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
![BCC verification online calculation]()
BCC verification online calculation
BCC verification (XOR verification) online calculation tool
![Slogan avatar generator]()
Slogan avatar generator
Generate avatars with slogans online
![Older Baby Calculator]()
Older Baby Calculator
Calculate online how old your baby is
![Square root calculator]()
Square root calculator
Online square root calculator
![CSS frosted glass effect generator]()
CSS frosted glass effect generator
One click generation of CSS frosted glass effect code.
![日期天干地支计算器]()
日期天干地支计算器
在线推算指定日期的天干地支等信息
![HTML/BBB conversion tool]()
HTML/BBB conversion tool
Online HTML and UBB code conversion tool
![Web META detection]()
Web META detection
Online detection tool for META tag information in web pages
![Convert image to Base64]()
Convert image to Base64
Online image to Base64 conversion tool
![Ring Size Reference Table]()
Ring Size Reference Table
Online Ring Size Quick Check Table
![Complete List of MIME-Type Types]()
Complete List of MIME-Type Types
Complete List of MIME-Type Types
![Random Password Generator]()
Random Password Generator
Random Password Online Generation Tool
![PDF file page visualization]()
PDF file page visualization
Visualize pages in PDF files online
![PDF file extraction single page]()
PDF file extraction single page
Extract a single page of a PDF file online as a single PDF file
![Local Ping Tool]()
Local Ping Tool
Online Ping tool based on browser environment, quickly detecting network connectivity
![Online Maze Game]()
Online Maze Game
A small game for online maze exploration
![Greedy Snake Online Game]()
Greedy Snake Online Game
Classic Snake Online Game
![Sleep cycle calculator]()
Sleep cycle calculator
Online Sleep Cycle Calculation Tool
![Reaction speed test]()
Reaction speed test
Tools to help people test and train reaction speed
![Rotating Tai Chi Diagram]()
Rotating Tai Chi Diagram
What do you see in the Tai Chi diagram during high-speed rotation?
![UserAgent (ua) analysis and query]()
UserAgent (ua) analysis and query
UA online analysis and query tool
![Video format conversion]()
Video format conversion
Convert videos in bulk online and download them locally.
![lucky number]()
lucky number
Calculate your lucky number based on your date of birth
![Package compressed files online]()
Package compressed files online
Package and compress multiple local files into zip files
粤ICP备2021116614号