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Blueberry vs Grape - Health impact and Nutrition Comparison

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Article author photo Victoria Mazmanyan by Victoria Mazmanyan | Last updated on February 08, 2021
Education: General Medicine at YSMU
Blueberry
vs
Grape

Summary

Grapes are higher in calories, fats, and carbs, while blueberries contain more protein. Blueberries are overall richer in minerals and vitamins, containing higher levels of vitamin C, vitamin E, vitamins B3, B5, and B9, zinc, copper, magnesium, and phosphorus. On the other hand, grapes are richer in vitamin A, vitamins B1, B2, and B6, calcium, and potassium. Blueberries are lower in sodium.

Grapes and blueberries are high in polyphenols, such as anthocyanins and resveratrol, responsible for various health benefits, such as decreasing the risks of cardiovascular disease, type 2 diabetes, and cancer.

Both of these fruits are high in nutrients and possess numerous beneficial properties. The final choice is up to personal preference.

Introduction

It is not wrong to assume that fruits in similar colors share certain traits, as is the case with blueberries and black grapes. In this article, we will talk about these similarities, as well as their differences, with nutrition and health impact at the center of attention.

Classification

Blueberries and grapes are both flowering plants, botanically classified as berries. Blueberries belong to the Cyanococcus section of the Vaccinium genus and the Ericaceae family. Blueberries share their genus with bilberries, huckleberries, and cranberries.

Grapes are part of the Vitis genus in the Vitaceae family. The Vitis genus is also known as the grapevine genus.

Appearance

Blueberries grow on bushes of two varieties - highbush (cultivated) and lowbush (wild). Mature blueberries are, according to their name, blue, globular, and with a crown formation at the top.

It is well known that grapes grow on vines in clusters. All grapes have fleshy insides and thin skin in green, yellow, or purple shades. The shape of grapes varies from globular to oblong. Depending on the variety, grapes can be seeded or seedless.

Taste and Use

Grapes and blueberries can both taste anywhere from tart to sweet, and at times they taste like both at the same time.

Blueberries and grapes are most often used raw. They can also be used in the production of various dairies, pastries, and chocolates.

While blueberry wine is a traditional fermented alcoholic drink in North America, grape wine is one of the most popular alcoholic drinks in the world, dating back millennia.

Varieties

The two main distinctive types of blueberries are highbush or cultivated blueberries and lowbush or wild blueberries. Of these, the five major varieties of blueberries grown in the United States are lowbush, northern highbush, southern highbush, rabbiteye, and half-high. Each of these varieties includes numerous cultivars. The most common variety in the world is the northern highbush (1).

Grapes have hundreds of varieties from all around the world. The main categorization of grapes is decided by three factors: usage, color, and composition. Based on usage, these fruits are categorized as table grapes or wine grapes. Based on color, they can be white or green and black or red. And lastly, based on composition, grapes can be seeded or seedless.

Nutrition

For this article, we are looking at the nutritional values of raw blueberries and raw, American-type slip-skin grapes.

Macronutrients and Calories

Grapes and blueberries are similar in their macronutrient compositions; however, grapes are a little denser in nutrients. Grapes consist of 81% water, while the water percentage in blueberries is 84.

The average serving size for both of these fruits is one cup. But one cup of blueberries weighs 148g, whereas the mass of a cup of grapes is 92g.

Calories

Like most fruits, grapes and blueberries are both low-calorie foods. Grapes are a little higher in calories compared to blueberries.

Protein and Fats

While the difference is not substantial, blueberries are a little richer in protein, and grapes are higher in fats.

Blueberries contain some level of all essential amino acids, while grapes lack isoleucine and leucine.

The predominant fats found in blueberries are healthy polyunsaturated fatty acids. Grapes, on the other hand, contain more saturated fats.

Both grapes and blueberries naturally contain no cholesterol.

Carbohydrates

Grapes contain a larger amount of carbohydrates due to high levels of sugar. However, blueberries have more dietary fiber in comparison to grapes.

The predominant sugars found in blueberries are glucose and fructose. Blueberries also contain low levels of starch and sucrose.

Vitamins

Blueberries and grapes are both rich in vitamins; however, blueberries overall contain a little more. Blueberries are richer in vitamin E, vitamin C, vitamin K, vitamin B5, vitamin B3 and the folate form of vitamin B9.

Grapes, on the other hand, contain larger amounts of vitamin A, vitamin B1, vitamin B2, and vitamin B6.

Both blueberries and grapes completely lack vitamin D and vitamin B12.

