {Dextrose}.
[1913 Webster]


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  • Fructose intolerance: Which foods to avoid? - Mayo Clinic
    Fructose is a sugar found naturally in fruits, fruit juices, some vegetables and honey Learn which foods to avoid if you have fructose intolerance
  • Fructose, dextrose, and phosphoric acid (oral route)
    Description Fructose, dextrose, and phosphoric acid combination is used to treat nausea and vomiting However, this combination has not been proven to be effective This medicine is available without a prescription
  • Phenylalanine in diet soda: Is it harmful? - Mayo Clinic
    Phenylalanine is in many protein-rich foods, such as milk, eggs and meat Phenylalanine also is sold as a dietary supplement The artificial sweetener aspartame (Equal, NutraSweet) has phenylalanine Aspartame is added to many medicines, diet foods and diet sodas In the United States, any product that has aspartame must carry a warning about the phenylalanine This warning helps people with
  • Glucose tolerance test - Mayo Clinic
    Overview The glucose tolerance test measures the body's response to sugar, also called glucose Another name for this test is the oral glucose tolerance test This test can be used to screen for type 2 diabetes or prediabetes before you have symptoms of either condition Or it can help find out whether diabetes is causing existing symptoms More often, a version of the test is used to check
  • Dumping syndrome - Symptoms causes - Mayo Clinic
    Dumping syndrome is a condition in which food, especially food high in sugar, moves from your stomach into your small bowel too quickly after you eat Sometimes called rapid gastric emptying, dumping syndrome most often occurs as a result of surgery on your stomach or esophagus Most people with dumping syndrome develop signs and symptoms, such as abdominal cramps and diarrhea, 10 to 30
  • Gout diet: Whats allowed, whats not - Mayo Clinic
    Sugar, especially high-fructose corn syrup Limit or don't eat foods sweetened with high-fructose corn syrup These may include cereals, baked goods, salad dressings and canned soups Too much sugar of any type may increase the risk of gout So limit all sweetened foods Ask your healthcare professional about:
  • Low-carb diet: Can it help you lose weight? - Mayo Clinic
    A low-carb diet is generally used for weight loss Some low-carb diets may have health benefits beyond weight loss, such as lowering your risk of type 2 diabetes and metabolic syndrome Why you might follow a low-carb diet You might choose to follow a low-carb diet because you:
  • Artificial sweeteners and other sugar substitutes - Mayo Clinic
    Many sugar substitutes taste sweeter than sugar So very little is needed to sweeten foods and drinks Other sugar substitutes called sugar alcohols are not as sweet as sugar Sugar substitutes are in many kinds of foods and drinks labeled sugar-free or diet That includes soft drinks, candy and baked goods
  • Honey - Mayo Clinic
    Honey is a sweet fluid made by honeybees using the nectar of flowering plants There are about 320 different varieties of honey, which vary in color, odor and flavor Honey contains mostly sugar, as well as a mix of amino acids, vitamins, minerals, iron, zinc and antioxidants In addition to its use as a natural sweetener, honey is used as an anti-inflammatory, antioxidant and antibacterial
  • Carbohydrates: How carbs fit into a healthy diet - Mayo Clinic
    Carbohydrates are sugars in food Carbohydrates also are the parts of food that the body doesn't digest, called fiber Carbohydrates are naturally found in fruits, vegetables, nuts, seeds, grains and dairy products Carbohydrates also may be added to processed foods For example, fructose is a type of carbohydrate in fruit, but it can be processed and used to sweeten drinks Inulin is a fiber





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