Vanilla grading is one of the most misunderstood parts of sourcing, and one of the most expensive to get wrong. Two lots from the same farm, harvested the same week, can be priced 40% apart based purely on grade. Here is exactly what separates them, and how to choose the right grade for your product.
Quick answer: Grade A vanilla is plump, moist (30-38%), and used whole for extraction or garnish. Grade B is drier (15-25% moisture) and used almost exclusively for making extract. There is no quality difference in flavor potential, only in moisture content and cosmetic appearance.
What actually determines a vanilla bean's grade
Grading is based on four physical characteristics assessed after curing: moisture content, length, appearance (splits, blemishes, uniformity), and pliability. Vanillin content and flavor complexity are largely independent of grade, a Grade B bean from a well-cured lot can taste just as rich as a Grade A bean from the same batch.
Grade comparison table
| Grade | Moisture | Appearance | Best use |
|---|---|---|---|
| Grade A / Gourmet | 30-38% | Plump, glossy, minimal splitting | Whole-bean use, garnish, retail |
| Grade B / Extraction | 15-25% | Drier, more split, less uniform | Extract, oleoresin production |
| Grade C / Commercial | Under 15% | Broken, cosmetically inconsistent | Bulk extract, industrial flavoring |
Why Grade B is often the smarter commercial buy
If your end product involves extraction, brewing, distilling, or infusing rather than displaying whole beans, Grade B typically delivers the same vanillin yield per kilo at a meaningfully lower price. The vanillin and flavor-compound content sits inside the pod's seeds and pulp, not in its cosmetic plumpness, so a split or slightly dry bean extracts identically to a picture-perfect one.
Why Grade A still matters
For retail, gifting, or any product where the consumer sees the bean itself, cosmetic quality drives purchase decisions regardless of flavor equivalence. Bakeries scraping seeds table-side, specialty retailers selling whole beans, and premium gift packaging all justify the Grade A premium.
Red flags when buying by grade
- A supplier who cannot provide a moisture percentage on request
- Grade A pricing on beans with no visible COA or lab documentation
- Unusually uniform "Grade A" batches at bulk industrial pricing, often a sign of grade-mixing or mislabeling
- No stated harvest or curing date, since older stock loses moisture and can be re-labeled down a grade without disclosure
Frequently asked questions
Does Grade B vanilla taste worse than Grade A?
No. Flavor and vanillin content are determined by curing quality, not grade. Grade B beans from a well-cured lot taste comparable to Grade A beans from the same lot; the difference is moisture and cosmetic appearance only.
Which grade should I buy for making my own vanilla extract?
Grade B is the standard industry choice for extract-making since it is more cost-effective and the lower moisture content is well suited to alcohol-based extraction.
How is vanilla bean moisture content measured?
Moisture is typically measured using a moisture analyzer or oven-drying method, and reputable exporters report it on a per-lot Certificate of Analysis.