Preprint Article Version 1 This version is not peer-reviewed

Vitamin D Content of Australian Native Food Plants and Australian-Grown Edible Seaweed

Version 1 : Received: 24 May 2018 / Approved: 24 May 2018 / Online: 24 May 2018 (09:27:21 CEST)

A peer-reviewed article of this Preprint also exists.

Hughes, L.J.; Black, L.J.; Sherriff, J.L.; Dunlop, E.; Strobel, N.; Lucas, R.M.; Bornman, J.F. Vitamin D Content of Australian Native Food Plants and Australian-Grown Edible Seaweed. Nutrients 2018, 10, 876. Hughes, L.J.; Black, L.J.; Sherriff, J.L.; Dunlop, E.; Strobel, N.; Lucas, R.M.; Bornman, J.F. Vitamin D Content of Australian Native Food Plants and Australian-Grown Edible Seaweed. Nutrients 2018, 10, 876.

Journal reference: Nutrients 2018, 10, 876
DOI: 10.3390/nu10070876

Abstract

Vitamin D has previously been quantified in some plants and algae, particularly in leaves of the Solanaceae family. We measured the vitamin D content of Australian native food plants and Australian-grown edible seaweed. Using liquid chromatography with triple quadrupole mass spectrometry, 13 samples (including leaf, fruit and seed) were analysed in duplicate for vitamin D2, vitamin D3, 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3. Five samples contained vitamin D2: raw wattleseed (Acacia victoriae) (0.03 µg/100 g dry weight (DW)); fresh and dried lemon myrtle (Backhousia citriodora) leaves (0.03 and 0.24 µg/100 g DW, respectively); dried leaves and berries of Tasmanian mountain pepper (Tasmannia lanceolata) (0.67 and 0.05 µg/100 g DW, respectively). Fresh kombu (Lessonia corrugata) contained vitamin D3 (0.01 µg/100 g DW). Detected amounts were low; however, it is possible that exposure to ultraviolet radiation may increase the vitamin D content of plants and algae if vitamin D precursors are present.

Subject Areas

LC-QQQ; liquid chromatography; triple quadrupole; vitamin D; 25(OH)D; plants; algae

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