What does this Nardostachys spikenard oil look like — appearance, color, and consistency at room temperature?

An oily yellow to amber liquid, color ranging from yellow to dark brown amber; relative density 0.930–1.000 and refractive index 1.480–1.530 (20°C), optical rotation -30° to -10°. Slight natural shade variation between batches is normal; deeper amber-brown tones and a denser, resinous body usually indicate higher valeranone and sesquiterpene content.

This article was published on 2026-09-07, and last updated on 2026-09-07. The article will be continuously updated.