通过过氧化氧化氧化去除鱼的臭味
Huaye Tong1, Jiongfeng Li1, Minjie Zheng1
1School of Environment and Chemical Engineering, Foshan University, Foshan 528000, China.
Molecules (Basel, Switzerland)
|February 27, 2026
概括
使用过氧化进行轻度氧化,有效地去除了金枪鱼的气味,显著减少了鱼味,同时保留了它们有益的抗氧化特性,用于化品和食品.
科学领域:
- 食品化学 食品化学
- 生物技术是生物技术.
- 化品科学 化品科学
背景情况:
- 鱼类提供显著的生物活性.
- 持续的鱼味限制了它们在食品和化品中的应用.
研究的目的:
- 开发一种高效和温和的方法来除臭金枪鱼.
- 评估除臭对的生物活性和应用潜力的影响.
主要方法:
- 使用医学级过氧化 (H2O2) 轻度氧化金枪鱼.
- 优化除臭参数 (H2O2度,温度,时间) 通过单因素和直角实验.
- 使用固相微提取和气相色谱/质谱法 (SPME-GC/MS) 分析挥发性化合物.
- 使用ABTS和DPPH测定对抗氧化剂活性的评估.
- 在保湿剂配方中加入除臭.
主要成果:
- 达到798 mmol/L H2O2,35 °C和20分钟的最佳除臭,使感官气味得分从5降至2.48分.
- 完全去除关键的气味 (八口腔,七口腔) 和44.8-54.7%减少其他挥发性化合物.
- 经过处理的保留了高的抗氧化活性:91.5%的ABTS和78.3%的DPPH激素清除.
- 脱臭被成功地纳入保湿剂中,证明了持久的气味减少.
结论:
- 温和的过氧化氧化是一种有效的策略,可以消除金枪鱼的气味.
- 该过程保留了必不可少的抗氧化生物活性.
- 这种方法有助于在功能性食品和化品中更广泛地应用金枪鱼.
相关概念视频
Radical Autoxidation
3.3K
The oxidation of an organic compound in the presence of air or oxygen is called autoxidation. For example, cumene reacts with oxygen to form hydroperoxide. Autoxidation involves initiation, propagation, and termination steps. Many organic compounds are susceptible to autoxidation—especially ethers in the presence of oxygen, which form hydroperoxides. Even though this reaction is slow, old ether bottles contain small amounts of peroxide, which leads to laboratory explosions during ether...
3.3K
Oxidation of Alkenes: Anti Dihydroxylation with Peroxy Acids
7.6K
Diols are compounds with two hydroxyl groups. In addition to syn dihydroxylation, diols can also be synthesized through the process of anti dihydroxylation. The process involves treating an alkene with a peroxycarboxylic acid to form an epoxide. Epoxides are highly strained three-membered rings with oxygen and two carbons occupying the corners of an equilateral triangle. This step is followed by ring-opening of the epoxide in the presence of an aqueous acid to give a trans diol.
7.6K
Oxidation of Alkenes: Syn Dihydroxylation with Potassium Permanganate
17.3K
Alkenes can be dihydroxylated using potassium permanganate. The method encompasses the reaction of an alkene with a cold, dilute solution of potassium permanganate under basic conditions to form a cis-diol along with a brown precipitate of manganese dioxide.
17.3K
Oxidation of Alkenes: Syn Dihydroxylation with Osmium Tetraoxide
13.2K
Alkenes are converted to 1,2-diols or glycols through a process called dihydroxylation. It involves the addition of two hydroxyl groups across the double bond with two different stereochemical approaches, namely anti and syn. Dihydroxylation using osmium tetroxide progresses with syn stereochemistry.
13.2K
Oxidations of Aldehydes and Ketones to Carboxylic Acids
5.9K
Oxidation of aldehydes and ketones results in the formation of carboxylic acids. Aldehydes, bearing hydrogen next to the carbonyl group, are easily oxidized compared to ketones. This is because an aldehydic proton can easily be abstracted during oxidation.
Aldehydes readily undergo oxidation in strong oxidizing agents such as potassium permanganate and chromic acid. The oxidation can also be carried out using mild oxidizing agents such as silver oxide. In fact, aldehydes can be easily oxidized...
Aldehydes readily undergo oxidation in strong oxidizing agents such as potassium permanganate and chromic acid. The oxidation can also be carried out using mild oxidizing agents such as silver oxide. In fact, aldehydes can be easily oxidized...
5.9K
Protein Denaturation
9.9K
The function of proteins depends on their native three-dimensional structure, which is dictated by the amino acid sequence of the specific protein. Folding of the polypeptide chain takes place under specific conditions that energetically favor the folded conformation. In contrast, protein denaturation occurs spontaneously under unfavorable conditions that disrupt the integrity of the folded conformation. Thus, the chemical and physical environment of a protein, such as significant changes in pH...
9.9K


