What is the chemical compound - or is it acidity? that is in cranberry juice…?

that makes it good for cystitis?

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Answer:
It was initially believed to function by acidifying urine. However, the mechanism is now thought to be inhibition of adhesion of bacteria to uroepithelial cells by proanthocyanadin, a compound present in cranberry.

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Answer:
Compounds in cranberry juice have the ability to change E. coli bacteria, a class of microorganisms responsible for a host of human illnesses (everything from kidney infections to gastroenteritis to tooth decay), in ways that render them unable to initiate an infection. The results of this new research by scientists at Worcester Polytechnic Institute (WPI) recommend that the cranberry may provide an alternative to antibiotics, particularly for combating E. coli bacteria that have become resistant to conventional treatment.

Energy 46 kcal in 100 gr

Fiber, total dietary 4.6 g 15.3%

Sugars, total 4.04 g

Calcium, Ca 8 mg 0.8%

Magnesium, Mg 6 mg 1.9%

Manganese, Mn 0.15 mg 7%

Phosphorus, P 13 mg 1.9%

Potassium, K 85 mg 1.8%

Sodium, Na 2 mg 0.1%

Vitamin C, total ascorbic acid 13.3 mg 16%

Vitamin A, IU 60 IU 9%

Vitamin K, mcg 5.1 mcg 6.4%

Carotene, beta 36 mcg ne

Lutein zeaxanthin 91 mcg ne

Cranberries are a source of polyphenol antioxidants, phytochemicals under active research for possible benefits to the cardiovascular system, immune system and as anti-cancer agents.