Analysis of rubusoside and related compounds in tenryocha extract sweetener.
The main and minor constituents of tenryocha extract product, a natural sweetener, were investigated as a part of an ongoing study to evaluate its quality and safety as a food additive. Four constituents, namely rubusoside, steviolmonoside, panicloside IV, and ent-16 alpha, 17-dihydroxykauran-19-oic acid, were isolated. The concentration of rubusoside, the main sweet constituent, was 8.65% in the tenryocha extract product. In addition, it was confirmed that the origin of the extract was the leaves of Rubus suavissimus S. Lee (Rosaseae), as determined by comparing TLC and HPLC profiles of the product and hot-water extract prepared from the leaves of R. suavissimus.
Sugimoto
Naoki
N
National Institute of Health Sciences: 1-18-1, Kamiyoga, Setagaya-ku, Tokyo 158-8501, Japan.
Sato
Kyoko
K
Liu
Hong-Min
HM
Kikuchi
Hiroyuki
H
Yamazaki
Takeshi
T
Maitani
Tamio
T
D002851:Chromatography, High Pressure Liquid; D002855:Chromatography, Thin Layer; D004224:Diterpenes / Q000032:analysis*; D045786:Diterpenes, Kaurane; D004365:Drugs, Chinese Herbal / Q000032:analysis; D005960:Glucosides / Q000032:analysis*; D013549:Sweetening Agents / Q000032:analysis*
D004224:Diterpenes; D045786:Diterpenes, Kaurane; D004365:Drugs, Chinese Herbal; D005960:Glucosides; D013549:Sweetening Agents; C056177:rubusoside