Grape Leaf Extract Polyphenol manufacturer Vitis vinifera extract supplier
As we all know whole grapes are wonderful sources of antioxidants but turns out, grape leaves are rich in antioxidant and antimicrobial compounds as well. A fascinating piece of research published in the International Journal of Food Properties in early 2013 compared the antioxidant properties of grape leaves collected in May, August, and September. This study found that the grape leaves plucked in September had the highest levels of total phenols, flavonoids, flavonols, and stilbenes, all of which are known for strong antioxidant properties. Check other grape extracts series here
Grape Leaf Extract Polyphenol manufacturer Vitis vinifera extract supplier
Function
★ Grape leaf extract contains lots of antioxidant ingredients which can be used in cosmetics.
★ The Polymerization of phenol which contains in the grape leaf extract can with the protein in the virus or bacteria, to lose the ability of infectious diseases.
★ Grape leaf extract has the function of curing vitamin B12 pernicious anemia, often drink red wine, is good for treatment of pernicious anemia Treatment of youth flat warts
Manufacturing process Grape Leaf Extract Polyphenol manufacturer Vitis vinifera extract supplier
Basic information of Grape Leaf Extract Polyphenol manufacturer Vitis vinifera extract supplier
| Name: | Grape Leaf Extract | Botanical source: | Vitis vinifera L. |
| Original of the plant: | China | Part used: | Leaf |
| Extract solvent: | Water&Ethanol | Maker compounds: | Polyphenol 10%~30$ |
| Testing method: | UV | Appearance: | Yellow brown powder |
Technical Specification of Grape Leaf Extract Polyphenol manufacturer Vitis vinifera extract supplier
| Appearance | yellow brown powder | Identification: | Identical to R.S. sample |
| Assay: | Polyphenol 10%-30% | Bulk density: | 40~60g/100ml |
| Tap density: | 60~90g/100ml | Total Ash: | Max.5.0% |
| Loss on drying: | Max. 5.0% | Sieve analysis: | 100% through 80 mesh |
| Microbiological test | |||
| Total of Bacteria: | Max.1000 cfu/g | Fungi: | Max.100 cfu/g |
| Tap density: | Negative | E.Coli: | Negative |
| Heavy metals: | |||
| Pb<3ppm | Cd<1ppm | Hg<0.1ppm | As<2ppm |
| Residual pesticides: | Compliance to Reg.(EC) 396/2005 and subs. Amendments and updates | ||
| Solvent residues: | Meet with Eur.Ph | ||
Package & Shipment of Grape Leaf Extract Polyphenol manufacturer Vitis vinifera extract supplier
Delivery: Sea/Air Shipping & International Express
Shipping Time: 2-3 working days after payment
Package: 1-5kg/Aluminum foil bag, size: 22cm (Width)*32cm (Length)
15-25kg/Drum, size: 38cm (Diameter)*50cm (Height)
Storage: Kept away from strong light and heat.
Shelf Life: 24 months
| Weight | Gross weight | Size | CBM | Packed details |
| 25kg/drum | 28 kg | 36*36*51 cm | 0.06 m3 | Packed in a cardboard-drum with two plastic-bags inside |
| 10kg/drum | 13 kg | 30*30*40 cm | 0.03 m3 | Packed in a cardboard-drum with two plastic-bags inside |
| 5kg/bag | 6.4 kg | 27*30 cm | / | Packed in an aluminum foil bag;Outer: paper carton;Inner:double-layer PE |
| 1kg/bag | 1.2 kg | 20*25 cm | / | Packed in an aluminum foil bag;Outer: paper carton;Inner:double-layer PE |
| We can also packing per your requirements | ||||
Why can you trust ETchem?
Grape Leaf Extract Polyphenol manufacturer Vitis vinifera extract supplier
Walking through your manufacturing facility
Grape Leaf Extract Polyphenol manufacturer Vitis vinifera extract supplier
Which Documentation will you receive?
★ Certificate of Analysis
★Technical Data Sheets (TDS)
★MSDS
★Allergen fact sheets & statements
★ BSE/TSE statements
★ GMO free statements
★ Process flow charts
★ Method of Analysis
★Non-Aflatoxins contamination certificate
★ PAHs free declaration
★CITES regulatory compliance
★ Compliance certification.
How to test and ensure the quality of your products in Laboratory for Grape Leaf Extract Polyphenol manufacturer Vitis vinifera extract supplier
♕ Physical test ♕ Herbal active ingredients test
♕ Pesticides residue test ♕ Heavy metals test
♕ Solvents residue test ♕ Microbiological test
♕ Conventional indicators analysis ♕ Nutrition labels testing
♕ Plasticizer GC-MS
♕ Polycyclic aromatic hydrocarbons testing GC-MS
According to BP,CP,EP,JP,USP
How to ensure you NO-RISK? Pre-shipment sample confirmation
The answer is the Pre-shipment sample. If you not sure if the product is the right one you want, or you are worried about the bulk order, we will send you a pre-shipment sample which as same as the bulk order to you for FREE. After your see by your eyes and approve it, then the goods are delivered out to you.
How long it take you to receive in hand
for Grape Leaf Extract Polyphenol manufacturer Vitis vinifera extract supplier
From China&USA warehouse-1 week
From China warehouse, send out to Beijing China airport within 2 days, take air flight to your nearest airport, you will receive it around 1 week estimated
From USA CA warehouse, we will deliver to your company using UPS express. Normally it takes 3 days for you to receive it.
New production-2 weeks
It takes around 1 week for us to produce and test it. After testings results come out, we will deliver from Beijing airport to your nearest airport. It takes around 2 weeks.
What did other buyers say?
for Grape Leaf Extract Polyphenol manufacturer Vitis vinifera extract supplier
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Thank you and ETchem for your continuing support of great quality herbal extracts with ZERO defects. You have wide range of qualified products and USA stock warehouse service. It is so easy for us to arrange and manage our supply chain with lower cost. They deserve my recommendation.
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It’s so pleasant to work with you for several years. I know that we do love your service and products. All documents are always provided on time. Delivery is never delayed. Definitely no need to worry about all details when importing your products.
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Jacky is always so high efficiency anytime when I send any inquiry. He not only have good business sense, but also have great technical experience and knowledge.Many technical questions from our clients are solved so well every time. He is really the perfect partner.
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There is increasing demand and awarenes for natural food. So we replaced the food colorants to be 100% natural ones of etchem. This gives health-promoting properties of my products and enhance our sales volume.I highly recommend their 100% pure natural colorants.
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My clients have very strict requirements for ingredients and extracts. Etchem’s innovative supercritical CO2 extraction technology solve the solvents and heavy metal residues perfectly. The products are double-tested in our laboratory. All specification meets the strict requirements.
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