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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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Calcium-Antagonist

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List of activity chemicals.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Chemical Name Dosage Reference
VISNADIN IC50=49 uM gpg *
WARIFTEINE 100 uM gpg *
XANTHALIN IC50=2.4 ug/ml *
XANTHONOLOL 1 uM gpg *
XANTHOTOXIN IC50=551 uM gpg *
YOHIMBINE 3 uM rat *
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List of Activity Plants.
Click on column headings to sort table by that column.
Plant Name Common Name Chemical Count Total Parts Per Million
Piper nigrum Black Pepper; Pepper; White Pepper 9 34, 005
Piptanthus nanus 1 0
Piptanthus nepalensis 1 0
Pistacia vera Pistachio 1 1, 644
Pisum sativum Pea 5 17, 535.79999923706
Plantago asiatica Asian Plantain 1 5, 320
Plantago major Common Plantain 4 1, 060
Plantago ovata Blond Psyllium; Ispaghula; Spogel Seeds; Psyllium; Indian Plantago 1 0
Plantago psyllium Psyllium 2 510
Platonia insignis Bakuri; Pacouri 1 2, 380
Platycodon grandiflorum Balloon Flower; Chieh-Keng; Jie-Geng 2 4, 530
Plectranthus amboinicus Amboini Coleus; Country Borage; Cuban Oregano; French Thyme; Indian Borage; Soup Mint; Spanish Thyme; Mexican Mint 1 17, 160
Podocarpus spicatus 1 0
Podophyllum hexandrum Himalayan Mayapple 1 0
Podophyllum peltatum Mayapple 1 0
Podophyllum pleianthum Chinese Mayapple 1 0
Pogostemon cablin Patchouli 2 0
Polianthes tuberosa Tuberose 1 0
Polygala tenuifolia Chinese Senega 1 960
Polygonum multiflorum Chinese Cornbind; Fleeceflower; Fo Ti; He Shou Wu; Chinese Knotweed 7 31, 150