scholarly journals Studies on the Physiological and Biochemical Composition of Different Mango Cultivars at Various Maturity Levels

1970 ◽  
Vol 41 (1) ◽  
pp. 101-108 ◽  
Author(s):  
MZ Shafique ◽  
M Ibrahim ◽  
MOH Helali ◽  
SK Biswas
Keyword(s):  
Vitamin C ◽  
Comparative Study ◽  
Biochemical Composition ◽  
Sugar Content ◽  
Total Soluble Solid ◽  
Maturity Stages ◽  
Soluble Solid ◽  
Physiological And Biochemical

A comparative study on physiological and biochemical composition of ten varieties of mangoes was carried out at three maturity stages viz. immature, mature and ripe to find out the standard one. During the investigation, whole weight of the mangoes, pulp content, weight of peel and stone, total soluble solid (TSS), pH, acidity, sugar content and vitamin C were determined at three maturity stages. It was observed that all the varieties at ripe stages had higher sugar content as compared to immature and mature stages. Attractive flavour and pleasant taste were also developed in ripe stages and differed from one another due to varietal specific. This characteristics odour which appeared during ripening is due to ester and components of carbonyl types. Bangladesh J. Sci. Ind. Res. 41(1-2), 101-108, 2006

scholarly journals Dilution Ratio and Pasteurization Effects on the Physico-chemical Characteristics of the Pulp of Saba senegalensis of Côte d'Ivoire

2019 ◽  
pp. 1-9
Author(s):  
Yapi Elisée Kouakoua ◽  
Aïssatou Coulibaly ◽  
Kouadio Claver Degbeu ◽  
N’Guessan Georges Amani
Keyword(s):  
Vitamin C ◽  
Cote D'ivoire ◽  
Total Soluble Solid ◽  
Chemical Characteristics ◽  
Dilution Ratio ◽  
Chemical Parameters ◽  
Physico Chemical ◽  
Soluble Solid ◽  
Saba Senegalensis ◽  
Β Carotene

Aims: The objective of this study was to evaluate the effect of dilution ratio and pasteurization on physico-chemical parameters of Saba senegalensis pulp in the context of its recovery. Study Design: The experimental set-up was of a completely randomized design. Place and Duration of Study: This study was carried out in the Department of Food Science and Technology, at the Laboratory of Food Biochemistry and Tropical Product Technology (BATPTL) of Nangui Abrogoua University, Abidjan, Côte d'Ivoire, between June and August 2019. Methodology: The pulp collected from the fruit was diluted according to the following pulp/water ratio (RPW; v/v): 1:0.5; 1:1 and 1:1.5 and pasteurized at 75°C at different times (5 min, 10 min and 15 min). The pH, titratable acidity (TA), Total soluble solid (TSS), vitamin C, β-carotene and the colour were determined on the different samples. Results: The results obtained during this study showed that all the physico-chemical parameters evaluated, except pH, are affected during dilution while during pasteurization only vitamin C and β-carotene are affected. During the respective dilutions, 50%, 62% and 66% of the vitamin C concentration decreased as well as 53%, 74% and 76% of β-carotene. It also led to a decrease in total soluble solid (TSS) of 32%, 50% and 59%. Following the pasteurization of each diluted pulp12%, 45% and 50% on average of the vitamin C are lost at the respective pasteurization time  (5 min, 10 min and 15 min respectively). For β-carotene the content decreases (50%) within the first 5 minutes and remains constant during the last 10 minutes of pasteurization. Conclusion: During Saba senegalensis fruit processing into nectar, dilution and pasteurization factors must be considered in order to ensure the physico-chemical quality of the beverage. The physico-chemical characteristics were more affected during dilution than in pasteurization.

scholarly journals Pendugaan Umur Simpan Jeruk Siam (Citrus nobilis var. microcarpa) Berdasarkan Kandungan Vitamin C Menggunakan Persamaan Arrhenius

