Changsha Staherb Natural Ingredients Co., Ltd.

We are offering emodin. cas.no.: 491-60-1usage: antitumor, ameliorate diabetes, anti-cancer, anti-tussive, purgating. emodin anthraquinones represent a large family of compounds having diverse biological properties. Emodin (1, 3, 8-trihydroxy-6-methylanthraquinone) is a naturally occurring anthraquinone present in the roots and barks of numerous plants, molds, and lichens, and an active ingredient of various chinese herbspharmacologyemodin is being studied as a potential agent that could reduce the impact of type 2 diabetes. It is a potent selective inhibitor of the enzyme 11-hsd1. In studies in obese mice, emodin limits the effect of glucocorticoids and may therefore ameliorate diabetes and insulin resistance. pharmacological studies have demonstrated that emodin when isolated from rhubarb exhibits anti-cancer effects on several human cancers including human pancreatic cancer. Emodin in rhubarb extracts may also have neuroprotective properties against glutamate toxicity, but in other studies it seems to increase inflammation and have other possible neurotoxic effects. aloe-emodin (1, 3, 8-trihydroxyanthraquinone) is a variety of emodin found in socotrine, barbados, and zanzibar aloes, but not in natal aloesmain functions 1. Anti-tumor. The emodin has effective restrain to cell proliferation of hepatoma, lung tumor, bladder tumor and so on. 2. Protecting the liver. Emodin protect the liver damage caused by carbon tetrachloride, and has a effective restrain to the hepatitis b. 3. Anti-renal fibrosis. Emodin can restrain the division and proliferation of the hrif. It can also result in the cell death by improving the level of c-myc protein. 4. Antibiotic action. Emodin has the inhibitory action of staphylococcus aureus, staphylococcus aureus(s. Aureus) and pseudomonas aeruginosa.

We offer Aloe Emodin. Name : Aloe-emodin Systematic (IUPAC) name :1, 8-dihydroxy-3-(hydroxymethyl)-9, 10-anthracenedione CAS number: 481-72-1 EINECS: 207-571-7Formula :C15H10O5 Mol. Mass :270.24 Melt. Point :223224 C (433435 F) Sublimes in CO2 stream Aloe-emodin (AE), a hydroxyanthraquinone present in Aloe vera leaves, has a specific in vitro and in vivo antineuroectodermal tumor activity. The growth of human neuroectodermal tumors is inhibited in mice with severe combined immunodeficiency without any appreciable toxic effects on the animals. The compound does not inhibit the proliferation of normal fibroblasts nor that of hemopoietic progenitor cells. The cytotoxicity mechanism consists of the induction of apoptosis, whereas the selectivity against neuroectodermal tumor cells is founded on a specific energy-dependent pathway of drug incorporation. Taking into account its unique cytotoxicity profile and mode of action, AE might represent a conceptually new lead antitumor drug.

We are offering apigenin. name apigenin synonyms 4, 5, 7-trihydroxyflavone cas number, 520-36-5 empirical formula (hill notation): c15 h10 o5 molecular weight: 270.24 beilstein registry number: 262620 mdl number: mfcd00006831 pubchem substance id: 24846790 ec number: 208-292-3 descriptionbiochemphysiol actions, a plant flavonoid that has been found to inhibit cell proliferation by arresting the cell cycle at the g2 m phase. Inhibition of growth through cell cycle arrest and induction of apoptosis appear to be related to induction of p53. Inhibitory effects on tumor promotion may also be due to inhibition of kinase activity and the resulting suppression of oncogene expression. It has also been reported to inhibit topoisomerase I catalyzed dna religation and enhance gap junctional intercellular communication. other notes, inhibitor of human estrogen synthetase. propertiesproduct line biochemika assay 95.0% (hplc) total impurities 2% water mp >300 c(lit.) storage temp. 20c safetyf 10 hazard codes xi risk statements 363738 safety statements 26-36 wgk germany 3 rtecs lk9276000

