Category Archives: Vitamin K

Alfalfa: Nutrient Dense Herb

Posted on April 12, 2015 by Robert Barrington

Alfalfa (Medicago sativa) is perennial herb that belongs to the Fabaceae or legume family of plants. Alfalfa grows to around one metre in height and possesses leaves that look similar to trilobed clover leaves. Alfalfa produced purple flowers which mature … Continue reading →

Posted in Alfalfa, Antioxidant, Courmarins, Daidzein, Flavonoids, Genistein, Isoflavones, Pulses / Legumes, Saponins, Vitamin A, Vitamin B, Vitamin C, Vitamin K | Comments Off on Alfalfa: Nutrient Dense Herb

When is A Vitamin Not A Vitamin?

Posted on March 1, 2015 by Robert Barrington

Vitamins are essential organic compounds needed in small amounts for normal metabolic regulation, usually as cofactors to enzymes. They are characterised in their own group because they cannot be synthesised in the body and so must be obtained from the … Continue reading →

Posted in Beta Carotene, Carotenoids, Cholecalciferol, Ergocalciferol, Niacin, Vitamin A, Vitamin B, Vitamin D, Vitamin K | Comments Off on When is A Vitamin Not A Vitamin?

Taking The Sting Out of Nettle

Posted on November 24, 2014 by Robert Barrington

When most people think of nettles they think of stinging nettles and the rashes that can develop from contact with the leaves. However, the genus Urtica encompasses a large number of plant species that grow across North America and Europe. … Continue reading →

Posted in Antioxidant, Flavonoids, Flavonols, Gout, Histamine, Inflammation, Lignans, Quercetin, Testosterone, Vitamin A, Vitamin B, Vitamin C, Vitamin D, Vitamin E, Vitamin K | Comments Off on Taking The Sting Out of Nettle

Boost Vitamin E and Vitamin K with Sesame Seeds?

Posted on September 26, 2014 by Robert Barrington

Plant contain many chemicals that appear to show beneficial health properties in humans. Lignanas are polyphenolic plant compounds that are produced as a result of the oxidative coupling of β-hydroxyphenyl propane. Lignans are often present in plant material along with … Continue reading →

Posted in Lignans, Menaquinones, Phylloquinone, Sesame, Tocopherols, Tocotrienols, Vitamin E, Vitamin K | Comments Off on Boost Vitamin E and Vitamin K with Sesame Seeds?

Vitamin K: Depletion and Repletion

Posted on July 23, 2013 by Robert Barrington

Some knowledge regarding vitamin deficiencies is derived from human depletion and repletion studies. Subjects are fed a balanced diet which is carefully controlled to be deficient in the vitamin of choice. The researchers then assess the physiological changes in order … Continue reading →

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Diet Quality and Disease Risk

Posted on February 21, 2013 by Robert Barrington

Growing evidence suggests that diet quality plays an important role in determining future disease risk. Lifestyle diseases associated with poor quality diet include cardiovascular disease, cancer, diabetes, metabolic syndrome and obesity. However, much of the research to date has focussed … Continue reading →

Posted in Alpha Linolenic Acid, Arachidonic Acid, Calcium, Carbohydrate, Cardiovascular Disease, Carotenoids, Folate, Linoleic Acid, Mediterranean Diet, Trans Fatty Acids, Vegetables, Vitamin D, Vitamin K | Comments Off on Diet Quality and Disease Risk

Bone Metabolism and Insulin Resistance

Posted on February 1, 2013 by Robert Barrington

The complexity of the metabolic syndrome and insulin resistance is highlighted by recent findings that the vitamin K dependent protein osteocalcin, is involved in energy metabolism, adiposity and glucose homeostasis. Bone tissue may play a role in glucose metabolism because … Continue reading →

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Vitamin K and Metabolic Syndrome

Posted on November 16, 2012 by Robert Barrington

Vitamin K is found in the diet in two biologically active forms, phylloquinone (vitamin K1) and menaquinone (vitamin K2). Phylloquinone is found in green leafy plants and some oils and is the predominate form in the human diet, whereas the … Continue reading →

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Some More on Vitamin K

Posted on April 2, 2012 by Robert Barrington

Vitamin K is a group of compounds that share a similar structure, namely a 2-methyl 1,4-napthoquinone ring, with an isoprenoid chain. Phylloquinones (vitamin K1) are derived from plants, and some evidence suggest that they are the most important contributor to … Continue reading →

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Phylloquinone: Supplements Versus Foods

Posted on March 13, 2012 by Robert Barrington

Phylloquinone is a form of vitamin K found in green leafy vegetables and is the main source of vitamin K in the human diet. The bioavailability of vitamin K from vegetables has not been extensively researched and so relatively little … Continue reading →

Posted in Broccoli, Phylloquinone, Vitamin K | Comments Off on Phylloquinone: Supplements Versus Foods