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Nutrition

Studies showcase health benefits of strawberries

Three new, major studies reveal strawberries may improve vascular health in at-risk adolescents, reduce inflammation in obese adults, and improve cognition in older adults.

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Three new, major studies reveal strawberries may improve vascular health in at-risk adolescents, reduce inflammation in obese adults, and improve cognition in older adults. 

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While strawberries are among many people’s favorite fruits, many are not aware of the incredible health benefits.  Providing a unique combination of essential nutrients, dietary fiber and phytochemicals, a serving of eight medium strawberries a day provides more vitamin C per serving than an orange (and 140% of the daily value), a good source of fiber (3 grams), folate and potassium (along with a variety of health-promoting antioxidants) and just 7 grams of sugar.  Clinical research suggests that eating a serving of eight medium strawberries a day may improve heart health, help manage diabetes, support brain health, and reduce the risk of some cancers.

By adding just eight strawberries a day into a daily diet, consumers can reap the incredible health benefits of strawberries. Below are four unique ways to use strawberries on toast, created by Jenna Braddock, R.D.  These two sweet and two savory options can be enjoyed any time of the day and are all quick to prepare, full of flavor, and packed with great nutrition to fuel your body.

Here are the studies, and their results:

  • Strawberries may help improve vascular health in at-risk adolescents
    This is the first study to test the impact of freeze-dried strawberry powder (FDSP) on markers of vascular health in at-risk adolescents. Previous research in adults found a promising inverse relationship between FDSP consumption and the risk of cardiovascular disease.

In a randomized, double-blind, crossover study, 25 overweight or obese males between ages 14-18 consumed 50 grams of FDSP or a calorically equivalent amount of control powder every day for a week. Before and after each test period, measures of vascular health were collected at baseline and one hour after FDSP intake.

Researchers discovered significant improvements in inflammation and vascular function. Plasma nitrite/nitrate levels spiked on the first study day, just one hour after consuming FDSP, and again after one week of intake, indicating an immediate anti-inflammatory effect (this response was not observed with the control powder). They also found an acute increase in the Framingham reactive hyperemia index after one week of FDSP consumption, which indicates improved vascular function.

The results support the premise that strawberries can promote vascular health and may reduce the risk of cardiovascular disease in overweight and obese adolescent males.

Authors: Roberta R. Holt, Dragana Djurica, Jingyan Ren, Robert M. Hackman, and Carl L. Keen, University of California, Davis.
Poster Title: Effects of a Dietary Strawberry Powder on Parameters of Vascular Health in Adolescent Males 

  • Strawberry Flavonoids May Reduce Inflammation in Obese Adults
    Berry flavonoids have demonstrated anti-inflammatory effects in experimental models, but there haven’t been many robust studies in humans. In this 12-week, randomized, dose-response controlled trial, researchers examined the effects of strawberry flavonoids on inflammatory biomarkers in adults.

Sixty adult volunteers with abdominal obesity and elevated serum lipids were assigned to drink a low-dose freeze-dried strawberry beverage (FDS), a low-dose control, a high-dose FDS beverage, or a high-dose control for 12 weeks. Control beverages were matched for calories and fiber. Inflammatory biomarkers were tested at baseline and 12 weeks.

After drinking the FDS beverage for 12 weeks, subjects had significantly improved blood nitrite levels compared to the low-dose and control groups. “Typically, obesity and elevated blood lipids have been shown to increase levels of nitrite associated with inflammation, and thus a decrease in nitrite is an anti-inflammatory benefit of strawberries,” explains lead author Arpita Basu, PhD, RD/LD.

Consuming strawberries may help lower certain inflammatory biomarkers, which reduce the risk of chronic disease in obese adults.

