Health Benefits of Strawberry
The strawberry (Fragaria ananassa) originated in Europe in the 18th
century. It is a hybrid of two wild strawberry species from North America and
Chile. Strawberries are bright red, juicy, and sweet. They’re an excellent
source of vitamin C and manganese and also contain decent amounts of folate
(vitamin B9) and potassium. Strawberries are very rich in antioxidants and
plant compounds, which may have benefits for heart health and blood sugar
control.
Usually consumed raw and fresh, these berries can also be used in a
variety of jams, jellies, and desserts. This article tells you everything you
need to know about strawberries.
Nutrition facts
Fresh strawberries are very high in water, so their total carb
content is very low — fewer than 8 grams of carbs per 3.5 ounces (100 grams). The
net digestible carb content is fewer than 6 grams in the same serving size. Most
of these berries’ carbs come from simple sugars — such as glucose, fructose,
and sucrose — but they also contain a decent amount of fiber. Strawberries have
a glycemic index (GI) score of 40, which is relatively low. This means that
strawberries should not lead to big spikes in blood sugar levels and are
considered safe for people with diabetes. The nutrients in 3.5 ounces (100 grams) of raw strawberries.
- Water: 91%
- Carbohydrates: 7.7%
- Fat: 0.3%
- Protein: 0.7%
- Calories: 32
- Water: 91%
- Protein: 0.7 grams
- Carbs: 7.7 grams
- Sugar: 4.9 grams
- Fiber: 2 grams
- Fat: 0.3 grams
Fiber comprises around 26% of the carb content of strawberries. One
3.5-ounce (100-gram) serving of strawberries provides 2 grams of fiber — both
soluble and insoluble. Dietary fibers are important to feed the friendly
bacteria in your gut and improve digestive health. They are also useful for
weight loss and can help prevent many diseases.
SUMMARY
Strawberries’ carbs consists mainly of fibers and simple sugars.
They have a relatively low GI and should not cause big spikes in blood sugar
levels.
Vitamins and minerals
The most abundant vitamins and minerals in strawberries are:
Vitamin C. Strawberries are an excellent source of vitamin C, an
antioxidant necessary for immune and skin health.
Manganese. Frequently found in high amounts in whole grains,
legumes, fruits, and vegetables, this trace element is important for many
processes in your body.
Folate (vitamin B9). One of the B vitamins, folate is important for
normal tissue growth and cell function — and fundamental for pregnant women and
older adults.
Potassium. This mineral is involved in many essential body
functions, such as regulating blood pressure.
To a lesser extent, strawberries also provide iron, copper,
magnesium, phosphorus, and vitamins B6, K, and E.
SUMMARY
Strawberries are a good source of vitamin C, manganese, folate
(vitamin B9), and potassium. They contain small amounts of several other
vitamins and minerals.
Other plant compounds
Strawberries are loaded with antioxidants and beneficial plant
compounds, including:
Pelargonidin
The main anthocyanin in strawberries, this compound is responsible
for the bright red color.
Ellagic acid
Found in high amounts in strawberries, ellagic acid is a polyphenol
antioxidant that may have many health benefits.
Ellagitannins
Related to ellagic acid, ellagitannins are converted to ellagic
acid in your gut.
Procyanidins
These are antioxidants commonly found in strawberry flesh and seeds
that may have beneficial health effects.
Anthocyanins
More than 25 different anthocyanins have been found in
strawberries. Pelargonidin is the most abundant. Anthocyanins are responsible
for the bright colors of fruits and flowers. They are usually concentrated in
the skins of fruit, but berries — such as strawberries — also tend to have
anthocyanins in their flesh.
- Anthocyanin content is usually proportional to color intensity, increasing greatly as the fruit ripens .
- Anthocyanin-rich foods are associated with numerous health benefits, especially regarding heart health.
- Ellagitannins and ellagic acid
- Strawberries are consistently ranked among the top sources of phenolic antioxidants — with levels 2–11 times greater than other fruits.
