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Roselle Calyx Extract

Product Name Roselle Calyx Extract
Active Ingredients Anthocyanins and Polyphenols
CAS Number 84775-96-2
Applications Personal Care, Dietary Supplements, Functional Foods, Animal Nutrition, etc.
Package 1kg,5kg/bag, 25kg/drum


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Roselle Calyx Extract

Roselle Calyx Extract boosts the immune system function. It may control cancer cell growth and promote diuresis. Want to wholesale bulk ingredients for your supplements, welcome to come to our all ingredients store.

What Is Roselle Calyx Extract?

Roselle, an annual herb of hibiscus in the Malvaceae family, has calyces rich in anthocyanin, ascorbic acid, and other phenolic compounds. The fleshy calyces are used to make a beverage with anti-hypertensive, diuretic, and mild laxative properties, and contain natural antioxidants like vitamin C and anthocyanins. Roselle calyx extract is rich in bioactive compounds like polyphenols, flavonoids, betaine, and hibiscus acid. Antioxidant properties decrease after baking.

Active Ingredient In Roselle Calyx Extract

The main active ingredients in this product are the chemical components of:

Anthocyanins: Supercritical carbon dioxide was used to isolate anthocyanins, a natural red pigment, from roselle calyces. Anthocyanins are important antioxidants responsible for the medicinal qualities of the extracts.

Polyphenols: Roselle calyxes were used to extract polyphenols using ultrasonic technology due to its beneficial health properties from polyphenols content.

Bulk Roselle Calyx Extract Specification Sheet

TypePlant Extract
AppearanceRose Powder
CertificationsKosher, Halal, GMP, etc.
Active IngredientAnthocyanins and Polyphenols
Test MethodsTLC
Shelf Life Once Used in Manufacturing2 years if properly stored
MOQ (minimum order quantity)1kg
SampleAvailable (10-20g/bag)
OEM ServiceAvailable, such as capsules, tablets, pills, etc.
ODM ServiceAvailable
Private LabelAvailable
Contract ManufacturingAvailable

Roselle Calyx Extract Health Benefits & Uses

Roselle, also known as Luoshenkui, is a plant belonging to the Malvaceae family and has various benefits and uses like:

  1. Anti-flammatory

Roselle petals contain polyphenols that have anti-inflammatory effects.

  1. Liver Protection

Roselle calyx extract is good for the liver. It contains glutathione and anthocyanins that can improve detoxification, repair damage, and reduce the risk of liver cancer and injury.

  1. Beauty

Roselle calyx extract removes melanin, promotes pigment excretion, removes spots, and beautifies the skin.

  1. Renal Function

Has potential benefits in managing urinary tract infections. It may also improve renal function by reducing blood urea nitrogen and creatinine levels.

  1. Diuretic

It has been found to have diuretic properties, which can help your kidneys eliminate excess fluid from your body.

Practical Applications

Different concentrations of Roselle calyx extracts were utilized in the study like: 

Beverage: Roselle plant’s fleshy calyces are used to make a Ribena-like beverage with anti-hypertensive, diuretic, and mild laxative properties. It’s also rich in natural antioxidants like vitamin C and anthocyanins.

Medicine: Roselle extract from leaves, calyx, and seeds is a natural antibacterial agent.

Cosmetics: The extract is a safe and effective ingredient in hair and skin care products. It has a risk coefficient of 1, making it completely safe to use. 

As a Coloring Agent: Roselle calyx extract is a natural coloring agent, rich in anthocyanin. It is widely used as an alternative dye to eosin 2% for staining intestinal nematode eggs.

Are There Any Side Effects of Roselle Calyx Extract?

Roselle Calyx Extract is safe when taken in recommended medicinal amounts for up to 6 weeks. Side effects are uncommon such as:

  • Constipation
  • Stomach Pain
  • Gas

Is Roselle Calyx Extract Safe to Consume?

  • Roselle leaf and calyx are absolutely safe for consumption as they are not toxic. Additionally, their fruit acids have been known to have a laxative effect.

Special Precautions and Warnings

Roselle Calyx Extract is a food ingredient that is commonly consumed. However, there are certain precautions that should be taken into consideration before consuming it.

Pregnancy: Avoid using this during pregnancy as it may cause menstrual cycle or terminate pregnancy.

Breast Feeding: Do not use Roselle Calyx Extract  while breastfeeding as it can harm your infant.

Surgery: Stop using Roselle Calyx Extract at least 2 weeks before surgery as it may interfere with blood sugar control during and after the surgery.

Children: For children under 12, there is not enough reliable information to determine if it is safe for consumption.

Does Roselle Calyx Extract Do Good for Skin


Rosella extract improves skin texture, reduces fine lines, and wrinkles, and protects from environmental stressors like pollution and UV rays. It’s a natural source of polyphenols.

Is Roselle Calyx Extract FDA-Approved?

Only a few naturally occurring colorants are FDA-approved for use in foods, such as anthocyanins that are commercially accessible.

How to Store Roselle Calyx Powder?

Storage Instruction: To ensure the preservation of the pack’s quality, it is recommended to store it in an airtight container in a cool and dry location. This will help maintain its freshness and longevity.

Where to Wholesale Roselle Calyx Extract?

Nutri Avenue is the ultimate destination for those who seek high-quality roselle calyx extract. Our extract is perfect for making a variety of healthy foods and helpful medicines, and it’s available in multiple quantities. We have a robust supply chain capability, with three warehouses located in California (2) and Florida (1), as well as a public warehouse in NY/NJ. Our company is committed to providing you with everything you need to make an informed decision, including key details about the supplier, price, shipping, services, certificate, and adequate sources of goods. Contact us now to get a quote and start experiencing the benefits of our top-notch roselle calyx extract. 

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