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Ask Proctor: Defoamer

We regularly get questions from maple producers about which defoamers are the best to use. Of course, the answer is…it depends.

Identifying an Effective Defoamer for Certified Organic Maple Production

The combination of potential crop losses from foam-related incidents, reductions in crop value due to off-flavors, and ultimately the many adverse effects of such a large proportion of organic syrup with off-flavors potentially being sold to consumers, underscore the need to identify or develop a certified organic defoamer for maple production that is both more effective at controlling foam than the culinary oils that are currently used, and which results in no off-flavors when used in the quantities necessary to adequately control foam. Thus, the overall objective of this project was to identify a certified organic defoamer that met these criteria.