Product Overview
Sour Jujube Seed Powder from Jiuyuan Biotech is built on a different standard. Our seeds are sourced exclusively from certified organic farms nestled in the Qinba Mountains - a pristine ecological zone where clean air, mineral-rich soil, and distance from industrial pollution create the growing conditions that pharmacopoeia-grade Suanzaoren demands. No chemical pesticides, no synthetic fertilizers, no herbicides. Every seed matures under natural sunlight, from cultivation to harvest, in its most unadulterated state.
Processing is equally uncompromising. We employ advanced low-temperature cell-wall disruption technology to break down the seed's dense cellular structure without thermal degradation - preserving the full spectrum of heat-labile bioactives: jujubosides A and B, spinosin, swertisin, and the seed's native polysaccharide fraction. The result is a fine, pale powder of consistent color, free from additives, preservatives, and fillers of any kind.
The science behind Suanzaoren is well-established. Jujubosides modulate glutamatergic excitation; spinosin potentiates serotonin (5-HT1A) signaling - together, they address the anxious, "wired but tired" presentation that single-compound melatonin products routinely fail to resolve. For formulators building premium sleep, stress, or adaptogen products, this is the specification that holds up from bench to label claim.
Certificate of Analysis
| Item | Specification | Result | Method |
| Basic Product Information | |||
| Latin Name | Ziziphus jujuba Mill. | Conforms | / |
| Part of the Plant | Seed | Conforms | / |
| Marker Compounds | |||
| Assay | >10% | Conforms | HTLC |
| Organoleptic Data | |||
| Appearance | Fine Powder | Conforms | Sensory |
| Color | Light red | Conforms | Sensory |
| Odor | Characteristic | Conforms | Sensory |
| Process Data | |||
| Method of Processing | Extraction and concentration | / | / |
| Drying Method | Spraying drying | / | / |
| Physical Characteristics | |||
| Particle Size | 100% pass 80 mesh | 100% pass | AOAC973.03 |
| Moisture | ≤5.0% | 3.6% | GB/T5009.3 |
| Ash Content | ≤10.0% | 5.7% | CP2010 |
| Heavy Metals | |||
| Total Heavy Metals | <10ppm Max. | Conforms | GB 5009.74 |
| As | ≤0.5 ppm | 0. 11ppm | GB/T5009. 11 |
| Pb | ≤1.0 ppm | 0.31ppm | GB/T5009. 12 |
| Cd | ≤0.2 ppm | 0. 12ppm | GB/T5009. 15 |
| Hg | ≤0.05 ppm | 0.012ppm | GB/T5009. 17 |
| Microbiology | |||
| Total Plate Count | ≤10000 cfu/g | 1800cfu/g | GB/T4789.2 |
| Total Yeast & Mold | ≤200 cfu/g | 40cfu/g | GB/T4789. 15 |
| E.Coli | Negative/ 10g | Negative/ 10g | SN0169 |
| Salmonella | Negative/ 10g | Negative/ 10g | GB/T4789.4 |
| Shelf Life | 24 months under the conditions above and in its original packaging. | ||
| Storage | Store in a cool & dry place, keep away from strong light and heat. | ||

Mechanism of Action
Regulates the Nervous System: Jujubosides act on the central nervous system, controlling the balance of neurotransmitters to produce a calming and anxiolytic effect. They may work by influencing neurotransmitters, such as GABA (gamma-aminobutyric acid), thereby reducing neural excitability and facilitating the brain's transition into a state of relaxation.
Improves Sleep Structure: The effective compounds in the seeds help to extend slow-wave sleep (deep sleep) duration and reduce nighttime awakenings, thereby improving overall sleep quality.
Antioxidant and Anti-inflammatory: Flavonoids possess powerful antioxidant and anti-inflammatory properties, which help protect nerve cells, combat oxidative stress, and further support the health of the nervous system.
Active Compounds
The pharmacological activity of Suanzaoren is not attributable to a single compound - it emerges from the synergistic interaction of three structurally distinct compound classes, each with documented CNS-relevant mechanisms. This multi-target profile is precisely what makes it a more architecturally sophisticated sleep ingredient than single-compound alternatives.
Jujubosides A & B (Triterpenoid Saponins)
The primary marker compounds of Suanzaoren and the most extensively studied bioactive fraction. Jujubosides are dammarane-type triterpenoid saponins. Their principal mechanism of CNS action involves inhibition of glutamate-mediated neuronal excitation - specifically, jujuboside A has been shown to antagonize the excitatory effects of glutamate on hippocampal neurons, reducing neuronal hyperexcitability without the sedative overhang associated with direct GABA receptor agonists.
