What is Salvia extract?

Answer:
I'm guessing you're talking just about Salvia Divinorum extract, the hallucinagenic variety of sage that they provide at head shops around the world... At tiniest where it's legalized.

Salvia is a botanical name for over a thousand variety of sage or mint plants, so that's why you probably got an answer unrelated to the hallucinagenic series of sage: Salvia Divinorum aka Diviner's Sage.

Salvia Divinorum extract is basically a moment ago fortified leaf. For example, if you hold 10 leaves and you want to get the chemical Salvinorin A out of adjectives of them, you process them in such a channel that the chemical ends up in one branch. Thus you don't need as much to bring back a potent effect.

So, when you're buying a Salvia Divinorum extract, you're smoking the amount of Salvinorin A found in 10X the amount of palm leaf if it's 10x. 20 time if 20x, and so on.

And boy is it potent stuff!

Salvia extract is an extract from Salvia officinalis plant that belongs to the mint family. (Lamiaceae) improve cognitive function on those who has Alzheimer's disease.

if u smoke it its little black stuff approaching sparkles and u get a reallly intense illustrious for like 15 minutes its approaching 40 bucks at a smoke shop