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Open AccessTraditional Chinese medicine Euodiae Fructus: botany, traditional use, phytochemistry, pharmacology, toxicity and quality control
Euodiae Fructus, referred to as “Wuzhuyu” in Chinese, has been used as local and traditional herbal medicines in many regions, especially in China, Japan and Korea, for the treatment of gastrointestinal disord...
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Open Access3,4-Secocycloartane Triterpenoids from the Cones of Pseudolarix amabilis
Four new 3,4-secocycloartane triterpenoids, pseudolactones A–D (1–4), were isolated from the ethanol extract of the cones of Pseudol arixamabilis. Their structures were established by extensive 1D- and 2D-NMR exp...
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Open AccessTriterpenoids from Ainsliaea latifolia and Their Cyclooxyenase-2 (COX-2) Inhibitory Activities
Eight new triterpenoids were isolated from Ainsliaea latifolia. The structures of these compounds were elucidated by interpretation of spectroscopic data, including HRESIMS and NMR data. Compounds 4–6 are identif...
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Chemical retardation of the reduction of flooded soils and the growth of rice
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Toxicity of Boron to Rice
IN the course of a study on the chemical retardation of soil reduction as a remedy for physiological disorders of the rice plant, we observed that despite this retardation by calcium nitrate and manganese diox...
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Article
Manganese Dioxide as a Remedy for a Physiological Disease of Rice associated with Reduction of the Soil
A PHYSIOLOGICAL disorder of rice known as ‘suffocation disease’ occurs on the poorly drained soils of northeastern Taiwan. The disease, which is characterized by a reddish-brown discoloration of the older leav...
