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STATEMENT our olive oil cold pressed Extra Nativ from a chemistry student for one of our customers from Germany:Hello Ade, ich you can not say exactly whether this is a good result because I do not know what values are for an oil well.But since I 've found something and as I see it is a very good oil.The percentage of free fatty acids of an oil is an indicator of the health and freshness of the olives. Under law , this value shall (not with a extra virgin oil) exceed 0.8 . The lower the acid value less than 0.3 percentage points to good quality olives , the better.The peroxide provides information on the state of conservation of oil and is a measure of the oxidation state. Under law , this value shall not exceed 20 . Again, the smaller the value, the fresher the oil, with good oils, the peroxide value is well below 10The content of polyphenols is an important indicator of the quality of oil . These substances have a major impact on the sensory quality and health benefits , since they have significant antioxidant effect : the higher the content of polyphenols , the healthier and more durable , but also bitter and sharper is an oil . The higher the Polyphenolwert is , the better. Peak values are the total content of 500-800 mg / kg, good values are those from 250 mg / kg. The polyphenol is highly dependent on region , variety, processing and reading time point. 232 and 270 nanometers in the spectrum, which absorb peroxides and secondary oxidation products UV light. The UV spectroscopy has double benefits , it is a confirmation of the peroxide and serves - as at 232 and 270 nm when they are refined resulting dienes and trienes absorb UV radiation - also as a first indication of unauthorized additions of refined oil . Legal limit : K232 : < 2.5, K270 : < 0.22, delta K< 0.01 ppm stands for parts per million, thus means 0.0001% or mg / kg. The metal values are thus all in green Bereich.Die main fatty acid in the oil , the oleic acid ( C18: 1 , or 18 carbon atoms, a double bond) . It is only slightly sensitive to oxidation , which is good. Linoleic acid has anti-inflammatory and palmitic acid is a saturated Fettsäure.Pestizide are not detectable.I hope it helps you further , Greetings Steffi  

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