- Dec 9, 2018
What is the concentration difference between the seeds and the leaves during winter?I made the tincture of yew leaves last winter but I didn't use it. I had about 900 grams of leaves after I had crushed them which is probably too much. I tasted a little bit of tincture and I experienced a loss of hearing immediately. I could still hear but like through some walls. I thought maybe if I fail, I may become deaf or blind and didn't use it since I wasn't sure about the reliability of it and found very little information about consequences of surviving.
The leaves are more toxic than the seed. The concentration of taxine in the leaves are highest at winter (2.0%) and are lowest in the summer (0.6%). There are different kinds of yew trees, Taxus baccata and Taxus Cuspidata are the most toxic. Pacific yew contain minimal amounts of Taxine alkaloids and there are many more. How to distinguish between them, I have no idea.
I got everything I needed to know about making a tincture and other information from here: