Quality and biochemical changes of longan (Dimocarpus longan Lour cv. Daw) fruit under different controlled atmosphere conditions
Quality and biochemical changes of longan (Dimocarpus longan Lour cv. Daw) fruit under different controlled atmosphere conditions
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DOI：
10.1111/ijfs.13495
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发表时间：
2017-10-01
影响因子：
3.3
通讯作者：
Chonhenchob, Vanee
中科院分区：
文献类型：
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作者：
Khan, Muhammad Rafiullah;Suwanamornlert, Panitee;Chonhenchob, Vanee
二氧化硫用于控制桂圆果皮褐变。然而，出于健康和监管方面的考虑，应该对替代疗法进行试验。本研究的目的是找到龙眼水果低0 2的公差水平(2%、5%、10%和15%)和高二氧化碳(5%、10%、15%和20%)2度c .根据公差的研究,控制大气(CA) 0 2 5% + 5%的二氧化碳,二氧化碳0 2 5% + 10%和0 2 5% + 15%二氧化碳与正常相比空气(控制)2度c .果皮褐变和衰变龙眼发病率显著(P0.05)控制高于所有CA治疗。CA贮藏降低了多酚氧化酶（PPO）活性，维持了L*值，减缓了总酚含量（TPC）的下降。果皮褐变与PPO、L*和TPC高度相关。
Sulphur dioxide has been used to control pericarp browning in longan fruit. However, due to health and regulatory concerns, alternative treatments should be tested. The objective of this study was to find the tolerance levels of longan fruit to low O-2 (2%, 5%, 10% and 15%) and elevated CO2 (5%, 10%, 15% and 20%) at 2 degrees C. According to the tolerance study, controlled atmospheres (CA) of 5% O-2+5% CO2, 5% O-2+10% CO2 and 5% O-2+15% CO2 were compared with normal air (control) at 2 degrees C. Pericarp browning and decay incidence of longan were significantly (P0.05) higher in control than all the CA treatments. CA storage reduced polyphenol oxidase (PPO) activity, maintained L* value and slowed down a decrease in total phenolic contents (TPC). Pericarp browning was highly correlated with PPO, L* and TPC.