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Comparative Analysis of Phytochemical Profiles and Antioxidant Activities between Sweet and Sour Wampee (Clausena lansium) Fruits

1
Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Guangzhou 510640, China
2
School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
*
Authors to whom correspondence should be addressed.
Academic Editors: Andrei Mocan and Simone Carradori
Foods 2022, 11(9), 1230; https://doi.org/10.3390/foods11091230
Received: 24 March 2022 / Revised: 17 April 2022 / Accepted: 21 April 2022 / Published: 25 April 2022
As a local medicine and food, wampee fruit, with abundant bioactive compounds, is loved by local residents in Southern China. Titratable acid (TA), total sugar (TS), and total phenolic and flavonoid contents were detected, and phytochemical profiles and cellular antioxidant activities were analyzed by the HPLC and CAA (cellular antioxidant activity) assay in five sweet wampee varieties and five sour wampee varieties. Results showed that the average TS/TA ratio of sweet wampee varieties was 29 times higher than sour wampee varieties, while TA content was 19 times lower than sour wampee varieties. There were much lower levels of total phenolics, flavonoids, and antioxidant activities in sweet wampee varieties than those in sour wampee varieties. Eight phytochemicals were detected in sour wampee varieties, including syringin, rutin, benzoic acid, 2-methoxycinnamic acid, kaempferol, hesperetin, nobiletin, and tangeretin, while just four of them were detected in sweet wampee varieties. Syringin was the only one that was detected in all the sour wampee varieties and was not detected in all sweet wampee varieties. Correlation analysis showed significant positive correlations between TA with phenolics, flavonoids, and total and cellular (PBS wash) antioxidant activities, while there were significant negative correlations between TS/TA with phenolic and cellular (no PBS wash) antioxidant activities. This suggested that the content of titratable acid in wampee fruit might have some relationship with the contents of phenolics and flavonoids. Sour wampee varieties should be paid much attention by breeders for their high phytochemical contents and antioxidant activities for cultivating germplasms with high health care efficacy. View Full-Text
Keywords: wampee fruit; titratable acid; phenolics; flavonoids; antioxidant activities wampee fruit; titratable acid; phenolics; flavonoids; antioxidant activities
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MDPI and ACS Style

Chang, X.; Ye, Y.; Pan, J.; Lin, Z.; Qiu, J.; Peng, C.; Guo, X.; Lu, Y. Comparative Analysis of Phytochemical Profiles and Antioxidant Activities between Sweet and Sour Wampee (Clausena lansium) Fruits. Foods 2022, 11, 1230. https://doi.org/10.3390/foods11091230

AMA Style

Chang X, Ye Y, Pan J, Lin Z, Qiu J, Peng C, Guo X, Lu Y. Comparative Analysis of Phytochemical Profiles and Antioxidant Activities between Sweet and Sour Wampee (Clausena lansium) Fruits. Foods. 2022; 11(9):1230. https://doi.org/10.3390/foods11091230

Chicago/Turabian Style

Chang, Xiaoxiao, Yutong Ye, Jianping Pan, Zhixiong Lin, Jishui Qiu, Cheng Peng, Xinbo Guo, and Yusheng Lu. 2022. "Comparative Analysis of Phytochemical Profiles and Antioxidant Activities between Sweet and Sour Wampee (Clausena lansium) Fruits" Foods 11, no. 9: 1230. https://doi.org/10.3390/foods11091230

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