Resveratrol in the fruits of bilberry (Vaccinium myrtillus L.), the lowbush "wild" blueberry (Vaccinium angustifolium Aiton), the rabbiteye blueberry (Vaccinium ashei Reade), and the highbush blueberry (Vaccinium corymbosum L.) were measured using a new assay based on high-performance liquid chromatography-tandem mass spectrometry (LC-MS/MS). The LC-MS/MS assay provided lower limits of detection than previous methods for resveratrol measurement, 90 fmol of trans-resveratrol injected on-column, and a linear standard curve spanning >3 orders of magnitude. The recoveries of resveratrol from blueberries spiked with 1.8, 3.6, or 36 ng/g were 91.5 +/- 4.5, 95.6 +/- 6.5, and 88.0 +/- 3.6%, respectively. trans-Resveratrol but not cis-resveratrol was detected in both blueberry and bilberry samples. The highest levels of trans-resvertatrol in these specimens were 140.0 +/- 29.9 pmol/g in highbush blueberries from Michigan and 71.0 +/- 15.0 pmol/g in bilberries from Poland. However, considerable regional variation was observed; highbush blueberries from British Columbia contained no detectable resveratrol. Because blueberries and bilberries are often consumed after cooking, the effect of baking on resveratrol content was investigated. After 18 min of heating at 190 degrees C, between 17 and 46% of the resveratrol had degraded in the various Vaccinium species. Therefore, the resveratrol content of baked or heat-processed blueberries or bilberries should be expected to be lower than in the raw fruit. Although blueberries and bilberries were found to contain resveratrol, the level of this chemoprotective compound in these fruits was <10% that reported for grapes. Furthermore, cooking or heat processing of these berries will contribute to the degradation of resveratrol.

Informal caregivers form a shadow workforce projected to become even more essential as the U.S. population ages. Most are untrained in the role and manage caregiving with competing life demands that compound burden and threaten the welfare of the older adults in their care. The 12-item Zarit Burden Interview measure was employed to investigate differences in subjective burden before and during the Covid-19 pandemic among adult children who are primary informal caregivers of a parent. Additionally, this study explored family composition to determine if the presence of siblings or dependent children affected burden scores. A convenience sample ( N = 77) reported significantly more burden since the onset of the Covid-19 pandemic when compared to pre-pandemic burden. Since the pandemic began, those with living siblings reported less burden than those without siblings, while there was no difference in burden between sandwich generation caregivers and those providing care only for a parent. This study’s results point to the role family plays in resilience during a crisis and emphasizes the need to promote efficient supports and networks to alleviate caregiver burden.

This study describes the Food and Fitness Fun Education Program (FFFEP), which was implemented in an after‐school child care program in California. FFFEP consisted of 16 weeks of lessons and activities. Changes in healthy eating and physical activity in children and their parents were analyzed using pre‐ and posttests for children and a parent survey. In all, 1,810 children in kindergarten through fifth grades participated in the program. Testing of the children took place at the beginning and end of the program. A sample of parents in the 48 sites participated in surveys at the end of the program. Seventy‐two percent of the children in the program were Hispanic. Children and parents reported healthier eating and an increase in physical activity as a result of the children’s participation.