Vitamin D-enriched mushrooms contain high concentrations of vitamin D2, which is bioavailable and relatively stable during storage and cooking. Therefore, the consumption of mushrooms enriched with vitamin D could contribute substantially to alleviating the global public health problem related to vitamin D deficiency. Further research is needed to determine the optimal level of UV radiation required to produce a nutritionally useful amount of vitamin D2 in fungi, along with optimal storage conditions and cooking methods. The physiological benefits of mushroom-derived vitamin D2 compared to solar-derived vitamin D3 also require further research.
Exposure to ultraviolet light during the growth phase is essential for obtaining vitamin D from fungi. This is an important point that many articles promoting mushrooms for vitamin D omit. Without some kind of exposure to ultraviolet light, most fungi have almost no vitamin D. For example, the common button mushroom has about 7 IU of vitamin D per 100 grams, which is nothing to celebrate.
Rickets can be caused by vitamin D deficiency, calcium deficiency, acquired and inherited disorders of vitamin D, calcium and phosphorus metabolism. This indicates that the duration of cooking and the cooking method can be important factors in the retention of vitamin D2 in mushrooms. According to a position statement on vitamin D published by the Medical Journal of Australia, when sun exposure is minimal, people 70 years and older should receive at least 600 IU (15 mcg) per day. Holick's research also found that those who stay indoors, due to illness, disability, or lifestyle, significantly lack adequate levels of vitamin D.
The peak with a retention time of 10.6 min had λmax UV absorption at 265 nm and was consistent with vitamin D2 (Fig. I choose to get lots of sunlight and eat lots of mushrooms, but each person needs to find the strategies that best support their health. UV-irradiated fungi revealed the presence of previtamin D3 with a retention time of 6.3 min in the straight phase; its presence was confirmed by chromatography after conversion to vitamin D3.As a follower of the holistic paradigm, I understand the deep interconnection of the factors that will influence both: their ability to absorb these nutrients, as well as the amount of vitamin D in a particular fungus. A study of the bioavailability of vitamin D2 in fungi compared to the bioavailability of vitamin D2 or vitamin D3 in a supplement revealed that ingesting 2000 IU of vitamin D2 in mushrooms is as effective as ingesting 2000 IU of vitamin D2 or vitamin D3 in a supplement in increasing and maintaining blood.
levels of 25-hydroxyvitamin D, which is a marker of a person's vitamin D status. Therefore, ingesting mushrooms containing vitamin D2 can be an effective strategy to improve the consumer's vitamin D status. Fungi exposed to UVB radiation contain a significant amount of vitamin D2 and are therefore an excellent alternative food source for vitamin D, especially for vegans. A third answer to the question about vitamin D may be lurking in the aisle of products in the form of mushrooms.
Evaluation of the shiitake mushroom extracts revealed by reverse-phase HPLC a peak with a retention time of 11.5 min which was identified as provitamin D4, and a peak with a retention time of 10.8 min with an identical UV absorption spectrum consistent with a 5,7-diene (Fig. The change in total serum 25-hydroxyvitamin D concentrations from baseline to final visit in each group was statistically significant, as was the change in serum 25-hydroxyvitamin D2 concentrations from baseline to final visit in the fungal vitamin D2 group and the vitamin D2 group supplementary. .