May 29, 2008
Tomato Powder Strongest Against Prostate Cancer

In a study that throws doubt on lycopene as the source of suspected protective effects of tomatoes against prostate cancer a compound found in rehydrated tomato powder seems to deliver the biggest protective effect against prostate cancer.

COLUMBIA, Mo. – New cancer research from the University of Missouri suggests that eating a certain form of tomato product could be the key to unlocking the prostate cancer-fighting potential of the tomato. The positive effect of tomato products has been suggested in many studies, but, until now, researchers did not know exactly what caused this effect.

“It appears that the greatest protective effect from tomatoes comes from rehydrating tomato powder into tomato paste,” said Valeri Mossine, research assistant professor of biochemistry in the College of Agriculture, Food and Natural Resources. “Processing of many edible plants through heating, grinding, mixing or drying dramatically increases their nutritional value and cancer-fighting potential.”

Mossine and his colleagues found that FruHis – an organic carbohydrate present in dehydrated tomato products – exerts a strong protective effect against prostate cancer. Rats, injected with prostate cancer-causing chemicals, were divided into groups and fed different diets. The group fed a diet of tomato paste plus additional FruHis demonstrated the longest survival rate. Only 10 percent in that group had developed prostate tumors. Sixty percent in the control group had tumors; 30 percent of the group fed tomato powder had tumors; and 25 percent of the group fed tomato paste alone had prostate tumors.

“Before this study, researchers attributed the protective effect of tomatoes to ascorbic acid, carotenoids or phenolic compounds. FruHis may represent a novel type of potential dietary antioxidant,” Mossine said. “Our ongoing research now focuses on unraveling the mechanisms behind why this has a beneficial effect. This knowledge may lead to other avenues of research and drug development for prostate and other cancers. Results of this study certainly warrant clinical trials.”

Tomato paste still did pretty well and even did better than tomato powder that didn't have the extra FruHis added. So keep eating tomato paste.

Share |      Randall Parker, 2008 May 29 11:07 PM  Aging Diet Cancer Studies

Allan said at May 30, 2008 10:46 AM:

I like eating tomatoes ... so can someone clear this up for me. Is there any extra benefit for my prostrate from eating raw tomatoes (aside from the normal vitamins that are present). What is in the powder form that isn't in the tomato to begin with?

Randall Parker said at May 30, 2008 7:55 PM:


Raw uncooked tomatoes are probably the worst in terms of health benefit. Cooking and grinding break up cell walls and let compounds loose and make them more available for absorption.

tomfly said at June 1, 2008 9:33 AM:

Makes me wonder if tomato paste in a can is made from rehydrated tomato powder?

Grimmy said at June 2, 2008 8:18 AM:

Insist on processed food! :)

jcw3 said at June 2, 2008 9:24 AM:

Would sprinkling tomato powder on your food be just as beneficial?

TTT said at June 2, 2008 9:45 AM:

Cooking destroys Vitamin C, however. Keep that in mind as well.

The best is finely chopped, raw pieces of tomato (like in a Bruscheta).

gloss said at October 23, 2008 7:52 AM:

Grimmy: Processed foods are the worst thing you can ingest. So I have to disagree with you. Lycopene which is found in tomotoes and other red foods is a key agent in the research for prevention of prostrate cancers and other cancers for that matter...

From wikipedia:

...Because preliminary research has shown an inverse correlation between consumption of tomatoes and cancer risk, lycopene has been considered a potential agent for prevention of some types of cancers, particularly prostate cancer...

Again, processed and sugar induced foods are very negative to the immune system and for cancers. Eat WHOLE foods. Organics are a great choice for fruits....veggies..etcc

Martin Miller said at October 26, 2011 3:16 AM:

What surprises me is that over three years later, the public still thinks that Lycopene alone is effective against prostate cancer. I've seen either this study or one like it that demonstrated that WHOLE TOMATOES were far more effective than Lycopene. That Lycopene alone did NOTHING. I have seen in my research how whole foods over and over again are better than single isolates of "active" chemicals from them.
I have cancer, prostate cancer to be specific, and I make sure that there are a lot of phytonutrients in my diet (that were never there before) to help fight my cancer. I've done the research. I've poured my heart and soul into it hopefully that others can avoid what I've gone through in the last couple of years.

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