We are offering cassia nomame extract. product namecassia nomame extract latin name: cassia nomame (sibe.)kitagawa chemical name: 2, 3-dihydroflavone; 2, 3-dihydroflavone2-phenylchromanone; 2, 3-dihydro-2-phenylchroman-4-onetype: herbal extractplant part used: arial partsactive ingredient: dimer flavan, flavonols, polyphenos, flavanolspecification: 860% dimer flavan uv, 8%-20% flavonols uv, 8%-20% polyphenols (as cetechins)appearance: brown-yellow fine powderextract method: grain alcoholwatertest method: uvcas no: 525-82-6 main functionpromote weight loss by inhibiting the enzyme lipasemolecular formula: c15h12o2 molecular weight: 224.25 cassia nomane extract is widely used as health food supplements, pharmaceuticals, and cosmetic preparation.cassia nomame also acts as a natural diuretic, provides thermogenic action to stimulate the burning of fat cells within the body. main function:1.reducing the adhesion of blood platelets and maintaining healthy blood flow3.serve as an antioxidants to maintain a healthy heart4.anatural lipase inhibitor5.acts as a natural diuretic, provides thermogenic action to stimulate the burning of fat cells within the bodyapplication:1.applied in food field, it can be added into food to prevent obesity2.applied in health product field, it is also made into capsules to protect heart health3.it can be used in feed additive 4.it can be used in beverage 5.it can be used in cosmetic

We are offering shiitake mushroom extract. product name: shiitake mushroom extract latin name: lentinula edodescas no: 37339-90-5specifications: 20%-50% polysaccharides part of plant used: fruiting body appearance: fine brown powder active ingredient: lentinan molecular formula: c42 h70 o35property: sweet, coldtest method: uvpackage: 25kg drums or customized aluminum foil packagingshelf time: 2 years while properly stored. introduction: as the second most popular edible mushroom worldwide, shiitake extracts define nutraceuticals - foods with positive health benefits. Polysaccharides and a compound called eritadenine are responsible for its effects. function:1. Protects against cancer2. Improves appearance of skin3. Hepatitis all forms. 4. Antiviral.anti-hiv action. 5. Immunity and longevity. 6. Anti-tumor activity. 7. Prevent heart disease by lowering cholesterol, blood pressure and has anticoagulant properties. 8. Fatigue. Anti - aging. 9. Dental cavities. 10. Anti- hyperlipemia.expelling. dosage: 616 grams per day, 100mg400mg of extract, 3 times a day, with foodsafety and toxicity: there have been no toxicities reported. Pregnant and lactating women should consult doctor before using. Excellent safety record but has been know to cause temporary diarrhea and bloating in high dosages. warnings: if you are pregnant, nursing, taking any medication or have a medical condition, please consult your healthcare practitioner before taking any dietary supplement. Keep out of reach of children. Store in a cool, dry place. Do not use if outer bottle seal is missing, torn or damaged in any way.

We are offering china origin sesamin. sesaminsesame extract sesaminplant origin: sesameactive ingredients: specifications: 98%test method : hplcappearance: white powderlatin name: sesaminmolecular formula: c20h18o6molecular weight: 354.4cas no.: 607-80-7 sesamin is a lignan isolated from the bark of fagara plants and from sesame oil. It has been used as a dietary fat-reduction supplement, although no controlled studies on this application have been performed. Its major metabolite is enterolactone, which has an elimination half life of less than 6 hours. sesamin improves the lipid profile, helps to normalize the blood pressure, and vitamin e absorption in addition to weight loss benefits. Studies have been conducted which prove that sesamin does help with weight loss. It also helps to preserve the body's lean muscle mass during dieting, which is torn down and used as fuel. This happens because sesamin has been shown to increase ketone production. This means that fewer amino acids will be used to create the ketones, which spares protein from the body. Some other health benefits include acting as an antihypertensive-to help regulate blood pressure--acting as an anti-inflammatory to reduce pain, and providing protection for the liver. the effect of pure sesamin epimer on serum lipids was studied in hypercholesterolemic ldl receptor-knockout mice under cholesterol fed condition. * providing natural product research and product customization service. eucommia ulmoides extract, chlorogenic acid 5%-98%banaba leaf extract, crosolic acid 1%-98%privet leaf extract, ursolic acid 