Citrus reticulata, fruit peel 55.8 mg
Crataegus pinnatifida, fruit 73.2 mg
Forsythia suspensa, fruit 45.7 mg
Hordeum vulgare, sprout 65.0 mg
Pinellia ternata, tuber 44.0 mg
Poria cocos, hyphae (hoelen, tuckahoe, Indian bread) 45.7 mg
Raphanus sativus, seed
45.7 mg