Festive Food Pharmacy – Cranberries – Your own defence team to repel invaders.

cranberries

Cranberries have a documented medicinal history and were used by the Native American Indians as a nutritious addition to their diet normally sweetened with honey as of course the berries are very tart. The Indians also used the berries in poultices for wounds as they recognised the antibacterial and antibiotic effect of the fruit even if they could not scientifically prove these properties. Colonists, who had been introduced to the berry, exported it home to England at the beginning of the 18th century.

Modern research into the therapeutic properties of the cranberry is not one sided and there is usually a commercial reason behind all the debate! However, I have used cranberries for over 20 years personally, with family and clients, and certainly have found that there is  some truth to its health properties. Cranberries act like your own defence team to repel opportunistic invaders who are intent on stealing your health.

Most of us, before the 80’s, restricted cranberries in our diet to Christmas and the odd time we had turkey at other times in the year. Then came the very welcome news that for those of us, who suffered from attacks of bacterial cystitis, drinking the juice of these tart little red berries could bring relief. In fact drinking cranberry (although disputed in some scientific areas) can help prevent attacks of this painful condition. Cranberries contain a unique component in which is technically termed High molecular weight non-dialysable material or NDM for short. NDM prevents bacteria from clumping and damaging soft tissue in various parts of the body including the urinary tract. It is common for many over the counter cystitis treatments to contain cranberry combined with alkaline elements to reduce the build-up of acid.

Emerging evidence shows that this fruit is a lot more versatile than we thought and there are now several very good reasons to include cranberries on a daily basis in your diet.

Cranberry the antioxidant

A free radical is a molecule. A normal molecule has an even number of electrons and is considered stable. Free radicals on the other hand have an uneven number of electrons and are unstable. They are desperate to be like the normal molecules so they have to steal from them to get another electron. This of course means that they have created another free radical. More and more cells become damaged and leave the body open to many diseases – from cardiovascular to cancer.

The free-radicals cause cells to oxidise and die. The major damage is done to our DNA, which results in mutations and death of the cells. Our body does produce anti-oxidants and enzymes that can repair this damage if we eat healthily. However, as we get older so do our cells and it becomes harder to repair them and they die. This is ageing! In our brains when cells are damaged beyond repair you are susceptible to loss of co-ordination and memory and in extreme cases dementia.

To prevent this we need a diet that is very high in anti-oxidants, which work through the body immobilising free radicals and preventing damage. Cranberries contain one of the highest levels of anti-oxidants of most fruit and vegetables and that is why drinking at least one glass per day can provide you with enough of these defensive players to protect your brain.

Artery health

In the same way, flavonoids in Cranberries function as very potent antioxidants and may reduce the risk of atherosclerosis.

blocked arteries

Atherosclerosis is when the arteries become clogged and narrowed restricting blood flow to the heart. The most common cause is a build-up of LDL (Low-Density lipoproteins or lousy cholesterol) oxidising and causing plaque to cling to the walls of the arteries narrowing and hardening them. This can lead to angina, blood clots and heart attacks.

Cranberries contain the flavonoids and also polyphenol compounds that have been shown to help prevent the LDL from oxidising and therefore forming the dangerous plaque that leads to arterial disease.

Dental health – another good reason to drink cranberry juice.

When I left secretarial college, intent on a career on the stage, I took a job as a dental receptionist, which evolved, into my training as a dental nurse.

Canned drinks were becoming all the rage in the 60’s and I saw first-hand the corrosive damage that these sugary concoctions could inflict on tooth enamel. There was not the kind of education, dental hygiene products or electric toothbrushes in those days, but if there had been more of one type of drink around in those days we would have seen a lot less decay.

One would think that drinking cranberry juice with its natural sugars would have a harmful effect on the teeth but in fact the reverse is true. Cranberries actually help prevent dental problems.

plaque on teeth

A study published in the Journal of the American Dental Association reported that the unique component in cranberry juice that I mentioned earlier, NDM not only prevents bacteria attaching itself to soft tissue but to the harder substances such as enamel too.

Hundreds of different types of bacteria in the mouth clump together and attach themselves to the teeth and gums and over time harden causing cavities and gum disease. This film on the teeth becomes resistant to saliva, which would normally remove bacteria from the mouth and also our normal oral hygiene routines such as brushing. One of the most resistant bacteria in the mouth is Streptococcus and in tests indications showed that Cranberry mouthwash reduced the presence of this in the mouth significantly.

Other fruits were tested including Blueberries which are part of the same family as cranberries but the NDM was in much weaker concentrations in these and all other fruits tested.

My advice however is to steer clear of commercially produced juices which are low on cranberries and high on sugars.. I actually use concentrated cranberry which is quite expensive but I only use a teaspoon in a glass of water – it does not taste great but you soon get used to the taste.

Cranberry juice and peptic ulcers

Helicobacter Pylori (H.Pylori) bacteria can have a painful and devastating impact on the health of your stomach and also its ability to process the food that you eat.

A peptic ulcer is a sore on the lining of the stomach or duodenum, which is the beginning of the small intestine. They are quite common and one of the main causes is bacterial infection and the chief culprit is H.Pylori. It is not certain how people contract H.Pylori but it is believed that 20% of people under 40 and half of the population over 60 are infected with it.

H.Pylori weakens the protective mucous coating of the stomach and duodenum, which allows acid to get through to the sensitive lining beneath. Both the acid and the bacteria irritate the lining causing a sore or ulcer. H.Pylori is able to survive in stomach acid because it secretes enzymes that neutralise the acid. Once in the safety of the mucous lining the bacteria’s spiral shape allows it to burrow into the lining.

H.Pylori has also been associated with stomach cancer, acid reflux and gastritis. Finding a natural way to prevent H.Pylori from completing its mission is therefore a very prime research topic. As in dental health and in the urinary tract, the NDM prevents the H.Pylori from attaching itself to the lining of the stomach therefore preventing an ulcer developing.

Other benefits of cranberries

Emerging research is indicating that the benefits of cranberries are even more far reaching with research into its anti-viral properties in the treatment of infections such as herpes and the prevention of kidney infections and kidney stones. What is extremely interesting is the cranberries ability to inhibit the growth of common food related pathogens including Listeria and E.Coli 0157:H7. This antibiotic effect of cranberries was recognised centuries ago by the American Indians and it is a pity that we are only just catching up with these enlightened people.

How to eat cranberries

By far the best way to get your daily fix of cranberries is fresh, mixed with other fruit or juiced.

The recommended preventative ration of cranberry unsweetened juice (or concentrate – one measure mixed with  of water)  is two 10 oz. glasses per day. One in the morning and one in the evening it takes two hours for the antibacterial properties to be effective and they then last approximately twelve hours.

There are a number of concentrated cranberry products and they can be expensive but they do last a fair time using the small measure or cap provided.

 

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3 thoughts on “Festive Food Pharmacy – Cranberries – Your own defence team to repel invaders.

  1. Pingback: Festive Food Pharmacy – Cranberries – Your own defence team to repel invaders. | Smorgasbord – Variety is the spice of life

  2. Pingback: The Sixth Day of Christmas – Sound of Music, Cocktails, Music, Fine Art and Thrillers. | Smorgasbord – Variety is the spice of life

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