The DOI matches its Crossref record.
Antioxidant activity of lipid‐soluble phenolic diterpenes from rosemary
Abstract
A high‐performance liquid chromatography method for analyzing the phenolic diterpenes present in rosemary (Rosmarinus officinalis L.) and commercial rosemary extracts is reported. Carnosic acid was the major phenolic diterpene present in rosemary leaves, with lesser amounts of 12‐methoxycarnosic acid and carnosol. Several commercial rosemary extracts also were analyzed by this method, and in addition to these three compounds other phenolic diterpenes, such as 7‐methoxyrosmanol, 7‐methoxy‐epirosmanol, and rosmanol, were found in some samples. These latter three compounds seem to be artifacts, produced from carnosic acid by oxidation and cyclization. The major phenolic diterpenes were isolated, and their relative antioxidatn activities in soybean oil were measured by the Rancimat. The potency of carnosic acid was more than twice that of any other compound. The antioxidant activity of pure carnosic acid was compared to butylated hydroxytoluene (BHT), butylated hydroxyanisole (BHA), and tertiary butylhydroquinone (TBHQ) and was several times greater than BHT and BHA but less than TBHQ. Nuclear magnetic resonance data for several of the compounds that were incompletely characterized in previous literature are reported.
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cited by
Subcritical Water Extraction of Antioxidant Compounds from Rosemary Plants
Ibañez, E., Kubátová, A., Señoráns, F. J., Cavero, S., Reglero, G., & Hawthorne, S. B. (2003) · Journal of Agricultural and Food Chemistry · doi:10.1021/jf025878j · Cited by 417
Pérez-Fons, L., GarzÓn, M. T., & Micol, V. (2010) · Journal of Agricultural and Food Chemistry · doi:10.1021/jf9026487 · Cited by 273
Fiander, H. (2000) · Cancer Letters · doi:10.1016/s0304-3835(00)00368-2 · Cited by 97
Metadata
- Authors
- Richheimer, S. L., Bernart, M. W., King, G. A., Kent, M. C., & Beiley, D. T.
- Venue
- Journal of the American Oil Chemists' Society
- Publisher
- Wiley
- Published
- 1996-04
- Volume
- 73
- Issue
- 4
- Pages
- 507-514
- ISSN
- 0003-021X (ISSN-L)
- 1558-9331
- OpenAlex
- W1978865937
- Cited by
- 261
- References
- 0
- FWCI
- 2.00
- Type
- journal article
- Language
- en
- Open access
- closed
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
