Sarments
Sarments are the dried, woody stems of grapevines. After the harvest, grapevines are pruned, and the cut stems are typically left to dry on the ground before being collected. These dried stems are primarily composed of lignified cellulose and have a high tannin content.
Historically, sarments served several purposes in viticulture and rural life. They were a common fuel source
The use of sarments as fuel is particularly notable. They burn with a distinct aroma and a