Jujuboside A also modulates calmodulin (CaM) activity - calmodulin is a calcium-sensing protein involved in neurotransmitter release and neuronal signal transduction. By inhibiting CaM-dependent pathways, jujuboside A exerts a broad dampening effect on excitatory neurotransmission. This mechanism is distinct from melatonin, valerian (valerenic acid / GABA-A modulation), and passionflower (chrysin / GABA-A modulation) - which is relevant for formulators building multi-ingredient sleep formulas where mechanism diversity reduces the risk of pharmacological redundancy.
Spinosin (Flavone C-Glycoside)
A C-glycosylated flavone unique to Ziziphus species. Spinosin's sedative and anxiolytic activity is mediated through potentiation of serotonin (5-HT1A) receptor signaling and modulation of the dopaminergic system. Its mechanism is complementary to jujuboside A - while jujuboside A acts primarily on excitatory glutamatergic transmission, spinosin acts on the serotonergic and dopaminergic pathways that regulate mood, anxiety, and sleep onset latency.
Spinosin is also reported to enhance the sedative effect of pentobarbital in animal models, suggesting a synergistic interaction with GABAergic pathways that may amplify the overall CNS-calming effect of the whole seed extract.
Swertisin
A structurally related flavone C-glycoside co-occurring with spinosin in the seed. Swertisin has demonstrated anxiolytic activity in preclinical models, with a mechanism that appears to involve partial agonism at GABA-A receptors - providing a third, distinct CNS mechanism within the same ingredient.
Zizyphusine (Isoquinoline Alkaloid)
A cyclopeptide alkaloid present in the seed at lower concentrations. Alkaloids of this class have demonstrated CNS-depressant activity in animal models. Zizyphusine contributes to the overall sedative profile of the whole seed and is present in whole-seed powder grades but may be partially lost in aqueous extraction processes.
Fatty Acids
The seed contains approximately 30–35% fixed oil by dry weight, with oleic acid (C18:1) and linoleic acid (C18:2) as the dominant fatty acid components. While not the primary pharmacological drivers, these fatty acids contribute to the bioavailability of lipophilic constituents and provide a nutritional context for whole-seed powder positioning in food applications.
Compound Summary Table
|
Compound Class |
Key Compounds |
Primary CNS Mechanism |
Solubility |
|
Triterpenoid Saponins |
Jujuboside A, Jujuboside B |
Glutamate antagonism, CaM inhibition |
Water |
|
Flavone C-Glycosides |
Spinosin, Swertisin |
5-HT1A potentiation, GABA-A modulation |
Water |
|
Cyclopeptide Alkaloids |
Zizyphusine |
CNS depression |
Ethanol |
|
Fixed Oils |
Oleic acid, Linoleic acid |
Bioavailability enhancement |
Lipophilic |
Production Process
Our factory is equipped with advanced production equipment and standardized production processes to ensure the consistent quality of each batch of Organic Ziziphus Jujuba Seed Powder.
● Raw Material Screening: We strictly screen organic sour jujube seeds to ensure they are free of pesticide and chemical fertilizer residues.
● Low-Temperature Roasting and Milling: We use low-temperature roasting to maximize the preservation of the nutritional components and active substances of the seeds, followed by ultrafine pulverization.
● Fine Milling: Our unique milling process achieves an extremely fine powder, making it more easily absorbed by the human body.

Application Matrix
|
Industry Segment |
Typical Application |
Recommended Grade |
Suggested Use Level |
|
Dietary Supplements |
Sleep support capsules / tablets |
Grade C Standardized |
300–600 mg/serving |
|
Dietary Supplements |
Stress & anxiety formulas |
Grade C Standardized |
200–500 mg/serving |
|
Dietary Supplements |
TCM-inspired adaptogen blends |
Grade A Whole-Seed |
500 mg–1 g/serving |
|
Functional Beverages |
Calming teas, sleep drinks |
Grade B Aqueous Extract |
1–3% w/w |
|
Nootropics |
Cognitive calm / focus formulas |
Grade C Standardized |
200–400 mg/serving |
|
Functional Food |
Fortified cereals, sleep-support snack bars |
Grade A Whole-Seed |
2–5% w/w |
|
Cosmetics |
Anti-stress topicals, skin-calming serums |
Grade B Aqueous Extract |
0.5–2.0% w/w |
Suanzaoren pairs particularly well with L-theanine, magnesium glycinate, and ashwagandha (KSM-66) in multi-ingredient sleep and stress formulas. The mechanistic diversity of these combinations - glutamate antagonism, GABA-A modulation, HPA axis regulation, and alpha-wave promotion - provides a rationale for synergistic efficacy that is increasingly valued by sophisticated supplement brands positioning against single-compound melatonin products.
