Jamun (Syzygium cumini), also known as Java Plum is an integral part of the Indian summer just as strawberries are an attribute of summer in Europe. Jamun fruits in size and shape resemble large dark nuts and grow on tall shady trees that protect from heat and scorching sun in summer.
Jamun grows mainly in the India and also in Southeast Asia, although it can be found very far — in Hawaii and in Zanzibar. In addition to being eaten raw, dried and powdered fruits can be used as a preparation, treating digestive disorders, and it can be used as a flavoring for your gravy too. In India, they also make quite popular vinegar from fermented Java Plum fruit, and in the Philippines, they produce wine, liqueur and brandy with a pleasant aroma and mild flavor.
The seeds of Jamun are extremely popular as a natural antihyperglycemic agent, they are often used for diabetes and overweight treatments.
How Does Jamun Help in Diabetes Blood Sugar Control?
For thousands of years, ancient doctors successfully treated diabetes with Ayurvedic treatments and remedies. Many of them are still used to treat diabetes. They help in the fight against diabetes, not only lowering blood sugar levels, but also strengthening the body. A prominent representative of this class of preparations is Jamun.
All parts of the Java Plum tree have anti-diabetic properties. But the key ingredient, which is responsible for its anti-diabetic properties, contains in the seeds of the Java Plum fruit.
Modern medicine has also become interested in jamun in the recent years. In a number of studies Jamun has been reported to have medicinal benefits in anti-diabetic treatment. Several recent studies show that Java Plum could reduce one’s blood sugar level and increase the availability of insulin by up to 30 percent.
In one three-month placebo-controlled study patients with type 2 diabetes (a total of 100 men) were randomly allocated into two even subgroups — Group A was given ten grams per day jamun seed powder and Group B was supplemented with 10 grams per day placebo powder. Neither Patients nor researchers knew about the treatment they got.
Results of the study were excellent: In Group A, blood sugar level decreased by 8% after one month, 15% after two months, and 22% after three months, respectively. In Group B, blood sugar levels left without significant changes.
Jamun seeds not only relieve the symptoms of diabetes but also the symptoms of complications, that are related to the decease. It is well known, for example, that Diabetes usually tend to raise the risk of peptic ulcers. According to research published in the Indian Journal of Physiology and Pharmacology, components of seeds of Jambul can have a protective effect on the gastric mucosa and can reduce the possibility of developing peptic ulcer disease by normalizing gastric secretion.
Jamun as a Potential Cure to Treat and Prevent Cancer
Despite the significant advances in modern medicine in studying the causes of cancer, the number of cancer victims in the world is growing from year to year, as evidenced by the disappointing statistics of the International Agency for Research on Cancer. According to it, in 2025, due to the aging of the Earth’s population, cancer will be diagnosed each year in 19.3 million people.
Therefore, the primary task for science is to look for natural alternatives for the prevention and treatment of cancer. Traditional medicinal plants and traditional medicine provide such an alternative. The anticancer potential of Jamun containing many bioactive ingredients attracts close attention of scientists all over the world.
Breast cancer is known as the most common cancer diagnosed in women. So, researches spend a lot of time and effort trying to study the impact of jamun plant-based drugs on the breast cancer.
In one study, evidence was obtained that a diet rich in jamun could prevent Hormonal Breast Cancer in mice.
In another laboratory study, the effect of Jamun Fruit Extract on breast cancer cells was studied. They found that extract of Jamun Fruit Pulp effectively kills cancer breast cells but not healthy breast cells. This study reveals the great potential of Jamun fruit in treating breast cancer.
Jamun should not be eaten in case of individual sensitivity, and also if serious pathologies of the gastrointestinal tract are present.
Java plum is pretty safe, but some studies have reported side-effects of exceeding maximum recommended dose. A few side effects were reported, such as nausea and constipation.
Anyway, be sure to consult with your doctor or pharmacist before taking any part of Jamun tree.
Where to buy
Multiple studies were conducted about shelf life of Jamun products (raw fruits, juices etc.). Results are unambiguous – the shelf life of the products is very long. Even after six months of storage the appearance, colour, flavour, texture, taste and overall acceptability were found to be good and completely fit for human consumption. Widely available to buy online, Jamun products (fresh, dried or frozen fruit, Jamun juices, Jamun Vinegar, seed powder etc.) are sold in many health-food shops.
The fruit has numerous health benefits, preventing serious diseases, so it is good idea to consume it regularly. Especially since the Jamun products easily available in the market.