OP 700 - Is it possible to press wheatgrass and nettle leaves? Gustav 04 August 2025 13:20 Updated No. The OP 700 oil press is used to extract oil from oily nuts, seeds and kernels. It is not a juicer. It cannot be used to juice soft foods. If you want to press juice from plants, we recommend a juicer. Related articles OP 700 - Is it possible to press lemon peel? OP 700 - Is it possible to extract oil from cherry pits? OP 700 - Is it advisable to pre-dry the ingredients? OP 700 - Is it possible to use black cumin seeds? OP 700 - Is it possible to dry walnuts by storing them (without using an oven)?