[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.interkit.cz\/jak-vznika-hedvabi\/#Article","mainEntityOfPage":"https:\/\/www.interkit.cz\/jak-vznika-hedvabi\/","headline":"Jak vznik\u00e1 hedv\u00e1b\u00ed","name":"Jak vznik\u00e1 hedv\u00e1b\u00ed","description":"Traduje se, \u017ee za objev hedv\u00e1bn\u00e9ho vl\u00e1kna, roku 2640 p\u0159ed na\u0161\u00edm letopo\u010dtem, vd\u011b\u010d\u00ed \u010c\u00ed\u0148an\u00e9 c\u00edsa\u0159ov\u011b \u017een\u011b Si Ling-\u0160. C\u00edsa\u0159.","datePublished":"2023-05-06","dateModified":"2023-05-06","author":{"@type":"Person","@id":"https:\/\/www.interkit.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.interkit.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/75822ebcb33f26a58f54da5d813b950f2ea435f36540e293975e215a51d4a023?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/75822ebcb33f26a58f54da5d813b950f2ea435f36540e293975e215a51d4a023?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"interkit.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.interkit.cz\/wp-content\/uploads\/img_a295761_w2359_t1507196078.jpg","url":"https:\/\/www.interkit.cz\/wp-content\/uploads\/img_a295761_w2359_t1507196078.jpg","height":0,"width":0},"url":"https:\/\/www.interkit.cz\/jak-vznika-hedvabi\/","wordCount":411,"articleBody":"Traduje se, \u017ee za objev hedv\u00e1bn\u00e9ho vl\u00e1kna, roku 2640 p\u0159ed na\u0161\u00edm letopo\u010dtem, vd\u011b\u010d\u00ed \u010c\u00ed\u0148an\u00e9 c\u00edsa\u0159ov\u011b \u017een\u011b Si Ling-\u0160. C\u00edsa\u0159 Chuang-Ti jednoho dne po\u017e\u00e1dal svou \u017eenu, aby vyp\u00e1trala, kdo o\u017e\u00edr\u00e1 jeho posv\u00e1tn\u00e9 moru\u0161ovn\u00edky. C\u00edsa\u0159ova \u017eena tedy \u0161la a na moru\u0161ovn\u00edc\u00edch objevila b\u00edl\u00e9 housenky, kter\u00e9 zrovna snovaly leskl\u00e9 z\u00e1motky sv\u00fdch kukel. Z\u00e1motky se j\u00ed zal\u00edbily a tak si je ponechala. O n\u011bco pozd\u011bji upustila nedopat\u0159en\u00edm jeden z\u00e1motek do hork\u00e9 vody a zjistila, \u017ee ze z\u00e1motku je mo\u017en\u00e9 odmot\u00e1vat tenk\u00e9 a jemn\u00e9 vl\u00e1kno, kter\u00e9 je mo\u017en\u00e9 navinout i na c\u00edvku. V\u00fdroba \u010d\u00ednsk\u00e9ho hedv\u00e1b\u00ed pak z\u016fstala v\u00edce ne\u017e dva tis\u00edce let tajemstv\u00edm.\tJak v\u00fdroba prob\u00edh\u00e1?V\u00fdroba hedv\u00e1b\u00ed se skl\u00e1d\u00e1 ze \u010dty\u0159 \u010d\u00e1st\u00ed:1.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 P\u011bstov\u00e1n\u00ed moru\u0161ovn\u00edk\u016f.2.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Chov mot\u00fdl\u016f bourc\u016f moru\u0161ov\u00fdch.3.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Rozmot\u00e1v\u00e1n\u00ed hedv\u00e1bn\u00fdch vl\u00e1ken ze z\u00e1motk\u016f kukel na c\u00edvky.4.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Tkan\u00ed l\u00e1tky z hedv\u00e1bn\u00e9ho vl\u00e1kna.T\u0159pytiv\u00fd povrch na hedv\u00e1bn\u00fdch l\u00e1tk\u00e1ch vznik\u00e1 odrazem sv\u011btla od bourcov\u00fdch vl\u00e1ken, nebo\u0165 jejich pr\u016f\u0159ez nen\u00ed kulat\u00fd, n\u00fdbr\u017e troj\u00faheln\u00edkov\u00fd. Hedv\u00e1bn\u00e1 vl\u00e1kna jsou vlastn\u011b v\u00fdm\u011b\u0161ky \u017el\u00e1z bource moru\u0161ov\u00e9ho, kter\u00e9 na vzduchu rychle ztuhnou a vytvo\u0159\u00ed dvojici tenk\u00fdch vl\u00e1ken, kter\u00e9 jsou spojen\u00e9 zvl\u00e1\u0161tn\u00ed l\u00e1tkou, kter\u00e1 je jak\u00fdmsi druhem klihu. Pr\u016fm\u011brn\u00e1 d\u00e9lka hedv\u00e1bn\u00e9ho vl\u00e1kna namotan\u00e9ho na kukle potom dosahuje \u00factyhodn\u00fdch t\u0159i sta a\u017e dev\u011bt set metr\u016f.\tBourec moru\u0161ov\u00fdBourec moru\u0161ov\u00fd m\u00e1 n\u011bkolik p\u0159\u00edbuzn\u00fdch druh\u016f. Jeho housenky se \u017eiv\u00ed listy nejr\u016fzn\u011bj\u0161\u00edch druh\u016f strom\u016f, av\u0161ak nejkvalitn\u011bj\u0161\u00ed hedv\u00e1b\u00ed poch\u00e1z\u00ed pr\u00e1v\u011b od bource moru\u0161ov\u00e9ho.\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 V \u010c\u00edn\u011b jsou moru\u0161ovn\u00edky p\u011bstov\u00e1ny jako n\u00edzk\u00e9 k\u0159ov\u00ed, aby se jeho listy daly snadno trhat. T\u011bmi se potom krm\u00ed housenky bource moru\u0161ov\u00e9ho.\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 V \u010c\u00edn\u011b \u0159\u00edkaj\u00ed, \u017ee bourci moru\u0161ov\u00ed maj\u00ed r\u00e1di teplo, sucho a \u010distotu. Naopak jim pr\u00fd velice vad\u00ed hluk a z\u00e1pach sma\u017een\u00fdch ryb, slzy, \u010di k\u0159ik. Zaj\u00edmavost\u00ed je, \u017ee bourci moru\u0161ov\u00e9mu nesv\u011bd\u010d\u00ed p\u0159\u00edtomnost t\u011bhotn\u00fdch \u017een, anebo \u017een t\u011bsn\u011b po porodu.                                                                                                                                                                                                                                                                                                                                                                                                "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Jak vznik\u00e1 hedv\u00e1b\u00ed","item":"https:\/\/www.interkit.cz\/jak-vznika-hedvabi\/#breadcrumbitem"}]}]