15%-98%, 25%honeysuckle flowers extract, chlorogenic acid 5%-99%bitter apricot seed extract, amygdalin 50%-98%flax seed extract, secoisolariciresinol diglucoside 20%40%grape skin extract, resveratrol 50%-98%rhubarb extract, emodin 50%, 98%ampelopsis gressedentata extract, dihydromyricetin 25%, 98%china bayberry bark extract, myricetin 25%-98%grape seed extract, opc(oligomeric proantho cyanidins) 5%-98%eurycoma longifolia extract, 4:1, 10:1, 100:1shorthorned epimedium extract, icariin 50%-98%fructus lycit extract, lycium barbarum polysaccharides 20%-50%chinese blueberry extract, opc(oligomeric proantho cyanidins) 10% 15%20%magnolia bark extract, magnolol 20%-98%hnokiol 20%-98%magnolol+hnokiol 20%-98%lotus leaf extract, nuciferine 2%ginseng extract, total ginsenoside ginseng root 10%-80%mulberry leaf extract, 1- deoxynojirimycin(1-dnj) 1%-20%, 98%tomato extract, lycopene 5%-90%artemisia annua extract, artemisinin 98%swertiapatens extract, swertiamarin 25%-98%feverfew extract, parthenolide 25%-98%polygonum cuspidatum extract, resveratrol 25%-98%ligustrum lucidum ait extract, oleanic acid 98%scutellaria root extract, baicalin 20%-85%privet leaf extract, ursolic acid 25%-98%bearberry leaf extract, -arbutin 98%privet leaf extract, alpha-arbutin 98%grape seed extract, opc, 95%privet leaf extract, oleanic acid 98%ampelopsis grossedentata, dihydromyricetin dmy 98%rhubarb extract, emodin 50%-98%salvia root p.e, tanshinone iia 2%-98%salvia root p.e, cryptotanshinone 2%-98%olive leaf extract, hydroxytyrosol 5%-85%olive leaf extract, olives bitter glycosides 18%-60%gotu kola extract, asiaticoside 10%-90%gotu kola extract, madecassoside 10%-90%green tea extract, egcg 50%-998%tomato extract, lycopene 5%-90%rosehip extract, polypheol 10%20%rosemary extract, rosmarinic acid 2.5%-98%peony extract, paeoniflorin 5:1, 10:1, 20:1 10%-95%rosemary extract, rosmarinic acid 2.5%-98%st johns wort extract, hypericin 0.3% by uvfructus momordicae extract, mogroside v 25%-80%etc.

We are offering dandelion root extract. Extraction type: solvent extractionenglish name: dandelion root extractcas:127-22-0taraxacum is a large genus of flowering plants in the family asteraceae. They are native to eurasia and north america, and two species, t. Officinale and t. Erythrospermum, are found as weeds worldwide. Both species are edible in their entirety. The common name dandelion from french dent-de-lion, meaning lions tooth) is given to members of the genus, and like other members of the asteraceae family, they have very small flowers collected together into a composite flower head. Each single flower in a head is called a floret. Many taraxacum species produce seeds asexually by apomixis, where the seeds are produced without pollination, resulting in offspring that are genetically identical to the parent plant. Active components:it contains bitters of glycoside origin (taraxacin and taraxacirin), triterpene compounds of basically spirit origin as well as sitosterol and sigmasterol, polysaccharides (generally insulin). Main function:1. Anti-bactericidal and anti-inflammatory, it can accelerate the concrescence of the wounds;2. With the function of clearing heat and discharging toxin, diuretic, relieving depression and breast expansion;3. With the function of treating liver inflammation and congestion;4. With the function of filtering toxins and waste in blood, gallbladder, liver and kidney;5. With the function of treating common cold, chronic gastritis and constipation;6. It can promote the functional recovery of the human immunity system. Application1. As raw materials of drugs for clearing and detoxifying, diuretic, treating hepatitis and so on, it is used in pharmaceutical field;2. Applied in the fields of food and health product , dandelion contains a lot of amino acids, vitamins, minerals and other nutrients, which can help body with better health care;3. As products active ingredients for diuretic, eliminating breast expansion and constipation, it is used in health industry. * providing natural product research and product customization service. eucommia ulmoides extract, chlorogenic acid 5%-98%banaba leaf extract, crosolic acid 1%-98%privet leaf extract, ursolic acid 15%-98%, 25%honeysuckle flowers extract, chlorogenic acid 5%-99%bitter apricot