نتایج جستجو برای: sulphites

تعداد نتایج: 71  

Journal: :Australian Journal of Grape and Wine Research 2022

Background and Aims. If bioprotection has already been proven to limit the development of spoilage flora on musts, its effectiveness against oxidation depends winemaking process. To optimize application, this study analyzed evolution chemical composition bioprotected musts wines, according different settling routes. Their impacts organoleptic characteristics wines were also studied. Methods Res...

2012
Ratna Tantra Alex Cackett Roger Peck Dipak Gohil Jacqueline Snowden

Redox potential has been identified by the Organisation for Economic Co-operation and Development (OECD) as one of the parameters that should be investigated for the testing of manufactured nanomaterials. There is still some ambiguity concerning this parameter, i.e., as to what and how to measure, particularly when in a nanoecotoxicological context. In this study the redox potentials of six nan...

Journal: :Beverages 2021

Food allergies are an important global health concern, with many countries following the World Health Organisation’s guidelines regards to due labelling of foods and, as such, providing forewarning about presence potential allergens consumers. While for some produce, link specific might be very clear most consumers, this is not case all produce. People food-related usually know what look out fo...

2005
William Robert Middlebrook

(R1 and R2, polypeptide chains.) The optimum pH for the reaction is 5. Increasing the temperature, time of reaction or concentration ofNaHSO3 does not cause more than about one-third of the disulphide-S to react [Elsworth & Phillips, 1941]. The reaction is slowly reversed when the bisulphited wool is rinsed with cold water, but it is possible to free the treated wool from uncombined NaHSO3 and ...

Journal: :Lebensmittel-Wissenschaft & Technologie 2022

Natural plant extracts have emerged as a potential alternative to sulphites in minimally processed potatoes. The aim of this study was evaluate the inhibitory capacity various on potato polyphenol oxidase (pPPO) and optimize extraction conditions for preventing browning fresh-cut potatoes (cv. Monalisa). Fifteen aqueous were characterized by their total phenolic content (TPC), antioxidant activ...

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