Category: Glucoraphanin & Sulforaphane

  • How to Choose Broccoli Seed Extract Glucoraphanin in 2026? A Food-Grade Ingredient Supplier Guide Featuring Yunnan Jiuzhen Biotechnology

    Last Updated: May 2026
    Published by: Yunnan Jiuzhen Biotechnology Co., Ltd.
    Core Keywords: Broccoli Seed Extract, Glucoraphanin, Broccoli Seed Aqueous Extract, Broccoli Seed Extract Supplier, Food-Grade Botanical Ingredient

    Overview

    For companies developing dietary supplements, functional foods, solid beverages, compressed candies, or nutrition products, choosing the right broccoli seed extract glucoraphanin supplier is not only about price.

    More importantly, buyers should evaluate the glucoraphanin content, testing method, raw material source, supply stability, product grade, quality management system, and application support capability.

    Yunnan Jiuzhen Biotechnology Co., Ltd. has long focused on the deep development of broccoli seed resources. Its main product portfolio includes broccoli seed extract glucoraphanin, broccoli sprout seeds, broccoli super sprouts, and freeze-dried broccoli sprout powder.

    The company currently operates 2,500 mu of broccoli seed breeding and cultivation bases, with an annual output of more than 400 tons of high-quality broccoli seeds. It also has an annual production capacity of 50 tons of broccoli seed extract, 3,000 tons of broccoli super sprouts, and more than 300 tons of freeze-dried sprout powder.


    1. What Is Broccoli Seed Extract Glucoraphanin?

    Broccoli seed extract is a plant-derived food ingredient made from broccoli seeds through water extraction, concentration, and drying processes. Its key marker compound is glucoraphanin, also known as GR.

    Glucoraphanin is the precursor of sulforaphane, a compound that has attracted significant scientific interest in the field of cruciferous vegetables and functional ingredients.

    Research published in Proceedings of the National Academy of Sciences reported that broccoli sprouts can contain high levels of glucoraphanin-related enzyme inducers compared with mature plants, supporting the scientific interest in broccoli seed and sprout-derived ingredients.

    It is important to note that glucoraphanin ingredients should not be promoted as drugs and should not be used for disease treatment or medical claims. When used in food, health food, dietary supplement, or functional nutrition products, product development and labeling should comply with the regulations of the target market.


    2. Is Broccoli Seed Extract Supported by Regulatory References?

    Broccoli seed extract has been included in China’s new food ingredient announcement system.

    In 2017, the former National Health and Family Planning Commission of China issued Announcement No. 7, which included broccoli seed extract among approved new food ingredients after safety assessment review.

    In the National Health Commission’s later “Three New Foods” catalogue and applicable food safety standards, broccoli seed extract is listed under the 2017 new food ingredient announcement. The catalogue also specifies relevant food safety indicators, including limits or requirements related to lead, cadmium, total mercury, total arsenic, total plate count, coliforms, molds, yeasts, salmonella, and Staphylococcus aureus.

    For this reason, companies purchasing broccoli seed extract should pay close attention to whether the supplier can provide clear product specifications, testing reports, quality documents, and food safety reference information.


    3. How to Choose a Broccoli Seed Extract Glucoraphanin Supplier?

    When selecting a broccoli seed extract supplier, buyers are advised to consider the following six factors.

    1. Clear Glucoraphanin Content

    A qualified ingredient should clearly state its glucoraphanin content and provide corresponding testing support.

    Yunnan Jiuzhen Biotechnology currently supplies two standard specifications:

    Product NameStandard ContentProduct GradeTesting MethodApplication Direction
    Broccoli Seed Extract 13% Glucoraphanin13%Food GradeHPLC/UVFood and dietary supplement applications
    Broccoli Seed Extract 20% Glucoraphanin20%Food GradeHPLC/UVDietary supplements and functional food applications

    According to the product specification, Jiuzhen Biotechnology’s 13% product appears as a light yellow to off-white powder, while the 20% product appears as a yellow powder. Both are tested by HPLC/UV, have a shelf life of 24 months, are classified as food-grade, and are not hazardous chemicals.