Authors: Arpita Basu, Stacy Morris, Nancy M Betts, Angel Nguyen, Dongxu Fu, Timothy J Lyons
Poster Title: Effects of dietary strawberries on inflammatory biomarkers in participants with abdominal obesity and dyslipidemia

  • Dietary Strawberry Improves Cognition in Older Adults
    In one of the first clinical studies designed to determine whether dietary strawberry intake could reverse age-related motor and cognitive decline among healthy older adults, USDA researchers have demonstrated that supplementing older adults’ diets with about two cups per day of strawberries can improve cognition even in the absence of neurological dysfunction.

The research was conducted at the USDA Human Nutrition Research Center on Aging at Tufts University and first presented at the 2015 Society for Neuroscience annual meeting in Chicago.

Thirty-seven healthy men and women, age 60-75, consumed either the equivalent of about two cups per day of fresh strawberries in the form of a freeze-dried powder, or an equal amount of a calorie matched control powder containing no strawberries, for 90 days. The participants maintained their normal diet, other than refraining from consuming any berries or berry products during the study. Mobility and cognitive testing was done at day 0, 45 and 90 of the study.

Dietary intervention with strawberry for 90 days led to improvements in spatial memory and word recognition among healthy older adults. .

Overall the study results suggest that dietary intervention with strawberry fruit may be an effective means of combating age-related cognitive decline.

Authors:  Marshall G. Miller, Nopporn Thangthaeng, Tammy M. Scott, Barbara Shukitt-Hale
Poster Title: Dietary Strawberry Improves Cognition in Older Adults: A Randomized, Double-Blind, Placebo-Controlled Trial

Strawberry Goat Cheese Toast

Toast a slice of whole grain, high fiber bread. Meanwhile, mix together 1 ounce of goat cheese with 8 small, chopped strawberries to create a spread. Spread on warm toast and top with about 10 shelled pistachios or nut of choice.

Cocoa Almond Butter Strawberry Toast

Toast a slice of whole grain, high fiber bread. Spread 2 tablespoons of almond butter on the toast. Layer sliced strawberries on top. Sprinkle with cocoa powder.

Avocado Balsamic Strawberry Toast

Toast a slice of whole grain, high fiber bread. In a small bowl, mash up 1/4 of a Hass avocado with a fork, then spread it on the toast. Sprinkle with 2 tablespoons crumbled goat cheese. Layer halved strawberries on top. Drizzle with balsamic vinegar.

Quick White Bean & Pepper Hummus Strawberry Toast

Toast a slice of whole grain, high fiber bread. Meanwhile, in a small bowl, combine 1/2 cup drained and rinsed white beans, 1 teaspoon extra virgin olive oil, and a pinch of pepper (or more to taste) and mash with a fork. Spread hummus on toast and layer sliced strawberries on top. Top with chopped, fresh basil.

For more information on strawberries, as well as additional creative and inspiring recipes, visit http://www.californiastrawberries.com and http://www.heartoffarmers.com/

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Nutrition

Fruity fuel for everyday

Help your kiddos stay energized for each school day (including those dreaded homework hours) with nutritious snacks that prioritize hydration.

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School days bring excitement for students with classroom fun, exploration of new subjects, time with friends and extracurricular activities like sports and clubs. They also mean hectic schedules for families, especially parents looking to keep nutrition top of mind in spite of jam-packed weeknight calendars.

Help your kiddos stay energized for each school day (including those dreaded homework hours) with nutritious snacks that prioritize hydration. As a satisfying sweet treat thanks to its taste and nutritional value, watermelon provides a year-round solution to rehydrate as part of simple, kid-friendly meals and snacks.

Sweet watermelon, salty cottage cheese and pops of berries make this Watermelon Berry Fruit Salad with Cottage Cheese hard to top after a long day in the classroom. A sprinkle of fresh mint is a perfect final addition to this after-school treat.

Or for an easy, fast, no-mess meal that can be prepared for homework sessions or taken as a lunchbox treat, look no further than Watermelon Kebabs. Just cube watermelon, turkey breast and cheddar cheese and thread on coffee stirrers or beverage straws then share with your loved ones while tackling dinner and prepping for the next day of learning.

