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Determination of Vitamin A in Food
Time of Update: 2021-07-18
② Treatment method: If the chloroform contains decomposition products, it should be washed several times with water in the separatory funnel, dehydrated by adding anhydrous sodium sulfate or calcium chloride , and then distilled .
Comparison of Vitamin C Content in Different Fruits and Vegetables (1)
Time of Update: 2021-07-17
Use H 2 The SO 4 dissolves, and the colorimetric quantification is carried out according to the content in the sulfuric acid solution which is proportional to the ascorbic acid content .
Determination of Vitamin B1 in Food
Time of Update: 2021-07-17
If vitamin B contained in the sample 1 are in free form, it may be in an alkaline potassium ferricyanide direct oxidation of thiamine ethyl thiazole dye solution, under UV irradiation, ethyl thiazole dye fluoresce .
Determination of Vitamin D in Food
Time of Update: 2021-07-17
At this time, there is no need to wash the saponification bottle with benzene), add 50 mL of 1mol/L KOH solution, shake and mix, and let it stand, discarding the water layer .
Determination of vitamins in food
Time of Update: 2021-07-17
The main sources of vitamin C needed by the human body are fresh vegetables and fruits .
Comparison of Vitamin C Content in Different Fruits and Vegetables (2)
Time of Update: 2021-07-16
) The content of vitamin C is calculated as follows:>>Where x——the total ascorbic acid content in the sample, mg/100g>
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clinical study of donor-derived allogeneic CAR-T cell therapy GC007g for relapsed/refractory B-ALL
Time of Update: 2021-07-11
The phase I/II registered clinical study of the donor-derived allogeneic, anti-CD19 chimeric antigen receptor (CAR)-T cell therapy GC007g for cell leukemia (B-ALL) completed the first patient enrollment .
Sanofi considers selling the nutrition and vitamin business of its Indian branch
Time of Update: 2021-07-08
A spokesperson for Piramal declined to comment, and Sanofi and Dr.
Reddy's laboratories also declined to comment .
Horrible, it turns out that the consequences of not paying attention to vitamin A supplementation during pregnancy are so serious?
Time of Update: 2021-07-06
Investigation of serum vitamin A and E levels of pregnant women in early and late pregnancy in Xi'an area under routine health care.
National Food and Drug Administration: Converting prescription medicines of vitamin calcium oral solution into over-the-counter medicines
Time of Update: 2021-06-29
The contents of the non-prescription drug inserts other than those specified in the template inserts shall be implemented in accordance with the original approval documents .
Research: Vitamin D deficiency may increase the risk of severe illness and death from the new crown
Time of Update: 2021-06-28
have vitamin D deficiency before contracting the new crown, that is, vitamin D levels are less than 20 ng/ml . The paper has yet to be peer reviewed .
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Clin Nutr: More than 60% of cancer patients have vitamin D deficiency!
Time of Update: 2021-06-28
>More than half of cancer patients (66. 8%) have vitamin D deficiency (≤30 ng/ml); even in patients with vitamin D supplementation, 31. 6% of patients have vitamin D deficiency
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Do you want to give children vitamin AD?
Time of Update: 2021-06-28
]. Chinese Journal of Child Health Care, 2012, 20(11): 1008-1010. [2] Chinese Residents' Dietary Guidelines 2016 [3] Tan Tibetan, Ma Guanfu
Can vitamin C prevent new coronary pneumonia?
Time of Update: 2021-06-28
Recently, media reported that the latest research from Zhongnan Hospital of Wuhan University showed that vitamin C can treat new coronary pneumonia .
Can vitamin C prevent new coronary pneumonia?
Time of Update: 2021-06-28
Recently, media reported that the latest research from Zhongnan Hospital of Wuhan University showed that vitamin C can treat new coronary pneumonia .
Is cholesterol really harmful?
Time of Update: 2021-06-28
2. What we should worry about is the cholesterol in the blood, not the cholesterol in the food Now, many people, especially those with three highs, are particularly afraid of cholesterol problems and think that all cholesterol is harmful .
Metabolic-engineered stem cell-derived exosomes regulate rheumatoid arthritis macrophage heterogeneity
Time of Update: 2021-06-22
Recently, researchers from the School of Engineering of Sungkyunkwan University published an article titled "Metabolically engineered stem cell-derived exosomes to regulate macrophage heterogeneity in rheumatoid arthritis" in Sci Adv .
Pharmaceutical financing ViaCyte raised US$45 million to promote stem cell-derived therapies for type 1 diabetes
Time of Update: 2021-06-22
ViaCyte's stem cell-derived therapy product portfolio is the world's leading international original (first-in-category, first-in-class) product, which represents a major progress in the search for functional treatments for type 1 diabetes and other chronic diseases in the future .
Russia's Ryazan Territory terminates multiple animal-derived food compliance declarations
Time of Update: 2021-06-21
At present, the conformity statement of the aforementioned non-compliant products has been terminated, and the relevant responsible persons have been held accountable .