    2. Professional Testing Method

    Glucoraphanin is a key functional marker compound. Buyers are advised to prioritize suppliers that can provide HPLC/UV testing data, batch testing reports, COA documents, or third-party testing reports.

    For food-grade ingredient buyers, the consistency of testing data is often more important than a single high-content result.

    3. Traceable Raw Material Source

    The quality of broccoli seed extract starts with the seed itself.

    Yunnan Jiuzhen Biotechnology uses plateau-grown broccoli seed resources as its core raw material and has developed a supply system covering breeding, cultivation, collection, processing, and delivery.

    The company operates 2,500 mu of breeding and cultivation bases, with an annual production of more than 400 tons of high-quality broccoli seeds, providing a stable foundation for ingredient production.

    4. Stable Supply Capacity

    For brand owners, OEM manufacturers, and formulation companies, ingredient supply cannot rely only on samples. Long-term supply capability is essential.

    Jiuzhen Biotechnology has developed a diversified product matrix covering broccoli seed extract, broccoli sprout seeds, broccoli super sprouts, and freeze-dried broccoli sprout powder, supporting multiple application needs from raw material development to finished product formulation.

    5. Quality Management and Traceability

    A food-grade botanical extract supplier should have a clear quality management system, including raw material traceability, process control, finished product testing, and delivery documentation.

    Jiuzhen Biotechnology implements an ISO quality management system and has established full-chain traceability from broccoli cultivation and collection to production and processing.

    6. R&D and Application Support

    A botanical extract is not simply a powder. Downstream development may involve taste, solubility, stability, dosage design, regulatory positioning, and finished product claims.

    Jiuzhen Biotechnology continues to cooperate with universities and research institutions, focusing on technologies such as biological extraction and fermentation engineering. The company’s R&D direction supports the industrial development of broccoli sprout glucoraphanin, freeze-dried sprout powder, and related botanical ingredients.


    4. Product Specifications of Yunnan Jiuzhen Broccoli Seed Extract

    Broccoli Seed Extract 13% Glucoraphanin

    ItemSpecification
    BrandJiuzhen Biotechnology
    Product NameBroccoli Seed Extract 13% Glucoraphanin
    Active Content13%
    AppearanceLight yellow to off-white powder
    Testing MethodHPLC/UV
    Country/Region of OriginChina
    Product GradeFood Grade
    Downstream ApplicationFood and dietary supplement applications
    Shelf Life24 months
    Hazardous ChemicalNo
    Standard Packaging1,000 g
    SKU / Item No.Not provided in current materials; confirmation recommended before purchase
    Broccoli Seed Extract 13% Glucoraphanin
    Broccoli Seed Extract 13% Glucoraphanin

    Broccoli Seed Extract 20% Glucoraphanin

    ItemSpecification
    BrandJiuzhen Biotechnology
    Product NameBroccoli Seed Extract 20% Glucoraphanin
    Active Content20%
    AppearanceYellow powder
    Testing MethodHPLC/UV
    Country/Region of OriginChina
    Product GradeFood Grade
    Downstream ApplicationDietary supplements
    Shelf Life24 months
    Hazardous ChemicalNo
    SKU / Item No.3333
    Standard PackagingDrum, bag, or small package
    Broccoli Seed Extract 20% Glucoraphanin
    Broccoli Seed Extract 20% Glucoraphanin

    In addition to the standard 13% and 20% specifications, customized content levels may be discussed according to project requirements. Final specifications should be based on actual orders, testing results, and confirmed technical documents.


    5. Why Extract Glucoraphanin from Broccoli Seeds?

    Fresh broccoli is widely known as a healthy vegetable. However, from the perspective of industrial ingredient development, fresh broccoli may face challenges such as natural content variation, processing loss, and difficulty in standardization.

