different between proanthocyanidin vs pycnogenol
proanthocyanidin
English
Etymology
pro- +? anthocyanidin
Noun
proanthocyanidin (plural proanthocyanidins)
- An antioxidant flavonoid with possible health benefits, found in many plant sources, including apples, bilberry, grapeseed, pine bark, and black chokeberry.
Synonyms
- procyanidin oligomeric proanthocyanidin
- OPC
- pycnogenol
- leukocyanidin
- leucoanthocyanin
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pycnogenol
English
Etymology
From pycno- +?.This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.
Noun
pycnogenol (plural pycnogenols)
- (organic chemistry) Any of a group of flavonoids extracted from the bark of pine trees, especially proanthocyanidins.
- 1981, J. L. Beal, Natural products as medicinal agents:
- On the other hand, pycnogenols, widely found in old empirical antiscorbutic remedies, seem more appropriate...
- 1987, Masquelier; Jack, "US Patent 4,698,360 - Plant extract with a proanthocyanidins content as therapeutic agent having radical scavenger effect and use thereof":
- Proanthocyanidins are included in the pycnogenols, a plant polyphenol chemical group, whose physical, chemical and biological properties have been studied in numerous works (see more especially J. Masquelier, J. Michaud, J. Laparra, and M. C. Dumon, Internat. J. Vit. Nutr. Res. 1979, 49, 307-311).
- 1993, Hans J. Kugler, David Steinman, Life extenders and memory boosters!:
- He has found that pycnogenols not only prevent free radical damage to internal organs but also help prevent skin wrinkling.
- 1994, Lerner; Sheldon, "US Patent 5,470,874 - Ascorbic acid and proanthocyanidine composition for topical application to human skin":
- The second embodiment of the invention includes the pine bark extract known as proanthocyanidine, also known as pycnogenol.
- 1999, Corinne T. Netzer, Corrine T. Netzer's Big Book of Miracle Cures:
- As study after study has shown, nutrients such as grape seed extract and pycnogenols are great all-around helpers for capillaries, veins, and arteries.
- 1999, Mary Ann Liebert, Alternative & complementary therapies, volume 5:
- ...vitamin A (2500 international units [IU]); vitamin C (250 mg); pantothenic acid (200 mg); zinc (10 mg); pycnogenols (5 mg); stinging nettle ( 1 00 mg); cayenne (20 mg).
- 2001, Medical Economics Company, David Rorvik, Sheldon Saul Hendler, PDR for Nutritional Supplements, page 387:
- The extent of the antioxidant potential of pycnogenol in vivo is unclear.
- 2004, James J. Gormley, Shari Lieberman, User's Guide to Brain-Boosting Nutrients, page 55:
- Masquelier developed a process to extract these compounds — both from pine bark (in 1951) and from grape seeds (1970). He used the term pycnogenol to refer to this whole family of OPCs.
- 2005, Midori Hiramatsu, Toshikazu Yoshikawa, Lester Packer, Molecular Interventions in Lifestyle Related Diseases, page 97:
- This may be due to the phenomenon in which pycnogenol at high concentrations blocks the filter channels.
- 1981, J. L. Beal, Natural products as medicinal agents:
- An antioxidant dietary supplement containing such an extract.
Synonyms
- OPC
- proanthocyanidin
See also
- grape seed extract
- Proanthocyanidin on Wikipedia.Wikipedia
- Grape seed extract on Wikipedia.Wikipedia
pycnogenol From the web:
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