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Natural plant extracts, a pure choice for cosmetics and toiletries, a source of health for functional foods and beverages, and a reliable choice for pharmaceutical intermediates.
  • CAS 14197-60-5 Ginsenoside
    Panax Ginseng Extract Powder (20S)-Ginsenoside Rg3 CAS:14197-60-5

    (20S)-Ginsenoside Rg3 is a bioactive triterpene saponin renowned for its neuroprotective, anti-tumor, and cardioprotective properties. This natural compound has garnered significant attention in biomedical research and nutraceutical development due to its ability to modulate cellular signaling pathways and enhance metabolic health.

  • Pharmaceutical Grade Ginsenoside Rb1
    Ginsenoside Rb1 (1%-98% HPLC) – Premium Neuroprotective Compound from Panax Ginseng

    As a principal tetracyclic triterpenoid saponin in premium ginseng, Ginsenoside Rb1 exhibits proven neuroprotective, anti-diabetic, and cardiometabolic activities through modulation of BDNF signaling and AMPK pathways. Our vertically integrated production delivers 1%-98% HPLC-certified purity grades, empowering pharmaceutical innovations, cosmeceutical breakthroughs, and nutraceutical formulations.

  • High Purity Rg1 Powder
    Natural Plant Extract Ginsenoside Rg1 – USDA Organic Options

    Ginsenoside Rg1 is a bioactive triterpene saponin abundantly found in Panax ginseng and Panax notoginseng. Renowned for its multifaceted pharmacological properties, this natural compound has emerged as a focal point in biomedical research due to its significant neuroprotective, anti-inflammatory, and cardiovascular protective activities.

  • Bulk (20S)-Ginsenoside Rh2 Supplier
    Exclusive Pricing: Fermentation-Derived (20S)-Ginsenoside Rh2 for Functional Foods

    (20S)-Ginsenoside Rh2 is a bioactive metabolite derived from the root of Panax ginseng (red ginseng), belonging to the dammarane-type tetracyclic triterpenoid saponins 

  • 20(S)-Protopanaxadiol
    Premium 20(S)-Protopanaxadiol (CAS:30636-90-9) | ≥98% HPLC Purity | Ginsenoside Metabolite Reference Standard

    20(S)-Protopanaxadiol (CAS 30636-90-9) is a high-purity ginsenoside aglycone metabolite, rigorously validated by HPLC to ensure ≥98% quality. As the core bioactive component of Panax ginseng, it serves as an essential reference standard for pharmaceutical research, nutraceutical development, and metabolic studies. This compound demonstrates significant potential in modulating anti-inflammatory, neuroprotective, and anticancer pathways.

  • Bulk Protopanaxatriol Supplier
    20(S)-Protopanaxatriol CAS: 34080-08-5

    20(S)-Protopanaxatriol (PPT) is a high-purity aglycone metabolite derived from ginsenosides, isolated from Panax ginseng roots. As a key reference standard, it enables advanced research in oncology, neuroprotection, and metabolic regulation. With ≥98% HPLC-verified purity and batch-specific CoA, this compound meets pharmacopeial requirements for drug development and quality control.

  • High-Purity Cordyceps Extract supplier
    Cordyceps Militaris Extract (Cordycepin) CAS:73-03-0

    Cordycepin (3'-deoxyadenosine), a nucleoside analog from Cordyceps, demonstrates immunomodulatory, anti-tumor, and anti-metabolic syndrome effects. Our scalable production delivers 1%-99% HPLC-verified purity, supporting pharmaceutical R&D, high-end cosmetics, and sustainable agriculture. Request your custom-concentration solution today!

  • Pharma Grade Adenosine
    Pharmaceutical-Grade Adenosine: Antiarrhythmic Agent & Biochemical Intermediate

    Adenosine is a versatile nucleoside critical for energy metabolism and cardiovascular regulation. Our product offers 99%+ purity and is optimized for applications.

  • Cordycepin powder 1%-20%
    Premium Cordyceps Sinensis Powder 1%-20% Cordycepin | Natural, Brown Fine Powder | Drum Packaging

    A premium-grade natural extract derived from Cordyceps sinensis or Cordyceps militaris, rigorously standardized to deliver 1%-20% cordycepin potency. This fine brown powder is produced under strict quality controls, ensuring high bioavailability and compliance with  ISO 9001 certifications . Ideal for nutraceutical, functional food, and supplement formulations, it offers versatile applications in immune support and energy metabolism enhancement.

  • Cycloastragenol
    Premium Astragalus Extract - Cycloastragenol CAS:78574-94-4

    Cycloastragenol, a potent triterpenoid from Astragalus membranaceus, is clinically studied for telomerase activation, anti-aging, and immune modulation. Our vertically integrated process delivers HPLC-verified purity (50%-98%), backed by ISO-certified quality control. Ideal for nutraceuticals targeting cellular longevity, cosmeceuticals for skin resilience, and pharmaceutical R&D. Request your sample today!