seed extract, amygdalin 50%-98%flax seed extract, secoisolariciresinol diglucoside 20%40%grape skin extract, resveratrol 50%-98%rhubarb extract, emodin 50%, 98%ampelopsis gressedentata extract, dihydromyricetin 25%, 98%china bayberry bark extract, myricetin 25%-98%grape seed extract, opc(oligomeric proantho cyanidins) 5%-98%eurycoma longifolia extract, 4:1, 10:1, 100:1shorthorned epimedium extract, icariin 50%-98%fructus lycit extract, lycium barbarum polysaccharides 20%-50%chinese blueberry extract, opc(oligomeric proantho cyanidins) 10% 15%20%magnolia bark extract, magnolol 20%-98%hnokiol 20%-98%magnolol+hnokiol 20%-98%lotus leaf extract, nuciferine 2%ginseng extract, total ginsenoside ginseng root 10%-80%mulberry leaf extract, 1- deoxynojirimycin(1-dnj) 1%-20%, 98%tomato extract, lycopene 5%-90%artemisia annua extract, artemisinin 98%swertiapatens extract, swertiamarin 25%-98%feverfew extract, parthenolide 25%-98%polygonum cuspidatum extract, resveratrol 25%-98%ligustrum lucidum ait extract, oleanic acid 98%scutellaria root extract, baicalin 20%-85%privet leaf extract, ursolic acid 25%-98%bearberry leaf extract, -arbutin 98%privet leaf extract, alpha-arbutin 98%grape seed extract, opc, 95%privet leaf extract, oleanic acid 98%ampelopsis grossedentata, dihydromyricetin dmy 98%rhubarb extract, emodin 50%-98%salvia root p.e, tanshinone iia 2%-98%salvia root p.e, cryptotanshinone 2%-98%olive leaf extract, hydroxytyrosol 5%-85%olive leaf extract, olives bitter glycosides 18%-60%gotu kola extract, asiaticoside 10%-90%gotu kola extract, madecassoside 10%-90%green tea extract, egcg 50%-998%tomato extract, lycopene 5%-90%rosehip extract, polypheol 10%20%rosemary extract, rosmarinic acid 2.5%-98%peony extract, paeoniflorin 5:1, 10:1, 20:1 10%-95%rosemary extract, rosmarinic acid 2.5%-98%st johns wort extract, hypericin 0.3% by uvfructus momordicae extract, mogroside v 25%-80%etc.

We are offering echinacea purpurea, ext. synonyms:echinacea extractcas number: 90028-20-9botanical source: echinacea purpurea appearance: fine yellow- brown powder standard: polyphenols 4%, 7% cichoric acid 4% effectiveness: body balance/ antiviruscategory: standard herbal extractactive ingredientpolyphenol, coffee acid derivatives and polysaccharidetest method: hplcplant of origin: echinacea purpureaechinacea purpurea (eastern purple coneflower or purple coneflower) is a species of flowering plant in the genus echinacea. Its cone-shaped flowering heads are usually, but not always purple. It is native to eastern north america and present to some extent in the wild in much of the eastern, southeastern and midwest united states. It is also grown as an ornamental plant, and numerous cultivars have been developed for flower quality and plant formsuggested applications:1.to stimulate the body's immune system against all infectious and inflammatory, conditions, counteracts pus, and stimulates digestion. 2.to strengthen the immune system against pathogenic infection by stimulating phagocytosis, t-cell formation, and by inhibiting the hyalurinadase enzyme secreted by bacteria to effect the breakdown of remedies against all kinds of bacterial and viral infections. 3. Immunomodulatory agentsechinacea stimulates the body's immune system against all infectious and inflammatory, conditions, counteracts pus, and stimulates digestion. It specifically strengthens the immune system against pathogenic infection by stimulating phagocytosis, t-cell formation, and by inhibiting the hyalurinadase enzyme secreted by bacteria to effect the breakdown of remedies against all kinds of bacterial and viral infections. 4. Resistance to infectionstraditionally, it was highly valued as a remedy against various types of infections, in treating poisonous bites of snakes and insects, as a palliative agent in malignant conditions and for its wound-healing properties. It is now particularly used to increase resistance to infections. evidence from at least a dozen clinical trials shows that echinacea is effective in either treating or preventing upper respiratory tract infections (urtis). 