Grape Skin Red Colorant

Short Description:

Grape skin pigments contain more than 20 anthocyanins and tartaric acid. Grape skins are rich in anthocyanins, and as inedible parts of fresh fruit and by-products of grape processing, they are widely available and inexpensive, making them a natural food coloring resource that can be exploited. According to M, Textiles India, natural dyes extracted from grape skins can be used for dyeing wool and silk fabrics. The fastness to rubbing, sunlight fastness. The dye from grape skins was found to be compatible with other natural dyes and was found to give better color fastness to silk than to wool dyeing.

Grape skin red is an anthocyanin pigment Grapeskin red, whose main coloring components are mallowin, paeonin, arachidonin and glucoside of 3´-methocyanin or anthocyanin. Malvidin (C17H15O7X): R, R1=OCH3Paeoniflorin (C15H11O7X): R Natural Grapevine Red, R1=OHTriacin (C16H13O6X): R= OCH3 , R1=H3´-methocyanidin (C16H13O7X): R= OCH3 , R1=OHX¯= acid component Physicochemical properties: red to dark purple liquid, lumpy, paste or powder It is soluble in water, ethanol, propylene glycol and insoluble in grease. The color tone changes with the change of pH value, red to purple-red when acidic, dark blue when alkaline. In the presence of iron ions, it appears dark purple. Not too strong in staining and heat resistance, easy to oxidize and change color.


Product Detail

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Product name: Grape Skin Red Colorant
Product source: extracted from the skins of Vitis Vinifera grapes
Product appearance: dark red powder
Grade: Pharmaceutical ; Food
Application: beverages, dessert, cake, health products
Certifications: ISO,KOSHER,Halal,Organic;

Plant source:
Extracted and refined from the skin of red grapes. Mainly composed of anthocyanins, flavonoids, etc.

Solubility Habit:
Soluble in water, ethanol, acetic acid, etc. Insoluble in oil and grease. Acidic purplish red, neutral blue-purple, alkaline blue

Physical and chemical properties:
The product is dark purple powder, easily soluble in water and ethanol aqueous solution, insoluble in oil and anhydrous ethanol.
It is insoluble in grease and anhydrous ethanol. Its color and stability are affected by PH: acidic
It is stable red or purplish red when acidic; blue when neutral; unstable green when alkaline.

Application scope:
Natural food coloring for coloring acidic beverages, wines, jams, jellies and other foods.

FAQ

Q1: Are you manufacturer or trading company?

Manufacturer.We have 3 factories, 2 based in Ankana, Xian Yang in China and 1 in Indonesia.

Q2: Can I get some sample?

Yes, usually 10-25g sample for free.

Q3: What’s your MOQ?

Our MOQ is flexible,usually 1kg-10kg for trial order is acceptable, for formal order MOQ is 25kg

Q4: Is there a discount?

Of course. Welcome to contactus. Price would be different based on different quantity. For bulk
quantity, we will have discount for you.

Q5: How long for production and delivery?

Most products we have in stock, delivery time: Within 1-3 business days after received payment
Customized products further discussed.

Q6: How to deliver the goods?

≤50kg ship by FedEx or DHL etc, ≥50kg ship by Air, ≥100kg can be shipped by Sea. If you have special request on delivery, please contact us.

Q7: What is the shelf life for the products?

Most products shelf life 24-36 months, meet with COA.

Q8: Do you accept ODM or OEM service?

Yes.We accept ODM and OEM services. Ranges: Soft qel, Capsule, Tablet, Sachet, Granule, Private
Label service, etc. Please contact us to design your own brand product.

Q9: How to start orders or make payments?

There are two ways for you to confirm order?
1.Proforma invoice with our company bank details will be sent to you once the order confirmed by
Email. Pls arrange payment by TT. Goods will be sent after received payment within 1-3 business days.
2. Need to be discussed.

Ruiwo

Ruiwo

About natural plant extract, contact us at info@ruiwophytochem.com at any time! We are a professional Plant Extract Factory, which has three production bases!


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