变褐

Banana ; ascorbic acid ; explant brown turning

香蕉；抗坏血酸；外植体褐变

The knife was a Sabre brand, with a bone handle, brown and yellow, yellowed and browned even more with age, a burl on the metal blade case as if it had been creased by a bullet, or a hot torch.

刀是骑兵牌的，黄褐色的骨柄贴片已经老化，变得越来越黄，越来越褐，柄背的金属部分有一块斑痕，像被子弹或喷灯留下的烙印。

The analysis results of the reducing sugar and HMF content in bread crumb with different storage time showed that the browning of bread crumb was caused by Maillard reaction.

通过对不同贮存时间面包瓤中还原糖含量和羟甲基糠醛含量的测定，表明面包褐变主要是由美拉德反应引起。

In the enzymatic reaction, the browning substrates are oxidized toο-quinones and finally polymerized into the brown-colored by-products.To identify the browning substrates caused by PPO of pericarp tissues of litchi fruit, the experiments were conducted for the first time to separate, select and purify these substrates.

一般认为荔枝采后褐变主要是由于果皮细胞中多酚氧化酶与酚类底物区域化分布的破坏而导致酶促反应的发生，表现为酚类物质被催化氧化为醌，后者则通过聚合反应形成褐色产物。

The preventing methods and the reasons of the pickled cabbage as chippings packed in plastic bags to turn brown and mildew was introduced in the store.

介绍了袋装酸菜末在贮藏过程中褐变和霉变的原因及防治方法。

Thus, surface browning is the major limiting factor for the shelf life and quality of fresh-cut CWC.

这表明褐变是限制鲜切马蹄质量和货架寿命的主要因素。

MCP treatment effectively inhibited fruit browning and rot.

结果表明： 250 μg L-1的1-MCP有效抑制了果实腐烂和褐变。

The results showed that DCA and CA treatments significantly inhibited fruit rot and flesh browning,kept firmness,alleviated the harm to flesh tissue and chilling-sensitivity,improved quality after storage in comparison with Control.

结果表明，与对照相比，DCA和CA贮藏均能有效地减少果实的腐烂和褐变，保持果实硬度，减轻果肉组织伤害，降低果实冷敏感性，提高贮后品质；与CA贮藏相比，DCA处理效果更好。

At the same time, the surface of loquat fruit appeared little hollow spot. The chilling injure fruits occurred caused these expressions above.

在3℃贮藏温度条件下，从感官上果实的外观症状表现为表面有小的凹陷褐色斑出现，果皮难剥，色泽轻微变深，果肉粗糙少汁，出现明显的冷害症状。

Yuzhou God in the town of Hou and Chang Yu Cun Zhuang and pale, etc., has unearthed in black, brown glaze kiln Huaci temperature was ceramic scientist known as "Jun Tang", which is a precursor to the Song Dynasty Jun chinaware.

在禹州市神垕镇下白峪村和苌庄乡等地，先后出土黑、褐釉高温窑变花瓷，被陶瓷学家称为&唐钧&，它是宋代钧瓷的先声。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失