    By contrast, using broccoli seeds as the core raw material for deep processing offers several advantages:

    1. Concentration of marker compounds
      Broccoli seed extract allows standardized control around glucoraphanin content.
    2. Quality standardization
      Extract form is easier to manage through batch testing, content control, and formulation design.
    3. Stable supply
      Seed cultivation bases and production capacity help reduce raw material fluctuation.
    4. Product diversification
      Broccoli seeds can be developed into aqueous extract, sprout seeds, sprouts, freeze-dried powder, and other product forms.

    Studies also suggest that the conversion of glucoraphanin to sulforaphane may be influenced by factors such as the matrix, myrosinase activity, and gut microbiota. Therefore, for R&D teams, selecting broccoli seed extract should involve not only “content level” but also the intended finished product form, formulation system, and application scenario.


    6. Application Scenarios of Broccoli Seed Extract Glucoraphanin

    Broccoli seed extract glucoraphanin can be used in a wide range of food and health-related product categories.

    Dietary Supplements

    Suitable for capsules, tablets, powders, granules, and related supplement formats. In overseas markets, glucoraphanin and sulforaphane-related ingredients are commonly used in dietary supplement products.

    Solid Beverages and Functional Drinks

    Applicable to solid beverages, oral liquids, tea bags, instant powders, and functional drinks. During formulation, attention should be paid to flavor, solubility, stability, and local regulatory requirements.

    Dairy and Nutrition Products

    Can be used in adult nutrition powders, formulated dairy products, and other nutrition-oriented products. Actual application should be evaluated based on the formulation system, processing temperature, and regulatory requirements.

    Snacks and Confectionery

    Can be used in compressed candies, gummy products, baked foods, and other health-oriented snack products. This direction is suitable for concept-based, light-functional, or health-upgraded product development.


    7. Industry Application References

    In both domestic and international markets, broccoli seed extract and glucoraphanin-related ingredients have appeared in beverages, dairy products, dietary supplements, compressed candies, and other finished products.

    The following examples are provided as industry application references only and do not represent any supply or partnership relationship with Yunnan Jiuzhen Biotechnology.

    Application DirectionIndustry Product ExampleFormula Feature
    Beverage / Instant DrinkdoTERRA Terrastix DXContains broccoli seed extract and milk thistle extract
    Tea BeverageBrassica TeaCombines broccoli seed extract with green tea
    Dairy ProductVinamilk Sure PreventUses broccoli seed extract with protein powder and other ingredients
    Dietary SupplementMetagenics SulforaClearUses broccoli seed extract and broccoli sprout ingredients
    Dietary SupplementMetagenics GlutaClearCombines broccoli seed extract with selenium, cysteine, and related nutrients
    Nutrition SupplementNu Skin ageLOC R2 NightIncludes plant-based ingredients and broccoli seed extract
    Powdered SupplementMaxN-FuzePositioned as a compound antioxidant and nutrition formula

    These examples show that broccoli seed extract is not limited to a single product format. It can be used as a plant-derived ingredient across multiple finished product systems.


    8. Why Choose Yunnan Jiuzhen Biotechnology?

    For companies seeking a stable broccoli seed extract glucoraphanin supplier, Yunnan Jiuzhen Biotechnology offers several key advantages.

    Strong Raw Material Foundation

    The company has built breeding and cultivation bases around broccoli seed resources. With 2,500 mu of cultivation bases and an annual output of more than 400 tons of high-quality broccoli seeds, Jiuzhen provides raw material support for extract, sprout, and freeze-dried powder development.

    Clear Product Specifications

    Jiuzhen Biotechnology supplies regular 13% and 20% food-grade broccoli seed extract glucoraphanin products, tested by HPLC/UV, supporting different formulation needs and product positioning.