2016 ◽  
Vol 1 (1) ◽  
pp. 1077-1086
Author(s):  
Niken Wahyuningsih ◽  
Ratna Ratna ◽  
Zulfahrizal Zulfahrizal
Keyword(s):  
Vitamin C ◽  
Arrhenius Equation ◽  
Storage Temperature ◽  
Total Soluble Solid ◽  
Organoleptic Test ◽  
Soluble Solid

Abstrak.Menganalisis mutu selama penyimpanan dapat dilakukan dengan mengendalikan kondisi penyimpanan tertentu serta menduga laju penurunan mutu yang terjadi. Penelitian ini bertujuan untuk menduga umur simpan jeruk siam berdasarkan laju penurunan vitamin C selama penyimpanan menggunakan persamaan Arrhenius. Jeruk siam segar disimpan dengan variasi suhu yaitu suhu 10⁰C, 15⁰C, dan 28⁰C. Analisis dilakukan 3 hari sekali hingga panelis menolak dengan parameter susut bobot, tingkat kekerasan, total padatan terlarut (TPT), vitamin C, dan uji organoleptik yaitu warna, aroma, tekstur, rasa, dan penerimaan keseluruhan. Hasil penelitian diperoleh persentase susut bobot pada suhu 10⁰C dan suhu 15⁰C yaitu 11,57 % pada penyimpanan hari ke- 12. Tingkat kekerasan tertinggi pada suhu penyimpanan 10 ⁰C yaitu 2,09 Kg/cm2. Suhu 15 ⁰C mengalami kenaikan total padatan terlarut paling tinggi hingga 9,70% brix. Uji organoleptik penyimpanan terbaik pada suhu 15 ⁰C dengan lama penyimpanan hingga hari ke- 12, warna, tekstur, aroma, rasa dan penerimaan keseluruhan skornya yaitu 4,28, 4,05, 3,76, 4,50 dan 4,10. Umur simpan jeruk siam pada suhu 10⁰C umur simpannya 15 hari, suhu penyimpanan 15⁰C umur simpannya 14 hari, Suhu  28⁰C umur simpannya 13 hari. Penelitian ini didapatkan model pendugaan laju penurunan mutu jeruk siam selama penyimpanan yaitu k = 30.01808 e-777.54(1/T). Abstract. Analyzing the quality during storage could be done by controlling the storage as well as suspecting the rate of decrease the quality. This research aim to presume the life of siamese orange based on the rate of vitamin C decrease during the storage by using Arrhenius equation. The fresh siamese oranges with variety of storage temperature were 10 0C, 15 0C, and 28  0C. Analysis done in 3 days until the panelist refected to the shrinkage of weight, the level of solid, total soluble solid (TSS), Vitanin C, and organoleptic test such as colour, aroma, texture, taste, acceptance in a whole. From the result it is obtained the percentage of shrinkage weigh of temperature at 10 0C and at 15 0C  was 11,57 % in the storage of day 12. The highest level of solid was on temperature at 10 0C was 2,09 kg/cm2. On the temperature 15 0C it has the total soluble solid up to 9,70b% brix. The best organoleptic test storage was on temperature 15 0C with in 12 days of storage, the highest colour, aroma, texture, taste, and acceptance in a whole score was 4,28, 4,05, 3,76, 4,50 and 4,10. The siamese orange life storage on temperature 10 0C could be storage for 15 days, on temperature 15 0C could be storage for 14 days, on temperature 28 0C could be storage for 13 days. The reseach found out that the persume of decreasing the quality of siamese orange duringstorage was k = 30.01808 e-777.54(1/T).

scholarly journals PENDUGAAN UMUR SIMPAN JAGUNG MANIS BERDASARKAN KANDUNGAN TOTAL PADATAN TERLARUT DENGAN MODEL ARRHENIUS (Shelf Life Estimation of Sweet Corn Based on Its Total Soluble Solid by Using Arrhenius Model)

