purpurin

简明释义

英[ˈpɜːpjʊrɪn]美[pərpjəˌrɪn;ˈperpjuːrən;ˈperp

红紫素；[有化] 羟基茜草素

英英释义

单词用法

同义词

反义词

例句

1.The key points for extraction of natural edible purpurin and blue pigment are described.

本文详述了天然食用紫色素和蓝色素的提取技术和操作要点。

2.A series of novel purpurin-18 imide derivatives with long absorption wavelength were synthesized through Wittig reaction of methyl pheophorbide-a.

合成的一系列红紫素-18酰亚胺衍生物具有长波长的紫外吸收。

3.A series of novel purpurin-18 imide derivatives with long absorption wavelength were synthesized through Wittig reaction of methyl pheophorbide-a.

合成的一系列红紫素-18酰亚胺衍生物具有长波长的紫外吸收。

4.In basic condition E ring was converted into the cyclohexanedicarboxylic anhydride to form purpurin 18 derivatives by the air oxidation.

在碱性条件下，通过空气氧化将E环转变为环己二羧酸酐形成红紫素18甲酯衍生物；

5.In ancient times, purpurin was highly valued for its use in royal garments.

在古代，purpurin因其在皇室服装中的使用而备受珍视。

6.The dye used in the fabric was derived from a natural source, specifically purpurin, which gives it a rich red color.

用于织物的染料来自天然来源，特别是purpurin，使其呈现出浓郁的红色。

7.The artist chose purpurin for the painting to create a vibrant contrast with the blues.

艺术家选择了purpurin用于绘画，以与蓝色形成鲜明对比。

8.Researchers are studying the antibacterial properties of purpurin extracted from certain plants.

研究人员正在研究从某些植物中提取的purpurin的抗菌特性。

9.Scientists discovered that purpurin can be used as a pH indicator due to its color change properties.

科学家发现purpurin可以作为pH指示剂，因为它具有颜色变化的特性。

作文

In the world of chemistry and natural dyes, few compounds are as fascinating as purpurin, a vibrant red dye derived from madder root. This organic compound has been used for centuries to color textiles, and its historical significance cannot be overstated. The name purpurin comes from the Latin word 'purpura', which means purple, although the dye itself produces a rich red hue. Understanding purpurin requires delving into both its chemical properties and its cultural impact throughout history.Historically, purpurin was one of the key components in the production of red dyes in ancient civilizations. The use of madder root, from which purpurin is extracted, dates back to ancient Egyptian times. The dye was highly valued not only for its brilliant color but also for its ability to withstand washing and fading. As a result, textiles dyed with purpurin were often reserved for the wealthy and powerful, symbolizing status and prestige.From a chemical perspective, purpurin is an anthraquinone dye, which means it belongs to a class of compounds characterized by a specific molecular structure that allows them to absorb light in particular wavelengths. This absorption is what gives purpurin its distinct red color. The chemical formula for purpurin is C14H8O5, and its structure includes multiple hydroxyl groups that contribute to its solubility and reactivity. These properties make purpurin not only useful for dyeing fabrics but also interesting for scientific research in fields such as biochemistry and materials science.The resurgence of interest in natural dyes in recent years has brought purpurin back into the spotlight. With growing awareness about the environmental impact of synthetic dyes, many artisans and manufacturers are turning to traditional methods of dyeing, using natural sources like madder root. This shift not only promotes sustainability but also revives ancient techniques that have been passed down through generations.Moreover, purpurin has found applications beyond textiles. In modern science, researchers are exploring its potential in medicine, particularly in photodynamic therapy, where light-activated compounds are used to treat certain types of cancer. The unique properties of purpurin make it a candidate for further investigation, as it can absorb light effectively and produce reactive oxygen species that can target cancer cells.In conclusion, purpurin is more than just a colorant; it represents a rich tapestry of history, culture, and science. From its ancient uses in dyeing textiles to its potential applications in modern medicine, purpurin continues to captivate those who study it. As we move towards a more sustainable future, the importance of natural dyes like purpurin will likely grow, reminding us of our connection to the past and the possibilities that lie ahead.

在化学和天然染料的世界中，少有化合物像purpurin一样迷人，这是一种从茜草根中提取的鲜艳红色染料。这种有机化合物被用于数百年的纺织品染色，其历史意义不容小觑。purpurin这个名字源于拉丁文“purpura”，意为紫色，尽管这种染料本身产生的是丰富的红色。理解purpurin需要深入研究它的化学特性及其在历史上的文化影响。历史上，purpurin是古代文明中生产红色染料的关键成分之一。茜草根的使用可追溯到古埃及时代。这种染料因其明亮的颜色以及耐洗涤和褪色的能力而备受珍视。因此，用purpurin染色的纺织品通常被保留给富人和权贵，象征着地位和威望。从化学角度来看，purpurin是一种蒽醌染料，这意味着它属于一类具有特定分子结构的化合物，这种结构使它们能够在特定波长下吸收光线。这种吸收使得purpurin呈现出其独特的红色。purpurin的化学式为C14H8O5，它的结构包括多个羟基，这些羟基有助于其溶解性和反应性。这些特性使得purpurin不仅对染色织物有用，而且在生物化学和材料科学等领域的科学研究中也颇具趣味。近年来，对天然染料的兴趣复苏使得purpurin重新受到关注。随着人们对合成染料环境影响的日益关注，许多工匠和制造商开始转向传统染色方法，使用如茜草根等天然来源。这种转变不仅促进了可持续发展，还复兴了几代人传承下来的古老技术。此外，purpurin的应用超越了纺织品。在现代科学中，研究人员正在探索其在医学中的潜力，特别是在光动力疗法中，利用光激活化合物治疗某些类型的癌症。purpurin独特的性质使其成为进一步研究的候选者，因为它能有效吸收光线并产生反应性氧物种，从而靶向癌细胞。总之，purpurin不仅仅是一种染料；它代表着历史、文化和科学的丰富交织。从古代在染色织物中的用途到现代医学中的潜在应用，purpurin继续吸引着研究者的目光。随着我们迈向更可持续的未来，自然染料如purpurin的重要性可能会不断增长，提醒我们与过去的联系以及未来的可能性。