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Andrés Olivos, Scott Johnson, Qin Xiaoqiong, and Carlos H. Crisosto

consequence of oxidative degradation of phenolic compounds by polyphenol oxidase (PPO), which leads to production of quinones that polymerize rapidly to form brown-colored products ( Kader and Chordas, 1984 ). The concentration of phenolic compounds, the

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Li Liu, Lin Jin, and Qiaosheng Guo

represented as an unweighted pair group method with arithmetic mean clustering tree. Measurements of soil enzyme activities. The activities of soil sucrase, urease, protease, neutral phosphatase, catalase, and polyphenol oxidase were measured by colorimetric

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Zhijun Zhang, Huaifeng Liu, Junli Sun, Songlin Yu, Wang He, Tianyuan Li, and Zhao Baolong

cerebrovascular diseases (Zerbib et al., 2018). Trad et al. (2017) think polyphenols in grape seeds are key compounds that play a role in selection and domestication, as they offer astringency and bitterness to derived products and promote health safety. Tannins

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Misaki Ishibashi, Takeshi Nabe, Yoko Nitta, and Yuichi Uno

subsequently be applied ( Davis et al., 2006 ; Nuyts et al., 2001 ; Wang et al., 2012 ). Strawberry fruits contain abundant polysaccharides and polyphenols ( Giampieri et al., 2014 ) that greatly reduce the efficiency of RNA isolation. Several methods have

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Xiao-Juan Wei, Jinlin Ma, Kun Wang, Xiao-Jing Liang, Jin-Xuan Lan, Yue-Juan Li, Kai-Xiang Li, and Haiying Liang

, golden camellia flowers contain diverse flavonoids, saponins, polyphenols, amino acids, and trace elements. These compounds have various bioactivities, including anticancer, antioxidant, hypolipidemic, hypoglycemic, antiallergic, immunomodulatory

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Natalia Falagán, Francisco Artés, Perla A. Gómez, Francisco Artés-Hernández, Alejandro Pérez-Pastor, Jose M. de la Rosa, and Encarna Aguayo

contain phytochemical compounds such as polyphenols and carotenes ( García-Parra et al., 2011 ) with high antioxidant potential. Previous studies have reported that an increase in the consumption of vegetables and fruit reduce the risk of diseases such as

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Sima Panahirad, Rahim Naghshiband-Hassani, Babak Ghanbarzadeh, Fariborz Zaare-Nahandi, and Nasser Mahna

the antioxidant activity during postharvest storage ( Hussain et al., 2015 , 2016 ). Vitamin C is modified primarily by ascorbic acid oxidase and polyphenol oxidase, the activities of which directly depend on the O 2 content of the environment. Thus

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Itani Tshivhandekano, Fhatuwani Nixwell Mudau, and Thilivhali Emmanuel Tshikalange

content, leaf tissue N, total polyphenols, total flavonoids, total tannins, antioxidant activity, antimicrobial activity, cytotoxicity, and detected compounds were documented. Determination of chlorophyll content. Chlorophyll was measured once every month

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Ting Min, En-chao Liu, Jun Xie, Yang Yi, Li-mei Wang, You-wei Ai, and Hong-xun Wang

greatly enhance the shelf life and overall quality of fresh produce ( Mcdonald and Sun, 2000 ). Phenylalanine ammonia lyase (PAL), polyphenol oxidase (PPO), and peroxidase (POD) are involved in the enzymatic browning of many fruits and vegetables

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Ji-Lian Zheng, Lan-Ying Hu, Kang-Di Hu, Jun Wu, Feng Yang, and Hua Zhang

(H 2 S) on the activities of ( A ) catalase (CAT); ( B ) ascorbate peroxidase (APX); ( C ) guaiacol peroxidase (POD); ( D ) superoxide dismutase (SOD); ( E ) glutathione reductase (GR); ( F ) lipoxygenase (LOX); ( G ) polyphenol oxidase (PPO); ( H