Jing Ran, Hui Xu, Zhilong Wang, Wei Zhang, Xueyuan Bai
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引用次数: 0
Abstract
Background: Ganoderma lucidum is a widely used medicinal fungus whose quality is influenced by various factors, making traditional chemical detection methods complex and economically challenging. This study addresses the need for fast, noninvasive testing methods by combining hyperspectral imaging with machine learning to predict polysaccharide and ergosterol levels in Ganoderma lucidum cap and powder.
Methods: Hyperspectral images in the visible near-infrared (385-1009 nm) and short-wave infrared (899-1695 nm) ranges were collected, with ergosterol measured by high-performance liquid chromatography and polysaccharides assessed via the phenol-sulfuric acid method. Three machine learning models-a feedforward neural network, an extreme learning machine, and a decision tree-were tested.
Results: Notably, the extreme learning machine model, optimized by a genetic algorithm with voting, provided superior predictions, achieving R2 values of 0.96 and 0.97 for polysaccharides and ergosterol, respectively.
Conclusion: This integration of hyperspectral imaging and machine learning offers a novel, nondestructive approach to assessing Ganoderma lucidum quality.
Daniel A S Kitagawa, Rafael B Rodrigues, Thiago N Silva, Wellington V Dos Santos, Vinicius C V da Rocha, Joyce S F D de Almeida, Leandro B Bernardo, Taynara Carvalho-Silva, Cintia N Ferreira, Angelo A T da Silva, Alessandro B C Simas, Eugenie Nepovimova, Kamil Kuča, Tanos C C França, Samir F de A Cavalcante
期刊介绍：
Frontiers in Chemistry is a high visiblity and quality journal, publishing rigorously peer-reviewed research across the chemical sciences. Field Chief Editor Steve Suib at the University of Connecticut is supported by an outstanding Editorial Board of international researchers. This multidisciplinary open-access journal is at the forefront of disseminating and communicating scientific knowledge and impactful discoveries to academics, industry leaders and the public worldwide.
Chemistry is a branch of science that is linked to all other main fields of research. The omnipresence of Chemistry is apparent in our everyday lives from the electronic devices that we all use to communicate, to foods we eat, to our health and well-being, to the different forms of energy that we use. While there are many subtopics and specialties of Chemistry, the fundamental link in all these areas is how atoms, ions, and molecules come together and come apart in what some have come to call the “dance of life”.
All specialty sections of Frontiers in Chemistry are open-access with the goal of publishing outstanding research publications, review articles, commentaries, and ideas about various aspects of Chemistry. The past forms of publication often have specific subdisciplines, most commonly of analytical, inorganic, organic and physical chemistries, but these days those lines and boxes are quite blurry and the silos of those disciplines appear to be eroding. Chemistry is important to both fundamental and applied areas of research and manufacturing, and indeed the outlines of academic versus industrial research are also often artificial. Collaborative research across all specialty areas of Chemistry is highly encouraged and supported as we move forward. These are exciting times and the field of Chemistry is an important and significant contributor to our collective knowledge.
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