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Antioxidants in Midwestern black raspberries influenced by production site
Date:2/26/2009

ral Research and Development Center and stored in 100-g batches at 29 C until analyzed. The team then evaluated each of the cultivars to determine antioxidant levels.

According to the researchers; "Inverse relationships among black raspberry samples suggested that site differences may be partially attributable to fruit ripeness at harvest. Relationships among these parameters versus regional differences in soil temperatures were also significant, but weak."

Variation in fruit phytonutrient contents related to growing location may prove important in future health-related studies or clinical applications, as well as affecting nutritional benefits to consumers.

The study also contains recommendations for black raspberry growers and marketers, indicating that phytonutrient levels may be affected by genetic, cultural, and/or environmental factors. "Black raspberry producers wishing to optimize antioxidant levels of their fruit products must consider how greatly antioxidant levels might vary among locally grown cultivars from harvest site to harvest site and, as a consequence, of how they are handled and marketed." remarked Ozgen.

Based on this preliminary research, the team continues to explore the effects of culture, ripening, posthavest practices, heat, light, water, and other environmental stresses on the production of antioxidants in black raspberry and other berry fruits.


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Contact: Michael W. Neff
mwneff@ashs.org
703-836-4606
American Society for Horticultural Science
Source:Eurekalert  

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