カラマス トリプロイド
Thạch xương bồ, tam bội
Acorus calamus var. calamus
European calamus, Sweet flag, Acorus calamus var. vulgaris
Potentially carcinogenic based on β-asarone content.
Maximum adult oral dose 37 mg daily. Maximum dermal use level 1.1 percent.
Basis: 19 percent β-asarone, with oral limit 0.1 mg per kg per day and dermal limit 0.22 percent.
Two-year rat study: malignant tumors in liver and duodenum at high-dose groups of 500 and 1000 mg per kg per day.
| Shyobunones | 23.0 – 32.0 % |
| β-Asarone | 8.0 – 19.0 % |
| Calamene/Calamenene | minor |
The triploid form (European calamus) occurs in Eurasia. β-Asarone content is much lower than the Indian tetraploid form, so the allowable use level is higher.
Family Araceae. Var. calamus, botanical synonym var. vulgaris.
In research, the triploid calamus oil was not mutagenic in any of four concentrations across six S. typhimurium strains, with or without metabolic activation.