Alkaloids and Styryl Lactones from and Their Biological Activities.

Phytochemical investigations of the twig and leaf extracts of resulted in the isolation and identification of two new alkaloids, goniotortiline () and goniotortilactam (), three new styryl lactone derivatives, goniotortilactone () and goniotortilols A () and B (), and 25 known compounds. Their structures were elucidated by spectroscopic methods and HRESITOFMS data. Compounds , , , , , and inhibited nitric oxide (NO) production with IC values ranging from 8.

Highly oxygenated cyclohexenes from Uvaria dac Pierre ex Finet & Gagnep. and their α-glucosidase inhibitory activity.

Phytochemical investigations of the twig and leaf extracts of Uvaria dac Pierre ex Finet & Gagnep. resulted in the isolation and identification of five new highly oxygenated cyclohexenes, uvaridacols M - Q (1-3, 5, and 6), and six known compounds (4 and 7-11). All new structures were elucidated by spectroscopic methods and HRESITOFMS data.

Anti-inflammatory potential of a Thai traditional remedy called Prabchompoothaweep in an animal model of acute and sub-acute inflammation.

Ethnopharmacological Relevance: Prabchompoothaweep (PCT) is a Thai remedy which is composed of 23 herbs and has been added onto the National List of Essential Medicines (NLEM) of Thailand. This remedy has been used to treat allergic rhinitis and asthma in Thai traditional medicine for many years. Furthermore, a few studies have reported anti-allergic, anti-malarial, anti-inflammatory and antioxidant activities.

Quercetin-Rich Ethanolic Extract of var Pakphai Leaves Decreased Gene Expression and Secretion of Pro-Inflammatory Mediators in Lipopolysaccharide-Induced Murine RAW264.7 Macrophages.

Polygonum odoratum var. Pakphai has been used in traditional Thai medicine for the treatment of flatulence and constipation and to relieve the inflammation caused by insect bites. Quercetin (Q), which is abundant in plant-based foods, has been found to exert anti-inflammatory properties.

Anti-inflammatory activity and chemical constituents of red limestone.

Red limestone is a mixture of turmeric ( L.) powder and limestone which is made from burning shells at high temperature. The yellow mixture turns to red color or deep orange because of the reaction between turmeric and calcium carbonate in limestone.