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Encyclopedia > Ascorbyl stearate

Ascorbyl stearate is an ester formed from ascorbic acid and stearic acid. In addition to its use as a source of vitamin C, it is used as an antioxidant food additive (E number E304). General formula of an ester of a carboxylic acid. ... This article deals with the molecule ascorbic acid in General, for the nutrient see Vitamin C Ascorbic acid is an organic acid with antioxidant properties. ... Stearic acid also called octadecanoic acid is one of the many useful types of saturated fatty acids that comes from many animal and vegetable fats and oils. ... Chemical structure of vitamin C. Vitamin C is a water-soluble nutrient essential for life, used by the human body for many purposes. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Food additives are substances added to food to preserve it or improve its flavor and appearance. ... For the mathematical constant see: E (mathematical constant). ...


  Results from FactBites:
 
Nutrition Journal | Full text | Vitamin C in human health and disease is still a mystery ? An overview (6304 words)
Ascorbyl stearate was found to inhibit proliferation of human cancer cells by interfering with cell cycle progression, induced apoptosis by modulation of signal transduction pathways.
Ascorbyl stearate was found to be more potent than sodium ascorbate in inhibiting proliferation of human glioblastoma cells [80].
Recently, Naidu et al [80] demonstrated that ascorbyl stearate inhibited cell proliferation by interfering with cell cycle, reversed the phenotype and induced apoptosis by modulation of insulin-like growth factor 1-receptor expression in human brain tumor glioblastoma (T98G) cells.
194. Ascorbyl stearate (FAO Nutrition Meetings Report Series 46a) (416 words)
Comments For the assessment of this substance collateral evidence is provided by the long-term study on the ascorbyl palmitate reviewed in the evaluation of ascorbyl palmitate.
The adverse effects in relation to bladder stone formation then observed (as reflected in the previous lower ADI of ascorbyl palmitate) have been shown more recently to be associated with the presence of claculi in the bladder of rodents.
It is therefore reasonable to allocate a higher ADI for both the ascorbyl palmitate and ascorbyl stearate.
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