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 inerme three to five toothed lobes which may be divided partway into smaller lobes. The inflorescence is a solitary flower or raceme of up to five flowers which hangs pendent. The flower has five reddish green sepals which are reflexed upward. At the center are white or pinkish petals and protruding stamens and stigmas. The fruit is an edible hairless greenish, purple, or black berry roughly a centimeter (0.4 inch) wide. Ribes inerme Ribes inerme is a species of currant known by the common names whitestem gooseberry and white stemmed gooseberry. It is native to western North America from British Columbia