Sulforaphane
Broccoli Seed Sulforaphane Powder 1%
Active SFN 1.0% · CAS 4478-93-7
MOQ: 1 kg | HPLC Tested
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Formulation Science & Quality Control
Biochemical Divergence: Glucoraphanin Precursors vs. Free Sulforaphane
A rigorous breakdown for brand developers, compliance officers, and procurement directors evaluating dietary supplements, clinical nutraceuticals, and clean-label dermo-cosmetics.
The Enzymatic Mechanism: Myrosinase Hydrolysis Kinetics
Sulforaphane [1-isothiocyanato-4-(methylsulfinyl)butane, CAS 4478-93-7] does not exist naturally in substantial quantities inside intact brassica cellular tissue. Rather, it is biosynthesized from its glucosinolate precursor, Glucoraphanin (Sulforaphane Glucosinolate, SGS), via a stoichiometric cleavage reaction catalyzed by the heat-labile enzyme Myrosinase (thioglucoside glucohydrolase, EC 3.2.1.147). In the plant matrix, the substrate and the enzyme reside in compartmentalized intracellular domains—vacuolar spaces and myrosin cells, respectively. When plant tissue undergoes mechanical mastication or industrial milling in an aqueous ambient environment, cellular integrity is breached, immediately triggering the hydrolysis cascade.
During conventional high-temperature extraction (temperatures exceeding 55°C), the indigenous endogenous myrosinase protein is rapidly denatured. Without active myrosinase, ingested Glucoraphanin depends entirely on human intestinal microflora for cleavage, exhibiting a conversion rate often lower than 10%–15%. At Gavra Bio-Tech Co.,Ltd., we utilize proprietary temperature-controlled aqueous extraction combined with membrane chromatography to yield two distinct categories of ingredients: high-stability Glucoraphanin precursor powders engineered for dual-chamber delivery, and stabilized free Sulforaphane complexes (microencapsulated with pharma-grade beta-cyclodextrin to avert rapid degradation into non-functional sulfides).
Glucoraphanin (SGS) Powder
- Molecular Form: Water-soluble glucosinolate sodium/potassium salt.
- Physical Stability: Extremely high thermal and oxidative stability. Ideal for shelf lives up to 36 months.
- Recommended Formats: Tablets, dietary capsules, functional drink blends, sports recovery sachets.
- Assay Verification: Reversed-phase HPLC utilizing certified USP reference standards.
Free Sulforaphane Powder (Active SFN)
- Molecular Form: Volatile organosulfur isothiocyanate compound.
- Physical Stability: Highly sensitive to humidity and heat; requires inclusion complexation.
- Recommended Formats: Enteric-coated capsules, lyophilized cosmetic serums, dermal repair topical balms.
- Assay Verification: Waters LC-MS molecular weight confirmation (m/z 177.03) + HPLC-DAD.
Recommended Botanical Grades & Active Formulations
Certified purity profiles manufactured for contract supplement brands, research labs, and skincare producers.
All Plant Extracts
Glucoraphanin
Broccoli Seed Extract 10%–13% SGS
Glucoraphanin > 10%
MOQ: 1 kg | Ultra-Stable
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High-Potency
Purified Active Sulforaphane 98%
HPLC Purity ≥ 98.0%
MOQ: 100 g | Cold Chain
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OEM Finished
Sulforaphane + Myrosinase Complex
Synergistic Bioavailability
MOQ: 10,000 Units (Capsules)
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Microencapsulated
Cyclodextrin-Bound Sulforaphane 5%
Controlled Degradation-Resistant
MOQ: 1 kg | Drum Packing
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Quality Benchmarks
Broccoli Seed Sulforaphane Analytical Release Criteria
Comprehensive release specifications tested in our in-house Waters LC-MS and Agilent HPLC laboratories.
| Parameter | Glucoraphanin 10% Standard | Free Sulforaphane 1% Food | Microencapsulated SFN 5% | Test Method / Equipment |
|---|---|---|---|---|
| Active Marker Assay | ≥ 10.0% Glucoraphanin | ≥ 1.00% Sulforaphane | ≥ 5.0% Sulforaphane | Waters RP-HPLC / UV-Vis |
| Physical Appearance | Fine Light Yellowish Powder | Light Yellow to Brown Powder | Off-White Free-Flowing Powder | Visual & Organoleptic |
| Loss on Drying | ≤ 5.0% | ≤ 5.0% | ≤ 4.0% | USP <731> Infrared Moisture |
| Total Heavy Metals (Pb, As, Cd, Hg) | ≤ 10.0 ppm (Pb ≤ 2ppm, As ≤ 1ppm) | ≤ 10.0 ppm | ≤ 5.0 ppm | ICP-MS Standard Protocol |
| Total Aerobic Microbial Count | ≤ 1,000 CFU/g | ≤ 1,000 CFU/g | ≤ 1,000 CFU/g | USP <2021> Microbial Enumeration |
| Yeast and Molds | ≤ 100 CFU/g | ≤ 100 CFU/g | ≤ 100 CFU/g | USP <2021> Microbial Enumeration |
| E. Coli & Salmonella | Negative / 10g | Negative / 10g | Negative / 25g | USP <2022> Pathogen Detection |
| Solvent Residues | Meets USP / Ph. Eur. Limits | Aqueous extracted (Ethanol ≤0.5%) | Zero Toxic Organic Solvents | GC-MS Headspace Analysis |
*Full Third-party Batch Certificates of Analysis (COA), Heavy Metal ICP-MS reports, and ISO/HACCP documentation are supplied with each dispatch.
