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Lactose Intolerance

Lactose Intolerance

Lactose intolerance, also called lactase deficiency and hypolactasia, is the inability to digest lactose, a sugar found in milk and to a lesser extent milk-derived dairy products. The principal symptom of lactose intolerance is an adverse reaction to products containing lactose, including abdominal bloating and cramps, diarrhea and more.

 

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Ceev Xiong

Ceev Xiong

42 Knowledge Cards

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The largest downfall of soy milk is the lack of calcium. It has only about a quarter of the calcium, compared to cow's milk. Many soy milk manufacturers are adding calcium to their products, but studies show that it is not as healthful as naturally-occuring calcium.

Article: Is Soy Milk Better Than C...
Source: SteadyHealth.com
Ceev Xiong

Ceev Xiong

42 Knowledge Cards 

Women who have had breast cancer are at risk from consuming soy milk.  Men produce fewer sperm, according to the journal Human Reproduction, after one portion of food that has soy.

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Soy milk, like cow's milk, is a good source of protein. It contains nearly 7 grams of protein per cup (240 ml). Unlike cow's milk, however, soy milk is low in fat and carbohydrate. That cup of soy milk offers only 4500 mg of fat with no cholesterol, and just 4 grams of carb.

Article: Is Soy Milk Better Than C...
Source: SteadyHealth.com
Ceev Xiong

Ceev Xiong

42 Knowledge Cards 

Soy milk does not contain lactose that may be found in cow milk.  Soy milk by itself does not contain a good source for calcium; however, manufacturers add calcium and B-vitamin fortification.

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Many foods can provide calcium and other nutrients the body needs. Non-milk products that are high in calcium include fish with soft bones such as salmon and sardines and dark green vegetables such as spinach.

Article: National Digestive Diseas...
Source: National Digestive Diseas...
Ceev Xiong

Ceev Xiong

42 Knowledge Cards 

The following non-diary food list from this source contain just as much calicium as milk:

  • Rhubarb, frozen, cooked, 1 cup 348 mg 
  • Sardines, with bone, 3 oz. 325 mg
  • Spinach, frozen, cooked, 1 cup 291 mg
  • Salmon, canned, with bone, 3 oz. 181 mg
  • Milk, reduced fat, vitamin D-fortified, 1 cup 285 mg
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If you drink a milkshake and soon afterward experience bloating, gas, abdominal pain, and diarrhea, the problem could be lactose intolerance--the incomplete digestion of the lactose in milk due to low levels of the intestinal enzyme lactase.

Article:   Discovering Nurtrition - …
Source:  Offline Book/Journal
Ceev Xiong

Ceev Xiong

42 Knowledge Cards 

Self-diagnosis of lactose intolerance is unhealthy and can jeapordize essential vitamins and calcium. 

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If lactase is deficient, undigested lactose enters the large intestine, where it is broken down by colonic bacteria, producing short-chain organic acids and gases (e.g., hydrogen, methane, carbon dioxide).

Article:   Discovering Nutrition - B…
Source:  Offline Book/Journal
Ceev Xiong

Ceev Xiong

42 Knowledge Cards 

Lactase enzymes are essential to breakdown lactose in the small intestine. 

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Lactose intolerance is very common in adults. It is rarely dangerous. Around 30 million American adults have some degree of lactose intolerance by age 20.

Article: PubMed Health
Source: U.S. National Library of ...
Ceev Xiong

Ceev Xiong

42 Knowledge Cards 

  • Normal condition among adult Asians, African, or Native American heritage. 
  • Less common among those from northern or western European backgrounds.
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[L]actase, any of a group of enzymes found in the small intestine, liver, and kidney of mammals that catalyze the breakdown of lactose (milk sugar) into the simple sugars glucose and galactose.

Article: lactase
Source: Britannica Online Encyclo...

Researchers have identified a possible genetic link to primary lactase deficiency. Some people inherit a gene from their parents that makes it likely they will develop primary lactase deficiency.

Article: National Digestive Diseas...
Source: National Digestive Diseas...
Ceev Xiong

Ceev Xiong

42 Knowledge Cards 

Injury to the small intestine may cause lactase deficiency. 

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Lactose is a type of sugar found in milk and other dairy products. Lactose intolerance develops when the small intestine does not make enough of an enzyme called lactase. The body needs this enzyme to digest lactose.

Article: PubMed Health
Source: U.S. national Library of ...

Lactose is a carbohydrate, and as such a disaccharide. One molecule of lactose is built from one molecule each of two other carbohydrates, galactose and glucose.The galactose and glucose moieties are linked together through a so called beta-(1,4) glucosidic linkage.

Article: Lactose Some basic proper...
Source: Lactose
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