5.prevention and treatment of coldsa meta-analysis of all in-vivo clinical research studies regarding the mode of action, prevention and treatment of colds with echinacea are showing a new picture: those who took echinacea as a prophylactic treatment had, during the cold season, more than 50% less risk of catching a cold compared to those who did not take echinacea. Products with alcohol extracts of echinacea have shown better results compared to juices. 6. Tissue rebirth propertiesechinacea extract inhibits hyaluronidase; stimulate fibroblast growth and manufacture of glucosaminoglycans; exerts cortisone-like effects and enhances secretion of adrenal cortex hormones. 7. Antibacterial & antiviral propertiesmild antibacterial action due to echinacoside and caffeic acid derivatives. echinacea extract inhibits influenza, herpes and resicular stomatitis virues; antiviral activity due to hyaluronidase inhibition; may block viral receptor on the cell surface. 8. Biological activityechinacea extract can promote the bodys immune function, raise the bodys resistance to bacterial and viral infections, can be used to influenze, cold, urogenital infection, arthritis, snake bites and cancer. side effects and cautions if used orally, the herbal remedies made from the echinacea are essentially nontoxic in nature and produce no side effects. However, the use of echinacea by certain individuals must be under the supervision of a doctor or following consulting with a qualified physician, this is the case if such individuals are affected by any form of autoimmune illnesses, including the condition known as lupus, or even any other progressive diseases, including tuberculosis and multiple sclerosis especially, if the person has been affected by the condition over the long period of time. Echinacea must be used with extreme caution by all individuals who develop allergic reactions to the flowers of the daisy family - as the echinacea flowers might also trigger some allergic response for the body. Pregnant and lactating women can use the echinacea remedies in the same way as other people, and in similar doses to other safe herbs, as there does not seem to be any known contraindications with the therapeutic use of echinacea during a term of pregnancy or its use by nursing mothers. * providing natural product research and product customization service. eucommia ulmoides extract, chlorogenic acid 5%-98%banaba leaf extract, crosolic acid 1%-98%privet leaf extract, ursolic acid 15%-98%, 25%honeysuckle flowers extract, chlorogenic acid 5%-99%bitter apricot seed extract, amygdalin 50%-98%flax seed extract, secoisolariciresinol diglucoside 20%40%grape skin extract, resveratrol 50%-98%rhubarb extract, emodin 50%, 98%ampelopsis gressedentata extract, dihydromyricetin 25%, 98%china bayberry bark extract, myricetin 25%-98%grape seed extract, opc(oligomeric proantho cyanidins) 5%-98%eurycoma longifolia extract, 4:1, 10:1, 100:1shorthorned epimedium extract, icariin 50%-98%fructus lycit extract, lycium barbarum polysaccharides 20%-50%chinese blueberry extract, opc(oligomeric proantho cyanidins) 10% 15%20%magnolia bark extract, magnolol 20%-98%hnokiol 20%-98%magnolol+hnokiol 20%-98%lotus leaf extract, nuciferine 2%ginseng extract, total ginsenoside ginseng root 10%-80%mulberry leaf extract, 1- deoxynojirimycin(1-dnj) 1%-20%, 98%tomato extract, lycopene 5%-90%artemisia annua extract, artemisinin 98%swertiapatens extract, swertiamarin 25%-98%feverfew extract, parthenolide 25%-98%polygonum cuspidatum extract, resveratrol 25%-98%ligustrum lucidum ait extract, oleanic acid 98%scutellaria root extract, baicalin 20%-85%privet leaf extract, ursolic acid 25%-98%bearberry leaf extract, -arbutin 98%privet leaf extract, alpha-arbutin 98%grape seed extract, opc, 95%privet leaf extract, oleanic acid 98%ampelopsis grossedentata, dihydromyricetin dmy 98%rhubarb extract, emodin 50%-98%salvia root p.e, tanshinone iia 2%-98%salvia root p.e, cryptotanshinone 2%-98%olive leaf extract, hydroxytyrosol 5%-85%olive leaf extract, olives bitter glycosides 18%-60%gotu kola extract, asiaticoside 10%-90%gotu kola extract, madecassoside 10%-90%green tea extract, egcg 50%-998%tomato extract, lycopene 5%-90%rosehip extract, polypheol 10%20%rosemary extract, rosmarinic acid 2.5%-98%peony extract, paeoniflorin 5:1, 10:1, 20:1 10%-95%rosemary extract, rosmarinic acid 2.5%-98%st johns wort extract, hypericin 0.3% by uvfructus momordicae extract, mogroside v 25%-80%etc.

