Herbal Therapy: Chaste tree berry, The Best Whole Herb Medicine Exhibits Anti-Nociceptive in PMS

By Kyle J. Norton

The use of plants for healing purposes has been predated long before the existence of  modern medicine. Herbal plants have formed a fundamental source for conventional medicine in discovery of single ingredient medication, including aspirin (from willow bark), quinine (from cinchona bark), and morphine (from the opium poppy)......

Chaste tree berry is a species of Vitex agnus-castus, genus Vitex, belonging to the family Lamiaceae, native to the Mediterranean region, used in herbal medicine for thousands of year as anaphrodisiac herb and considered as Queen herb in treating menstrual problems and discomforts.

Premenstrual syndrome is a faulty function of the ovaries related to the women's menstrual cycle, it effects a women's physical and emotional state, and sometimes interferes with daily activities as a result of hormone fluctuation.
Anti nociceptive effect is the term used to indicate the process in blocking the detection of a painful stimulation by sensory neurons.

Chaste tree berry may have a potential effect in reduced pain associated to symptoms of premenstrual syndrome, a renowned institute study suggested.

In an acetic-acid-induced writhing and metoclopramide-dihydrochloride-induced hyperprolactinemia mice study, mice treated with Chaste tree berry factions showed a significantly effective in expression of anti-nociceptive and anti-hyperprolactinemia activities.

The study also found that the fraction extracted from the herb also exerted anti-nociceptive activity in a dose-dependent manner (10-50 mg/kg body wt., i.g.).

Dr. Hu Y, the lead researcher in the study said, "Our results indicate that the presence of flavonoids such as Casticin in this plant may be responsible for the (anti-nociceptive and anti-hyperprolactinemia) activity effects. Casticin has potent analgesic and anti-hyperprolactinaemia properties, is likely to be one of the active components of Fructus Viticis, and may have a role in treating PMS (premenstrual syndrome)".

Further study in support of above differentiation also insisted that the 80% ethanol extract isolated from the herbal medicine showed the highest anti-nociceptive activity in acetic acid-induced writhing test in ICR mice in comparison with other factions. The study also indicated that the anti-nociceptive activity is mediate through inhibition of proinflammatory activity rather than through opioid receptors.

The evaluation of petroleum ether fraction (PEF) from the aqueous ethanol extract of Chaste tree berry at doses of 12, 24, and 48 mg/kg body weight, in nociceptive mouse models induced by intraperitoneal acetic acid and sub-plantar formalin injections and on thermal nociception in the hot-plate test, produced significant dose-related inhibitions on chemical nociception, probably due to partially mediated by its anti-inflammatory activity.

Taking together, the anti-nociceptive effect of Chaste tree berry should be beneficiary in reduced symptoms and treatment of women with premenstrual syndrome and improved quality of social life.

Large amount intake of herbal medicine can be prescribed by related field specialist, including Chaste tree berry.

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Author Biography
Kyle J. Norton, Master of Nutrients
Health article writer and researcher; Over 10.000 articles and research papers have been written and published on line, including world wide health, ezine articles, article base, healthblogs, selfgrowth, best before it's news, the karate GB daily, etc.,.
Named TOP 50 MEDICAL ESSAYS FOR ARTISTS & AUTHORS TO READ by Disilgold.com Named 50 of the best health Tweeters Canada - Huffington Post
Nominated for shorty award over last 4 years
Some articles have been used as references in medical research, such as international journal Pharma and Bio science, ISSN 0975-6299.

Sources
(1) Anti-nociceptive and anti-hyperprolactinemia activities of Fructus Viticis and its effective fractions and chemical constituents by Hu Y1, Xin HL, Zhang QY, Zheng HC, Rahman K, Qin LP.(PubMed)
(2) Bioactivity-guided fractionation for analgesic properties and constituents of Vitexnegundo L. seeds by Zheng CJ1, Tang WZ, Huang BK, Han T, Zhang QY, Zhang H, Qin LP.(PubMed)
(3) Antinociceptive activities of the liposoluble fraction from Vitex negundo seeds by Zheng CJ1, Huang BK, Han T, Zhang QY, Zhang H, Rahman K, Qin LP.(PubMed)