- Ellagitannins and ellagic acid comprise a large part of these antioxidants in strawberries.
- They have received considerable attention and have been linked to numerous health benefits. This includes fighting bacteria and a reduced risk of cancer.
- The main ellagitannin in strawberries is sanguiin H-6.
SUMMARY
Strawberries contain high amounts of beneficial plant compounds and
antioxidants, such as pelargonidin, ellagic acid, ellagitannins, and
procyanidins.
Health benefits of strawberries
Eating strawberries is associated with a reduced risk of many
chronic diseases. Strawberries may improve heart health, lower blood sugar
levels, and help prevent cancer.
Heart health
Heart disease is the most common cause of death worldwide. Studies have found a relationship between berriesnd improved heart
health. Large observational studies in thousands of people link berry
consumption to a lower risk of heart-related deaths. According to a study in
middle-aged people with well-established risk factors for heart disease,
berries may improve HDL (good) cholesterol, blood pressure, and blood platelets
function. Strawberries may also
- improve blood antioxidant status
- decrease oxidative stress
- reduce inflammation
- improve vascular function
- improve your blood lipid profile
- reduce the harmful oxidation of LDL (bad) cholesterol
The effects of freeze-dried strawberry supplements on type 2
diabetes or metabolic syndrome have been studied intensely — mainly in
overweight or obese individuals. After 4–12 weeks of supplementing,
participants experienced a significant decrease in several major risk factors,
including LDL (bad) cholesterol, inflammatory markers, and oxidized LDL
particles.
Blood sugar regulation
When carbs are digested, your body breaks them down into simple
sugars and releases them into your bloodstream. Your body then starts secreting
insulin, which tells your cells to pick up the sugar from your bloodstream and
use it for fuel or storage. Imbalances in blood sugar regulation and high-sugar
diets are associated with an increased risk of obesity, type 2 diabetes, and
heart disease. Strawberries seem to slow down glucose digestion and reduce
spikes in both glucose and insulin following a carb-rich meal, compared to a
carb-rich meal without strawberries. Thus, strawberries may be particularly
useful for preventing metabolic syndrome and type 2 diabetes.
Cancer prevention
Cancer is a disease characterized by uncontrolled growth of
abnormal cells. Cancer formation and progression is often linked to oxidative
stress and chronic inflammation. A number of studies suggest that berries may
help prevent several types of cancer through their ability to fight oxidative
stress and inflammation. Strawberries have been shown to inhibit tumor
formation in animals with mouth cancer and in human liver cancer cells. The
protective effects of strawberries may be driven by ellagic acid and
ellagitannins, which have been shown to stop the growth of cancer cells
(64Trusted Source, 65Trusted Source). More human research is needed to improve
the understanding of the effects of strawberries on cancer before any solid
conclusions can be reached.
SUMMARY
Strawberries may decrease your risk of heart disease and cancer, as
well as help regulate blood sugar.
Adverse effects
Strawberries are usually well tolerated, but allergy is fairly
common — especially in young children. Strawberries contain a protein that can cause symptoms in people
who are sensitive to birch pollen or apples — a condition known as pollen-food
allergy. Common symptoms include itching or tingling in the mouth, hives,
headaches, and swelling of the lips, face, tongue, or throat, as well as
breathing problems in severe cases.The allergy-causing protein is believed to
be linked to strawberries’ anthocyanins. Colorless, white strawberries are
usually well tolerated by people who would otherwise be allergic.
SUMMARY
Strawberry allergy is rather common, especially among children.
Individuals who are sensitive to birch pollen or apples may experience symptoms
after consuming strawberries.
Conclusion
Strawberries are low in calories, delicious, and healthy. They are
a good source of many vitamins, minerals and plant compounds — some of which
have powerful health benefits. The health benefits include reduced cholesterol,
blood pressure, inflammation, and oxidative stress. Furthermore, these berries
may help prevent big spikes in both blood sugar and insulin levels. Strawberries
are an excellent addition to a healthy diet.
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