anthocyan是什麼意思,anthocyan的意思翻譯、用法、同義詞、例句
常用詞典
花色素類,花色素;花青素
例句
The pigment belongs to anthocyan and is stable to the temperature, beam and food additives in an acid circumstance.
桑椹紅色素屬花青素類色素,在酸性條件下,對溫度、光照和食品添加劑的影響,顯現出較穩定的特征。
網絡擴展資料
Anthocyan(花青素/花色素)是植物中廣泛存在的一類水溶性天然色素,屬于酚類化合物中的類黃酮。以下是詳細解釋:
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基本定義與特性
Anthocyan是花色苷(Anthocyanin)水解後産生的苷元,賦予植物花瓣、果實等組織豐富的顔色,如紅、藍、紫等。其顔色會隨細胞液pH值變化而改變,例如酸性環境偏紅,堿性環境偏藍。
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化學結構與存在形式
- 自然界中已發現20多種花青素,常見的有天竺葵色素、矢車菊色素等6種。
- 在植物體内通常與單糖結合形成花色苷(Anthocyanin),後者是更穩定的存在形式。
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功能與應用
- 抗氧化作用:花青素的抗氧化能力顯著,比維生素E高50倍,維生素C高20倍,可清除自由基,保護細胞。
- 食品與工業:作為天然着色劑用于飲料、食品防腐,替代合成添加劑。
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來源與檢測
- 主要存在于藍莓、紫甘藍、葡萄等植物中。
- 檢測時需注意區分“Anthocyan”(苷元)和“Anthocyanin”(花色苷),常用比色法測定相對含量。
Anthocyan是植物呈色的關鍵成分,兼具生物活性與實用價值,廣泛用于食品、健康領域。需注意其與花色苷的區别,避免術語混淆。
網絡擴展資料二
Anthocyan是一種存在于植物中的水溶性色素,主要表現為紅色、紫色或藍色。它們是一種強大的抗氧化劑,被廣泛用于食品、藥品和化妝品中。以下是該單詞的詳細解釋:
例句:
- Blueberries and blackberries get their color from anthocyanins.(藍莓和黑莓的顔色來自花青素。)
- Anthocyanins are responsible for the red color of apples and grapes.(花青素是蘋果和葡萄的紅色的原因。)
用法:
- Anthocyanins are commonly found in fruits, vegetables, and flowers, and are responsible for their vibrant colors.
- Anthocyanins are used as a natural food coloring in many products, including juices, can***s, and baked goods.
- Anthocyanins have been shown to have numerous health benefits, including reducing inflammation and improving heart health.
解釋:
- Anthocyanins are a type of flavonoid, which are compounds found in plants that have antioxidant properties.
- The color of anthocyanins can vary depending on the pH level of the environment, ranging from red in acidic conditions to blue in alkaline conditions.
- Anthocyanins are believed to protect plants from UV damage, as well as attract pollinators and seed dispersers.
近義詞:
反義詞:
- Chlorophyll(葉綠素)
- Carotenoid(類胡蘿蔔素)
總之,Anthocyan是一種具有廣泛應用的有用植物色素,具有豐富的健康益處。
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