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The base stock solution was titrated to neutralize an equal quantity of the acid, so without the presence of vegetable oil it would require 40 milliliters of acid to cause a color change, but in the pure oils tested (almond, benne, cottonseed, cod liver oil, linseed oil, and olive oil, only 6 milliliters were required. In accordance with this ...
Template: Smoke point of cooking oils. 2 languages. ... Olive oil: Refined: 199–243 °C: 390–470 °F [12] Olive oil: Virgin: 210 °C: 410 °F Olive oil:
Refined olive oil is the olive oil obtained from any grade of virgin olive oil by refining methods which do not lead to alterations in the initial glyceridic structure. The refining process removes color, odor and flavour from the olive oil, and leaves behind a very pure form of olive oil that is tasteless, colorless and odorless and extremely ...
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The main advantage of NIR spectroscopy is the possibility to carry out the analysis on raw olive oil samples, without any chemical pretreatment. The main drawbacks are the high cost of commercial spectrophotometer and the need of calibration for different types of oil (produced by olives of different varieties, different geographical origin, etc.).
Plant material from olive drupes is suspended in oil due to lack of the filtering step, along with microdroplets of vegetative and non-vegetative water in small amounts (0.1–0.3%) forming in a water-oil emulsion. Unfiltered olive oil initially has higher levels of phenolics that form a complex polyphenol-protein complex. This complex ...
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Refined olive pomace oil is obtained from crude olive pomace oil by refining methods which do not lead to alterations in the initial glyceridic structure. It has a free acidity, expressed as oleic acid, of not more than 0.3 grams per 100 grams and its other characteristics correspond to those fixed for this category in the IOC standard [ note 4 ]