洛神花（学名：Hibiscus sabdariffa），又称玫瑰茄、酸角花，是锦葵科木槿属的一种植物。洛神花原产于非洲西部，但现已广泛栽培于东南亚和中南美洲等热带和亚热带地区。洛神花的花萼呈红色或紫红色，富含有机酸和抗氧化物质，因酸甜适口且具有多种保健功效，常被用来泡茶或制成果酱、饮料。
洛神花的主要功能：
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抗氧化作用：洛神花富含维生素C、花青素、类黄酮等抗氧化物质，有助于清除体内自由基，延缓细胞老化，保持肌肤健康。
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降血压：洛神花含有丰富的有机酸，尤其是原儿茶酸等成分，研究显示它对高血压有一定的帮助。洛神花茶具有轻度的利尿作用，可以帮助调节血压。
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促进消化：洛神花含有多种有机酸，如苹果酸、酒石酸和柠檬酸，能刺激胃液分泌，帮助消化食物，缓解消化不良和便秘症状。
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减脂与调节血脂：洛神花中的多酚类物质能够降低血液中的低密度脂蛋白（LDL），有助于调节血脂水平，适合用作辅助降脂的健康饮品。
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保肝作用：洛神花含有多种植物化学成分，具有清除毒素、保护肝脏的效果，有助于改善肝功能。
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缓解压力和改善情绪：洛神花茶色泽鲜艳、口感酸甜，有助于缓解焦虑、放松身心，且天然不含咖啡因，适合日常饮用。
洛神花的酸甜口感使其成为一种受欢迎的饮品原料，尤其适合泡茶、调制冷饮或作为水果茶的配料，既美味又能起到保健作用。
Roselle (Hibiscus sabdariffa), also known as hibiscus, sour jujube, or red sorrel, is a plant from the Malvaceae family and the genus Hibiscus. Native to West Africa, roselle is now widely cultivated in tropical and subtropical regions such as Southeast Asia and Central and South America. The calyxes of roselle are red or purplish-red and are rich in organic acids and antioxidants. With a sweet and sour taste and multiple health benefits, it is commonly used to make tea, jams, and beverages.
Main Benefits of Roselle:
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Antioxidant Properties: Roselle is rich in vitamin C, anthocyanins, flavonoids, and other antioxidants that help eliminate free radicals, slow down cell aging, and maintain healthy skin.
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Lowers Blood Pressure: Roselle contains abundant organic acids, especially protocatechuic acid, which has been shown to assist in reducing high blood pressure. Roselle tea also has a mild diuretic effect that aids in blood pressure regulation.
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Supports Digestion: Packed with organic acids like malic acid, tartaric acid, and citric acid, roselle stimulates the secretion of gastric juices, aiding digestion and alleviating issues such as indigestion and constipation.
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Fat Reduction and Lipid Regulation: Polyphenols in roselle can help lower low-density lipoprotein (LDL) levels in the blood, making it effective for regulating blood lipid levels and suitable as a health drink for weight management.
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Liver Protection: Roselle is loaded with phytochemicals that support detoxification and liver health, contributing to improved liver function.
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Stress Relief and Mood Enhancement: With its vibrant color and sweet-and-sour flavor, roselle tea helps alleviate anxiety and promotes relaxation. Being naturally caffeine-free, it is ideal for daily consumption.
The refreshing taste of roselle makes it a popular ingredient for beverages, especially for brewing tea, making chilled drinks, or adding to fruit teas. It is both delicious and beneficial to health.