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Procyanidin A2

chemical compound

Specimen drawers, botanical folios and brass scientific instruments under study light
Science and natureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJun 15, 2026
Entity authorityQ7247550 ↗
Source-derived summary

Procyanidin A2 is an A type proanthocyanidin.

It is found in avocado, chestnut, cranberry juice concentrate, lychee fruit pericarp, peanut skins, Cinchona cortex, cinnamon cortex, Urvillea ulmaceae, and Ecdysanthera utilis.

Synthesis

Procyanidin B2 can be converted into procyanidin A2 by radical oxidation using 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals under neutral conditions.

References

Wen, LR; Wu, D; Jiang, YM; Prasad, KN; Lin, S; Jiang, GX; He, JR; Zhao, MM; Luo, W; Yang, B (2014). "Identification of flavonoids in litchi (Litchi chinensis Sonn.) leaf and evaluation of anticancer activities". Journal of Functional Foods. 6: 555–563. doi:10.1016/j.jff.2013.11.022.

Editorial summary

“Procyanidin A2” enters the record as chemical compound. Crown Archives preserves that source wording while asking what Procyanidin, chemical and compound can confirm, complicate or overturn.

Editorial reviewA sound reference starting point where classification, measurement and the date of the underlying evidence remain visible. The current lead gives the account dated anchors—2014, 1016, 2013—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Procyanidin, chemical and compound.
Editorial analysis

Why this record matters

“Procyanidin A2” is worth following because a concise public description often conceals a longer documentary argument. Here, Procyanidin, chemical and compound provides the most credible route into that argument.

Evidence profile

Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Jun 15, 2026. The linked authority identifier is Q7247550. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2014, 1016 and 2013.

Critical limits

A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.

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Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.

Three-step research path

  1. Establish the record: confirm the title “Procyanidin A2”, its source revision and the description used here.
  2. Expand the search: follow Procyanidin A2 primary sources, Procyanidin A2 archive and Procyanidin research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

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Source & attribution

This entry incorporates text from “Procyanidin A2” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.