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Imaging of the Antimicrobial Active Substance Scoparone in Orange Peel Using iMScope QT

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User Benefits

- MS/MS imaging allows for more reliable confirmation of the distribution of the target component. - Optical images and MS images can be acquired with spatial resolution according to the purpose. - By accurately overlapping the optical image and MS image without intentional manipulation, the accurate distribution of the target component can be confirmed.

Introduction

Scoparone is one of the phytoalexins, low-molecular-weight antimicrobial active substances that are biosynthesized by plants when mandarin oranges are infected by pathogens. Scoparone is known to inhibit spoilage by promoting its production in the orange-colored outer skin of oranges after ultraviolet light treatment. Utilizing this effect, a device has been developed to inhibit orange spoilage. Thus, many investigations into the effects of scoparone are in progress, but there are many unknowns regarding the mechanism of its synthesis. Visualization of the distribution of scoparone in orange peels is expected to lead to clarification of the synthesis mechanism. Therefore, MS imaging was used to confirm in which region of the orange peel the scoparone synthesized by UV irradiation is distributed.

26 de septiembre de 2023 GMT

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