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Get active vitamin D by eating Solanum Glaucophyllum leaves – Sept 2013

The efficacy of a standardised product from dried leaves of Solanum glaucophyllum as source of 1,25-dihydroxycholecalciferol for poultry.

Br Poult Sci. 2013;54(5):642-52. doi: 10.1080/00071668.2013.825692. Epub 2013 Sep 23.
Bachmann H1, Autzen S, Frey U, Wehr U, Rambeck W, McCormack H, Whitehead CC.
a Herbonis AG , Augst , Switzerland.

  • 1.Chemical characterisation of an extract of Solanum glaucophyllum (SG) leaves affirmed the predominant presence of 1,25-dihydroxycholecalciferol (1,25(OH)2D3) glycosides. The compound 1-(ß-D-glucopyranosyl)-1α,25-dihydroxycholecalciferol was isolated for the first time from a natural source.
  • 2.Vitamin D activity of the extract was confirmed by the calcaemic properties shown in a quail eggshell bioassay. The results suggested a 1,25(OH)2D3 bioavailability of approximately 15%.
  • 3. A broiler feeding experiment replicated in time was carried out with 6 treatments. A basic control diet containing 25 μg cholecalciferol/kg was supplemented with 2.5 and 5 μg free 1,25(OH)2D3/kg, with a product based on dried SG leaves (Panbonis) providing 10 μg of 1,25(OH)2D3-glycosides/kg, with two concentrations of an SG extract providing 8.8 and 37.8 μg of 1,25(OH)2D3-glycosides/kg.
  • 4. Tibia breaking strength and stiffness were numerically greater in all treatment groups with free 1,25(OH)2D3 and with SG products compared to controls, though the overall treatment effects only had probabilities in the range of P = 0.07 to P = 0.1. Values for both characteristics increased progressively, with additions of synthetic 1,25(OH)2D3; values with the dried SG product were similar to those with 5 μg synthetic 1,25(OH)2D3/kg.
  • 5. Plasma calcium was mildly elevated (P < 0.05) in treatment groups. The SG extract treatment containing 37.8 μg 1,25(OH)2D3/kg gave the highest plasma calcium concentration and lowest bodyweight, signs of marginal hypervitaminosis D. Plasma 1,25(OH)2D3 concentrations were in the normal range for all treatments.
  • 6. Tibial dyschondroplasia occurred in only one replicate. The incidences were 31% in controls but considerably lower or zero with all other treatments.
  • 7. Bioavailability of 1,25(OH)2D3 in the SG product seemed to be higher in broiler chickens than in Japanese quails.
  • 8. It is concluded that the inclusion of the dried SG product as a source of vitamin D3 in broiler diets at a dietary concentration of 1 g/kg (kg of feed), providing 10 μg 1,25(OH)2D3/kg, is safe and efficacious.


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Google scholar noted that this study was reference 17 times by June 2020

Bone characteristics of broiler chickens fed diets supplemented with Solanum glaucophyllum - 2017
 Download the PDF from Sci-Hub via VitaminDWiki
Conclusions
We recommend the use of up to 1.50 µg of
1,25(OH)2D3/kg feed for broilers between 8 and
35 days of age, since the variables that indicate
bone quality (Seedor index, proportion of CPs and
NCPs, and higher calcium content) were positively
affected by this level of supplementation.


Comment by VitaminDWiki

Chickens get active vitamin D3 by eating this flower/plant
This would be a great source of vitamin D for humans who are not able to make active vitamin D as well ( liver, kidney, gut, or other problems)
Wonder how long it will be until this plant/herb available for humans?

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Attached files

ID Name Comment Uploaded Size Downloads
13877 445744667034.pdf admin 02 Jun, 2020 22:09 280.58 Kb 24
13876 bachmann2013 sci-hub.pdf admin 02 Jun, 2020 21:59 347.32 Kb 23
4200 Swiss chickens.pdf PDF admin 29 Jul, 2014 13:04 154.28 Kb 513
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