The tiny water-borne vegetable makes a big splash with researchers.
Mankai, a small, nutrient-packed duckweed, has a significant impact on the blood sugar level of Type 2 diabetics, according to a new study.
Researchers from Ben-Gurion University and Harvard University conducted the study at two locations in Israel and observed the effects of Mankai, a type of aquatic plant that floats in large quantities in water, forming an apparent layer of green on the water’s surface.
“The study demonstrates that consuming Mankai after meals can lead to significant reductions in blood sugar levels,” Dr. Gal Tsaban, a researcher at Ben Gurion University of the Negev (BGU) and first author of the study, said in a statement. “This finding introduces a promising new option for managing diabetes and reducing associated complications.”
Mankai Reduced Blood Sugar Levels
The study, published on Aug. 12 in the Diabetes, Obesity and Metabolism journal, focused on the effects of Mankai on the glucose level of diabetic patients after their meal.
Blood sugar after meals is a critical measure for the management of diabetes.
Forty diabetic patients were split into two groups, one of which would drink a blend of raw Mankai and water after dinner. The other group would drink a glass of water.
Each group followed this routine for two weeks. Then, the groups switched drinks, so each group had two weeks of the Mankai drink and two weeks of water. All of the participants were diabetic patients, with a median age of 65 years.
On days when the participants drank the Mankai, they had a 20 percent reduction in post-meal blood sugar levels and a faster return to their levels prior to their dinners. About two-thirds of the participants experienced this improvement. The blood sugar levels after eating is an important health indicator. If the level is regularly high, there is a higher risk of adverse health conditions, including stroke and heart disease.
Iris Shai, professor of nutrition and epidemiology at BGU and Harvard, told The Epoch Times that the plant’s ability to reduce blood sugar levels is probably due to many factors, including faster and improved absorption of glucose, and high insulin sensitivity, which allows cells to use blood glucose more effectively.
“To the best of our knowledge, this is one of the first studies to show that adding a specific food may mitigate postprandial glucose levels,” the researchers said.
Shai has also worked on previous studies involving Mankai, including a 2019 study of its affect on obese people. That trial showed that patients who drank a Mankai shake, as compared to those who drank a yogurt shake for dinner, had a lower blood sugar spike.
Both the Mankai shake and the yogurt shake had the same amount of carbohydrates and similar levels of fat and protein.
Smallest Flowering Plant
Mankai is the trade name of a patented duckweed species related to Wolffia globosa. Duckweeds are aquatic plants found floating in freshwater ponds, marshes, and lakes in Southwest Asia and North America.
Cultivated by Hinoman Ltd., an Israeli company, Mankai is grown hydroponically. Duckweeds are the world’s smallest flowering plants, and Mankai is even smaller than most duckweeds, measuring about 0.5 milimeters in diameter.
Hinoman Ltd. supplied the researchers with the Mankai for this study. The researchers received grants from the German Research Foundation, the Israel Ministry of Health, and the Israel Ministry of Science and Technology.
Shai, who is also a member of Israel’s government health committee for nutrition regulations, said Mankai is rich in essential nutrients, including proteins, iron, and vitamin B12.
“Mankai is an environmentally sustainable crop, requiring less water and resources compared to traditional crops, aligning with ecological sustainability goals,” Shai told The Epoch Times. “Its inclusion in a balanced diet may contribute to both individual health and broader environmental benefits.”
“These effects are driven by its high fiber and protein content,” Shai said, adding that its rich array of various compounds work together to provide a comprehensive approach to glucose regulation. “Studies are needed to explore the exact mechanisms by which Mankai influences glucose metabolism, gut microbiota, and inflammatory pathways.”
Diabetics Could Benefit From Mankai
Shai said Mankai could be beneficial for two-thirds of diabetic patients, based on current findings.
“It is important for diabetic patients to consult with their healthcare providers before making dietary changes to ensure that Mankai fits well into their overall treatment plan and does not interfere with any medications or other dietary requirements,” Shai said. “Further longer studies are needed and in more diverse populations to explore this phenomenon.”
Important Notice: This article was originally published at www.theepochtimes.com by Huey Freeman where all credits are due.
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