Resveratrol, a polyphenol compound with strong biological activity, has been widely used in medicine, health products and cosmetic industries. It is also the main active component of Polygonum cuspidatum, a well-known traditional Chinese medicine. We developed a simple and effective method for the preparation of resveratrol from P. cuspidatum. The whole preparative process consisted of reflux e...

PREMISE OF STUDY The presence of genetic variation for traits that contribute to ecological range expansion can provide the potential for introduced taxa to evolve greater invasiveness. Genotypes that contribute to the spread of introduced range populations must have the ability to maintain fitness under changing environmental stress and competitive intensity. Previously, we identified a subset...

[This retracts the article on p. 1505 in vol. 10, PMID: 26445532.].

Nghể bụi (Polygonum posumbu Buch.-Ham. ex D. Don) là loài cỏ dại mọc nơi đất ẩm ven rừng, suối, bờ sông ngòi. Theo kinh nghiệm dân gian cây này được sử dụng để trị lỵ, viêm dạ dày ruột, tiêu chảy, phong thấp. Trong nghiên cứu về thành phần hóa thực vật bằng các phương pháp sắc ký đã thu 4 hợp chất phân lập từ đoạn ethyl acetat của và xác định lần lượt acid gallic, myricetin, distichin, quercitr...

background: herbal medicine is a new complementary strategy for treating diseases such as cancer. however, its mechanism of action is not clear yet. this study investigates antitumor efficacy of polygonum avicular extract on mcf-7 cell line . methods: mcf-7 cells were treated with different concentrations of (50, 100, 150, 200, 250, 300,350 400 ng/âµl) polygonum avicular at different time inter...

Potato (Solanum tuberosum L.) is cultivated in India in a commercial scale and this crop is susceptible to various insect pests of which aphids (both Myzus persicae Sulzer and Aphis gossypii Glover) cause heavy damage especially by spreading virus diseases. Studies were made to evaluate efficacy of extracts from plants such as Pongamia pinnata L. and Nicotiana tabacum L. and Polygonum hydropipe...

Current strategies for Alzheimer’s disease (AD) treatment are mainly symptomatic; development of disease-modifying therapies is urgently needed. Polygonum Multiflorum has been used in Traditional Chinese Medicine for long history in treatment of dementia. Pharmacological studies suggested Polygonum Multiflorum could improve learning and memory abilities in animal models of AD, and inhibit β-amy...