changsha organic herb inc. changsha organic herb inc. (ohi) is one of the leading manufacturer and exporter of the tea & herbal extracts in china, and it is the board of director of hnbea (hunan botanical extracts association of china), ohi has been certified iso9000:2000, kosher, cgmp. we have been manufacturing and exporting such products as green tea extracts and natural botanical extracts series. we can supply about 240 kinds of standardized herbal extracts and more 900 kinds of botanical extracts. our products are in great demand and being exported to over 40 countries throughout the world. ******************************************* sell rose hip extract rose hip extract rosa canina ascorbic acid vitamin c scientific name: rose hips latin name: rosa canina other names: hip berry, rosa species, rose haws, rose heps, wild boar fruit who is this for? uses because fresh rose hips contain significant amounts of vitamin c, which is also known as ascorbic acid, they have been promoted for the prevention and treatment of the common cold. while no scientific evidence supports the theory that large doses of vitamin c can increase the body's resistance to colds or any other conditions, their high content of vitamin c and other nutrients such as folate makes rose hips a common ingredient in multiple vitamin products. the amount of nutrients in rose hips depends on the species of rose and on the growing conditions. in addition, their vitamin c content decreases with drying, processing, and storage; therefore, commercially available "natural" vitamins containing rose hips frequently also include vitamin c from synthetic sources. some recent evidence from animal studies suggests that an extract of rose hips may have a protective effect on stomach tissue. extracts are concentrated liquid preparations usually made by soaking chopped or mashed plant parts in a liquid such as alcohol, and then straining out the solid parts. in one study involving laboratory rats, rose hip extract protected against all experimentally-induced stomach ulcers. more study is needed to prove or disprove this finding. rose hips have been used in the past to treat diarrhea. they contain a small percentage of tannins, which provide mild astringent properties. an astringent shrinks and tightens the top layers of skin or mucous membranes, thereby reducing secretions, relieving irritation, and improving tissue firmness -- all actions that may help relieve diarrhea. rose hips may also have mild diuretic effects, meaning that they may promote the loss of water from the body. this possible diuretic action is thought to result from pectin and small amounts of natural fruit acids contained in rose hips. studies of laboratory animals, though, show that the diuretic action of rose hips is both minor and unpredictable. prescription and non-prescription drugs are more effective and reliable as both antidiarrheals and diuretics. when should i be careful taking it? precautions because vitamin c is water-soluble, excess doses of it are lost in the urine. no toxic build-up occurs in the body. besides, a prohibitively large amount of rose hips must be eaten to provide large amounts of vitamin c. therefore, taking rose hips is not thought to present risks for most individuals. what side effects should i watch for? major side effects taking rose hips does not appear to result in severe side effects, because the amounts of vitamin c in most rose hip products are small. very large doses of vitamin c (more than 2,000 mg per day) taken for prolonged periods of time, however, have been associated with the development of bladder stones or kidney stones. studies of this effect are inconclusive, but individuals who have or who have had urinary tract stones may want to avoid using large amounts of rose hips. in very rare cases, vitamin c has caused sickle cell crisis; therefore, individuals with sickle cell disease should not take rose hips. workers who handle rose hips during harvesting and processing may develop asthma from breathing their dust. fibers from the processed rose hips are known to irritate the respiratory tract as well as the skin, potentially causing respiratory or contact allergies. less severe side effects taking rose hips by mouth has not been linked with side effects, although very large doses of vitamin c have occasionally resulted in side effects such as: headache heartburn insomnia nausea skin contact with powdered rose hips may cause itching. ******************************************* if there are any further questions, please do not hesitate to contact me. bring nature to better life! organic herb inc. address:n0.1038shanshuirenjia3rd,kaiyuanroad,xingsha,changsha,china contact: ms.lily liu phone: +86 135 1747 5149 fax: +86 731 4023669 email: lily@organic-herb.com msn messenger： lily@organic-herb.com website: http://www.organic-herb.com