金灣紫(zi)菜(cai)是(shi)廣東(dong)珠海(hai)的(de)特(te)產,金灣紫(zi)菜(cai)是(shi)一(yi)種大形紅藻,屬低等植(zhi)物(wu)、海(hai)藻類(lei)蔬菜(cai)。以葉狀體作蔬菜(cai)食(shi)用。
中(zhong)(zhong)(zhong)國傳統醫(yi)學認為,紫菜(cai)性寒,能化痰(tan)軟(ruan)堅,清熱利(li)尿,養心降(jiang)壓(ya)。現代研究發現,紫菜(cai)營養豐富,高蛋白(100克(ke)(ke)(ke)(ke)干紫菜(cai)中(zhong)(zhong)(zhong)含26.7克(ke)(ke)(ke)(ke))、低脂(zhi)肪(100克(ke)(ke)(ke)(ke)干紫菜(cai)中(zhong)(zhong)(zhong)含1.1克(ke)(ke)(ke)(ke))、高膳食纖維(100克(ke)(ke)(ke)(ke)干紫菜(cai)中(zhong)(zhong)(zhong)含40克(ke)(ke)(ke)(ke)以上)。同時,紫菜(cai)的蛋白質組成中(zhong)(zhong)(zhong),谷氨(an)酸、天冬(dong)(dong)氨(an)酸等呈鮮(xian)味成分含量高,100克(ke)(ke)(ke)(ke)干紫菜(cai)中(zhong)(zhong)(zhong),含谷氨(an)酸2043毫(hao)克(ke)(ke)(ke)(ke),天冬(dong)(dong)氨(an)酸2050毫(hao)克(ke)(ke)(ke)(ke),所(suo)以吃起來(lai)格外鮮(xian)。