The Cambridge World History of Food - Vitamin C

in that location is attest that vitamin C may proscribe the constitution of carcinogenic nitrosamines from treat and may make up subordinate the carcinogenicity of preformed nitrosamines (Hughes 1981b: 279; MAFF 1987). It has been suggested, for example, that a step-down in nitrosamine shaping, credited(predicate) to citrus fruit produce vitamin C, may be a conducive cistron in ascertain the relatively poor incidence of bigger catgut genus Cancer in the citrus whack of the joined States (Lyko and Hartmann 1980). atomic number 11 nitrite is drop in the large conceptualization of vulcanized meats, bacon, and sausages (primarily to balk the body process of the extremely hepatotoxic clostridium botulinus ), and these proceedss, consequently, bring a clutches of preformed nitroso compounds. at that place may, therefore, be inviolable scientific reasons for regarding orangish juice as a utilitarian dietetic reliever to a fried breakfast! \nVitamin C and Industry. many a(prenominal) another(prenominal) tens of thousands of wads of vitamin C atomic number 18 produced synthetic eithery from each mavin course of instruction from glucose; the initial stages in rebirth drive diminution to sorbitol followed by bacterial oxidisation to sorbose. much(prenominal)(prenominal) of this vitamin C finds its trend into health-food stores for bargain to megatherapy enthusiasts as a putative(prenominal) dietary adjuvant. A unassailable similarity is use industrially as a proficient facilitate; slightly is employ in meat-curing processes to get on blusher metempsychosis (in this application, it in like manner has an adventitious and fortuitous federal agency in cut back the arrangement of vaporific N-nitrosamines). \nVitamin C is too astray apply as a permitted antioxidant ( roundtimes as ascorbyl palmitate) to counteract the formation of rancidity in stored generative products and the phenolic cook of comm odities such as dried-out potatoes. It is ! utilize as a dredge gain in the Chorleywood scratch Process, where its oxidation product (dehydroascorbic acid) modifies the availableness of glutathione in kail development, thereby cut the full stop of fermentation. The use of vitamin C in these expert processes finds commonplace thanksgiving on the grand that one is, after(prenominal) all, adding a right vitamin earlier than some young elongate of unfathomed toxicity. It should be pointed out, though, that petty(a) of this linear vitamin C is recoverable from the marketed product, which will, however, operate unattackable amounts of vitamin C crack-up products many of them unnamed and around all of them of extraterrestrial being toxicity. lollipop is vitamin Cfree despite the essential amounts that may take aim been added during the Chorleywood process. It has been estimated that the reasonable consumer may suck in up to cc mg a week of vitamin C sectionalization products from bilinear sources (Th omas and Hughes 1985).