  • CAS 83207-58-3 Astragaloside IV
    Astragaloside IV (≥ 98% HPLC) - Premium Astragalus membranaceus Extract for Telomerase Activation & Cellular Health

    98% HPLC-verified Astragaloside IV from sustainably sourced Astragalus roots. Clinically studied for telomerase activation, cellular rejuvenation & immune modulation

  • Cycloastragenol-6-O-β-D-glucoside
    High-Purity Cycloastragenol-6-O-β-D-glucoside (CAS 86764-12-7)

    Cycloastragenol-6-O-β-D-glucoside (CAS: 86764-12-7) is a high-activity triterpenoid saponin derived from Astragalus membranaceus, extensively utilized in pharmaceutical research and natural product development. With molecular formula C₃₆H₆₀O₁₀ (MW: 652.87), this compound exhibits reported bioactivities including diuretic and analgesic effects.

  • Calycosin-7-O-β-D-glucoside
    Bulk Calycosin-7-O-β-D-glucoside | Astragalus Extract

    Calycosin-7-O-β-D-glucoside (CAS: 20633-67-4) is a bioactive isoflavone glycoside primarily derived from Astragalus membranaceus roots, widely used in pharmaceutical research and nutraceutical development. With molecular formula C₂₂H₂₂O₁₀ (MW: 446.4), this compound demonstrates significant antioxidant and anti-inflammatory properties.

  • Bulk 8-Prenylnaringenin Supplier
    High-Purity 8-Prenylnaringenin (8-PN) from Hops Extract for Enhanced Muscle Health & Menopausal Relief

    Derived from hops (Humulus lupulus), 8-Prenylnaringenin (8-PN) is a potent phytoestrogen with selective estrogen receptor modulator (SERM) activity, offering superior efficacy compared to soy isoflavones for alleviating menopausal symptoms like hot flashes and promoting bone health while supporting muscle maintenance without exercise through Akt pathway regulation.

  • Bulk Xanthohumol Supplier
    Premium Xanthohumol from Hops Extract: High-Purity Bioactive Flavonoid for Health Innovations

    Sourced from Humulus lupulus L. (hops), our Xanthohumol is a potent prenylated flavonoid, renowned for its high bioactivity and role as the primary active compound in hops extracts. Available in multiple purity grades (1%, 5%, 10%, and 98%) to suit diverse industrial needs, with high-purity variants exhibiting a bright yellow crystalline appearance

  • Isoxanthohumol Manufacturer
    Premium Isoxanthohumol (CAS 521-48-2) | 98%+ HPLC Purity | Anticancer & Antiviral Flavonoid

    Isoxanthohumol is a bioactive prenylflavonoid primarily derived from hops (Humulus lupulus) and beer. This potent compound exhibits significant antiproliferative effects against multiple human cancer cell lines and inhibits metastatic tumor development in vivo. It also demonstrates broad-spectrum antiviral activity against herpes viruses (HSV1/HSV2) and bovine viral diarrhea virus (BVDV), making it a valuable candidate for pharmaceutical and nutraceutical research.

  • 6-Prenylnaringenin (6-PN)
    Premium 6-Prenylnaringenin | CAS 68682-01-9 | 98% HPLC Certified for Export & Lab Use

    6-Prenylnaringenin (6-PN, CAS 68682-01-9) is a potent and reversible inhibitor of Cav3.2 T-type calcium channels (IC₅₀ = 991 nM), widely used in neuroscience and pharmacological research. It demonstrates exceptional blood-brain barrier permeability, making it ideal for studying neuropathic and visceral pain mechanisms.

What We Rre

About Spring & Autumn

Nanjing Spring & Autumn Biological Engineering Co., Ltd. Which was founded at 2008, has an R & D team composed vy experienced natural products chemists. The company is a high-tech enterprise engaged in functional health care products raw material. Functional cosmetic ingredients and natural drug intermediates. The company has R & D department, production department and sales department, Specializing in R & D, production and sales of high purity plant derived active natural compounds and active plant extrects. In 2018. The subsidiary factory Weifang Huazhi Biological Technology Co., Ltd. Was Established, and the company′s production capacity was further improved. Our business philosophy: Quality is the life of the company. Our aim: Customer first, quality first, reputation first. Our goal: Become excellent team in high purity natural products research and                          development.
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99.9% Customer Satisfaction based on 750+ reviews and 20,000 Objective Resource

  • Research Room

    Pioneering Plant Science: Our dedicated R&D center discovers and develops novel, high-purity bioactive compounds from nature for targeted applications.    

  • Factory

    GMP-Aligned Manufacturing Excellence: We produce premium plant extracts at scale, rigorously following GMP guidelines to ensure purity, potency, and batch-to-batch reliability.

  • Sales Department

    Global Supply Partnerships: Leveraging our scientific expertise and robust supply chain, we deliver premium plant extracts reliably to partners worldwide.

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Natural plant extracts, a pure choice for cosmetics and toiletries, a source of health for functional foods and beverages, and a reliable choice for pharmaceutical intermediates.
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Natural plant extracts, a pure choice for cosmetics and toiletries, a source of health for functional foods and beverages, and a reliable choice for pharmaceutical intermediates.
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