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Successful winemaking is an art blended with precise science, where every detail can influence the final product. One of the most critical factors influencing healthy and complete fermentation is the availability of Yeast Assimilable Nitrogen (YAN). Insufficient YAN can lead to stuck fermentations, off-flavors, and an overall diminished wine quality. This is where the Nitrogen by O-Phthaldialdehyde Assay (NOPA) method, utilizing O-Phthalaldehyde (OPA), becomes indispensable.
The NOPA assay provides winemakers with a rapid and accurate way to measure the YAN levels in grape must. OPA, specifically the OPA reagent for amino acid analysis, reacts with primary amino acids and ammonia, which constitute the majority of YAN. The resulting fluorescent adduct is then quantified, allowing winemakers to make informed decisions about nutrient additions. This proactive management of YAN ensures a smooth and complete fermentation, contributing to the desired aromatic and textural profile of the wine.
For wineries aiming to optimize their fermentation process and prevent potential issues, investing in reliable winemaking YAN measurement OPA reagents is a smart choice. As a dedicated OPA reagent supplier, NINGBO INNO PHARMCHEM CO.,LTD. provides high-purity O-Phthalaldehyde suitable for analytical applications in the enology sector. Our commitment to quality ensures consistent and accurate results, empowering winemakers to maintain strict quality control.
Choosing the right NOPA assay reagents supplier is crucial for accurate YAN measurements. We understand the unique needs of the winemaking industry and offer a product that contributes to superior wine quality. Whether you are a large-scale winery or a boutique producer, knowing the precise YAN content allows for tailored nutrient strategies, preventing both deficiencies and excesses. We invite winemakers to inquire about our o-phthalaldehyde for wine analysis and competitive pricing, assisting you in crafting exceptional wines consistently.
Manufacturing Facilities
Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.
