A Complete Collection of 100000 Whys
Fav十万个为什么
为什么切开的茄子会变黑？
简单的摘要：切开的茄子会变黑的原因主要是茄子中含有酚类物质和多酚氧化酶、与空气中的氧气发生酶促褐变反应。
1、含有酚类物质和多酚氧化酶：茄子本身含有大量的酚类物质和多酚氧化酶，当茄子被切开时，细胞结构被破坏，这些物质和酶就会接触并发生反应。
2、酶促褐变反应：多酚氧化酶会催化酚类物质与空气中的氧气发生氧化反应，生成黑色素，导致茄子表面变黑。这是一个酶促褐变反应的过程。
3、氧气的影响：空气中的氧气是酶促褐变反应的必要条件，当茄子切开与空气接触时，氧气就会参与反应，加速黑色素的生成。
1. This tool has compiled a vast collection of questions and answers to help answer your everyday queries.
2. Simply enter the keywords for your search directly into the input box above.
3. The data in this tool is collected from the internet; if you find any errors, please report them to us so we can correct them.
Recommended Tools
![Audio cutting tool]()
Audio cutting tool
Cut the audio online and download it locally
![Least common multiple calculator]()
Least common multiple calculator
Calculate the least common multiple of multiple numbers online
![Online Elliptical Area Calculator]()
Online Elliptical Area Calculator
A small tool for online calculation of ellipse area
![Cylindrical surface area calculator]()
Cylindrical surface area calculator
Calculate the surface area of a cylinder online
![Color Picker]()
Color Picker
Online color selection tool for web pages
![Disciple rules]()
Disciple rules
Online reading of the original and translated text of 'The Disciple's Rules'
![Online Price Calculator]()
Online Price Calculator
Calculate the total price of the house and the total loan amount online
![Pomodoro Timer]()
Pomodoro Timer
Online internationally recognized efficient working methods
![Complete Guide to Food Pairing]()
Complete Guide to Food Pairing
The benefits and drawbacks of online food pairing
![HTML compression/formatting]()
HTML compression/formatting
HTML code online compression and formatting tool
![New house tax calculator]()
New house tax calculator
Newly purchased house tax calculator
![breathing exercises]()
breathing exercises
Relaxing the body and mind, reducing stress, and improving attention through rhythmic deep breathing exercises
![2026 holiday schedule]()
2026 holiday schedule
2026 Holiday Schedule
![Comparison Table of National Language Codes]()
Comparison Table of National Language Codes
Online search for codes corresponding to languages of various countries
![Sit-reminder]()
Sit-reminder
Web version of online sedentary reminder tool
![Online Rubik's Cube Game]()
Online Rubik's Cube Game
Online Rubik's Cube Game
![Custom sorting of PDF file pages]()
Custom sorting of PDF file pages
Customize sorting of pages in PDF files online
![Local Ping Tool]()
Local Ping Tool
Online Ping tool based on browser environment, quickly detecting network connectivity
![List of abbreviations and provincial capitals in China]()
List of abbreviations and provincial capitals in China
List of abbreviations and provincial capitals of Chinese provinces
![Sudoku game]()
Sudoku game
Online Sudoku Mini Games
![Superscripts/subscripts phone number generator]()
Superscripts/subscripts phone number generator
One click generation of superscripts or subscripts for phone numbers
![Retirement date calculator]()
Retirement date calculator
Can I help you calculate your retirement date and how many more days you need to work
![Complete Guide to Vitamins and Foods]()
Complete Guide to Vitamins and Foods
Key introduction to vitamins and foods containing vitamins
![Zodiac and Constellation Query]()
Zodiac and Constellation Query
Can query the zodiac and constellation of a specified date
粤ICP备2021116614号