Home » Biophilic Interiors » Where Does the Sour Taste Come from in Food Such as Cheese and Yogurt? Where Does the Sour Taste Come from in Food Such as Cheese and Yogurt? Maya Lin-Takahashi • Oct 13, 2026 • 6 min read ★ Key Takeaways Lactic Acid Produced by Fermentation Causes the Sour Taste. Investigate the full background Where Does the Sour Taste Come from in Food Such as Cheese and Yogurt with our in-depth report. Direct Answer • Key Takeaway Lactic Acid Produced by Fermentation Causes the Sour Taste. Frequently Asked Questions Share Article: Facebook Twitter WhatsApp Telegram Author Maya Lin-Takahashi Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.