Strategic Sourcing Foresight
Procurement & Technological Evolution in Sulforaphane Actives (2025–2030)
Market intelligence derived from global enterprise buying patterns across North America, Europe, and Asia-Pacific nutraceutical sectors.
01
Transition to Exogenous Myrosinase Stabilization
Historically, supplement manufacturers formulated basic broccoli seed powders, relying naively on the consumer's colon microbiome to convert Glucoraphanin into bioactive Sulforaphane. Clinical trials from Johns Hopkins and European research institutes have confirmed that up to 30% of human populations lack sufficient microbial thioglucosidase enzymes. The global procurement vector is shifting toward dual-action co-formulations where verified, heat-stabilized Myrosinase enzyme is compounded alongside standardized glucoraphanin, guaranteeing repeatable plasma sulforaphane concentrations.
02
Anti-Aging & Cellular Autophagy Positioning
Sulforaphane is no longer categorized merely as a generic dietary antioxidant; it is recognized as nature's most potent activator of the Nrf2-ARE (Antioxidant Response Element) pathway and an epigenetic modulator capable of down-regulating HDAC (histone deacetylase). Forward-thinking supplement brands are bundling Broccoli Seed Sulforaphane Powder alongside Longevity actives such as Nicotinamide Mononucleotide (NMN), Resveratrol, and Cycloastragenol to target cellular senescence, DNA repair, and mitochondrial detoxification.
03
Clean-Label Cosmetic Dermatology Infiltration
Topical skin health is observing unprecedented growth in sulforaphane integration. With peer-reviewed confirmation of sulforaphane's ability to activate phase II cytoprotective enzymes against UV-induced erythema, photodamage, and pollution-induced lipid peroxidation, high-end cosmetic chemists are formulating deodorized, purified broccoli extract into barrier-defense creams, daily anti-pollution serums, and post-procedure dermaceutical emulsions.
Enterprise Supply Chain Advantage
Direct Factory Scale: From 500-Acre Cultivation to 8,000 m² GMP Workshop
Established in 2021 in Henan, China, Gavra Bio-Tech Co.,Ltd. operates as a technology-driven manufacturing partner specializing in the global export of high-potency plant extracts, cosmetic active raw materials, and precision health ingredients. We bridge the critical gap between agricultural traceability and pharmaceutical purity.
Our dedicated agricultural footprint includes 500 acres of experimental plant cultivation fields, where brassica varietals are bred and monitored for exceptionally high glucoraphanin seed yields without agricultural chemical runoff.
- 8,000 m² GMP-Standard Workshop: Outfitted with 3 industrial-grade automated extraction, continuous vacuum distillation, rectification, and high-efficiency column chromatography lines.
- 150+ Advanced Production & Testing Units: Ensuring total batch reproducibility from 1 kg sample requests to full 25-ton annual supply agreements.
- Rapid Response Protocol: In-house technical sales engineers with an average response time ≤ 2 hours and an industry-leading 99.09% response rate.
- Audited Reorder Confidence: An verified reorder rate of 19% across over 40 export destination countries.
0Acres Cultivation Base
0GMP Standard Area
0Equipment Sets
0Specialized Production Lines
0Inquiry Response Rate
≤ 2hAverage Technical Response
Inspection & Verification Rigor
International-Standard Quality Control
We eliminate supply risk through empirical analytical chemistry. Our in-house Analysis and Testing Center directly operates imported analytical instruments to certify physical, chemical, and chromatographic compliance before any lot receives release clearance.
Waters LC-MS (USA)
Precise molecular identification, structural confirmation, and targeted trace impurity characterization for active isothiocyanates.
8453 UV-Vis Spectrophotometer
Rapid photometric quantitative assay verification, total phenolic assessment, and active enzymatic kinetics tracking.
Swiss HPTLC Scanner
High-performance thin-layer chromatographic botanical fingerprinting to eliminate adulteration and confirm true Brassica oleracea origin.
