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GA review
Those who decide to review this articles GA nomination please put your information below here. Thanks. Wikidudeman (talk) 23:31, 6 August 2007 (UTC)
I've reviewed this article, and overall it's very well written and well referenced. It easily passes criterion 1a,2, and 3, of the GA criteria. There were a couple of minor issues that I found, primarily little manual of style issues, most of which were easier to fix in a minor edit than list here. A couple of issues remain, for which I am placing the article on hold pending revisions.
First, I would suggest moving the 'chemical and physical properties' section up to the beginning (first section) of the article. Since a lot of the physical properties are in the infobox anyway, it makes more sense to have this relatively short section closer to the front, rather than further down.
Second, in the 'supplement' section, the following sentence seems a bit out of place: "In a 2004 issue of Science, Dr. Sinclair of Harvard University said resveratrol is not an easy molecule to protect from oxidation. It has been claimed that it is readily degraded by exposure to light, heat, and oxygen." It seems to deal more with physical properties rather than supplements, so I would think it makes more sense to move it to that section. I'd also move the next paragraph, starting with, "the pharmacokinetics of resveratrol metabolism" to the section under physiological effects dealing with metabolism. That section is really short, and could use a bit more information.
Third, modify the subsection titles under 'plants and foods' to remove the title of the article from the subsection title. They seem a bit wordy with 'Total resveratrol content of wines and grape juice', plus, the manual of style suggests against including the article title in subsection titles. A title of 'Content of wines and grape juice' is sufficient.
There are two external links in the cancer prevent and life extension sections to sites in the article (one to the Chemoprevention database and the other to Sirtis Pharmaceuticals). These should be removed from the article text -- only internal wikilinks should be present in article text. The Chemoprevention database sentence reads a bit more like an advertisement for that database than information you would find in an encyclopedia article. The sentence should be rewritten to include the actual information, with citations, to what is being discussed.
Make sure that any external link references (such as references to an article on money.cnn.com, or any other external link used as a reference) include not only the link itself, but also the author (if available), title, date of publication, publisher, as well as the date that the URL was last retrieved. It might help to review WP:CITE for help with this.
There is a link reference (not inline cited) in the adverse effects section to 'relentlessimprovement.com', which goes to a 404 not found. This should be fixed; either remove the information or convert the link to an inline citation with a link that works.
There's an awful lot of external links in the article. While most of the links in this case appear to be legitimate, and not linkspam or advertisements, this could be a problem in the future as it might be easier for advertisers to sneak advertisements in unnoticed. Any links in this section that are already used as an inline citation in the references section should be removed. Further information on external link guidelines can be found at WP:EL.
As an aside note, perhaps a photo of the container of a commercially available resveratrol product would be a nice addition to the supplements section. But this isn't crucial for GA status at this time.
Other than these issues, I think this article meets the GA criteria. Let me know when this is done and I'll promote (I'll probably also revisit in a couple of days, too). Cheers! Dr. Cash 03:44, 10 August 2007 (UTC)
The lead sentence: "Resveratrol is a phytoalexin produced by several plants." The next sentence describes synthetic manufacture. What is a "phytoalexin"? I have to follow a new link to find out what the fourth word in the article means. Axl 10:01, 15 August 2007 (UTC)
Looks great! Some of the subsection headings might be reorganized into main sections at some point (e.g. 'mechanism of action'). From my experience, a lot of the folks at WP:FAC kind of frown on excessive subsection headings, preferring good, well-written, short, main sections. Could use another image or two as well. But overall, I think this meets the GA criteria, so it has been promoted. Cheers! Dr. Cash 16:53, 16 August 2007 (UTC)
Use of the word "unchanged" pertaining to resveratrol in the blood is a confusing word choice
The use of the word "unchanged" (pertaining to resveratrol in the blood) is a confusing word choice. It is too ambiguous (could mean that the blood levels of resveratrol are unchanged or alternately that unchanged (bioavailable) resveratrol has entered the blood stream. (The latter was the intended meaning although the use of the word 'unchanged' makes it hard to initially figure this out).
Using the words "bioavailable resveratrol in the blood" would be a much clearer phrasing.
Sean7phil (talk) 02:51, 21 June 2009 (UTC)
New discovery on resveratol extracted from wine
http://www.technologyreview.com/printer_friendly_article.aspx?id=19172
I think you should add this one as a source
Mixing of Imperial and Metric units
I think it would help the article, if metric and imperial units were not mixed together such as mg per ounce, it should be mg per ml or litre. Either both should be used or just metric, as the usa is the only country that still uses the Imperial system for weights (according to wikipedia). 90.205.124.120 18:08, 30 August 2007 (UTC)
Mixing of different units
I think mixing different units in the same context is confusing because the quantities can't be easily compared. For example in "Content in Selected Foods", we see µg/ounce, nmol/g, and micromol/L. While maintaining the original units of a referenced article helps with verification, conversion to a common unit in a given context would facilitate comparison. Alan8 (talk) 03:27, 9 December 2008 (UTC)
Resveratrol Stability
With the sentence: Dr. Sinclair of Harvard University said resveratrol is not an easy molecule to protect from oxidation. It has been claimed that it is readily degraded by exposure to light, heat, and oxygen." It is implied that Resveratrol is unstable in normal atmosphere at room temperature; however this is not the case: http://www.ncbi.nlm.nih.gov/sites/entrez?db=pubmed&uid=10051967&cmd=showdetailview&indexed=google Should be edited for clarity.
No objections heard, so I have edited the article.LucidWay 01:02, 22 September 2007 (UTC)
Adverse effects and unknowns
"Reasons why recommending a population-wide increase would be premature: Little is known about the absorption and clearance of resveratrol, the identities of its metabolic products, or its effects on the liver. The research on resveratrol has focused on its short-term effects and has been mainly done on non-human models." ---Roy, H., Lundy, S., Resveratrol, Pennington Nutrition Series, 2005 No. 7
Above is from a 2005 source, however the text in the pdf article is taken word for word from a 1999 quackwatch.com article: (http://www.quackwatch.com/01QuackeryRelatedTopics/DSH/resveratrol.html). This quackwatch article references a 1998 article. Quack watch is not pier reviewed and most importantly this statement
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