peroxide value


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peroxide value

[pə′räk‚sīd ‚val·yü]
(analytical chemistry)
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Addition of 400 mg/kg ascorbyl palmitate restricted increment of peroxide value in both Fe2+and Cu2+ added samples.
3 (a) Each value is the mean and standard deviation of 3 sample lots analyzed individually (b) Dry matter basis Table 2: Physico-chemical characteristics of traditionally extracted Baillonella toxisperma Pierre oil from six villages in South and East Cameroon (a) Region Physico-chemical South characteri stics (b) (Mean[+ or -]SD Ngong Bissam Peroxide value (mEq/kg) 2.
Formation of hydroperoxide products in fats and oils reflects the peroxide value.
05) in the peroxide value was observed between the samples (Figure 2); regardless of the rendering methods, all the rendered broiler skin fats had peroxide values less than 10 meq/kg, which is the limit allowed by the standards of the Codex Alimentarius [27] for edible fats and oils [28].
The high peroxide value in the composite food sample and detection of hexanal in the tortilla chips indicate the chips might have been rancid.
For the determination of peroxide value, in accurately weighed oil sample, C[H.
The effects of RE and TBHQ on the storage stability of radish seed oil were studied in this paper according to the change of the acid value, peroxide value, tocopherol and sulforaphene and provided theoretical supports for improving the safety of radish seed oil and extending its storage period.
Peroxide value was measured following American Oil Chemists Society (AOCS) method Cd 8b-90, modified for potentiometric endpoint detection using the same automatic titrator as for acid number with a platinum electrode.
A blank titration was done parallel to treated and peroxide value meq of oxygen/kg was calculated.
These parameters were amended on 26 March 2013 by EU 299/2013 which established quality parameters such as sensory, free fatty acids, peroxide value, wax, K-values and alkyl ester.