Blackcurrant name is derived from "Ribes nigrum") and similar fruit syrups and juices. Raw blackcurrants are 82% water, 15% carbohydrates, 1% protein and 0.4% fat (table). Per 100 g serving providing 63 kilocalories, the raw fruit has high vitamin C content (218% of the Daily Value, DV) and moderate levels of iron and manganese (12% DV each). Other nutrients are present in negligible amounts (less than 10% DV, table). Polyphenol phytochemicals present in the fruit, seeds and leaves, are being investigated for their potential biological activities. Major anthocyanins in blackcurrant pomace are delphinidin-3-"O"-glucoside, delphinidin-3-"O"-rutinoside, cyanidin-3-"O"-glucoside, and cyanidin-3-"O"-rutinoside, which are retained in
Ribes menziesii the flower. The sepals are fuchsia or purple. The petals are white and extend forward to form a loose tube from which the stamens emerge. The plant fruits purple gooseberries which are edible but are mainly seeds with little fruit, generally regarded as unpalatable. The plant's spines also make collecting fruit difficult. "Ribes menziesii" is cultivated as an ornamental plant for native plant and wildlife gardens, in areas of suitable climate, such as coastal California. It is valued for its attractive spring blooms. Ribes menziesii Ribes menziesii, the canyon gooseberry, is a species of currant found only in California and