Enterprise Buyer FAQ
Frequently Asked Technical & Sourcing Questions
Direct answers to technical queries, formulation hurdles, and logistics parameters commonly evaluated by corporate procurement teams.
What is the definitive shelf life and thermal stability profile of Broccoli Seed Sulforaphane Powder?
The stability behavior depends fundamentally on the biochemical state:
1. Glucoraphanin Precursor Powder (1%–20%): Highly stable under ambient temperatures (below 25°C in airtight containers). Exhibits less than 2.5% assay loss over 24 to 36 months.
2. Free Active Sulforaphane Powder (0.5%–1%): Free isothiocyanates are heat-labile and susceptible to oxidative cleavage. When stabilized using our beta-cyclodextrin microencapsulation matrix, it remains stable for 24 months stored sealed under cool conditions (4°C–10°C is optimal).
3. Pure Sulforaphane (98%): Must be transported and maintained in frozen cold-chain conditions (-20°C).
1. Glucoraphanin Precursor Powder (1%–20%): Highly stable under ambient temperatures (below 25°C in airtight containers). Exhibits less than 2.5% assay loss over 24 to 36 months.
2. Free Active Sulforaphane Powder (0.5%–1%): Free isothiocyanates are heat-labile and susceptible to oxidative cleavage. When stabilized using our beta-cyclodextrin microencapsulation matrix, it remains stable for 24 months stored sealed under cool conditions (4°C–10°C is optimal).
3. Pure Sulforaphane (98%): Must be transported and maintained in frozen cold-chain conditions (-20°C).
How do you test and distinguish Glucoraphanin from Sulforaphane on the COA?
Our Analysis and Testing Center employs high-performance liquid chromatography (HPLC) equipped with a diode array detector (DAD) and verified by Waters LC-MS. Glucoraphanin is quantified directly against certified USP Glucoraphanin potassium salt reference standards using an ion-pairing or hydrophilic interaction chromatography column. Sulforaphane is separated on an isocratic C18 reverse-phase column at 254 nm. We do not use non-specific UV spectrophotometric shortcuts that misreport total glucosinolates as true sulforaphane.
What is the Minimum Order Quantity (MOQ) and sample evaluation protocol?
Our standard commercial MOQ for Broccoli Seed Sulforaphane Powder is 1 kg, catering to pilot formulation, R&D batch validation, and clinical trials. For enterprise contract packaging, we pack in 25 kg fiber drums with double-lined pharmaceutical-grade polyethylene interior bags. Free testing samples (20g–50g) are available to qualified institutional and industrial buyers along with batch-specific analytical COAs.
Can Gavra Bio-Tech manufacture customized OEM finished dosage forms?
Yes. In addition to wholesale bulk powder supply, our 8,000 m² GMP facility produces customized private-label finished products, including enteric-coated capsules, dual-phase DRcaps (protecting active myrosinase and glucoraphanin from stomach acid), softgel suspensions, and clean-label functional drink blend sachets. Packaging solutions include HDPE bottles, blister packs, and multi-serve stand-up pouches.
What are the commercial dispatch times and logistics capabilities?
Regular standardized stock (1% Sulforaphane, 10% Glucoraphanin) is dispatched within 3 to 5 business days from receipt of payment. As an official SVIP contract account holder with international express couriers FedEx and DHL, we provide expedited 4–6 day air delivery worldwide with cold-chain gel pack options. Full commercial freight methods include FOB, CIF, CFR, FCA, CIP, DDP, and air/sea consolidated cargo handling.
Enterprise Procurement Terms
Seamless International Trade & Compliance
Structured B2B payment terms, customs clearance support, and rapid freight dispatch.
Export Regions
North America (USA, Canada)European UnionSoutheast AsiaSouth AmericaMiddle EastChina
Payment Framework
T/T Wire TransferLetter of Credit (L/C)Credit CardWestern UnionUSD / EUR / CNY
Incoterms Supported
FOBCIFCFREXWDDP (Door to Door)DDUExpress Air
Dispatch & Sample Speed
Evaluation samples ship within 24–48 hours. Factory stock dispatch completed within 3–5 working days with real-time temperature-monitored tracking.
Direct Factory Quotation
Request Batch COA, Free Samples & Bulk Pricing
Communicate directly with senior Gavra Bio-Tech sales engineers. Receive technical specifications, chromatographic test traces, and volume discounts within 2 hours.
[email protected]Technical Sourcing Managers
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Judy YuanPlant Extracts & SFN Active
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Rebecca MiCosmetic Ingredients & Actives
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Angela LiuFood & Nutraceutical Grade
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Juliet WangOEM Capsules & Contract Supply
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