SUVDA ERUVCHAN VITAMINLAR MIQDORINI YUSSX USULIDA ANIQLASH METODIKASINI ISHLAB CHIQISH (CHILONJIYDA MISOLIDA)

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Ibrohimjon Rahmonovich Asqarov
Sharofiddin Shaxobiddin o'g'li Abdullayev
Surayyoxon Abdusamatovna Mamatqulova
Obidjon Shaxabidinovich Abdulloyev
Shaxobiddin Xasanboyevich Abdulloyev

Annotatsiya

Maqolada chilonjiyda mevasi misolida o’simlik tarkibidagi suvda eruvchan B1, B2, B3, B6, B9, B12, C va PP vitaminlarning miqdorini YSSX metodi yordamida aniqlash metodikasini ishlab chiqish bo’yicha olib borilgan tadqiqotlar natijalari bayon qilingan. O’silik namunasini quritish, maydalash, ekstraktini olish, uni xromatografik analizga tayorlash va analizni bajarish sharoitlarining optimal parametrlari aniqlangan.


Osimlik namunasidan gidrofil vitaminlarni ekstraktsiya qilish jarayoni vaqti 20 minut bo’lganda haroratning 20 oC dan 80 oC gacha ko’tarish aniqlanayotgan vitaminlarning ekstraktdagi miqdorini ortib borishi tendensiyasi  60 oC gacha kuzatildi. Shuni uchun ekstraktsiyaning optimal temperaturasi etib 60 oC tanlandi. Ayni shu o’zgarmas temperaturada vaqtini 10 minutdan 40 minutgacha oshirish ekstraktsiyaning optimal vaqtning 20 minut ekanligini ko’rsatdi.


Standart eritmalar va analiz qilinuvchi namunalar tarkibidagi vitaminlarni aniqlash Shim pack GIST C18 (150 × 4,6 mm; 5 mkm, Shimadzu) teskari fazali kolonkasi bilan jihozlangan  LC-40 Nexera Lite yuqori samarali suyuqlik xromatografida asetonitril va sirka kislotaning suvdagi 0,25 % li eritmasidan tashkil topgan gradientli harakatchan fazalaridan foydalananib amalga oshirildi. Xromatografik detektorlash 265, 291 va 550 nm to'lqin uzunlikda bajarildi.


Olingan natijalarni matematik qayta ishlash asosida ishlab chiqilgan anliz metodikasining aniqligi yetarli darajada yuqori ekanligi tasdiqlandi. Chilonjiyda mevasida B6, B3, B2 va C vitaminlari eng ko’p miqdorda bo’lib, B12 vitamini mavjud emasligi ko’rsatildi.

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Bo‘lim
Kimyo
Mualliflar biografiyasi

Ibrohimjon Rahmonovich Asqarov, Andijon davlat universiteti

Kimyo kafedrasi professori, kimyo fanlari doktori, O‘zbekistonda xizmat ko‘rsatgan ixtirochi, O‘zbekiston TABOBAT Akademiyasi raisi

Sharofiddin Shaxobiddin o'g'li Abdullayev, Farg'ona Davlat Universiteti

Farg’ona davlat universiteti, doktorant

Surayyoxon Abdusamatovna Mamatqulova, Farg'ona Davlat Universiteti

Kimyo kafedrasi mudiri, kimyo fanlari bo`yicha falsafa doktori (PhD), dotsent

Obidjon Shaxabidinovich Abdulloyev, Andijon davlat universiteti

Andijon davlat universiteti, Kimyo kafedrasi professori v.b., kimyo fanlari doktori

Shaxobiddin Xasanboyevich Abdulloyev, Andijon davlat universiteti

Andijon davlat universiteti, kimyo fanlari doktori, professor

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