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Dr. Duke's  Phytochemical and Ethnobotanical Databases

Chemicals and their Biological Activities in: Rosa canina L. (Rosaceae) -- Dog Rose, Dogbrier, Rose

ALPHA-TOCOPHEROL Fruit 41 - 204 ppm - Anticataract; Antimaculitic;  Antiretinotic;

ASCORBIC-ACID Fruit 7,400 - 25,000 ppm - Anticataract 1 g 3x/day 350 mg/day 400 mg/day; Antiglaucomic 2 g/day; Antimaculitic; Antiretinotic;

BETA-CAROTENE Fruit 25 - 62 ppm Antimaculitic; Antiphotophobic 30-300 mg/man/day; Antixerophthalmic;

CHROMIUM Fruit 0.03 - 0.07 ppm Anticorneotic;

MAGNESIUM Fruit 560 - 2,090 ppm Antiglaucomic; Antiretinopathic 400 mg/day;

NIACIN Fruit: Antiamblyopic; Anticataract; Antiscotomic;

RIBOFLAVIN Fruit 7.2 ppm; Anticataract 15 mg/day;  Antiphotophobic;

SELENIUM Fruit 0.002 - 0.005 ppm   Anticataract 400 ug/day; Antimaculitic;

THIAMIN Fruit 3.8 ppm; Anticataract;

ZINC Fruit 9 - 23 ppm   Anticataract 30 mg/day; Antimaculitic;  Antinyctalopic;

ppm = parts per million
tr = trace