Listed below are some research findings from studies on the natural products included in Ashi
pain relief ingredients.  All the research papers are peer-reviewed and published in scientific
journals indexed in
PubMed, a service of National Library of Medicine and National Institute of
Health.  Click each article title to read its abstract.     
Effects of Corydalis yanhusuo and Angelicae dahuricae on cold pressor-induced pain in humans: a
controlled trial.  J Clin Pharmacol. 2004 Nov;44(11):1323-7.

Effects of four herbal extracts on adjuvant-induced inflammation and hyperalgesia in rats. J Altern
Complement Med. 1999 Oct;5(5):429-36.

Experimental study of analgesic effect of combined Radix Aconiti and Radix Stephaniae Tetrandrae.  
Zhongguo Zhong Xi Yi Jie He Za Zhi. 2000 Mar;20(3):202-4.

Analgesia-producing mechanism of processed Aconiti tuber: role of dynorphin, an endogenous
kappa-opioid ligand, in the rodent spinal cord.  Jpn J Pharmacol. 1999 Mar;79(3):295-301.

Pain-relieving effects of processed Aconiti tuber in CCI-neuropathic rats.  J Ethnopharmacol. 2006 Feb
20;103(3):392-7. Epub 2005 Sep 23.

Neolignans from Piper futokadsura and their inhibition of nitric oxide production. Chem Pharm Bull
(Tokyo). 2005 Jan;53(1):121-4.

Notoginsenoside R1 inhibits TNF-alpha-induced fibronectin production in smooth muscle cells via the
ROS/ERK pathway.  Free Radic Biol Med. 2006 May 1;40(9):1664-74. Epub 2006 Jan 26.

Panax notoginseng attenuates LPS-induced pro-inflammatory mediators in RAW264.7 cells.   J
Ethnopharmacol. 2006 Jun 15;106(1):121-8. Epub 2006 Jan 19

Effects and mechanism of total saponins of Panax Notoginseng on anti-inflammation and analgesia
Zhongguo Zhong Xi Yi Jie He Za Zhi. 1994 Jan;14(1):35-6, 5-6.  

Notoginsenoside R1 from Panax notoginseng inhibits TNF-alpha-induced PAI-1 production in human
aortic smooth muscle cells.  Vascul Pharmacol. 2006 Apr;44(4):224-30. Epub 2006 Feb 3.

Inhibition of COX isoforms by nutraceuticals.  J Herb Pharmacother. 2004;4(2):11-8.

Effect of Radix notoginseng saponins on platelet activating molecule expression and aggregation in
patients with blood hyperviscosity syndrome.  Zhongguo Zhong Xi Yi Jie He Za Zhi. 2004 Apr;24(4):312-6.

Treatment of the post-mastectomy pain syndrome with topical capsaicin.  Pain. 1993 Aug;54(2):223-6.

Topical application of capsaicin for treatment of oral neuropathic pain and trigeminal neuralgia.  Oral
Surg Oral Med Oral Pathol. 1994 Feb;77(2):135-40.

The analgesic efficacy of topical capsaicin is enhanced by glyceryl trinitrate in painful osteoarthritis: a
randomized, double blind, placebo controlled study.  Eur J Pain. 2000;4(4):355-60.

Clinical applications of capsaicinoids.  Clin J Pain. 2000 Jun;16(2 Suppl):S86-9. Review.

A cetylated fatty acid topical cream with menthol reduces pain and improves functional performance in
individuals with arthritis.  J Strength Cond Res. 2005 May;19(2):475-80.

A novel treatment of postherpetic neuralgia using peppermint oil.  Clin J Pain. 2002 May-Jun;18(3):200-2.

Chemical and cold sensitivity of two distinct populations of TRPM8-expressing somatosensory neurons.
J Neurophysiol. 2006 Feb;95(2):1221-30.

Menthol facilitates the skin analgesic effect of tetracaine gel.  Int J Pharm. 2005 Nov 23;305(1-2):31-6.
Epub 2005 Oct 10.

Capsaicin and menthol in the treatment of itch and pain: recently cloned receptors provide the key.  Gut.
2003 Sep;52(9):1233-5.

Menthol: a natural analgesic compound.  Neurosci Lett. 2002 Apr 12;322(3):145-8.

Menthol-induced Ca2+ release from presynaptic Ca2+ stores potentiates sensory synaptic transmission.
J Neurosci. 2004 Jan 21;24(3):762-71.

The anti-inflammatory effect of curcumin in an experimental model of sepsis is mediated by
up-regulation of peroxisome proliferator-activated receptor-gamma.  Crit Care Med. 2006 May 17

Curcumin attenuates thermal hyperalgesia in a diabetic mouse model of neuropathic pain.  Eur J
Pharmacol. 2006 May 1;536(3):256-61. Epub 2006 Mar 13.
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