اثر مرحله برداشت و مدت زمان انبارمانی بر کیفیت میوه عروسک‌ پشت‌پرده

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری، گروه علوم باغبانی، دانشگاه محقق اردبیلی، پارس آباد، ایران

2 استادیار، گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه زنجان، زنجان، ایران

3 دانشیار، گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه زنجان، زنجان، ایران

چکیده

به‏‌منظور ارزیابی اثرات زمان برداشت و مدت انبارمانی بر شاخص‌های کیفی و عمر انبارمانی میوه عروسک پشت پرده، آزمایشی به‌صورت فاکتوریل در قالب طرح کاملاً تصادفی در سه تکرار در سال 1395 انجام شد. برگ خریدهای آزمایش شامل زمان برداشت میوه در سه مرحله (سبز بالغ، سبز مایل به زرد و زردرنگ) و مدت‌زمان انبارمانی (صفر، 10، 20 و 30 روز پس از برداشت) بود. نتایج نشان داد که زمان‌های مختلف برداشت میوه و مدت انبارمانی تأثیر معنی‌داری بر شاخص‌های کیفی میوه و عمر انبارمانی میوه داشت. بیشترین شاخص طعم و رنگ میوه، میزان ویتامین ث (54/201 میلی‌گرم) و مواد جامد محلول (6/7 درصد بریکس) در میوه‌های برداشت‌شده در مرحله زردرنگ در 10 روز بعد از انبارمانی مشاهده شد، با طولانی شدن دوره انبارمانی میزان ویتامین ث و مواد جامد محلول کاهش یافت. حداکثر مقدار اسید قابل تیتراسیون (71/1 میلی‌گرم در 100 گرم) و خاصیت اسیدیته در میوه‌های سبزرنگ در زمان برداشت به‌دست ‌آمده آمد. نمودار اختلاف رنگ طی انبارمانی با روندی صعودی همراه بود که این میزان در میوه‌های سبز بالغ دارای اختلاف معنی‌داری نسبت به میوه‌های سبز مایل به زرد و زردرنگ بود. با توجه به نتایج، به دلیل فراز گرا بودن میوه‌های عروسک پشت پرده و رسیدن تدریجی و تغییر رنگ میوه‌ها، برداشت میوه‌ در مرحله سبز بالغ، مدت‌ انبارمانی را در دمای 15 درجه‌ سانتی‌گراد نسبت به میوه‌های برداشت‌شده در زمان‌های دیگر تا 30 روز افزایش داد.

کلیدواژه‌ها


عنوان مقاله [English]

The effect of harvesting stage and storage duration on fruit quality of physalis

نویسندگان [English]

  • Rasol Heydarnejad 1
  • Zahra Ghahremani 2
  • Taher Barzegar 2
  • Vali Rabiei 3
1 Ph.D. Student, Department of Horticultural Sciences, Faculty of Agriculture, University of Mohaghegh Ardabili, Pars Abad, Iran.
2 Assistant Professor, Department of Horticultural Sciences, Faculty of Agriculture, University of Zanjan, Zanjan, Iran.
3 Associate Professor, Department of Horticultural Sciences, Faculty of Agriculture, University of Zanjan, Zanjan, Iran
چکیده [English]

To evaluate the effects of harvest time and duration of storage on the fruit quality and storage longevity of physalis )Physalis angulate L.(, an experiment was carried out based on completely randomized design (CRD), with three replications in 2016. Factors were three fruit harvest stages (mature green, yellowish green, and yellow) and storage times (0 (harvest time), 10, 20, 30 days). The results showed that different harvest times and storage durations had significant effects on the fruit quality indices and storage longevity. The highest value of flavor and fruit color index, vitamin C (201.54 mg) and total soluble solids (TSS) (7.6 percent of brix) contents were obtained in the fruit harvested at the yellow stage under 10 days storage duration, and with longer storage duration reduced vitamin C and TSS contents. The maximum titratable acidity (1.71 mg/100gr) and pH of fruit were observed at the mature green stage in harvest time. Chart differences color in storage was accompanied by an upward trend in the amount of mature green fruit significantly different than the fruit was yellowish green and yellow. According to the results, because of climacteric nature of physalis fruits, gradual ripening and fruit color change, harvesting of fruit at mature green stage increased the storage life up to 30 days at 15 °C compared to other fruits harvested times.

کلیدواژه‌ها [English]

  • colorimetric
  • Chlorophyll
  • Fruits ripening
  • fruit quality
  • Vitamins C

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