We are offering honey suchle flowers extract. Product name: honeysuchle flowers extract /honeysuchle flowers extract powder / honeysuchle flowers p. E. /chlorogenic acid specification: chlorogenic acid 25%, 98% (hplc)molecular formula: c16h18o9cas no: 327-97-9 solubility: good solubility in water appearance: fine crystal powder function: a) can be used as anti-infectious active ingredientb) has wide anti-virus, anti-bacteria effectsc) has relatively lower toxicity and side-effectsd) has obvious anti-infectious effects. E) due to its obvious anti-infectious effects, it not only can be used in pharmaceutical field but also can be used widely in many other fields like food, feed additives and cosmetics description of chlorogenic acid:a) has a wide range of biological effects, from insect resistance to human healthb) an important factor in plant metabolismc) an antioxidant and has anti-fungi effectivity, stronger than the antibacterial effectivityd) an ester of caffeic acid and quinic acid, a major phenolic compound in coffee, the daily intake of coffee drinkers is 0.05-0.1ge) strong antioxidants in vitro and could therefore be contribute to the prevention of disease caused by free radicals * providing natural product research and product customization service. eucommia ulmoides extract, chlorogenic acid 5%-98%banaba leaf extract, crosolic acid 1%-98%privet leaf extract, ursolic acid 15%-98%, 25%honeysuckle flowers extract, chlorogenic acid 5%-99%bitter apricot seed extract, amygdalin 50%-98%flax seed extract, secoisolariciresinol diglucoside 20%40%grape skin extract, resveratrol 50%-98%rhubarb extract, emodin 50%, 98%ampelopsis gressedentata extract, dihydromyricetin 25%, 98%china bayberry bark extract, myricetin 25%-98%grape seed extract, opc(oligomeric proantho cyanidins) 5%-98%eurycoma longifolia extract, 4:1, 10:1, 100:1shorthorned epimedium extract, icariin 50%-98%fructus lycit extract, lycium barbarum polysaccharides 20%-50%chinese blueberry extract, opc(oligomeric proantho cyanidins) 10% 15%20%magnolia bark extract, magnolol 20%-98%hnokiol 20%-98%magnolol+hnokiol 20%-98%lotus leaf extract, nuciferine 2%ginseng extract, total ginsenoside ginseng root 10%-80%mulberry leaf extract, 1- deoxynojirimycin(1-dnj) 1%-20%, 98%tomato extract, lycopene 5%-90%artemisia annua extract, artemisinin 98%swertiapatens extract, swertiamarin 25%-98%feverfew extract, parthenolide 25%-98%polygonum cuspidatum extract, resveratrol 25%-98%ligustrum lucidum ait extract, oleanic acid 98%scutellaria root extract, baicalin 20%-85%privet leaf extract, ursolic acid 25%-98%bearberry leaf extract, -arbutin 98%privet leaf extract, alpha-arbutin 98%grape seed extract, opc, 95%privet leaf extract, oleanic acid 98%ampelopsis grossedentata, dihydromyricetin dmy 98%rhubarb extract, emodin 50%-98%salvia root p.e, tanshinone iia 2%-98%salvia root p.e, cryptotanshinone 2%-98%olive leaf extract, hydroxytyrosol 5%-85%olive leaf extract, olives bitter glycosides 18%-60%gotu kola extract, asiaticoside 10%-90%gotu kola extract, madecassoside 10%-90%green tea extract, egcg 50%-998%tomato extract, lycopene 5%-90%rosehip extract, polypheol 10%20%rosemary extract, rosmarinic acid 2.5%-98%peony extract, paeoniflorin 5:1, 10:1, 20:1 10%-95%rosemary extract, rosmarinic acid 2.5%-98%st johns wort extract, hypericin 0.3% by uvfructus momordicae extract, mogroside v 25%-80%etc.

