Harvesting Strategy for Different Mango Varieties Based on Comparative Sugar and Phenol Contents
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RESEARCH ARTICLE
Harvesting Strategy for Different Mango Varieties Based on Comparative Sugar and Phenol Contents Vivekananda Mandal1
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Satarupa Kundu1 • Jayashri Barman1 • Rajsekhar Adhikary1
Received: 13 December 2018 / Revised: 29 June 2020 / Accepted: 24 August 2020 The National Academy of Sciences, India 2020
Abstract The main objective of the study is to assess the key harvesting time based on the comparative evaluation of the total sugar and phenol contents and also their health beneficial antioxidant potentiality during the stages of fruit development of three mango cultivars, viz. Amrapali, Laxmanbhog, and Gooti, to extend the post-harvest storage and shelf-life for mango fruit consumption and processing. The study reflects that the gross total sugar contents (30–80 mg/g) of all three varieties were the same at the final stage of ripening, while there were remarkable differences in phenol and antioxidant contents. Total phenol contents (TPCs) in the epicarp and mesocarp region of fruits were ranged from 10 to 95 lg/g and 7 to 40 lg/g, respectively, in the different varieties. The Amrapali variety showed the highest TPC in the epicarp in stage one (95 lg/g) than the other cultivars. The antioxidant capacity of this variety gradually increased with the ripening stages which were quite contradictory to the other two varieties. The greater antioxidant activity of Amrapali and Laxmanbhog was observed throughout the developmental stages than the wild cultivar, Gooti. These results indicate that the late 3rd stage or early 4th stage would be the key
Significance Statement The present study reflects the key harvest time of three cultivars of Mango fruits based on comparative sugar and phenol contents. The strategy might help to extend the shelf-life for mass exploitation of this important climacteric fruit crop. & Vivekananda Mandal [email protected]; [email protected] Rajsekhar Adhikary [email protected] 1
Plant and Microbial Physiology and Biochemistry Laboratory, Department of Botany, University of Gour Banga, Malda 732 103, WB, India
harvesting time and post-harvest storage with extended shelf-life with reduced incidence of anthracnose and other fruit spoilage diseases. The high sugar and antioxidant contents in these cheap fruits, apart from delicacies, could contribute a valuable source of antioxidants to all classes of people in their daily diet. Keywords Antioxidant capacity Developmental stages Harvesting time Mango fruits Phenol Total sugar
Introduction The mango, a drupe climacteric fruit (Mangifera indica L., Anacardiaceae), which is known as the ‘‘king of fruit,’’ is a native of India and Sri Lanka and is one of the most commonly eaten fruit in tropical countries around the world. The reasons for such worldwide popularity are due to its sweetness and aroma. India is the largest grower of mango in the world. There are nearly 1000 mango varieties in India among which only about 20 varieties are grown commercially in recent times [1]. In West Bengal state, the Malda distri
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