Determination of vitamin C in iranian citrus fruits
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Vitamin C content and juice quality of exposed and shaded citrus fruits.
That the vitamin C (ascorbic acid) con tent of a fruit is dependent upon the in tensity of incident light was suggested by findings of Zilva and his associates (10) reported in 1935. These investigators found that the red peel of Bramley's Seedling apples contained twice as much vitamin C as the green peel. Although they did not mention light as a factor in the production of this difference in ...
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___________________________________________________________________________________________ Abstract Phosphates are inorganic compounds, based on the element phosphorus, combined with oxygen to form phosphates, the form in which phosphorus is present in nature. Phosphates are essential for plant growth, crops, and human health. Phosphates have been used in processing and preservation of fruits ...
متن کاملThe Physiology of Citrus Fruits in Storage
Refrigerated and frozen storage Concentrating Dehydrating Pickling and fermenting Sugar preservation Miscellaneous Recovery of constituents Disposal of residues and effluents Analytical and composition Nutrition Still another basis for classification might be according to the type of food as: Fruits Vegetables Grains Nuts Spices Meat Fish Dairy products Poultry products Condiments Confections B...
متن کاملDetermination of ascorbic acid in different citrus fruits under reversed phase conditions with UPLC
This study compared the concentration of ascorbic acid between citrus fruits collected from the farm of Kerman in Iran. Determination of ascorbic acid was carried out using a liquid chromatography coupled to a diode array detector, with reverse phase and isocratic elution. The validation parameters showed efficiency, adequate linearity, relative standard deviation values 0.02 % (n=10) for repea...
متن کاملEffectiveness of Citrus Fruits on Helicobacter pylori
It is known that Helicobacter pylori infection is associated with chronic gastritis, peptic ulcer, and gastric carcinoma. Due to the increased side effects of the treatment regimens and the development of antimicrobial resistance, a number of natural compounds have been tested as potential alternatives. In this review, we will examine the current knowledge on the effect of Citrus fruits and the...
متن کاملDetermination of Vitamin C in Small Volumes of Blood by HPLC/EC
A sensitive procedure for determining total vitamin C (ascorbic acid + dehydrate ascorbic Acid) in a blood drop from a finger prick, before and after the adminis- tration of a vitamin C tablet is described. Analysis was carried out by high per- formance liquid chromatography with electrochemical detection (HPLC/EC). Measurements were taken one hour, two hours and six hours after the adm...
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عنوان ژورنال
دوره 03 شماره 2
صفحات 81- 85
تاریخ انتشار 1975-09-23
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