We are offering origin china hydroxytyrosol. Product namehydroxytyrosolhydroxytyrosolspecification: hydroxytyrosol 20%-97%(hplc)molecular formula:: c8h10o3molecular weight: 154.1632 cas no: 10597-60-1 usage : applied to beauty products health products, and can effectively enhance the skin elasticity and moist, and has the effect of anti-aging except knithydroxytyrosol acetate was synthesized, and the antioxidant activity of this olive oil component was assessed in comparison with that of other olive oil components, namely hydroxytyrosol, oleuropein, 3, 4-dhpea-ea, and -tocopherol in bulk oil and oil-in-water emulsions. The activity of the compounds was also assessed by scavenging of 1, 1-diphenyl-2-picrylhydrazyl (dpph) radicals. Hydroxytyrosol acetate had a weaker dpph radical scavenging activity than hydroxytyrosol, oleuropein, or 3, 4-dhpea-ea but it had a radical scavenging activity similar to that of -tocopherol. In oil, the antioxidant activity of hydroxytyrosol acetate was much higher than that of -tocopherol or oleuropein, but in an emulsion 3, 4-dhpea-ea and -tocopherol were more effective as antioxidants than hydroxytyrosol acetate. The antioxidant activity of hydroxytyrosol acetate was rather similar to that of hydroxytyrosol in oil and emulsions despite the difference in dpph radical scavenging activity. keywords: olive oil; hydroxytyrosol; 3, 4-dhpea-ea; oleuropein; hydroxytyrosol acetate; -tocopherol; emulsion; antioxidants. * providing natural product research and product customization service. eucommia ulmoides extract, chlorogenic acid 5%-98%banaba leaf extract, crosolic acid 1%-98%privet leaf extract, ursolic acid 15%-98%, 25%honeysuckle flowers extract, chlorogenic acid 5%-99%bitter apricot seed extract, amygdalin 50%-98%flax seed extract, secoisolariciresinol diglucoside 20%40%grape skin extract, resveratrol 50%-98%rhubarb extract, emodin 50%, 98%ampelopsis gressedentata extract, dihydromyricetin 25%, 98%china bayberry bark extract, myricetin 25%-98%grape seed extract, opc(oligomeric proantho cyanidins) 5%-98%eurycoma longifolia extract, 4:1, 10:1, 100:1shorthorned epimedium extract, icariin 50%-98%fructus lycit extract, lycium barbarum polysaccharides 20%-50%chinese blueberry extract, opc(oligomeric proantho cyanidins) 10% 15%20%magnolia bark extract, magnolol 20%-98%hnokiol 20%-98%magnolol+hnokiol 20%-98%lotus leaf extract, nuciferine 2%ginseng extract, total ginsenoside ginseng root 10%-80%mulberry leaf extract, 1- deoxynojirimycin(1-dnj) 1%-20%, 98%tomato extract, lycopene 5%-90%artemisia annua extract, artemisinin 98%swertiapatens extract, swertiamarin 25%-98%feverfew extract, parthenolide 25%-98%polygonum cuspidatum extract, resveratrol 25%-98%ligustrum lucidum ait extract, oleanic acid 98%scutellaria root extract, baicalin 20%-85%privet leaf extract, ursolic acid 25%-98%bearberry leaf extract, -arbutin 98%privet leaf extract, alpha-arbutin 98%grape seed extract, opc, 95%privet leaf extract, oleanic acid 98%ampelopsis grossedentata, dihydromyricetin dmy 98%rhubarb extract, emodin 50%-98%salvia root p.e, tanshinone iia 2%-98%salvia root p.e, cryptotanshinone 2%-98%olive leaf extract, hydroxytyrosol 5%-85%olive leaf extract, olives bitter glycosides 18%-60%gotu kola extract, asiaticoside 10%-90%gotu kola extract, madecassoside 10%-90%green tea extract, egcg 50%-998%tomato extract, lycopene 5%-90%rosehip extract, polypheol 10%20%rosemary extract, rosmarinic acid 2.5%-98%peony extract, paeoniflorin 5:1, 10:1, 20:1 10%-95%rosemary extract, rosmarinic acid 2.5%-98%st johns wort extract, hypericin 0.3% by uvfructus momordicae extract, mogroside v 25%-80%etc.