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However, an equals sign, a number 8, a capital letter B or a capital letter X are also used to indicate normal eyes, widened eyes, those with glasses or those with crinkled eyes, respectively. Symbols for the mouth vary, e.g. ")" for a smiley face or "(" for a sad face. One can also add a "}" after the mouth character to indicate a beard.
Ascorbic acid efflux by embryos of dicot plants is a well-established mechanism of iron reduction and a step obligatory for iron uptake. [a] All plants synthesize ascorbic acid. Ascorbic acid functions as a cofactor for enzymes involved in photosynthesis, synthesis of plant hormones, as an antioxidant and regenerator of other antioxidants. [96]
An example of a mineral ascorbate drug is sodium ascorbate injections, as the acid form (ascorbic acid) of vitamin C is too acidic for injections). Ascorbate salts may be better tolerated by the human body than the corresponding weakly acidic ascorbic acid. Ascorbates are highly reactive antioxidants used as food preservatives. [2]
Each Airborne product has a different formulation and ingredient list. The ingredients in most Airborne products include: Vitamin A as retinyl palmitate; Vitamin C (ascorbic acid) Vitamin E (as delta-tocopheryl acetate) [19] Riboflavin (vitamin B 2) Magnesium (as oxide and sulfate) Zinc (as sulfate) Selenium (as amino acid chelate) Manganese ...
Ascorbic acid is easily oxidized and so is used as a reductant in photographic developer solutions (among others) and as a preservative. [citation needed] In fluorescence microscopy and related fluorescence-based techniques, ascorbic acid can be used as an antioxidant to increase fluorescent signal and chemically retard dye photobleaching. [29]
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The following other wikis use this file: Usage on af.wikipedia.org Vitamien C; Usage on ar.wikipedia.org فيتامين سي; المعرف الكيميائي الدولي