Rice Cooking Safety: Delay Start, Keep Warm, and Overnight Soaking
Don't keep rice warm overnight (Bacillus cereus toxin risk). Delay-start is safe. Refrigerate cooked rice within 1-2 hours — reheating can't destroy toxins from improper storage.
Leaving cooked rice on "keep warm" overnight is not recommended. Bacterial toxins (particularly from Bacillus cereus) can form at warm-holding temperatures, and rice texture degrades significantly. The delay-start feature on rice cookers is safe to use. Dry rice soaking in cold water before delayed cooking does not pose a food safety risk — the water temperature is too low for significant bacterial growth. Key rice safety principle: cooked rice should be refrigerated within 1-2 hours of cooking. Reheating rice is safe provided it was promptly and properly refrigerated. The Bacillus cereus toxin that causes "fried rice syndrome" is heat-stable — reheating cannot destroy toxins that formed during improper storage.