Vitamin Comparison

Vitamin comparison score is based on the number of vitamins by which one or the other food is richer. The "coverage" chart below show how much of the daily needs can be covered by 300 grams of the food
:
4
Grape
Contains more Vitamin E +200%
Contains more Vitamin C +142.5%
Contains more Vitamin B3 +39.3%
Contains more Vitamin B5 +416.7%
Contains more Folate +50%
Contains more Vitamin K +32.2%
Contains more Vitamin A +85.2%
Contains more Vitamin B1 +148.6%
Contains more Vitamin B2 +39%
Contains more Vitamin B6 +111.5%
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 4% 12% 0% 33% 10% 10% 8% 8% 12% 5% 0% 49%
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 6% 4% 0% 14% 24% 14% 6% 2% 26% 3% 0% 37%
Contains more Vitamin E +200%
Contains more Vitamin C +142.5%
Contains more Vitamin B3 +39.3%
Contains more Vitamin B5 +416.7%
Contains more Folate +50%
Contains more Vitamin K +32.2%
Contains more Vitamin A +85.2%
Contains more Vitamin B1 +148.6%
Contains more Vitamin B2 +39%
Contains more Vitamin B6 +111.5%

Minerals

Blueberries win in the mineral category as well, being richer in zinc, copper, magnesium, phosphorus, and choline. Blueberries are also lower in sodium.

However, grapes are rich in minerals too. Grapes contain higher levels of calcium, potassium, and manganese.

Grapes and blueberries contain nearly the same amounts of iron and selenium.

Mineral Comparison

Mineral comparison score is based on the number of minerals by which one or the other food is richer. The "coverage" chart below show how much of the daily needs can be covered by 300 grams of the food
Contains more Magnesium +20%
Contains more Phosphorus +20%
Contains less Sodium -50%
Contains more Zinc +300%
Contains more Copper +42.5%
Contains more Calcium +133.3%
Contains more Potassium +148.1%
Equal in Iron - 0.29
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper 2% 11% 5% 6% 7% 1% 5% 19%
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper 5% 11% 4% 5% 17% 1% 2% 14%
Contains more Magnesium +20%
Contains more Phosphorus +20%
Contains less Sodium -50%
Contains more Zinc +300%
Contains more Copper +42.5%
Contains more Calcium +133.3%
Contains more Potassium +148.1%
Equal in Iron - 0.29

Glycemic Index

According to The International Tables of Glycemic Indices, the glycemic index of wild blueberries from Canada falls in the range of 53±7 (2).

The glycemic index of grapes varies depending on growing conditions. Raw grapes from Canada have a glycemic index of 43, while grapes from Italy have a GI of 49. Grapes from Australia, however, have a higher GI of 59 (2).

Based on these numbers, most blueberries and grapes are classified as low glycemic index foods with similar glycemic indices.

Acidity

Frozen blueberries have been found to have a very acidic pH of 3.11 to 3.22 (3).

The pH of grapes can change depending on their variety. The exact number may fall anywhere from 2.8 to 3.8 (3). This makes the pH of grapes also acidic.

The potential renal acid load or PRAL is an alternative way of looking at the acidity of foods. The PRAL value demonstrates how much base or acid the food produces inside the body.

The PRAL value for blueberries has been calculated to be -1, while the PRAL value for grapes is -3.6. This means grapes are more alkaline-producing inside the organism when compared to blueberries.

Weight Loss & Diets

Blueberries and grapes are both low glycemic index foods that generally fit well in weight loss diets. In comparison, blueberries are the preferred choice between the two during low-calorie and low-carb diets.

Overall, increased consumption of fruits has been studied to have an inverse association with weight gain and weight change. In a comparison of the effects of sixteen common fruits, blueberry intake showed the least weight gain (4).

Higher habitual intake of flavonoids, such as anthocyanins, are associated with lower fat mass, independent of genetic traits and environment (5). Black grapes, and especially blueberries, are rich in anthocyanins.

Grapes are also rich in a compound called resveratrol. At higher doses, resveratrol has been demonstrated to significantly attenuate weight gain in mice (6).

Grape seed extract intake has also expressed beneficial properties for the suppression of obesity induced by a high-fat diet (7).

Health Impact

Health Benefits

The dark coloring of blueberries and black grapes owes to a phytochemical named anthocyanin contained in both of these fruits. As shown before, anthocyanins are responsible for many beneficial qualities that blueberries and grapes possess. Blueberries contain almost three times more anthocyanins in comparison to purple grapes (8).