Any way you slice it, watermelon is a nutrient-dense food you can feel confident stocking in your kitchen and feeding to your family. It provides 21 grams (8% of the recommended daily value) of natural carbohydrates and is especially energizing when paired with protein like cottage cheese or turkey for a balanced snack.

Plus, with just 80 calories in two cups, it’s a high-volume food that can fill you up at mealtime. Once you’ve enjoyed the delicious watermelon flesh, make sure to avoid waste by using the rind in recipes like stir fries or salads, or encourage little ones to get creative with watermelon rind crafts to let their creativity shine.

Find more school year snacks and meals by visiting Watermelon.org.

Watermelon Berry Fruit Salad with Cottage Cheese
Recipe courtesy of the National Watermelon Promotion Board

            Watermelon
1          package raspberries
1          package strawberries
1          package blueberries
1          package blackberries
1          container cottage cheese
1          bunch mint leaves
            honey, to taste (optional)

Cut watermelon with star-shaped cookie cutter or into cubes.

In large bowl, mix watermelon with raspberries, strawberries, blueberries and blackberries. Add dollops of cream cheese on top of fruit.

Garnish with mint leaves and drizzle with honey, to taste, if desired, prior to serving.

Watermelon Kebabs
Recipe courtesy of the National Watermelon Promotion Board
Servings: 6

18        seedless watermelon cubes (1/2 inch each)
6          cubes smoked turkey breast
6          cubes cheddar cheese
6          coffee stirrers or beverage straws

Thread cubed watermelon, cubed turkey and cubed cheese on stirrers or straws.

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NewsMakers

Get smart about your heart

From regular checkups and reducing stress to eating well – including heart-healthy snacks like grapes – and exercising regularly, these simple steps can help boost your heart health.

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A crucial component of overall well-being, heart health can be a barometer for living a long, healthy and happy life. Because heart disease is the leading cause of death in the US, according to the Centers for Disease Control and Prevention, taking steps to reduce your controllable risk factors – including poor diet, stress and inactivity – can set you on the right path.

From regular checkups and reducing stress to eating well – including heart-healthy snacks like grapes – and exercising regularly, these simple steps can help boost your heart health.

Know Your Numbers
Knowing key health metrics such as blood pressure, cholesterol levels, blood sugar levels and body mass index can help you and your health care provider identify potential risks early. Schedule annual checkups and discuss any concerns you may have about your heart health. Early detection and risk factor management can reduce the likelihood of developing heart disease.

Eat More Fruits and Vegetables
Incorporating a variety of colorful fruits and vegetables into your diet can ensure you get a broad range of vitamins, minerals, fiber and antioxidants, all of which contribute to a healthy cardiovascular system. For example, leafy greens like spinach and kale are high in potassium, which helps manage blood pressure. Fresh grapes contain 7% of the daily recommended intake of potassium, are a good source of vitamin K and are also a natural source of beneficial antioxidants and other polyphenols, including flavonoids, that can help relax blood vessels and promote healthy circulation. Some studies also suggest grapes have a beneficial impact on blood lipids and more.

In fact, one study found women who consumed 1 1/4 cups of grapes every day benefited from reduced blood triglyceride levels, LDL cholesterol levels, inflammatory proteins and other markers of heart disease.

Bright, juicy and bursting with flavor, Grapes from California can be enjoyed by the handful or blended with rich bananas, tangy Greek yogurt and a hint of almond in The Great Grape-Acai Smoothie Bowl for a delicious blend of fruity flavors at breakfast, lunch or snack time – it not only tastes great, but supports a healthy heart. 

Get Moving
Regular physical activity is one of the most effective ways to improve heart health. Exercise strengthens the heart muscle, improves blood circulation and helps maintain a healthy weight. Aim for at least 150 minutes of moderate-intensity aerobic exercise per week, as recommended by the American Heart Association, such as walking, jogging or swimming with strength training exercises like lifting weights or using resistance bands mixed in to help reduce the risk of heart disease and improve overall cardiovascular health.