Comparison: Sour Jujube Seed Powder vs. Valerian Root vs. Passionflower Extract
Formulators building natural sleep and stress products routinely evaluate Suanzaoren against the two dominant Western botanical sleep ingredients. Here is a structured comparison across the parameters that matter at the formulation and regulatory level.
|
Parameter |
Sour Jujube Seed Powder (Jiuyuan) |
Valerian Root Extract |
Passionflower Extract |
|
Primary Bioactives |
Jujubosides A&B, spinosin, swertisin |
Valerenic acid, isovaleric acid, GABA |
Chrysin, vitexin, isovitexin |
|
Primary CNS Mechanism |
Glutamate antagonism + 5-HT1A potentiation |
GABA-A modulation, 5-HT5a partial agonism |
GABA-A modulation (chrysin) |
|
Traditional Use History |
2,000+ years (TCM, ChP-listed) |
2,000+ years (European, USP-listed) |
~400 years (European, USP-listed) |
|
Pharmacopoeia Listing |
Chinese Pharmacopoeia 2020 |
USP, EP, British Herbal Pharmacopoeia |
USP, EP |
|
Odor Profile |
Mild, neutral - formulation-friendly |
Strong, characteristic - can affect flavor |
Mild, floral |
|
Standardization |
Jujuboside A+B by HPLC |
Valerenic acid by HPLC |
Flavonoids by UV-Vis |
|
Organic Availability |
USDA + EU + CERES certified |
Available |
Available |
|
Market Positioning |
Premium; TCM-heritage; novel in West |
Established; mass-market |
Established; growing |
|
Regulatory Status (EU) |
Novel Food assessment may apply |
Traditional Herbal Registration (THR) |
Traditional Herbal Registration (THR) |
|
Mechanism Diversity |
High - 3 distinct CNS pathways |
Moderate - primarily GABAergic |
Moderate - primarily GABAergic |
Regulatory note for EU buyers: Ziziphus jujuba var. spinosa seed is not currently listed on the EU Novel Food Catalogue as an approved novel food ingredient. Buyers supplying the EU market should verify the regulatory status of Suanzaoren-containing finished products with their regulatory affairs team before commercialization. In the US, UK, and Australian markets, Suanzaoren has a longer history of use in dietary supplements and is generally treated as a conventional botanical ingredient.
Certifications
At JIUYUAN BIOTECH, product quality is our top priority. We achieve this through a comprehensive and robust quality control system that meticulously manages every stage of production with scientific rigor. By strictly adhering to operational protocols, we ensure the traceability of every batch of our products.
Shaanxi Jiuyuan Bio currently holds numerous domestic and international industry certifications and qualifications, ensuring our operations in production, R&D, and sales consistently meet demanding standards. Our key certifications include:
● International Standards
IS09001 Quality Management System Certification
IS022000 Food Safety Management System Certification
HACCP (Hazard Analysis and Critical Control Points) System Certification
FSSC22000 Global Standard for Food Safety
● Production & Regulatory Compliance
cGMP Dynamic Drug Production Management Standard Certification
SC Food Production License
Health Food Raw Material Production License
FDA Registration
● Organic & Special Markets
EU/USDA ORGANIC Certification
Kosher Certification
Halal Certification
With our advanced production facilities, a state-of-the-art testing and control center, and our complete quality control system, we consistently ensure the safety and stability of our products and services.

Why Choose Jiuyuan Biotech?
Founded: 2012, based in Xi'an at the northern foot of the Qinling Mountains.
Business Scope: A high-tech enterprise specializing in the R&D, production, and sales of plant extracts and fruit and vegetable powders.
Mission: Committed to providing high-quality products and services to the health food, food, and cosmetics industries, to lead China's plant extract sector.
● R&D and Quality Control:
Equipped with advanced testing equipment, including HPLC and UV spectrometers, for precise analysis of active ingredient content and purity.
A professional testing team provides detailed product analysis reports to ensure quality and safety.
● Supply Chain Management:
Maintains long-term, stable partnerships with local farmers.
Utilizes a contract farming and procurement model to guarantee a consistent supply of high-quality raw materials.
● Production and Warehousing:
Boasts comprehensive production facilities with advanced equipment and automated lines to meet large-volume demands.
Our robust warehousing system ensures optimal storage conditions, maintaining product quality and stability.

Logistics & Shipping
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Express Under 100kg, 3-5Days Door-to-door service easy to pick up the goods |
By Sea Over300kg, Around 30 Days Port-to-port service professional clearance broker needed |
By Air 100kg-1000kg, 5-7Days Airport-to-airport service professional clearance broker needed |
FAQ
Q1: What is the difference between sour jujube seed (Suanzaoren) and red jujube fruit (Dazao)?
