Carob and Calcium Content
Carob is a fruit that attracts attention especially in terms of calcium and potassium when its mineral composition is examined. In some sources, expressions such as "carob contains more calcium than milk" are encountered. Although this statement seems correct in terms of 100-gram values, a more balanced evaluation is required when portion, usage and absorption are taken into account.
In this article, we discuss the calcium content of carob together with the database and research results, compare it with milk and cocoa, and summarize its overall mineral profile along with other minerals.
How Much Calcium Does Carob Contain?
The US Department of Agriculture's FoodData Central database reports approximately 348 mg of calcium per 100 grams for carob flour (USDA FoodData Central, FDC 173755). This value is remarkable for a fruit-based food.
In a study conducted in Turkey, homemade carob powder prepared from carob obtained from southern and southwestern Turkey was compared with commercial carob flour. The amount of calcium over dry matter was measured as 3,040 μg per gram in homemade powder and 2,910 μg in commercial flour; no statistically significant difference was found between the two products. These values correspond to approximately 304 mg and 291 mg of calcium per 100 grams of dry matter (Ayaz et al., 2009). The researchers concluded that carob flour provides useful amounts of protein, essential fatty acids, calcium, and other minerals both when prepared at home and industrially.
In a review evaluating studies on carob products, it is stated that carob flour can be considered to contain high amounts of calcium (Rodríguez-Solana et al., 2021). On the other hand, it is emphasized in the same review that the mineral content of carob fruit may vary according to variety, geographical origin, agricultural practices and environmental conditions. Therefore, it is more accurate to talk about a range instead of accepting a single figure as the "calcium value of carob".
Comparison with Milk: 100 Grams or Portions?
The calcium content of carob is most often compared to milk. According to USDA data, 100 grams of whole cow's milk contains about 113 mg of calcium (USDA FoodData Central, FDC 172217). At first glance, carob flour appears to contain about three times the calcium per gram of milk as milk.
However, this comparison alone can be misleading; because no two foods are consumed in the same amounts. Milk is drunk in a glass, that is, about 200 grams, while carob flour or powder is usually used in the measure of one or two teaspoons or a few tablespoons in a recipe.
| Food and quantity | Approximate calcium | Calculation basis |
|---|---|---|
| Carob flour, 100 g | 348 mg | USDA FDC 173755 |
| Carob flour, 10 g (approx. 2 teaspoons) | 35 mg | Via USDA FDC 173755 |
| Whole milk, 100 g | 113 mg | USDA FDC 172217 |
| Whole milk, 200 g (about 1 cup) | 226 mg | Via USDA FDC 172217 |
| Unsweetened cocoa powder, 100 g | 128 mg | USDA FDC 169593 |
As seen from the table, when realistic portions are used, a glass of milk provides much more calcium than a few spoonfuls of carob flour. Therefore, the statement "carob contains more calcium than milk" is only valid for values of 100 grams; carob does not replace milk as a source of calcium in the daily diet. It should also be noted that spoon sizes may vary depending on the density of the product; the portion values in the table are approximate calculations.
On the other hand, it can be said that carob is richer in calcium than cocoa. According to USDA records, 100 grams of unsweetened cocoa powder contains approximately 128 mg of calcium, while this value is approximately 348 mg in carob flour. In a recipe that uses carob powder instead of cocoa, it can be expected that the calcium additive will increase slightly.
General Mineral Profile of Carob
Evaluating carob only with calcium would be to overlook its entire mineral profile. It is reported that carob fruit contains between 1 and 6 percent of minerals, with calcium, potassium, magnesium, sodium, phosphorus, copper, zinc, and iron being the leading ones (Buzzanca et al., 2025; Özcan et al., 2007).
| Mineral (100 g carob flour) | Quantity |
|---|---|
| Potassium | 827 mg |
| Calcium | 348 mg |
| Phosphorus | 79 mg |
| Magnesium | 54 mg |
| Sodium | 35 mg |
| Iron | 2.94 mg |
| Zinc | 0.92 mg |
| Copper | 0.57 mg |
| Manganese | 0.51 mg |
Source: USDA FoodData Central, FDC 173755.
In this table, it is seen that potassium is by far the most abundant mineral. In studies on carob syrups, it is reported that potassium is the most abundant macroelement, followed by calcium, phosphorus, magnesium and sodium (Rodríguez-Solana et al., 2021). The low sodium and high potassium structure of carob is one of the remarkable aspects of its mineral profile.
Compared to cocoa, the picture is mixed: Cocoa powder; It is significantly richer in magnesium, phosphorus, iron and zinc than carob. According to USDA data, 100 grams of unsweetened cocoa powder contains approximately 499 mg of magnesium and 734 mg of phosphorus. The mineral in which carob stands out is calcium. For this reason, it is more accurate to evaluate the two products not with the question of "which is more nutritious", but with how they differ in terms of which mineral.
Differences Between Fruit Flesh, Seed and Molasses
Which part of carob is consumed directly affects mineral intake. The study examining the mineral composition of the fruit flesh and seeds of wild and grafted carob fruits in Turkey showed that the seeds are an important source of macro and micro minerals (Öziyci et al., 2014). In the reviews on carob products, it is stated that the whole fruit, that is, the products processed with seeds, also contain phosphorus, potassium, calcium, magnesium and some trace elements from the seed (Rodríguez-Solana et al., 2021).
