
Yogurt culture is a live culture consisting of beneficial bacteria, primarily Streptococcus thermophilus and Lactobacillus bulgaricus, essential for fermenting milk into yogurt. These cultures impart a slightly tangy and acidic flavor to yogurt, while also thickening its texture. The appearance of yogurt made with these cultures is typically smooth, creamy, and white or off-white. Using a yogurt culture lets you make homemade yogurt ensuring freshness and customize thickness. It's a crucial ingredient for creating probiotic-rich and delicious yogurt at home.
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Yogurt cultures are best used fresh. If using a starter culture, store it in the refrigerator in an airtight container. Dried cultures can be kept at room temperature in a cool, dark place until the expiration date. Once activated, store yogurt according to instructions, generally in the refrigerator. Homemade yogurt should be consumed within 1-2 weeks for optimal freshness and probiotic activity.