Henrik Smith (1495 – ca. We’ll be watching the story on duckweed and have added a section on the topic to the Vegan Health website. Pedanius Dioscorides (1st century AD) recommended duckweed against St. Anthony’s fire (Erysipelas). Duckweed has been eaten in parts of Asia for a very long time and it is only now that the West has started to evaluate its potential benefits for human consumption. Your email address will not be published. But right now, we need much more information before we can conclude that it’s a reliable source of the vitamin. The results of an October 2020 study support the idea that Mankai duckweed might be a plant-based source of B12. The exact amount of Vitamin B-12 needed for normal optimal bodily function and development depends largely on one’s age. A group of researchers has been examining whether Mankai can serve as a plant-based source of vitamin B12, and we explained some of their preliminary research in Is Duckweed a Source of Vitamin B12? Kaplan A, Lapidot M, Sela I, Shai I. Nutrients. Will you please also review and comment on b12 fortified toothpaste? Kaplan A, Lapidot M, Sela I, Shai I. Only one published study has measured the amount of vitamin B12 in duckweed (1). If the study’s results were replicated, we’d be able to at least begin considering Mankai as a reliable source of B12 for vegans. 2019 Dec;38(6):2576-2582. Scientists say they have discovered a plant-based source of Vitamin B12 in water lentils. Weekly email of nutrition tips and comfort foods! LENTEIN® plant protein has a complete amino acid profile and high digestibility. Notify me of followup comments via e-mail. This is … Vitamin B12 is produced by bacteria found in soil as well as in the guts of animals, which for these purposes includes humans. 2019 Dec;38(6):2576-2582. Mankai-supplemented samples displayed significantly more gene sequences associated with B12 uptake than did control samples lacking Mankai. Supplements and Specialized Nutrition. Clin Nutr. Clin Nutr. Jahreis G, Appenroth KJ, Sree KS, Dawczynski C. Letter to original article by Kaplan et al. Required fields are marked *. This latest report lends significantly more credence to the possibility. 1. In this study, male subjects consumed a cutlet made from duckweed that reportedly contained 2.81 micrograms of vitamin B12 per serving, which is just a little bit more than the RDA. 2019 Oct;38(5):2463. Wolffia globosa is commonly known as Mankai, and is a type of duckweed. Clin Nutr. Green Mediterranean (Green-MED) group: Participants were instructed to follow the MED diet, avoid red and processed meat, and to consume 3–4 cups/day of 100 g frozen cubes of Mankai in a green shake. It is frequently observed that animals, such as ducks, swans, or geese, feed on duckweeds growing naturally in ponds or lakes. 2019 Oct;38(5):2464. Mankai is an ancient green that’s revolutionizing the future of plant-based, sustainable food. Lentein, derived from the duckweed plant, was already an impressive nutrient-dense plant-based protein source rich in amino acids and omega-3s. Of course, more studies are needed, but it could be a useful B12 source for some vegans in Thailand – if these results get confirmed and reversal of B12 deficiency is shown … would be nice. Thank you to our intern, Shelby Stevens, for summarizing this article. We want to advise a little caution before you ditch your B12 supplements. Dietary B-12 Recommendations. Vitamin B12 deficiency. Some research has associated ALA intake […], We’ve added a new article, Low-FODMAP Diet for Vegans. Previous studies have demonstrated Mankai duckweed’s viability as a healthy protein source as well as a unique source of B12. Parabel grows duckweed and processes into a plant-based protein powder known as Lentein. These pl… Clin Nutr. 2019 Oct;38(5):2463. Right now, the research on duckweed as a source of vitamin B12 is limited. For instance, an infant requires … This is always necessary to absolutely determine if the B12 found in a food is active for humans and that no inactive B12 analogs are interfering with its activity. Vegan Health – While it’s common for aquatic plants to be contaminated with bacteria that can produce vitamin B12, these researchers suggested that bacteria inside the plant are producing vitamin B12 (1, 3), which is a unique finding. I posted an Update on Mankai Duckweed as a Source of B12 about the latest paper yesterday. We cannot provide personal nutrition advice for specific health conditions. Studies have also found that it has a significantly positive effect on blood sugar levels. The amino acid profile is similar to a whey protein with a high percentage of BCAA's. The B12 intake of the diet groups wasn’t assessed. This flowering duckweed water plant was already known to be nutrient dense, but the surprising discovery of its vitamin B12 content is attracting industry attention. Both the MED and Green-MED groups increased their milk and egg consumption, and the Green-Med group also increased fish consumption making it impossible to tell if the increase in serum B12 levels was from animal foods or from Mankai. Sela I, Yaskolka Meir A, Brandis A, Krajmalnik-Brown R, Zeibich L, Chang D, Dirks B, Tsaban G, Kaplan A, Rinott E, Zelicha H, Arinos S, Ceglarek U, Isermann B, Lapidot M, Green R, Shai I. Wolffia globosa-Mankai Plant-Based Protein Contains Bioactive Vitamin B12 and Is Well Absorbed in Humans. The plant in question is duckweed, an aquatic plant also known as water lentils. This is an exciting nutritional development at a time when plant-based diets are being adopted in greater numbers. Duckweed for human nutrition: no cytotoxic and no anti-proliferative effects on human cell lines. While research is at a very early stage, the evidence so far suggests that this plant is highly sustainable and could provide an excellent source of nutrients for an affordable … Protein bioavailability of Wolffia globosa duckweed, a novel aquatic plant – A randomized controlled trial. Scientists have discovered a source of bioactive vegan vitamin B12 in water lentils, also known as duckweed. Required fields are marked *. It is an excellent source of proteins as well as being a unique source of plant-based vitamin B-12. Update, a 9th source of vitamin B12 rich foods for vegans has been added to the bottom of list, called water lentils (duckweed). Vegan Society Dietitian Heather Russell explains why we recommend fortified foods and supplementation as sources of this nutrient. The researchers took precautions to avoid bacterial contamination of the Mankai from external sources. We urge you to consult with a qualified health professional for answers to your personal questions. 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