Walnut

The walnut tree can grow up to 25 m high, the 40 cm long, green, glossy leaves are pinnate. Flowering time is April/May, the fruit, the walnut is a spherical drupe with dark brown discoloring fleshy shell with hard nutshell when ripe.

Phytotherapeutic uses are the dried leaves (walnut leaves - Juglandis folium).

Studies indicate antiproliferative activity of proteins and protein hydrolysates contained in walnut: walnut protein hydrolysates showed antiproliferative effect on breast cancer, colon cancer cell lines, carcinoma cells of prostate and also leukemia, as well as melanoma cells.

1. https://arzneipflanzenlexikon.info/walnut.php
2. Jahanbani R et al. (2016) Antioxidant and Anticancer Activities of Walnut (Juglans regia L.) Protein Hydrolysates Using Different Proteases. Plant Foods Hum Nutr.;71:402-409
3. Carrillo W et al. (2017) Antiproliferative Activity of Walnut (Juglans regia L.) Proteins and Walnut Protein Hydrolysates. J Med Food. 20:1063-1067