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

Biological Activity Collagenic

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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
ANTHOCYANIDINS *
ASCORBIC-ACID *
ASIATIC-ACID *
AUCUBIN *
PROANTHOCYANIDINS *
ZINC *
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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
Tetragonia tetragonioides New Zealand Spinach 1 5, 000
Tetrapanax papyrifera Rice Paper Tree; Tong-Cao; Tung-Tsao 1 126
Theobroma bicolor Nicaraguan Cacao; Pataste 1 2, 020
Theobroma cacao Cacao 2 101
Theobroma speciosum Macambo 1 230
Thevetia peruviana Peruvian Yellow Oleander; Luckynut; Yellow Oleander; Oleandre Jaune (Fr.); Thevetie (Ger.); Loandro-Amarelo (Port.); Adelfa Amarilla (Sp.); Cabalonga (Sp.); Chirca (Sp.) 1 0
Thuja occidentalis Arbor-Vitae; Northern White-Cedar 1 0
Thymus vulgaris Common Thyme; Garden Thyme; Thyme 2 226.5
Tilia sp. Basswood; Lime; Linden 1 0
Trachyspermum ammi Ajwan 1 43
Tragopogon porrifolius Salsify 2 493
Tribulus terrestris Puncture-vine 1 420
Trichosanthes anguina Snakegourd 1 0
Trifolium pratense Red Clover; Purple Clover; Peavine Clover; Cowgrass 2 11, 864
Trigonella foenum-graecum Fenugreek; Greek Clover; Greek Hay; Bockshornklee (Ger.); Alholva (Sp.) 2 5, 600
Triticum aestivum Wheat 2 19
Tropaeolum majus Nasturtium 1 7, 550
Tropaeolum tuberosum Anu; Mashua 1 9, 600
Tulipa gesneriana Tulip 1 0
Turnera diffusa Damiana 2 986.7000000476837