Wednesday, July 01, 2009

Know Your Probiotics

Probiotic strains differ in many ways:

Acid and bile resistance

Many probiotics are not able to survive the acid in the stomach and bile in the small intestine to reach the desired location in the gut (in some cases, fewer than 25% can make it through) – look for acid and bile resistant probiotics.

Colonizers vs. transients

Many probiotics are not able to colonize in the gut, they provide health benefits only on their way through the gut. Colonizers multiply and continue to provide benefits when they reach their destination. This is one of the reasons that some probiotics start with very large numbers of bacteria (often less than 25% even make it to the gut) and then the benefits are very transient. Colonizers can multiply from 100 to 200-fold so 5 billion will become 500 billion or more.

Production of enzymes

Some probiotics are able to produce enzymes that aid in digestion – proteases, lipases, amylases, cellulase and lactase. Natural production of digestive enzymes declines with age so it helps to have the microflora produce additional enzymes.

Production of vitamins

Some probiotics are able to produce vitamins to help the user meet nutritional needs. This is particularly important with vitamin B12 since we lose the ability to absorb B12 as we age.

Production of natural antibiotics

Some probiotics can produce other helpful substances like bacteriocins that reduce numbers of harmful bacteria (one example is acidophilin produced by Lactobacillus acidophilus DDS-1). Certain strains (like DDS-1) can produce hydrogen peroxide that helps to reduce Candida albicans (responsible for yeast overgrowth).

Source

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Comments:
Well said, Striving4Zen, there are some real benefits and basics you need to know about probiotics. On the antibiotic side of things, it's important to note that if you must go on traditional antibiotics it can be very beneficial to take probiotics during and after treatment. Antibiotics kill all the bacteria they encounter (good and bad). When good bacteria in your body gets depleted this way you can definitely feel it (i.e. antibiotic associated diarrhea). Probiotics help put back what the anti's take out, and it's recommended to take a full few month's worth after antibiotic treatment.
- Anna M
blog.nutri-health.com
 

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