Blog Archives - Page 3 of 16 - United Food Labs

05 Mar Cold Fill vs Hot Fill: Choosing the Right Beverage Processing Method

Posted at 07:28h in Blog

In the beverage industry, the decision between cold fill vs hot fill processing directly impacts product safety, shelf stability, flavor retention, and cost. Understanding these two beverage manufacturing methods is essential for emerging and established brands alike. Hot fill processing involves heating a beverage to a...

01 Mar What Retailers Look for Before Approving Shelf-Stable Foods

Posted at 05:50h in Blog

A Complete Guide for Food Brands Seeking Retail Placement The shelf-stable food market is booming. From ready-to-eat meals and sauces to snacks, beverages, and functional foods, consumers want convenience without sacrificing quality. But while demand is high, getting shelf-stable products approved by retailers is far from...

28 Feb How to Tell If Your Product Is Acidified, Low-Acid, or Exempt

Posted at 06:01h in Blog

A Practical Guide for Food Entrepreneurs and Processors If you manufacture shelf-stable foods in jars, bottles, or sealed containers, one of the most important regulatory questions you’ll face is this: Is your product acidified, low-acid, or exempt? Correct classification affects everything from process authority approval and thermal...

23 Feb Which Foods Require a Process Authority Letter

Posted at 06:03h in Blog

An SEO Guide for Food Manufacturers, Co-Packers, and Growing Brands If you produce shelf-stable foods in sealed containers, one of the most common compliance questions is: Do I need a Process Authority Letter? For many entrepreneurs, the answer determines whether they can legally sell their product, scale...

19 Feb The Role of pH and Water Activity in Food Safety (Beginner’s Guide)

Posted at 07:08h in Blog

If you’re new to food science or developing your own food products, understanding pH and water activity (aw) is essential. These two factors play a critical role in food safety, shelf life, and preventing harmful microbial growth. This beginner’s guide will break down these concepts...

18 Feb How to File with FDA for a Shelf-Stable or Acidified Product (FCE + SID Explained)

Posted at 07:06h in Blog

If you’re developing a shelf-stable or acidified product, understanding how to file with the FDA is crucial to legally sell your product in the U.S. market. From tomato sauces to pickled vegetables, the FDA requires certain filings and process documentation to ensure food safety. Two...

17 Feb Olive Oil Testing: Methods, Standards, and Quality Verification

Posted at 07:03h in Blog

Olive oil testing is essential for verifying authenticity, ensuring quality, and meeting regulatory standards in the global olive oil market. With growing consumer demand for premium and extra virgin products, producers and distributors must rely on accurate olive oil analysis to confirm purity, freshness, and...

16 Feb Chlorophyll Testing: Methods, Benefits, and Applications Across Industries

Posted at 07:00h in Blog

Chlorophyll testing plays a critical role in evaluating plant health, verifying product quality, and supporting research across agriculture, food production, and environmental monitoring. Whether you’re assessing crop vitality or confirming ingredient standards, accurate chlorophyll analysis provides measurable insight into biological performance and product consistency. This guide...

15 Feb PFAS Testing: What It Is, Why It Matters, and How to Stay Compliant

Posted at 06:59h in Blog

PFAS testing has become essential for companies that manufacture, package, or distribute products that may come into contact with water, food, or consumer goods. As awareness of per- and polyfluoroalkyl substances (PFAS) grows, regulators and consumers are demanding proof that products are safe and compliant. This...

14 Feb What Is a Co-Packer? The Complete Guide for Growing Food & Beverage Brand

Posted at 06:58h in Blog

Introduction If you’ve created a great product but production is holding you back, a co-packer could be your fastest path to scale. Co-packing allows brands to outsource manufacturing, packaging, and sometimes distribution — without investing in their own facility. This guide explains how co-packing works, when to...

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