Manage Stress
Consider your stress level: chronic stress can negatively impact heart health, increasing blood pressure and other risk factors for heart disease. Techniques such as deep breathing, meditation, yoga and regular physical activity can help manage stress levels and maintain a healthy heart. Additionally, taking time to engage in hobbies, spending time with loved ones and ensuring adequate sleep are stress-reducing activities that improve overall well-being and heart health.

To learn more about the heart-health benefits of grapes, and find additional heart-friendly recipes, visit GrapesFromCalifornia.com.

The Great Grape-Acai Smoothie Bowl
Servings: 1

1/2       cup red Grapes from California, fresh or frozen
1/2       banana
1          frozen acai fruit pack (3 1/2 ounces)
1/2       cup plain, nonfat Greek yogurt
1/4       teaspoon almond extract

Topping:
1/4       cup sliced red Grapes from California
1          tablespoon sliced, toasted almonds
1          tablespoon pepitas
1          teaspoon chia seeds

In small blender, combine grapes, banana, acai, yogurt and almond extract; process until smooth.

Pour into bowl and top with sliced grapes, sliced almonds, pepitas and chia seeds.

Nutritional information per serving: 420 calories; 19 g protein; 63 g carbohydrates; 12 g fat (26% calories from fat); 2.5 g saturated fat (5% calories from saturated fat); 5 mg cholesterol; 45 mg sodium; 8 g fiber.

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Nutrition

Eat your greens and skip the sugar spikes 

Cruciferous vegetables like broccoli and kale could help with the management of blood sugar levels, particularly for people at risk of type 2 diabetes and cardiovascular disease (CVD).  

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New research by Edith Cowan University (ECU) has found evidence that cruciferous vegetables like broccoli and kale could help with the management of blood sugar levels, particularly for people at risk of type 2 diabetes and cardiovascular disease (CVD).  

PhD student Ms Emma Connolly investigated whether cruciferous vegetable intake improved glycaemic control (blood sugar control) compared to root and squash vegetables in non-diabetic adults with elevated blood pressure. 

In a randomised, controlled, crossover trial, participants consumed four serves per day of either cruciferous vegetables (broccoli, cabbage, cauliflower, kale) or root and squash vegetables (carrot, potato, pumpkin, sweet potato) with lunch and dinner meals for two weeks. 

“Our participants wore glucose monitors throughout the study, so that we were able to measure blood sugar levels continuously throughout each two-week period,” Ms Connolly said. 

“We found that, when participants consumed the cruciferous vegetables, they had less variable blood sugar levels compared to when they consumed the root and squash vegetables. We also noted that these participants had a smaller spike in sugar levels after the meals. A central goal of blood sugar control, particularly for people with diabetes, is to smooth out spikes and reduce variability in blood sugar levels throughout the day. Stable blood sugar, with minimal peaks and less fluctuations is associated with better overall health and wellbeing.” 

Ms Connolly said further research is essential to fully understand the underlying mechanisms driving these findings, as well as to explore the broader clinical implications.  

“Continued investigation will be crucial to determine how these vegetables can be effectively incorporated into dietary recommendations for improved blood sugar regulation and overall health management,” she said. 

Poor glycaemic control is estimated to occur in 541 million individuals worldwide. Ms Connolly noted that dysregulated glucose control increases the risk of type 2 diabetes and subsequent CVD and has a substantial societal impact.  

The total cost attributed to type 2 diabetes with CVD is projected to exceed AUD$18.7 billion in Australia alone by 2031.  

“Less than 1 in 15 Australian adults meet vegetable intake recommendations. Even more concerning is that cruciferous vegetables are among the least consumed vegetables. Adding vegetables like broccoli, kale, bok choy, gai lan, and cabbage to your meals most days could make a big difference to your health,” Dr Lauren Blekkenhorst said. 

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