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Dominican Medicinal Plants: A Guide for Health Care Providers

by Jolene E. Yukes and Michael J. Balick, PhD

by Jolene E. Yukes and Michael J. Balick, PhD

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Clinical Data: Vaccinium macrocarpon<br />

Activity/Effect Preparation Design & Model Results Reference<br />

Adherence<br />

Howell et al. 2005<br />

inhibition<br />

Antiinflammatory<br />

Antioxidant,<br />

antiatherosclerotic<br />

& antihyperlipidemic<br />

Antiurolithiasis<br />

Urinary tract<br />

infection (UTI)<br />

prevention<br />

A-linked<br />

proanthocyanidins<br />

from cranberry juice<br />

cocktail vs. B-linked<br />

proanthocyanidins<br />

from commercial<br />

grape & apple<br />

juices, green tea &<br />

dark chocolate<br />

Cranberry juice<br />

(250 mL three times<br />

daily <strong>for</strong> 2 wks)<br />

Flavonoid-rich<br />

cranberry juice<br />

supplements; 7<br />

mL/kg body weight<br />

of cranberry juice<br />

daily, administered<br />

orally<br />

Cranberry juice<br />

(330 mL) 3 × daily;<br />

consumed in place<br />

of mineral water in<br />

a standardized diet<br />

Cranberry juice<br />

(300 mL ingested<br />

daily)<br />

In vitro & human<br />

clinical trial; test<br />

urine <strong>for</strong> antiadhesion<br />

activity<br />

after consuming<br />

single servings of<br />

food product<br />

Placebo-controlled<br />

clinical trial; two<br />

groups of healthy<br />

female subjects (11<br />

per group)<br />

Clinical study; 21<br />

men, 14-day<br />

intervention<br />

Controlled, clinical<br />

trial: 12 healthy<br />

male subjects aged<br />

18-38 yrs<br />

Randomized,<br />

placebo-controlled,<br />

double-blind trial;<br />

376 older patients in<br />

hospital<br />

Cranberry exhibited in<br />

vitro adherence inhibition<br />

(of bacteria to host cell)<br />

at 60 µg/mL & in human<br />

urine following ingestion;<br />

recommended <strong>for</strong><br />

maintaining urinary tract<br />

health<br />

Significant increase in<br />

salicyluric & salicylic<br />

acids in urine and plasma;<br />

anti-inflammatory effect<br />

attributed to increased<br />

absorption of salicylic<br />

acid<br />

Significant increase in<br />

plasma antioxidant<br />

capacity & reduction in<br />

circulating oxidized LDL<br />

concentrations,<br />

supporting the potential<br />

use of cranberry in<br />

preventing heart disease<br />

Decreased urinary pH,<br />

increased excretion of<br />

oxalic acid & relative<br />

supersaturation <strong>for</strong> uric<br />

acid; recommended <strong>for</strong><br />

treatment of UTIs &<br />

brushite & struvite stones<br />

because of its acidifying<br />

effect on the urine<br />

No significant difference<br />

in incidence of UTIs in<br />

the placebo vs. treatment<br />

group; however, there<br />

were significantly fewer<br />

infections with<br />

Escherichia coli in the<br />

cranberry group<br />

Duthie et al. 2005<br />

Ruel et al. 2005<br />

Kessler et al.<br />

2002<br />

McMurdo et al.<br />

2005<br />

237

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