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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
Prunus armeniaca Apricot 3 783
Prunus cerasus Sour Cherry 2 880
Prunus domestica Plum 2 830
Prunus dulcis Almond 2 50
Prunus persica Peach 2 1, 195.5
Prunus salicifolia Capulin; Wild Cherry 1 2, 830
Prunus serotina Black Cherry; Wild Cherry 1 816
Psidium cattleianum Strawberry Guava 1 2, 100
Psidium guajava Guava 3 18, 343
Psophocarpus tetragonolobus Asparagus Pea; Goa Bean; Winged Bean 2 723
Psoralea esculenta Indian Bread-Root; Prairie Apple; Prairie Potato; Indian Turnip; Breadroot; Prairie Turnip 1 1, 026
Pueraria pseudohirsuta Chinese Kudzu 1 30
Pulsatilla chinensis Chinese Anemone 1 24
Punica granatum Pomegranate; Grenadier (Fr.); Granatapfelbaum (Ger.); Granatapfelstrauch (Ger.); Zakuro (Jap.); Romanzeiro (Port.); Granado (Sp.); Mangrano (Sp.) 2 5, 088
Pyrus communis Pear 2 276.6000003814697
Quararibea cordata Chupa-Chupa; Sapote 1 1, 320
Quercus alba White Oak 2 311.40000009536743
Quercus phellos Willow Oak 1 92
Quercus rubra Northern Red Oak 1 155
Quercus stellata Post Oak 1 52