• PCA PA Herbal Plant Extract Powder Protocatechuic Acid CAS 99-50-3
  • PCA PA Herbal Plant Extract Powder Protocatechuic Acid CAS 99-50-3
PCA PA Herbal Plant Extract Powder Protocatechuic Acid CAS 99-50-3

PCA PA Herbal Plant Extract Powder Protocatechuic Acid CAS 99-50-3

Product Details:

Place of Origin: Shaanxi
Brand Name: Rongsheng
Certification: Organic/ISO9001/Kosher/Halal
Model Number: 220810

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Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: 1kg/ Bag 25kg/drum
Delivery Time: Negotiable
Payment Terms: T/T, Western Union, L/C, D/A, D/P, MoneyGram
Supply Ability: Negotiable
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Detail Information

Product Name: Protocatechuic Acid Appearance: White Powder
CAS NO.: 99-50-3 Specification: 99%
Shelf Life: 2 Years Sample: Available
High Light:

PCA PA Protocatechuic Acid


Herbal Plant Extract Protocatechuic Acid


CAS 99-50-3 Herbal Plant Extract Powder

Product Description

                                                             Herbal Plant Extract Powder PCA PA Protocatechuic Acid CAS 99-50-3

Description of Protocatechuic Acid
Protocatechuic acid; PCA is an organic compound with the molecular formula (HO)2C6H3COOH and molecular weight 154.12. The appearance is white to brown crystalline powder, discoloration in air. Dissolved in 50 parts water; Soluble in ethanol and ether. It is found in the leaves of Stenoloma chusanum(L.)Ching and in the leaves of Ilex Chi-nensis Sims.
Character of Protocatechuic Acid



Product name Protocatechuic Acid
Item Specification Results
Assay by HPLC ≥95% ≧95.69%
Appearance White Powder White Powder
Molecular Weight 154.12 Conforms
Melting point 197-200 °C (dec.) (lit.) Conforms
Boiling point 237.46°C (rough estimate) Conforms
Density 1.54 Conforms
Odor Characteristic Conforms
Refractive index 1.6400 (estimate) Conforms
Heavy Metals <10ppm Conforms
As <1ppm Conforms
Pb <1ppm Conforms
Cd <0.05ppm Conforms
Hg Negative Conforms
Total Plate Count <1000cfu/g Conforms
Yeast & Mold <100cfu/g Conforms
E. Coli Negative Absent
S. Aureus Negative Absent
Salmonella Negative Absent
Pesticides Negative Absent
Conclusion Conform with specification

Function & Application of Protocatechuic Acid


1. Protocatechuic acid can be used as dye and pharmaceutical intermediate.
2.Used as dyes, pharmaceutical intermediates, analytical reagents (determination of iron).
3. Protocatechuic acid can be used to study the effects of 4-coumaric acid and 3-dihydroxybenzoic acid on basic oxidative DNA damage in rat colonic mucosa in vivo. It can be used for the derivatization of chitosan resin.

Introduce of Protocatechuic Acid:


Protocatechuic acid (PCA), or 3,4-dihydroxybenzoic acid, is a phenolic acid found naturally in many vegetables and fruits, and is an active ingredient in many Chinese herbal medicines (e.g. Salvia divinorum, Hibiscus esculentus). Protocatechuic acid is a water-soluble phenolic acid and is the active ingredient in many herbal medicines. It has pharmacological activities such as anti-platelet agglutination, reducing myocardial oxygen consumption, improving myocardial oxygen tolerance, slowing heart rate, antibacterial and analgesic effects, as well as antioxidant, anti-tumour and neuroprotective effects.


Protocatechuic acid (PA) is a water-soluble phenolic acid that is widely found in common herbs such as Sesquiterpene, Herb, and Bittersweet, and has significant pharmacological effects in reducing myocardial oxygen consumption, improving myocardial oxygen tolerance, and slowing heart rate, as well as having significant anti-HBV effects .


Synonyms: 3,4-dihydroxybenzoic acid
Properties: White to brown crystalline powder, discoloured in air. Density 1.54 g/cm3. Melting point approx. 200°C (decomposition). Soluble in 50 parts water; soluble in ethanol and ether.


Botanical source: Found in the leaves of Stenoloma chusanum (L.) Ching, a plant of the family Lepidopteridae, and in the leaves of Ilex chi-nensis Sims, a plant of the family Holly.

Pharmacological efficacy: This product has antibacterial effects, in vitro tests on Pseudomonas aeruginosa, Escherichia coli, S. typhi, S. dysenteriae, Bacillus alkali, Bacillus subtilis and Staphylococcus aureus have different degrees of inhibition. It also has an expectorant and asthma calming effect. It is used clinically for the treatment of chronic bronchitis.





FAQ of Protocatechuic Acid



Q1: Why should I choose your company?
A: We are integrated with industry and tradeWe have our own factory,all products are produced in the factoryquality safety is guaranteed;We have a professional R&D team,production teamsales team and after-sales teamthe whole process for your shopping escort.

Q2: How does your factory make sure the product quality?
A: 1. We will check the samples randomly.
2. Ensure the quality and storage safety of each batch of products
3. We will make a final inspection before shipment to avoid any problems.

Q3: Can I get some free sample?
A: We are happy to provide samples free of charge,you only need to pay for the shippingcostPleaseconsult customer service for details.

Q4: Is there any discount?
A: Yes,some products are being discountedWe have a large number ofcoupons and limited time discounts waiting for you to receive,you can contact oun customer service if you have any needs.

Q5: What's your minimum quantity?How to place order online?
A: Different products have different MOQplease consult customer service for details.You can clickstartorder to place your order,or click send Inquiry/chat to contact our customer service for details.

Q6: What is the payment term?
A: Payment canbedonebyTradeAssuranceT/TL/CCredit Card and more.Please consult customer service for details.

Q7: What is the delivery time/method?
A: We usually ship the goods within 1-7 working days after you make the paymentWe can express by door to doorby airby sea,you can also choose your freight forwarder.

Q8: When can i get the quotation ?
A: We usually make an offer within 24 hours after receiving your inquiry.lf it's an urgent order,you can call us or mention it in the subject line of your email so we can give priority to reply it.

Q9: Can you develop a new product for us?
A: Yes,we canWehaveindependent R&D departmentwho is able to update the procedure parameters ofour main products and develop the procedure of new productFor more information,please contact us directly.

Q10: Do you provide after-sales service?
A: We provide 7*24h serviceWe have a professional after-sales team to solve your problems,you are welcome to place an order.




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