燕窩(Edible bird’s nest /cubilose)是燕子口水的分泌物。1308Please respect copyright.PENANABdAgthdmVE1308Please respect copyright.PENANArZ83w3znej
1308Please respect copyright.PENANA81xin65Qh2
燕窩乾塊約有50-62%的成份是蛋白質,用上2小時燉煮方式的話,約有5%的蛋白質會進入液體部份。1308Please respect copyright.PENANAIg5DXN3pfv
1308Please respect copyright.PENANAzuVq7DetSe
(圖2)白燕與血燕的顏色分別,相信是基建於Nitrite含量的不同(Ref2)。1308Please respect copyright.PENANAQY71CLDrOp1308Please respect copyright.PENANAZqpUGX6MqD
1308Please respect copyright.PENANASAirEiVaP5
血燕Nitrite含量較高,因而呈現紅色。隨著Nitrite含量越低,便會相繼呈現黃色或白色。1308Please respect copyright.PENANAe3GolRLc70
1308Please respect copyright.PENANAoiE5renkhV
燕窩中能找出一隻酶素Nitrate Reductase,能夠將Nitrate轉變成為Nitrite。1308Please respect copyright.PENANA7yBjfYvXiH
同時間,燕窩中亦存有能夠抑制那隻Nitrate Reductase的物質(Ref1)。1308Please respect copyright.PENANAHYCQTfigNS
1308Please respect copyright.PENANA9C2MRlbENf
(圖3)燕窩中蛋白質含量最高的是一種與人類Muc-5AC蛋白質非常相似的蛋白質。1308Please respect copyright.PENANAuwXpXA6c8P1308Please respect copyright.PENANA0yVZp4QyxU
血燕及白燕中同樣能找到,但實際功用及功效暫時尚未清楚。1308Please respect copyright.PENANAdR68TLSm6i
1308Please respect copyright.PENANARWrKqOXXgl
1308Please respect copyright.PENANA5zup65Yo4w
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。1308Please respect copyright.PENANAQ5ZKQCOCPT
1308Please respect copyright.PENANARr0SDFc74a
https://www.instagram.com/potatopigtongue/1308Please respect copyright.PENANAXNZdcf9g1F
1308Please respect copyright.PENANA8wwk7pASqy
1308Please respect copyright.PENANANIhjZLWEOk
Ref1:https://academic.oup.com/fqs/article/1/1/83/47917231308Please respect copyright.PENANAFhXsLTUeFr
Ref2:https://www.sciencedirect.com/science/article/pii/S0956713513002934?casa_token=ZEAqbH90e0MAAAAA:FJo2m6F0yfjJbCcffoR0kO5FhFVtqFVdmD31Som_eNmP9moUJlX33WGNX1uaUP2mm51uaIvlSEAF1308Please respect copyright.PENANAGu5ontzK7P
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科普專欄–薯不揀單
作者:
薯仔聞茱莉

篇 #110
深入淺出–血燕及白燕的分別
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