[Products Name]  Propolis block, pure propolis, raw propolis

[Specification]  Propolis content 90%,95%

[Gerneral feature]

1. Low antibiotics

2. Low PAHs, can approve to 76/769/EEC/German:LMBG;

3.Organic certified by ECOCERT, according to EOS & NOP organic standard;

4.Pure natural propolis;

5.High content of flavones;

6.Low temperature extracted, retain high activity of all nutritions;

[Packaging]
1. 1kg/aluminum foil bag, 20kgs/carton.

[How to get it]

First, we collect raw propolis from beehives, then extract by low temperature with ethanol. Filter and concentrate, we get the pure propolis block at 90% to 95%.

[Introduction]

Propolis comes from the substance like natural resin, which is collected by the bees from exudates of plants branches and bud the chemical substances of Propolis are found to be various, such as beeswax, resin, incense lipids, aromatic oil, fat-soluble oils, pollen and other organic matter. Studies have shown that the source of propolis resin in material has three types: bees collected plants secreted fluid, secretion in vivo metabolism of bee, and involvement in the process of forming the material.

We can supply Propolis Extract with food-grade and medicine-grade .The raw materiall is came from non-polluting food grade propolis .Propolis extract was made of high-grade propolis. It maintains the propolis effective ingredients during the procedure of extraction under constant low temperature , taking off the useless substances and sterilization.

[Function]

Propolis is a natural product processed by bees mixed with glutinous and its secretion.

Propolis contains more than 20 kinds of useful flavonoids, rich vitamins, enzymes, amino acids and other microelements, etc. Propolis is called “purple gold” owing to its valued nutrients.

Propolis can remove free radical, lower blood sugar and blood fat, soften blood vessels, improve micro-circulation, enhance immunity, anti-bacteria and anti-cancer.

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Genetic engineering of Saccharomyces cerevisiae for hyaluronic acid production

Hyaluronic acid (HA) is vital for normal growth and development of vertebrate which makes it as a commercially valuable polysaccharide in pharmaceutical and cosmetics industries. HA is synthesized by polymerization of two nucleotide sugars UDP-glucuronic acid and UDP-N-acetylglucosamine by the enzyme HA synthase (hasA). Two major genes required for the formation of HA monomers are hasB (UDP-glucose dehydrogenase) and hasD (glucosamine-phosphate acetyl transferase) respectively. Native Streptococcal species are being used for industrial scale production of HA, however, the presence of endotoxins and pathogenic factors renders it unsuitable for medical purposes. Hence, this demands for metabolic engineering of Generally Recognized As Safe (GRAS) microbes to produce HA. We have chosen Saccharomyces cerevisiae as a host for HA production due to its advantages such as lack of pathogenecity and hyaluronidase. In addition, it does not produce HA or any other polysaccharide that contains glucuronic acid due to absence of hasA and hasB. Thus, it makes S. cerevisiae a superior model system to elucidate HA biosynthesis. Jeong et.al., (2014) has demonstrated the expression of has genes from Xenopus laevis, though with low yield, in Pichia pastoris for HA production. In the current work, we have expressed X. laevis has genes in S. cerevisiae for producing medical-grade HA.

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