pycnogenol
Language: English
Part of speech: noun
Forms: form: pycnogenols
Etymology: From pycno- +.
Senses: examples: text: On the other hand, pycnogenols, widely found in old empirical antiscorbutic remedies, seem more appropriate...
ref: 1981, J. L. Beal, Natural products as medicinal agents:
text: 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).
ref: 1987, Masquelier, Jack, US Patent 4,698,360 - Plant extract with a proanthocyanidins content as therapeutic agent having radical scavenger effect and use thereof:
text: He has found that pycnogenols not only prevent free radical damage to internal organs but also help prevent skin wrinkling.
ref: 1993, Hans J. Kugler, David Steinman, Life extenders and memory boosters!:
text: The second embodiment of the invention includes the pine bark extract known as proanthocyanidine, also known as pycnogenol.
ref: 1994, Lerner, Sheldon, US Patent 5,470,874 - Ascorbic acid and proanthocyanidine composition for topical application to human skin:
text: Masquelier (34,35) was perhaps one of the first to recognize the potential of this class of compounds, referring to them as pycnogenols or proanthocyanidols.
ref: 1997, Fereidoon Shahidi, Natural antioxidants: chemistry, health effects, and applications, page 154:
text: Human trials have shown that the flavonoids of pycnogenol can prevent peripheral hemorrhage, swelling of legs due to water retention, diabetic retinopathy, and high blood pressure.
ref: 1998, Joe M. Elrod, Supplements for Fibromyalgia, page 26:
text: As study after study has shown, nutrients such as grape seed extract and pycnogenols are great all-around helpers for capillaries, veins, and arteries.
ref: 1999, Corinne T. Netzer, Corrine T. Netzer's Big Book of Miracle Cures:
text: ...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).
ref: 1999, Mary Ann Liebert, Alternative & complementary therapies: volume 5:
text: The extent of the antioxidant potential of pycnogenol in vivo is unclear.
ref: 2001, Medical Economics Company, David Rorvik, Sheldon Saul Hendler, PDR for Nutritional Supplements, page 387:
text: 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.
ref: 2004, James J. Gormley, Shari Lieberman, User's Guide to Brain-Boosting Nutrients, page 55:
text: As histidine decarboxylase inhibitors, pycnogenols lower the histamine level in the aortic endothelium...
ref: 2004, R. A. S. Hemat, Orthomolecularism: Principles And Practice, page 371:
text: This may be due to the phenomenon in which pycnogenol at high concentrations blocks the filter channels.
ref: 2005, Midori Hiramatsu, Toshikazu Yoshikawa, Lester Packer, Molecular Interventions in Lifestyle Related Diseases, page 97:
text: Among three fractions of pycnogenol, fraction 3 (oligomeric procyanidins) significantly enhanced the potent EDR activity.
ref: 2008, Noboru Motohashi, Bioactive Heterocycles V: Flavonoids and Anthocyanins in Plants, and Latest Bioactive Heterocycles, page 35:
topics: chemistry
natural-sciences
organic-chemistry
physical-sciences
glosses: Any of a group of flavonoids extracted from the bark of pine trees, especially proanthocyanidins.
glosses: An antioxidant dietary supplement containing such an extract.
Synonyms: OPC
proanthocyanidin
Related terms: grape seed extract