نتایج جستجو برای: polyphenol oxidase

تعداد نتایج: 55598  

Journal: :Journal of Food and Nutrition Sciences 2015

Journal: :American Journal of Biochemistry and Biotechnology 2021

2015
Rehab M. Awad

Peach [Prunus persica (L.) Bastch.] "cv. Flordaprince" fruits at commercial maturity were immersed in 0, 0.5, 1.0 and 1.5 mM salicylic acid (SA) solution for 10 min, stored at 0 ◦ C for 28 days, then moved to 20 ◦C for 3 days to simulate shelf life. Fruit weight losses, firmness, TSS, acidity, Vit.C, sugars, anthocyanin, total phenols and two enzymes namely peroxidase and polyphenol oxidase act...

Journal: :Molecules 2014
Shuai Huang Cui-Ping Zhang George Q Li Yue-Yi Sun Kai Wang Fu-Liang Hu

Adulteration of propolis with poplar extract is a serious issue in the bee products market. The aim of this study was to identify marker compounds in adulterated propolis, and examine the transformation of chemical components from poplar buds to propolis. The chemical profiles of poplar extracts and propolis were compared, and a new marker compound, catechol, was isolated and identified from th...

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