Cardiovascular Health

Higher flavonoid intake, anthocyanins, in particular, has been correlated with a reduction in the risk of cardiovascular and all-cause mortality (9). Other studies have shown the dietary intake of anthocyanins to reduce the risk of cardiovascular diseases, such as coronary artery disease, fatal and non-fatal myocardial infarction, and hypertension (8).

Berry intake is said to slow atherosclerosis progression and preserve blood pressure and vascular function by preventing the generation of free radicals, attenuating inflammatory gene expression, and upregulating endothelial nitric oxide content. Berries can also downregulate foam cell formation, which plays a significant role in the development of atherosclerosis (10).

Epidemiological studies show that consumption of grapes, wine, and other grape products is correlated with a decreased risk of cardiovascular disease. Polyphenols, found in grapes, potentially reduce atherosclerosis risk by inhibiting platelet aggregation, improving endothelial function, lowering blood pressure, inhibiting the oxidation of low-density lipoproteins, and reducing inflammation (11).

Diabetes

Multiple studies have found an association between anthocyanin and blueberry consumption and a decreased risk of prediabetes or type 2 diabetes mellitus (8).

The antidiabetic properties of blueberries are said to be expressed by increasing insulin sensitivity, reducing body fat, inhibiting inflammatory responses, and modifying insulin-dependent and independent cellular pathways (12).

Grapes and grape products are rich in polyphenols with antioxidant and anti-inflammatory properties, which may express protective effects against metabolic disorders that occur in type 2 diabetes (13).

Polyphenols in grapes, such as quercetin, myricetin, and resveratrol, possess a strong ability to ameliorate biological mechanisms responsible for hyperglycemia (14).

Cancer

Due to the high content of polyphenols and vitamins found in both of these fruits, they possess significant antioxidant and anti-inflammatory qualities. These properties can help inhibit cancer cell formation and increase apoptosis (15).

There have been studies showing the chemoprotective ability of grapes or grape products against cancers of skin, colorectum, prostate, and breast, as well as lung and gastric cancers (16).

Studies about the chemoprotective properties of blueberries have revolved around gastrointestinal cancers, breast cancer, and endothelial cell neoplasms (15).

There is also probable evidence that dietary fiber decreases the risk of colorectal cancer and that consumption of fruits and non-starchy vegetables combined reduces the risk of aerodigestive cancers, such as mouth, pharynx, larynx, esophagus, lung, stomach, and colorectal cancers (17, 18).

Limited suggestive evidence can be found that fruit, especially rich in vitamin C, may decrease the risk of lung cancer (17, 18).

Other Benefits

Anthocyanins found in blueberries have been studied to possess neuroprotective properties and ocular disease risk-reducing qualities (8).

Downsides and Risks

Fruits grown with the aid of pesticides may carry pesticide residue as a result. Both blueberries and grapes can be treated with pesticides. Consumption of organic fruits reduces this risk.

References

  1. Common Types Of Blueberries: Best Varieties Of Blueberry For Gardens
  2. https://academic.oup.com/ajcn/article/114/5/1625/6320814
  3. pH values of foods and food products
  4. https://pubmed.ncbi.nlm.nih.gov/26394033/
  5. https://pubmed.ncbi.nlm.nih.gov/28100511/
  6. https://www.nature.com/articles/pr2007137
  7. https://pubmed.ncbi.nlm.nih.gov/22754935/
  8. https://academic.oup.com/advances/article/11/2/224/5536953
  9. https://pubmed.ncbi.nlm.nih.gov/28472215/
  10. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3068482/
  11. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2728695/
  12. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5187542/
  13. https://academic.oup.com/jn/article/139/9/1794S/4670548
  14. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5481737/
  15. https://pubmed.ncbi.nlm.nih.gov/23387969/
  16. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2728696/
  17. https://www.aicr.org/cancer-prevention/food-facts/blueberries/
  18. https://www.aicr.org/cancer-prevention/food-facts/grapes/
Article author photo Victoria Mazmanyan
Education: General Medicine at YSMU
Last updated: February 08, 2021

Infographic

Blueberry vs Grape infographic
Infographic link

Comparison summary table

Pay attention to the most right column. It shows the amounts side by side, making it easier to realize the amount of difference.
Blueberry Grape
Lower in glycemic index ok
Lower in Sugar ok
Lower in Sodium ok
Lower in Saturated Fat ok
Lower in price ok
Lower in Cholesterol Equal
Rich in minerals Equal
Rich in vitamins Equal