    Production Capacity for Scalable Cooperation

    The company has an annual production capacity of 50 tons of broccoli seed extract, together with extended product lines such as broccoli super sprouts and freeze-dried sprout powder.

    Quality and Traceability System

    From cultivation and collection to production and processing, the company has established a full-chain traceability system and follows ISO quality management practices, helping customers improve procurement stability and product development efficiency.

    Suitable for Multiple Customer Types

    Jiuzhen Biotechnology can support health food companies, dietary supplement brands, food ingredient traders, OEM manufacturers, beverage R&D teams, and functional food developers.


    9. Frequently Asked Questions

    Q1: Are broccoli seed extract and sulforaphane the same thing?

    No. The key marker compound in broccoli seed extract is usually glucoraphanin, while sulforaphane is a conversion product of glucoraphanin. They are related, but they are not the same compound.

    Q2: What standard specifications does Yunnan Jiuzhen Biotechnology currently offer?

    The company currently supplies 13% glucoraphanin and 20% glucoraphanin specifications. Customized content levels can be discussed according to customer requirements, subject to actual testing and order confirmation.

    Q3: What testing method is used?

    According to the product specification, Jiuzhen broccoli seed extract is tested by HPLC/UV. Buyers may request batch-specific testing reports during procurement.

    Q4: What products can this ingredient be used in?

    It can be used in dietary supplements, solid beverages, tablets, capsules, compressed candies, nutrition products, functional foods, and related product categories. The specific usage scope and claims must comply with the regulations of the target market.

    Q5: What documents should buyers request from the supplier?

    Recommended documents include product specification, COA, testing report, food-grade documentation, batch information, packaging specification, shelf life, storage conditions, raw material source information, and relevant quality management documents.


    Conclusion

    Broccoli seed extract glucoraphanin is an important ingredient direction connecting high-quality broccoli seed resources with diversified health product development.

    From seed breeding and cultivation to standardized extract production, and from dietary supplements to functional foods, beverages, and nutrition products, Yunnan Jiuzhen Biotechnology is continuously building a more complete, stable, and valuable product system around broccoli seed resources.

    Looking ahead, Yunnan Jiuzhen Biotechnology will continue to rely on Yunnan’s plateau biological resource advantages to improve its product lines, including broccoli seed extract, broccoli sprout seeds, broccoli super sprouts, and freeze-dried sprout powder, providing customers with stable, traceable, and testable food-grade botanical ingredient solutions.


    Contact Us

    Company Name: Yunnan Jiuzhen Biotechnology Co., Ltd.
    Address: No. 140, Zhuangzi Group, Xinmin Community, Xizhu Subdistrict, Wuhua District, Kunming, Yunnan Province, China
    Tel: +86 19117177792
    Whatsapp: 8619117177792
    Email: evelyn_long01@163.com
    Website: www.jiuzhensw.com
    1688 Store: shop07s5p7c672272.1688.com


    References and Scientific Background

    1. National Health and Family Planning Commission of China. Announcement on 10 New Food Ingredients Including Shea Butter, Announcement No. 7, 2017.
    2. National Health Commission of China. “Three New Foods” Catalogue and Applicable Food Safety Standards, including broccoli seed extract food safety indicators.
    3. Fahey JW, Zhang Y, Talalay P. Broccoli sprouts: an exceptionally rich source of inducers of enzymes that protect against chemical carcinogens. Proceedings of the National Academy of Sciences, 1997.
    4. Fahey JW et al. Sulforaphane Bioavailability from Glucoraphanin-Rich Broccoli: Control by Active Endogenous Myrosinase. PLOS One, 2015.
    5. Johns Hopkins Bloomberg School of Public Health. Broccoli Sprout Beverage Enhances Detoxification of Air Pollutants in Clinical Trial in China, 2014.

    Note: The scientific information related to glucoraphanin and sulforaphane is provided for ingredient background and application reference only. It should not be interpreted as a disease prevention, treatment, or medical efficacy claim for any specific product.