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Java Tea is a popular Asian herbal tea made from Orthosiphon stamineus ( syn: Orthosiphon aristatus ) dried leaves.
Orthosiphon contains high level of phenolic compounds such as Sinensetin and Rosmarinic acid. In the class of
鍖avonoids, Sinensetin is therefore usually selected as a reference substance for analytical monographs, like in
European Pharmacopeia. However this substance can be found in other species like Citrus sp. or Salvia sp.
In a technical note study published in CBS 115 (2015) 13-15, EXTRASYNTHESE and CAMAG have proposed a
complete set of 鍖avonoids standards, including Sinsensetin and three other 6-hydroxylated 鍖avones, for an HPTLC
footprint analysis of Java Tea. This set of standards:
- Sinensetin CAS RN 2306-27-6
- Scutellarein Tetramethylether CAS RN 1168-42-9
- Eupatorin CAS RN 855-96-9
- Eupatorin 5-Methylether CAS RN 21764-09-0
is speci鍖c to Orthosiphon species, compared to other species containing Sinsensetin.
HPTLC methods and records, as well as HPTLC-MS and UV data are reported in the study.
All standards are commercially available at EXTRASYNTHESE,
and full text of technical note will be provided on request.
References油:
(1) Tezura and coll., Chem Pharm Bull 48(11), 1711-1719 (2000)
(2) Sumaryono and coll., Planta Med 57 (1991), 176-180
(3) Akowuah and coll., Food chemistry, 87(4), 2004, 559-566
SINENSETIN
Extrasynthese # 1326S
FLAVONOIDS MARKERS SET SPECIFIC TO JAVA TEA
WWW.EXTRASYNTHESE.COM
EUPATORIN
Extrasynthese # 1014
EUPATORIN
5-METHYLETHER
Extrasynthese # 1015
SCUTELLAREIN
TETRAMETHYLETHER
Extrasynthese # 1278
Contact : info@extrasynthese.com

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Orthosiphon Specific Markers

  • 1. Java Tea is a popular Asian herbal tea made from Orthosiphon stamineus ( syn: Orthosiphon aristatus ) dried leaves. Orthosiphon contains high level of phenolic compounds such as Sinensetin and Rosmarinic acid. In the class of 鍖avonoids, Sinensetin is therefore usually selected as a reference substance for analytical monographs, like in European Pharmacopeia. However this substance can be found in other species like Citrus sp. or Salvia sp. In a technical note study published in CBS 115 (2015) 13-15, EXTRASYNTHESE and CAMAG have proposed a complete set of 鍖avonoids standards, including Sinsensetin and three other 6-hydroxylated 鍖avones, for an HPTLC footprint analysis of Java Tea. This set of standards: - Sinensetin CAS RN 2306-27-6 - Scutellarein Tetramethylether CAS RN 1168-42-9 - Eupatorin CAS RN 855-96-9 - Eupatorin 5-Methylether CAS RN 21764-09-0 is speci鍖c to Orthosiphon species, compared to other species containing Sinsensetin. HPTLC methods and records, as well as HPTLC-MS and UV data are reported in the study. All standards are commercially available at EXTRASYNTHESE, and full text of technical note will be provided on request. References油: (1) Tezura and coll., Chem Pharm Bull 48(11), 1711-1719 (2000) (2) Sumaryono and coll., Planta Med 57 (1991), 176-180 (3) Akowuah and coll., Food chemistry, 87(4), 2004, 559-566 SINENSETIN Extrasynthese # 1326S FLAVONOIDS MARKERS SET SPECIFIC TO JAVA TEA WWW.EXTRASYNTHESE.COM EUPATORIN Extrasynthese # 1014 EUPATORIN 5-METHYLETHER Extrasynthese # 1015 SCUTELLAREIN TETRAMETHYLETHER Extrasynthese # 1278 Contact : info@extrasynthese.com