搜尋結果
2015年10月30日 · 專門感染細菌的病毒. 當泡菜的微生物生態環境發生變化時，它的化學成分也會隨之改變。 最初的15天，pH值的酸性逐漸增強，然後突然下降，最終停留在pH 4.5左右。 這與西紅柿濃縮湯的酸度相同，也是泡菜最適宜的酸鹼度水平。 隨著乳酸菌佔據主導，葡萄糖和果糖含量下降，醋酸鹽和乳酸含量上升。 甘露醇 (在轉化過程中生成的一種甜味糖醇)含量也會上升，符合常見的發酵流程。...
2021年3月1日 · 1 March 2021. By Mark Savage,BBC music reporter. Getty Images. Pop star IU is among the artists who are affected. Hundreds of popular K-pop songs have been removed from Spotify, amid a dispute...
Visit BBC News for up-to-the-minute news, breaking news, video, audio and feature stories. BBC News provides trusted World and UK news as well as local and regional ...
2024年5月22日 · BBC
2022年6月2日 · Get all the latest news, live updates and content about the World from across the BBC. Votes are being counted after the most closely fought election since the ANC came to
2024年5月21日 · 8 days ago. Passenger describes moment turbulence hit Singapore flight. More than 140 travellers and crew members who were onboard a flight hit by severe turbulence landed in Singapore on a relief...
2024年5月9日 · 9 May 2024. Getty Images. Greta Thunberg is one of the world's best-known climate change campaigners. She has been credited with raising public awareness, especially amongst young people. Who is...
