Malaysia slaps provisional antidumping duties on galvanized iron from China, Vietnam
Tuesday, 03 September 2019
Malaysia has slapped provisional antidumping duties of 3.33% to 16.13% on galvanized iron imports from China and Vietnam, effective November 8 for about 120 days, the Ministry of International Trade and Industry said Thursday. The Malaysian government “…found that there are sufficient evidences to continue further with the investigation on the importation of galvanized iron
Global primary aluminum market moving towards deficit: Hydro
Tuesday, 03 September 2019
The global primary aluminum market “is moving towards a deficit in 2018, and larger than earlier forecast, driven by slower-than-expected supply growth,” Norwegian producer Hydro said Wednesday in its third-quarter results statement. Production outside China is expected to increase by 1%-2% in 2018, the company said, adding that while production of primary aluminum in China
The application and Prospect of Protocatechuic Acid
Tuesday, 03 September 2019
Protocatechuic acid (PCA), also named 3,4-dihydroxybenzoic acid. It exists in the leaves of Euphorbiaceae ferns, llex and other plants, and it has antimicrobial effect. Protocatechuic acid has a density of 1.54g/cm3 and a melting point of about 200 C. It is soluble in hot water, ethanol, ether, acetone and ethyl acetate, slightly soluble in cold
PROCATECHIC ACID PRODUCED BY BIOLOGICAL (ENZYMATIC) PRODUCTION
Tuesday, 03 September 2019
Protocatechuic acid exists in many vegetables and fruits in nature, and is an effective active ingredient in many traditional Chinese medicines (such as Salvia miltiorrhiza, Hibiscus, etc.). Protocatechuic acid is a water-soluble phenolic acid component and active substance of many traditional Chinese medicines. It not only has pharmacological activities such as anti-platelet agglutination, reducing myocardial
The future Prospect and Use of Dihydrocaffeic Acid
Tuesday, 03 September 2019
Dihydrocaffeic Acid,which also named 3,4-dihydroxyphenylpropionic acid, is a white crystalline powder, soluble in methanol, ethanol, DMSO and other organic solvents, and comes from Eucommia ulmoides, Salvia miltiorrhiza, artichoke, Atractylodes macrocephala, Glechoma longituba, and has strong antioxidant activity. There was a study which published in the Journal Nature Communications, in which scientists described an extensive analysis
Applications of p-hydroxyacetone in cosmetics
Tuesday, 03 September 2019
P-hydroxyacetone, which also called 4′-Hydroxyacetophenone in English, and commonly known as fir phenol, it would be White acicular crystals, combustible and easy to dissolve in hot water when it is at room temperature. It is a natural plant extract, which exists in the stems and leaves of Artemisia annua, Artemisia annua, Rhizoma Scopariae and the roots of Ginseng
Hydroxytyrosol has safe and excellent antioxidation function
Tuesday, 03 September 2019
Hydroxytyrosol is one of the metabolites of dopamine in animals’ brain, as well as a polyphenolic compounds with strong antioxidant activity in olive oil. Many studies showed that hydroxytyrosol has a great biological effect, which mainly including broad-spectrum antimicrobial activity, prevention of direct damage to multiple free radicals and ultraviolet-induced oxidative stress (protein oxidation and
Domestic Peptide Raw Materials’ spring coming, Amino-group protective agent’ s demand improving
Tuesday, 03 September 2019
Generic Peptides is a kind of medicines which has a fast growth of market, at present, there are more than 100 Peptide products were permitted be on the market all over the world, in recent years, the market of Generic Peptides’ growth has arrived beyond 12%, which is higher than the whole medicine market, It
Nanjing Shunxiang supply the most excellent Pyridinium tribromide
Tuesday, 03 September 2019
Bromination is a normal reaction of organic synthesis. The most used brominating agent is mixing liquid bromide,chloroform,carbon tetrachloride, dimethyl sulfoxide or acetic acid and water up. However, bromine is a kind of toxic liquid which has the characteristic volatile, and it usually causes some unnecessary substitution and oxidation reaction in organic synthesis. It ‘ s
Properties, usage and storage of methyl phenylacetate
Tuesday, 03 September 2019
Methyl phenylacetate, molecular formula:C9H10O2,CAS No.: 101-41-7. It’ s appearance is colorless to light yellow oily liquid, with a strong sweet, smooth fragrance, as well as the fragrance of pogostemon. It does not soluble in water, oil, alcohol and most organic solvents. By the way, it naturally exists in coco, coffee and strawberries, and also exists