These are two entirely different ingredients from the same plant species, with distinct phytochemical profiles and applications. Suanzaoren (酸枣仁) is the dried seed of Ziziphus jujuba var. spinosa - a thorny wild variety - and its primary applications are sleep support, anxiety reduction, and nervous system calming, driven by jujubosides and spinosin. Dazao (大枣) is the dried fruit of the cultivated Ziziphus jujuba Mill. - a different botanical variety - and is used primarily as a tonic ingredient for energy and digestive support, with a polysaccharide-dominant bioactive profile. They are not interchangeable in formulation, and a supplier offering "jujube powder" without specifying the plant part and variety is not providing a meaningful specification.
Q2: How does sour jujube seed powder work differently from melatonin?
Melatonin is a hormone that acts on MT1 and MT2 receptors to regulate circadian rhythm - it is most effective for sleep timing disorders (jet lag, shift work) but has limited efficacy for sleep maintenance or anxiety-driven insomnia. Jujubosides and spinosin act on glutamatergic and serotonergic pathways to reduce neuronal excitability and promote a calmer physiological state conducive to sleep onset and maintenance. This is a fundamentally different mechanism - one that addresses the anxious, "wired but tired" presentation that melatonin does not reliably resolve. For formulators building products for this consumer profile, Suanzaoren is a mechanistically more appropriate primary ingredient than melatonin.
Q3: Is sour jujube seed powder safe for long-term daily use?
Suanzaoren has a documented history of use in TCM spanning over two millennia, with a well-established safety profile at traditional dosing levels (typically 9–15 g of dried seed per day in decoction, equivalent to approximately 900–1,500 mg of a 10:1 extract). No significant adverse effects have been reported at these doses in the traditional use literature. As with all sedative botanicals, caution is appropriate when combining with pharmaceutical CNS depressants (benzodiazepines, barbiturates, antihistamines). Finished-product manufacturers should include standard advisory language for these interactions.
Q4: What is the recommended dose for a sleep supplement capsule?
For a jujuboside-standardized extract (Grade C, ≥ 2.0% jujubosides A+B), a typical dose range in commercial sleep supplements is 300–600 mg per serving, taken 30–60 minutes before sleep. For whole-seed powder (Grade A), the equivalent dose is higher due to the lower active compound concentration per gram. These are formulation reference ranges - your specific dose will depend on your target active compound delivery, the other ingredients in your formula, and your target market's regulatory framework for structure/function claims.
Q5: Can sour jujube seed powder be used in a beverage format?
Yes, with grade selection being the critical variable. Whole-seed powder (Grade A) has a significant lipid content that creates dispersibility challenges in aqueous beverage systems - it requires emulsification or encapsulation for a stable beverage application. Grade B aqueous extract is the preferred specification for functional beverage applications: it disperses readily in hot or cold water, has a mild flavor profile, and delivers the water-soluble jujuboside and spinosin fraction in a format optimized for liquid systems. Use levels of 1–3% w/w are typical for functional sleep or calming beverages.
Q6: How should I address the EU Novel Food status of Suanzaoren in my regulatory strategy?
The EU Novel Food Regulation (EU) 2015/2283 requires that food ingredients without a documented history of significant consumption in the EU before May 15, 1997 undergo a pre-market safety assessment before being placed on the EU market. Suanzaoren has a long history of use in TCM but limited documented use as a food ingredient in the EU prior to this date. Buyers targeting the EU market should consult with a regulatory affairs specialist to determine whether a Novel Food application is required for their specific product format and intended use level. We provide full ingredient documentation - including historical use records and phytochemical dossiers - to support your regulatory submission. For non-EU markets (US, UK, Australia, Canada), Suanzaoren is generally treated as a conventional botanical supplement ingredient.
Q7: Do you offer custom extraction ratios or standardization levels?
Yes. For key accounts with defined formulation requirements, we can produce custom extraction ratios (e.g., 5:1, 8:1, 20:1) and custom jujuboside or spinosin standardization levels, subject to minimum order quantities and lead time requirements. Custom specifications require a signed technical agreement and a minimum of two validation batches before commercial production. Contact our technical team with your target specification and intended application.
Q8: How do I request a sample or formal quotation?
Samples of 100–500 g are available at no charge for qualified B2B buyers who provide a company name, intended application, and target specification. Submit your request via our inquiry form at jiuyuanbio.com or contact our sales team directly. Formal quotations are issued within 1–2 business days of receiving your specification requirements.
Request a Sample or Commercial Quote
Jiuyuan Biotech supplies sour jujube seed powder to food manufacturers, supplement brands, and contract formulators across North America, Europe, and the Asia-Pacific region. Our technical team - not a generic sales inbox - handles every inquiry.
Email: info@jiuyuanbio.com
Website: www.jiuyuanbio.com
Request: Sample (500g–1kg) | Bulk Quote | CoA & Spec Sheet | Custom Carrier Ratio
Standard response time: within 1 business day. Please include your target application and annual volume estimate for the most relevant technical recommendation.
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