While both "sulfur" and "sulfites" involve the element sulfur, they are not the same. Sulfur is a natural element, while sulfites are a class of sulfur-based compounds, including preservatives, used to prevent spoilage and extend shelf life, particularly in food and beverages.
要说明，我不吃大红枣、枸杞子。
例如大蒜，羽衣甘蓝，卷心菜。 只不过无机硫有机硫得区别。
照白人爱提纯的脾气，有机硫也能提纯成无机硫，贴上大蒜素羽衣甘蓝素卷心菜素的标签， 保健品党不也买的心甘情愿。
https://news.qq.com/rain/a/20240902A032EY00
有人用工业硫磺熏枸杞？5个辨别方法要学会
https://m.voc.com.cn/xhn/news/202409/20627997.html
sulfur dioxide to prevent browning and preserve flavor
我一点儿都不担心。如果你怕就买有机的，但我要“警告”，我买过一次有机芒果干，结果发现用的“防腐剂”是超量的糖。
对这些物质不是很了解。网上查到：
While both "sulfur" and "sulfites" involve the element sulfur, they are not the same. Sulfur is a natural element, while sulfites are a class of sulfur-based compounds, including preservatives, used to prevent spoilage and extend shelf life, particularly in food and beverages.
有机食物里用盐、糖作为保鲜机制，总是感到相对比较自然。