Herb in Thai notifiable formulas

Enhalus Acoroides Rhizome

ลำพันหางหมู · Lamphan Hang Mu

Enhalus acoroides (L. f.) Royle

Family
Hydrocharitaceae
Part used
rhizome
Crude drug
Enhali Acoroidis Rhizoma
Other names
Eel Grass Rhizome, Sea Acorus Rhizome, Tape Seagrass Rhizome
In the announcement
Used in 2 notifiable formulas (1 as capsules)
Enhalus Acoroides Rhizome, dried rhizome, with remnant of leaves,
Photo: Christian Gloor from Wakatobi Dive Resort, Indonesia · Wikimedia Commons · CC BY 2.0 · resized
Thai Herbal Pharmacopoeia (THP)

Constituents and quality criteria of Enhalus Acoroides Rhizome

Summarised from the Enhalus Acoroides Rhizome monograph of the Thai Herbal Pharmacopoeia, Department of Medical Sciences, the standard used to test the dried rhizome, with remnant of leaves,.

The pharmacopoeia sets no minimum marker content for this herb. Use the raw material quality criteria below for acceptance testing.

Constituents

Enhalus Acoroides Rhizome contains flavonoids and their derivatives (e.g., apigenin, luteolin, and rutin). It also contains phenolic acids, tannins, sterols, etc.

Raw material quality criteria

Foreign matterNot more than 2.0% w/w
Loss on dryingNot more than 10.0% w/w
Total ashNot more than 14.0% w/w
Acid-insoluble ashNot more than 1.0% w/w
Water-soluble extractiveNot less than 8.0% w/w
Ethanol-soluble extractiveNot less than 2.0% w/w

Storage: Enhalus Acoroides Rhizome shall be kept in well-closed containers, protected from light, and stored in a dry place.

Source: Thai Herbal Pharmacopoeia, Department of Medical Sciences (online edition, accessed 21 October 2026)Read the full THP monograph
Development potential

Develop Enhalus Acoroides Rhizome into a product with the TIBD group

In notifiable formulas2 formulasused in multi-herb formulas
THP raw-material criteria6 testsfor acceptance testing before production
Marker with a minimum contentNot setquality is checked with the raw-material criteria

Three ways forward 1Notify a listed formula2Adapt it through detailed notification3Develop a Category B herbal medicine or Category C health productSee the development pathway