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 malvaceum source in habitat gardens. It thrives under oaks in bright dry conditions, and in many other locations. Pollination ecologists have reported the plant important as a honey plant for attracting large numbers of native bees. Ribes malvaceum Ribes malvaceum, the chaparral currant, is a member of the Grossulariaceae (gooseberry family). It is native to California and northern Baja California, where it occurs from sea level to , in chaparral, foothill oak woodland, and closed-cone pine forest habitats. "Ribes malvaceum" typically grows tall. This perennial shrub lacks the characteristic nodal spines which are demonstrated on the stems of many other members