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پیش بینی برخی ویژگی‌های کیفی میوۀ انگور رقم بیدانۀ قرمز با استفاده از روش غیر مخرب طیف‌سنجی فروسرخ نزدیک | ||
| مهندسی بیوسیستم ایران | ||
| مقاله 5، دوره 46، شماره 4، دی 1394، صفحه 371-378 اصل مقاله (1.15 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/ijbse.2015.57343 | ||
| نویسندگان | ||
| فرزاد آزادشهرکی* 1؛ سیامک کلانتری2؛ یونس مستوفی3؛ بهاره جمشیدی4؛ رضا مسعودی5؛ سمیه نجفی6 | ||
| 1دانشجوی دکتری علوم باغبانی گرایش فیزیولوژی و فناوری پس از برداشت دانشگاه تهران | ||
| 2استادیار گروه باغبانی دانشگاه تهران | ||
| 3استاد گروه باغبانی دانشگاه تهران | ||
| 4استادیار مؤسسۀ تحقیقات فنی و مهندسی کشاورزی | ||
| 5استاد پژوهشکدۀ لیزر و پلاسمای دانشگاه شهید بهشتی تهران | ||
| 6دانشجوی دکتری پژوهشکدۀ لیزر و پلاسمای دانشگاه شهید بهشتی تهران | ||
| چکیده | ||
| به‌منظور اندازهگیری ویژگی‌های رسیدن و کیفیت درونی میوه از روشهای مخرب و غیرمخرب گوناگونی استفاده میشود. روشهای مخرب غالباً وقتگیر و پرهزینه‌اند. در این پژوهش توانایی روش طیف‌سنجی فروسرخ نزدیک به‌منظور پیش‌بینی ویژگی‌های کیفی ازقبیل مواد جامد حل‌شدنی، اسید قابل تیتر، pH، فنل کل، و آنتوسیانین عصارۀ انگور رقم بیدانۀ قرمز بررسی شد. بدین منظور پس از طیف‌سنجی نمونههای دهحبهای انگور در ناحیۀ nm1700-900 آزمونهای مرجع شیمیایی برای اندازهگیری پارامترهای مورد نظر انجام و مدلهای کالیبراسیون برای ایجاد ارتباط بین داههای طیفی پیشپردازششده و اندازهگیریهای مرجع تدوین شدند. پیشپردازشهای استفاده‌شده به‌صورت ترکیبی اعمال شدند. نتایج حاصل از اعتبارسنجی بهترین مدلها گویای پیش‌بینی میزان مواد جامد حل‌شدنی با دقت بالا (949/0 rcv =و 838/2SDR=) و pH با دقت قابل قبول (906/0 rcv =و 993/1SDR=) توسط طیف‌سنجی فروسرخ نزدیک بود. اسید قابل تیتر و فنل کل توسط این روش غیرمخرب با دقت متوسط به ترتیب با rcv معادل با 772/0 و 822/0 و SDR معادل با 60/1 و 718/1 پیشگویی شدند. آنتوسیانین عصارۀ انگور رقم بیدانۀ قرمز توسط طیف‌سنجی فروسرخ نردیک قابل پیش‌بینی نبود. | ||
| کلیدواژه‌ها | ||
| انگور؛ طیف‌سنجی فروسرخ نزدیک؛ کیفیت | ||
| عنوان مقاله [English] | ||
| Prediction of Some Quality Properties of Grape Fruit (cv. Bidaneh Ghermez) Using Non- Destructive Near Infrared Spectroscopy | ||
| نویسندگان [English] | ||
| Farzad Azadshahraki1؛ Siamak Kalantari2؛ Younes Mostofi3؛ Bahareh Jamshidi4؛ Reza Massudi5؛ Somayeh Najafi6 | ||
| 1Ph. D. Student, Department of Horticultural Science, Tehran University | ||
| 2Assistant Professor, Department of Horticultural Science, Tehran University | ||
| 3Professor, Department of Horticultural Science, Tehran University | ||
| 4Assistant Professor, Agricultural Engineering Research Institute | ||
| 5Professor, Laser and Plasma Research Institute, Shahid Beheshti University | ||
| 6Ph. D. Student, Laser and Plasma Research Institute, Shahid Beheshti University | ||
| چکیده [English] | ||
| Various destructive and non-destructive methods are used to measure the maturity and internal quality parameters of fruits. Destructive methods often consume time and are costly. In this study, the ability of near infrared spectroscopy for prediction of the quality properties such as soluble solids content, titratable acid, pH, total phenol and extract anthocyanin of 'Bidaneh Ghermez' grape was evaluated. For this purpose, after the spectroscopy of ten berries samples in the range of 900-1700 nm, reference and chemical experiments were performed and calibration models were developed using pre-processed spectra and reference measurements. Preprocessing of data was done as combination of many preprocessing. The results of validation of the best models indicated that soluble solids content can be predicted with high accuracy (Rcv= 0.949, SDR=2.838) and pH can be predicted with acceptable accuracy (Rcv= 0.906, SDR=1.993) by near infrared. Titratable acid and total phenol were predicted with fair accuracy by rcv equal to 0.772 and 0.822 and SDR equal to 1.60 and 1.718 respectively. Also, extract anthocyanin of 'Bidaneh Ghermez' grape was not predictable by using near infrared spectroscopy in this experiment. | ||
| کلیدواژه‌ها [English] | ||
| grape, Near Infrared Spectroscopy, quality | ||
| مراجع | ||
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