{"id":18570,"date":"2026-08-28T10:35:30","date_gmt":"2026-08-28T00:35:30","guid":{"rendered":"https:\/\/geoffreychen.com\/why-red-cabbage-changes-colour-with-ph\/"},"modified":"2026-08-28T10:35:30","modified_gmt":"2026-08-28T00:35:30","slug":"why-red-cabbage-changes-colour-with-ph","status":"publish","type":"post","link":"https:\/\/geoffreychen.com\/zh\/why-red-cabbage-changes-colour-with-ph\/","title":{"rendered":"\u7ea2\u7518\u84dd\u6c41\u4e3a\u4ec0\u4e48\u9047\u5230\u9178\u78b1\u4f1a\u53d8\u8272\uff1f"},"content":{"rendered":"<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/public-assets.geoffreychen.com\/wordpress\/articles\/why-red-cabbage-changes-colour-with-ph\/7d982ecdd9a515be3155b53a.jpg?w=1140&#038;ssl=1\" alt=\"\u7ea2\u7518\u84dd\u6c41\u4e3a\u4ec0\u4e48\u9047\u5230\u9178\u78b1\u4f1a\u53d8\u8272\uff1f\" loading=\"lazy\"><\/p>\n<p>\u7ea2\u7518\u84dd\u716e\u51fa\u7684\u7d2b\u8272\u6c41\u6db2\uff0c\u52a0\u5165\u67e0\u6aac\u6c41\u4f1a\u504f\u7ea2\uff0c\u52a0\u5165\u5c0f\u82cf\u6253\u6c34\u5219\u53ef\u80fd\u8f6c\u4e3a\u84dd\u7eff\u3002\u6539\u53d8\u7684\u4e0d\u662f\u6db2\u4f53\u6e29\u5ea6\uff0c\u4e5f\u4e0d\u662f\u9178\u548c\u78b1\u5404\u81ea\u201c\u67d3\u201d\u4e0a\u989c\u8272\uff1b\u771f\u6b63\u54cd\u5e94\u73af\u5883\u7684\u662f\u7518\u84dd\u91cc\u7684\u82b1\u9752\u7d20\u3002<\/p>\n<p>\u82b1\u9752\u7d20\u662f\u4e00\u7ec4\u6c34\u6eb6\u6027\u8272\u7d20\u3002\u6eb6\u6db2\u9178\u78b1\u5ea6\u6539\u53d8\u65f6\uff0c\u8272\u7d20\u5206\u5b50\u4f1a\u7ed3\u5408\u6216\u5931\u53bb\u6c22\u79bb\u5b50\uff0c\u5e76\u5728\u51e0\u79cd\u7ed3\u6784\u4e4b\u95f4\u8f6c\u6362\u3002\u4e0d\u540c\u7ed3\u6784\u5438\u6536\u53ef\u89c1\u5149\u7684\u6ce2\u957f\u4e0d\u540c\uff0c\u5269\u4f59\u88ab\u53cd\u5c04\u6216\u900f\u8fc7\u7684\u5149\u8fdb\u5165\u773c\u775b\uff0c\u6211\u4eec\u4fbf\u770b\u5230\u7ea2\u3001\u7d2b\u6216\u84dd\u7eff\u8272\u3002\u8fd9\u91cc\u7684\u989c\u8272\u53d8\u5316\u662f\u4e00\u79cd\u53ef\u9006\u7684\u5316\u5b66\u5e73\u8861\uff1b\u628a\u6761\u4ef6\u8c03\u56de\u53bb\uff0c\u989c\u8272\u5e38\u80fd\u968f\u4e4b\u8fd4\u56de\uff0c\u4f46\u8fc7\u5f3a\u7684\u78b1\u3001\u52a0\u70ed\u6216\u4e45\u653e\u4e5f\u53ef\u80fd\u4f7f\u8272\u7d20\u5206\u89e3\u3002<\/p>\n<p>\u56e0\u6b64\u7ea2\u7518\u84dd\u6c41\u53ef\u4ee5\u505a\u5929\u7136\u9178\u78b1\u6307\u793a\u5242\uff0c\u5374\u4e0d\u662f\u7cbe\u5bc6 pH \u8ba1\u3002\u540c\u4e00\u79cd\u989c\u8272\u4f1a\u53d7\u6c41\u6db2\u6d53\u5ea6\u3001\u7167\u660e\u3001\u6e29\u5ea6\u548c\u6837\u54c1\u672c\u8eab\u989c\u8272\u5f71\u54cd\uff0c\u53ea\u80fd\u7ed9\u51fa\u5927\u81f4\u8303\u56f4\u3002\u4e00\u4e2a\u5b89\u5168\u7684\u5bb6\u5ead\u89c2\u5bdf\u662f\u628a\u540c\u6279\u7518\u84dd\u6c41\u5206\u522b\u6ef4\u5165\u6e05\u6c34\u3001\u67e0\u6aac\u6c41\u548c\u5c0f\u82cf\u6253\u6c34\uff0c\u6bd4\u8f83\u989c\u8272\uff1b\u4e0d\u8981\u54c1\u5c1d\u6df7\u5408\u7269\uff0c\u4e5f\u4e0d\u8981\u62ff\u5bb6\u7528\u6e05\u6d01\u5242\u6d4b\u8bd5\u6216\u6df7\u5408\u3002<\/p>\n<p>\u7f8e\u56fd\u5316\u5b66\u5b66\u4f1a\u8d44\u6599\uff1a<br \/><a href=\"https:\/\/www.acs.org\/education\/activities\/red-cabbage-indicator.html\" rel=\"nofollow\">https:\/\/www.acs.org\/education\/activities\/red-cabbage-indicator.html<\/a><\/p>\n<p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":17897162,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_geoff_meta_description_en":"Red cabbage anthocyanins change structure and light absorption with pH, producing useful colours that indicate acidity only approximately.","_geoff_meta_description_zh":"\u7ea2\u7518\u84dd\u82b1\u9752\u7d20\u4f1a\u968f\u9178\u78b1\u6761\u4ef6\u6539\u53d8\u5206\u5b50\u5f62\u6001\u4e0e\u5438\u5149\u65b9\u5f0f\uff0c\u56e0\u6b64\u5448\u73b0\u7ea2\u3001\u7d2b\u3001\u84dd\u7eff\u7b49\u989c\u8272\u3002\u989c\u8272\u80fd\u7c97\u7565\u6307\u793a\u9178\u78b1\uff0c\u5374\u4e0d\u80fd\u66ff\u4ee3\u7cbe\u786e\u7684 pH \u6d4b\u91cf\u3002","_wpcom_ai_launchpad_first_post":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[787297218],"tags":[787298598,787298600,787298599,787298601],"class_list":["post-18570","post","type-post","status-publish","format-standard","hentry","category-daily-maths-physics-chemistry","tag-acid-base-indicators","tag-anthocyanins","tag-acid-base-indicators-zh","tag-anthocyanins-zh",""],"translatepress_titles":{"en_AU":"Why Does Red Cabbage Juice Change Colour with Acids and Bases?","zh_CN":"\u7ea2\u7518\u84dd\u6c41\u4e3a\u4ec0\u4e48\u9047\u5230\u9178\u78b1\u4f1a\u53d8\u8272\uff1f"},"jetpack_publicize_connections":[],"jetpack_likes_enabled":false,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p1ar9H-4Pw","jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts\/18570","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/users\/17897162"}],"replies":[{"embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/comments?post=18570"}],"version-history":[{"count":0,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts\/18570\/revisions"}],"wp:attachment":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/media?parent=18570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/categories?post=18570"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/tags?post=18570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}