Evening Primrose Oil - ( Oenothera biennis L.) - Evening primrose oil has an exceptionally fine texture and a faint musty odour. It is captured from the minute seeds of the bright yellow flowers which bloom only at night. The oil is especially vulnerable to heat, so most producers extract the substance by employing the petroleum-derived solvent, hexane. The resulting oil is golden yellow, and almost identical in chemical composition to that which is found within the seed. It is possible to obtain warm-pressed evening primrose oil (labelled 'cold-pressed'). Unfortunately, the warm-pressed oil must undergo a process of refining in order to remove the dust-like seed husks which saturate the product. Having been subjected to a certain amount of heat - albeit naturally generated - and the refining process itself, the end product is a pale shade of yellow and contains fewer nutrients. In this instance, it is difficult not to conce Evening Primrose Oil - 100% Pure, Cold Pressed (3.40 fl oz, ZIN: 428133): Evening Primrose Oil - ( Oenothera biennis L.) - Evening primrose oil has an exceptionally fine texture and a faint musty odour. It is captured from the minute seeds of the bright yellow flowers which bloom only at night. The oil is especially vulnerable to heat, so most producers extract the substance by employing the petroleum-derived solvent, hexane. The resulting oil is golden yellow, and almost identical in chemic Additional Details ------------------------------ Binding: Health and Beauty EAN: 0064434281336