Table 5 The origin and harvesting time of the samples obtained from the natural accessions.

From: The role of centrifugal partition chromatography in the removal of β-asarone from Acorus calamus essential oil

Code

Origin

(place/region)

Elevation

(m amsl)

Latitude (North)

Longitude (East)

Harvesting time

S1

Filipów/Mazury Lake District

180

54°11′36″

22°39′26″

November 2021

S2

Gdańsk/Pomeranian Lake District

140

54°25′11″

18°26′50″

November 2021

S3

Małczew/Greater Poland lowland

230

51°46′40″

19°42′34″

November 2021