Protecting probiotics from the stomach — ScienceDaily


Posted On May 14 2010 by

coli can have on your digestive system. “If you are looking to supplement your diet with L. acidophilus, Bio-K Plus is a reputable brand.” Check out some of the other health benefits of probiotics. In fact, in Europe, it’s actually illegal to market something as probiotic without proof. So while we, at Seed, certainly adhere to FDA regulations, we actually look to even higher global standards like the European Food Safety Authority (EFSA) and Japan’s Foods for Specified Health Uses (FOSHU) in the manufacture and translation of probiotics.

The problem is that even if you remember to take a probiotic everyday, if you aren’t taking a good quality one, then there is pretty much zero chance that it will actually make a difference to the type and amount of bacteria in your gut. Probiotics are live bacteria and yeasts that are called the “good” microorganisms because they benefit the body, specifically the digestive system, by helping digest food, destroying disease-causing microorganisms, and producing vitamins. Probiotics available in some foods and dietary supplements are similar to the probiotics that exist naturally in your gut. Probiotics are microorganisms – typically bacteria – that are thought to be beneficial to digestion and in preventing certain illnesses. Sometimes called “good” or “friendly” bacteria, probiotics are available in supplement form and are added to foods such as yogurt.

Lactoferrin and its fragments do, to some extent, survive their passage through the gastrointestinal tracts of infants (72, 73). On the other hand, the iron required for bifidobacterial growth can also be supplied by free ferrous iron, which is likely to exist in the anaerobic environment of the colon (74). Lactoferrin is better known as a bacterial inhibitor than as a promoter, although the opposite is true for mammalian cells in culture (75). The most promising approach for enhancing the role of endogenous probiotic organisms in the gut is the use of prebiotics. Prebiotics are simple, naturally occurring or synthetic sugars that are normally indigestible in the human gut but that are used by certain colonic bacteria, especially bifidobacteria, as a carbon source for growth and metabolism (76).

bulgaricus and S. thermophilus are still strongly debated (13, 33). As indicated by Guarner et al. (13), recent scientific developments have challenged the validity and usefulness of the in vitro selection criteria traditionally proposed for probiotics. “The yeast that comes from refined carbohydrates and sugars and processed foods causes yeast infections or candida.

Prebiotics and Probiotics

Here are some best practices for doing so. Although fermented foods are made with live cultures, they cannot automatically be deemed a ‘probiotic’ unless the strains contained have been studied and shown to confer a health benefit. Probiotics are live bacteria found naturally in the gut, as well as in select foods and supplements.

To confer benefits, microorganisms must survive the many stages of digestion (think stomach acid and bile), past the small intestine, and make it into the colon, where their work begins. As we mentioned above, probiotics live in your colon – the very last portion of your digestive tract.

A similar scenario was evident in adults. In volunteers with a median age of 31.5 y, Bifidobacterium longum administration (as a pharmaceutical) resulted in higher fecal bifidobacterial and lower clostridial counts, lower fecal pH, and lower fecal ammonia concentrations (23). In another study, in 64 females with a mean age of 24 y, L. GG administration resulted in L. GG recovery in the feces and a decline in fecal β-glucuronidase, nitroreductase, and glycocholic acid hydrolase activities.

This means each specific strain (not just the species) must have been clinically studied and shown to be beneficial. Live probiotic cultures are part of fermented dairy products, other fermented foods, and probiotic-fortified foods. Add dairy.

The way they’ve done this is you feed people with having established a baseline of what’s already in their gut. Genetically, you feed them some of these probiotics. You then collect samples that are leaving their body and again, you can either try to directly culture or you genetically interrogate by getting DNA out of the poo, what’s growing in there and you can prove what the lag time is, when these bugs turn up and how long they dwell in the body after you’ve eaten them.

probiotic stomach acid survive

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