88% of Sake Samples Contain Pesticides

88% of Japanese sake samples tested positive for systemic insecticides. And 81% had pesticide levels that would fail European drinking water standards.

What's in Your Sake

Researchers tested 52 sake samples from five prefectures in Japan for neonicotinoids and other systemic insecticides. Nearly all of them were contaminated, according to a 2026 study in Food Addit Contam Part A.

The most common pesticide found was dinotefuran. The highest concentration reached 68.2 micrograms per liter. Eight different compounds were detected, and contamination levels matched or exceeded those found in Asian red wines.

Legal in Japan, Illegal in Europe

Here's the catch: these levels were technically below Japan's tap water limits and contributed less than 0.2% of Japanese safety thresholds. But 81% of samples and eight compounds exceeded EU drinking water thresholds. Europe has much stricter rules on pesticides in beverages.

That gap between Japanese and European standards means what's considered "safe" depends entirely on where you live, not on the science.

What You Can Do

Look for organic sake or rice wine when possible. Be aware that rice-based beverages can carry the pesticides used on rice paddies. Diversify your drinks. And pair your meals with non-toxic kitchen alternatives to reduce your overall exposure.

Also see glass food containers for safer alternatives.

Source: Putri ZS, Kondoh T, Ikenaka Y, et al. (2026). Food Addit Contam Part A.