Triterpenoids

Connolly, Joseph D.; Hill, Robert A.

doi:10.1039/a703937i

Cited by 13 publications

(8 citation statements)

References 94 publications

(109 reference statements)

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“…Since 1985, Connolly and Hill have regularly reviewed the scientific literature dealing with triterpenoid characterization from natural resources. [239][240][241][242][243][244][245][246][247][248][249][250][251][252][253][254][255][256] Although numerous triterpenoids possessing various scaffolds have been reported, only a small portion of them were explored systematically for their pharmacological activities. Of those so explored, most showed only marginal potency in preliminary screening.…”

Section: Discussionmentioning

confidence: 99%

Plant-derived triterpenoids and analogues as antitumor and anti-HIV agents

et al. 2009

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Section: Discussionmentioning

confidence: 99%

Plant-derived triterpenoids and analogues as antitumor and anti-HIV agents

et al. 2009

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“…Local is defined here as obsidian sources within 20 km of the site-a long day's walk but one that is physically possible. 3 Finally, because source diversity is often used as a proxy for groups' physical or social connections to the landscape (Connolly, 1999;Eerkens et al, 2008;McGuire, 2002a), we calculated and compared richness for the point and debitage samples for each period. 4…”

Section: Materials and Methods: Obsidian Artifacts From Paiute Creek mentioning

confidence: 99%

Late Holocene Lithic Procurement Strategies in the Northwestern Great Basin: The View from Paiute Creek Shelter, Nevada

Smith

LaValley

Wiggins

2012

North American Archaeologist

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We present source provenance data from a sample of obsidian projectile points and unmodified flakes from Paiute Creek Shelter (PCS), a site in Nevada's Black Rock Desert that was first occupied 4,700 calendar years ago (cal BP). Significant differences between the source profiles of earlier (pre-1,450 cal BP) and later (post-1,450 cal BP) occupations suggest that toolstone procurement strategies changed over time at PCS. Before 1,450 cal BP, there was a heavy reliance on local toolstone directly procured from nearby sources. Although local toolstone remained important after 1,450 cal BP, non-local toolstone became more common at PCS, highlighting increased interactions with neighboring populations. The shift in toolstone use at PCS is but one of many changes in the archaeological record of the northwestern Great Basin after 1,500 cal BP.

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“…This is the first report on the isolation of cucurbitacin with side chain containing (20S,25)-epoxy instead of (20S,24)-epoxy reported from Picria fel-terrae Lour. It is noticeable that there are very few examples of triterpenoids with side chain containing pyranyl ring [7], therefore, compound 1 might be considered one of the characteristic constituents of Picria fel-terrae.…”

Section: Resultsmentioning

confidence: 99%