The situation is different with carob molasses. In the study comparing fruit, flour and molasses in Turkey, it was reported that molasses had the lowest values among the products examined in terms of many minerals, including calcium (Özcan et al., 2007; cited in Rodríguez-Solana et al., 2021). This is because in molasses production, only water-soluble components are extracted and most of the fibrous part is separated.
| Carob flour/powder | It is obtained by grinding the fruit flesh; calcium and fiber content is preserved. |
| Carob seeds | Although it is rich in minerals, it is not eaten directly due to its hard structure, but is used by processing. |
| Carob molasses | It is dense in sugar and poorer in minerals than fruits and flour. |
Absorption of Calcium and Bioavailability
The amount of calcium contained in a food does not alone determine how much the body will benefit from this calcium. Some components found in plant foods can affect mineral absorption. Carob; It is a fruit that contains tannins, other polyphenols, and high amounts of dietary fiber (Buzzanca et al., 2025). We did not come across a human study that directly measures how these components affect the absorption of calcium in carob in the sources we reviewed for this article.
At the end of their study, Ayaz et al. (2009) specifically stated that the bioavailability of minerals and trace elements in carob flour should be investigated in the future. Therefore, while evaluating the calcium content of carob as a positive feature, it is necessary to avoid definitive judgments about absorption.
When it comes to bone health, vitamin D, protein, physical activity and general diet are also decisive in addition to calcium. In the USDA record, it is seen that carob flour does not contain vitamin D. It is important for people who have a problem with bone health or who are recommended to use calcium supplements to plan their diet together with a physician or dietitian.
Carob for Those Who Can't Consume Milk
It is important to diversify calcium sources for people who are lactose intolerant, do not consume dairy products or eat a plant-based diet. Carob can make a small contribution to this diversity. For example, a hot drink with carob prepared with herbal drinks offers more calcium and caffeine-free than a cocoa drink.
However, it is not correct to see carob as the main source of calcium. The portions used are small and the natural sugar content of carob is also high; According to the USDA record, 100 grams of carob flour contains about 49 g of sugar. Increasing the amount of carob to increase calcium intake also increases sugar and energy intake.
Frequently Asked Questions
Does carob really contain more calcium than milk?
On a 100-gram basis, yes; carob flour contains about 348 mg of calcium, while whole milk contains about 113 mg. However, in realistic portions, a glass of milk provides much more calcium than a few spoonfuls of carob flour.
Is carob molasses a good source of calcium?
Molasses showed lower mineral values than fruit and flour in a comparative study conducted in Turkey. It does not stand out as a product to be consumed for calcium purposes.
Does carob or cocoa have more calcium?
According to USDA data, carob flour contains about two and a half times the calcium of unsweetened cocoa powder. In contrast, cocoa is richer in magnesium, phosphorus, iron and zinc.
Does carob strengthen bones?
We have not been able to find human studies showing the direct effect of carob on bone health. While calcium content is a positive trait, bone health depends on many factors.
Mineral Richness of Carob with Carob Türkiye
Carob; It is a low-fat and caffeine-free natural raw material that attracts attention in terms of calcium and potassium. While it is used as an alternative to cocoa in many formulations from bakery products to beverages, from breakfast products to snacks, it can also contribute to the mineral profile of the product.
At Carob Türkiye, we supply carob fruit, crumbs, flour/powder, kernel and extract. For the characteristics of carob flour What is Carob Flour Powder? Our article and Carob Flour / Powder You can review our product page. For your wholesale and export requests Contact Now You can contact us on our page.
This content is for informational purposes only; it is not a substitute for medical advice.
Domestic resources
Ayaz, F. A., Torun, H., Glew, R. H., Bak, Z. D., Chuang, L. T., Presley, J. M., Andrews, R., "Nutrient Content of Carob Pod (Ceratonia siliqua L.) Flour Prepared Commercially and Domestically", Plant Foods for Human Nutrition, 64(4), 286–292, 2009. doi.
org/ 10. 1007/ S11130- 009- 0130- 3 Özcan, M. M., Arslan, D., Gökçalık, H., "Some Compositional Properties and Mineral Contents of Carob (Ceratonia siliqua) Fruit, Flour and Syrup", International Journal of Food Sciences and Nutrition, 58, 652–658, 2007. doi.
org/ 10. 1080/ 09637480701395549 Öziyci, H. R., Tetik, N., Turhan, İ., Yatmaz, E., Uçgun, K., Akgül, H., Gübbük, H., Karhan, M., "Mineral Composition of Pods and Seeds of Wild and Grafted Carob (Ceratonia siliqua L.) Fruits", Scientia Horticulturae, 167, 149–152, 2014. doi.
org/ 10. 1016/ j. Scienta. 2014. 01. 005 Foreign sources
U.S. Department of Agriculture, Agricultural Research Service, "Carob flour (FDC ID 173755)", FoodData Central – SR Legacy. FDC.
horseshoes. USDA. gov/ food- details/ 173755/ Nutrients U.S. Department of Agriculture, Agricultural Research Service, "Milk, whole, 3.25% milkfat, without added vitamin A and vitamin D (FDC ID 172217)", FoodData Central – SR Legacy. FDC.
horseshoes. USDA. gov/ food- details/ 172217/ Nutrients U.S. Department of Agriculture, Agricultural Research Service, "Cocoa, dry powder, unsweetened (FDC ID 169593)", FoodData Central – SR Legacy. FDC.
horseshoes. USDA. gov/ food- details/ 169593/ Nutrients Rodríguez-Solana, R., Romano, A., Moreno-Rojas, J. M., "Carob Pulp: A Nutritional and Functional By-Product Worldwide Spread in the Formulation of Different Food Products and Beverages. A Review", Processes, 9(7), 1146, 2021. doi.
org/ 10. 3390/ pr9071146 Buzzanca, C., D'Amico, A., Pistorio, E., Di Stefano, V., Melilli, M. G., "Carob-Based Functional Beverages: Nutritional Value and Health Properties", Beverages, 11(1), 1, 2025. doi.
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