All nutrients comparison - raw data values

Nutrient Blueberry Grape Opinion
Net carbs 12.09g 16.25g Grape
Protein 0.74g 0.63g Blueberry
Fats 0.33g 0.35g Grape
Carbs 14.49g 17.15g Grape
Calories 57kcal 67kcal Grape
Starch 0.03g g Blueberry
Fructose 4.97g g Blueberry
Sugar 9.96g 16.25g Blueberry
Fiber 2.4g 0.9g Blueberry
Calcium 6mg 14mg Grape
Iron 0.28mg 0.29mg Grape
Magnesium 6mg 5mg Blueberry
Phosphorus 12mg 10mg Blueberry
Potassium 77mg 191mg Grape
Sodium 1mg 2mg Blueberry
Zinc 0.16mg 0.04mg Blueberry
Copper 0.057mg 0.04mg Blueberry
Vitamin A 54IU 100IU Grape
Vitamin E 0.57mg 0.19mg Blueberry
Vitamin D 0IU 0IU
Vitamin D 0µg 0µg
Vitamin C 9.7mg 4mg Blueberry
Vitamin B1 0.037mg 0.092mg Grape
Vitamin B2 0.041mg 0.057mg Grape
Vitamin B3 0.418mg 0.3mg Blueberry
Vitamin B5 0.124mg 0.024mg Blueberry
Vitamin B6 0.052mg 0.11mg Grape
Folate 6µg 4µg Blueberry
Vitamin B12 0µg 0µg
Vitamin K 19.3µg 14.6µg Blueberry
Tryptophan 0.003mg 0.003mg
Threonine 0.02mg 0.017mg Blueberry
Isoleucine 0.023mg 0.005mg Blueberry
Leucine 0.044mg 0.013mg Blueberry
Lysine 0.013mg 0.014mg Grape
Methionine 0.012mg 0.021mg Grape
Phenylalanine 0.026mg 0.013mg Blueberry
Valine 0.031mg 0.017mg Blueberry
Histidine 0.011mg 0.023mg Grape
Cholesterol 0mg 0mg
Trans Fat 0g 0g
Saturated Fat 0.028g 0.114g Blueberry
Monounsaturated Fat 0.047g 0.014g Blueberry
Polyunsaturated fat 0.146g 0.102g Blueberry

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Blueberry Grape
Low Fats diet ok
Low Carbs diet ok
Low Calories diet ok
Low glycemic index diet ok

People also compare

Vitamin and Mineral Summary Scores

The summary score is calculated by summing up the daily values contained in 300 grams of the product. Obviously the more the food fulfills human daily needs, the more the summary score is.
Vitamin Summary Score
12
Blueberry
11
Grape
Mineral Summary Score
7
Blueberry
7
Grape

Macronutrients Comparison

Macronutrient comparison charts compare the amount of protein, total fats, and total carbohydrates in 300 grams of the food. The displayed values show how much of the daily needs can be covered by 300 grams of food.
Protein
4%
Blueberry
4%
Grape
Carbohydrates
14%
Blueberry
17%
Grape
Fats
2%
Blueberry
2%
Grape

Comparison summary

Which food is lower in glycemic index?
Grape
Grape is lower in glycemic index (difference - 4)
Which food is lower in Sugar?
Blueberry
Blueberry is lower in Sugar (difference - 6.29g)
Which food contains less Sodium?
Blueberry
Blueberry contains less Sodium (difference - 1mg)
Which food is lower in Saturated Fat?
Blueberry
Blueberry is lower in Saturated Fat (difference - 0.086g)
Which food is cheaper?
Blueberry
Blueberry is cheaper (difference - $0.2)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food is richer in minerals?
?
It cannot be stated which food is richer in vitamins. See the charts below for detailed information. See the charts below for detailed information. See the charts below for detailed information.
Which food is richer in vitamins?
?
It cannot be stated which food is richer in vitamins. See the charts below for detailed information. See the charts below for detailed information. See the charts below for detailed information.

References

The source of all the nutrient values on the page (excluding the main article the sources for which are presented separately if present) is the USDA's FoodCentral. The exact links to the foods presented on this page can be found below.

  1. Blueberry - https://fdc.nal.usda.gov/fdc-app.html#/food-details/171711/nutrients
  2. Grape - https://fdc.nal.usda.gov/fdc-app.html#/food-details/174682/nutrients

All the Daily Values are presented for males aged 31-50, for 2000 calorie diets.

Data provided by FoodStruct.com should be considered and used as information only. Please consult your physician before beginning any diet.