Article Title: Allicin vs. Alliin: Which Garlic Extract Specification is Best for Stable Supplements?

For supplement brands and formulators, Garlic Extract is a challenging ingredient. While consumers demand the cardiovascular benefits associated with Allicin, the compound itself is notoriously volatile. A common complaint we hear from procurement managers is: "We bought a high-Allicin powder, but after 3 months of warehousing, the active content dropped by 40%."

Choosing the right specification—Allicin vs. Alliin—is critical for product shelf-life and consumer repurchase rates. In this guide, Shaanxi Runke Plant Science & Technology Co., Ltd. breaks down the technical differences to help you make the right sourcing decision.

The Core Difference: Stability vs. Potency

The Short Answer for Buyers:

Allicin is the active compound responsible for garlic's benefits but is highly unstable and degrades rapidly into sulfides. Alliin is the stable, odorless precursor amino acid. For shelf-stable supplements (capsules/tablets), we recommend sourcing Alliin-standardized extract, which converts to Allicin only after ingestion, ensuring the end consumer gets the actual potency.

Deep Dive: Why "High Allicin" Claims Can Be Risky

Many suppliers promise "5% Allicin Powder," but this claim is often based on the potential yield at the time of manufacturing, not what remains after shipping and encapsulation.

1. The Degradation Problem: Allicin is an organosulfur compound formed when Alliin reacts with the enzyme Alliinase (released when garlic is crushed). Once formed, Allicin begins to degrade immediately, especially when exposed to heat or oxygen during the tableting process.
2. The Manufacturing Challenge: To maintain actual free Allicin in a powder requires expensive micro-encapsulation technologies. Without this, your finished product label claim may fail third-party testing within months.

The Solution: Alliin-Standardized Extract (Deodorized)

At Shaanxi Runke, we focus on preserving the Alliin content (typically 1% to 5% specs). Here is why this strategy works better for B2B formulations:

• Stability: Alliin is chemically stable and heat-resistant. It survives the harsh conditions of spray drying and softgel encapsulation.
• Odor Control: Alliin itself is odorless. The strong "garlic smell" comes from Allicin and its breakdown products. By keeping the garlic in the Alliin state, we can produce Deodorized Garlic Extract, solving the "garlic burp" issue for consumers.
• Bioavailability: When the consumer swallows the capsule, the Alliin reacts with the accompanying Alliinase enzyme in the gut, converting to fresh Allicin right where it is needed.

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Comparison Table: Choosing the Right Spec

Quality Control: How We Test

Reliable sourcing depends on transparent testing methods. At Shaanxi Runke, we use HPLC (High-Performance Liquid Chromatography) for all our Garlic Extract batches.

Why this matters:

Some unethical suppliers use "Total Sulfur" testing methods to fake high assay results. A generic sulfur test cannot distinguish between active Alliin and useless sulfur degradation byproducts.

• Our Standard: We provide COAs showing specific retention times for Alliin, ensuring you are paying for the bioactive precursor, not just garlic dust.
• Solvent Control: For our export-grade extracts, we strictly control Ethanol residues to meet European and USP standards, ensuring the powder is safe for clean-label products.

Application Advice for Formulators

If you are developing a new SKU, consider the following based on our B2B client feedback:

1. For Odorless Softgels: Use 1% Alliin / 2% Alliin specification. It pairs well with oil bases and minimizes the risk of the capsule shell leaking odors.
2. For Functional Foods: If you are making a savory functional snack, a lower spec (Raw Powder 10:1) might suffice for flavor, but for health claims, stick to standardized extracts.

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Conclusion & Next Step

Don't let stability issues compromise your brand's reputation. By switching to an Alliin-standardized specification, you ensure your product remains potent from the factory floor to the customer's medicine cabinet.

Looking for a stable Garlic Extract sample?

Contact Shaanxi Runke today. We can provide a comparative stability report and a free sample (20g) for your R&D team to test the odor profile.

Frequently Asked Questions

Q: What is the ratio of Alliin to Allicin conversion?

A: generally, 1 mg of Alliin can theoretically convert to approximately 0.45 mg of Allicin. However, this depends on the activity of the enzyme Alliinase present in the extract or the digestive system.

Q: Can you provide Deodorized Garlic Extract without solvent residue?

A: Yes. Shaanxi Runke utilizes a specialized extraction and filtration process that removes odor-causing sulfides while keeping solvent residues well below USP limits (typically <5000ppm, with stricter options available).

Q: What is the MOQ for your bulk Garlic Extract?

A: Our standard MOQ for industrial buyers is 25kg (one drum), but we support R&D pilot batches starting at 1kg.