2015 ◽  
Vol 35 (02) ◽  
pp. 200 ◽  
Author(s):  
Rita Khatir ◽  
Ratna Ratna ◽  
Mega Apriesti Puri
Keyword(s):  
Shelf Life ◽  
Sweet Corn ◽  
Sugar Content ◽  
Total Soluble Solid ◽  
Arrhenius Model ◽  
Life Estimation ◽  
Different Temperatures ◽  
Soluble Solid ◽  
Life Predictions ◽  
Temperature Storage

Sweet corn has short shelf life at room temperature storage in the tropical countries (28-33°C). The quality deterioration of sweet corn can be determined by the decrease of its sugar content. The study aimed to estimate the shelf life of sweet corn based on the reduction of its total soluble solid (TSS) by using Arrhenius model. The samples were prepared from fresh harvested corn stored for 10 days at 3 different temperatures of 5, 15 and 28 °C. Total soluble solid (TSS) were analyzed every day by using abbe refractrometer. Organoleptic analysis was used by using hedonic scales from 1 to 7. The analysis was conducted until respondents had graded the samples at score 5 (dislike slightly), 6 (dislike) and approaches can be used to calculate the shelf life of sweet corn. The acceleration factor for the TSS degradation at null approach, it was estimated that if the sweet corn were stored at temperature of 30, 25, 20, 15, 10 and 5°C, the shelf temperatures, the shelf life of sweet corn would be 3.7, 4.5, 5.6, 6.8, 8.4, and 10.3 days. In conclusion, the shelf life predictions of sweet corn were valid well with the experimental results. Keywords: Sweet corn, shelf life, total soluble solid ABSTRAKUmur simpan jagung manis relatif singkat apalagi kalau disimpan pada suhu ruang di negara-negara tropis (28-32°C). Kerusakan jagung manis dapat diindikasikan dengan penurunan kandungan gulanya. Penelitian ini bertujuan untuk menduga umur simpan jagung manis berdasarkan reaksi penurunan kandungan total padatan terlarutnya (TPT) dengan pendekatan model Arrhenius. Jagung manis segar yang baru siap panen segera disimpan selama 10 hari pada 3 kombinasi suhu yaitu 5, 15 dan 28°C. Setiap hari dilakukan analisis kandungan TPT dengan . Uji organoleptik dilakukan dengan skala hedonik 1-7. Proses pengamatan dihentikan apabila responden telah memberikan nilai 5 (agak tidak suka), 6 (tidak suka) dan 7 (sangat tidak suka). Pendekatan model Arrhenius dilakukan dengan dua persamaan yaitu persamaan orde 0 dan orde 1. Hasil analisis menunjukkan bahwa kedua persamaan tersebut dapat dipergunakan untuk menduga umur simpan jagung. Nilai faktor percepatan reaksi penurunan mutu (Q) untuk persamaan orde 0 adalah 1,49, sedangkan nilai Q10 untuk persamaan orde 1 adalah 1,51. Dengan menggunakan pendekatan orde 0, penyimpanan jagung manis pada suhu 30, 25, 20,15, 10 dan 5°C akan berpengaruh kepada umur simpan jagung manis menjadi 3,7, 4,5, 5,5, 6,7, 8,2, dan 10 hari. Sedangkan dengan pendekatan orde 1, penyimpanan jagung manis pada suhu yang sama akan berpengaruh kepada umur simpan jagung manis menjadi 3,7, 4,5, 5,6, 6,8, 8,4, dan 10,3 hari. Dapat ditarik kesimpulan bahwa hasil dugaan tersebut sangat valid dengan hasil observasi.Kata kunci: Jagung manis, umur simpan, total padatan terlarut

scholarly journals Corona Discharge Power of Plasma Treatment Influence on the Physicochemical and Microbial Quality of Enoki Mushroom (Flammulina velutipes)

2022 ◽  
Author(s):  
Nguyen Phuoc Minh
Keyword(s):  
Weight Loss ◽  
Vitamin C ◽  
Plasma Treatment ◽  
Corona Discharge ◽  
Discharge Plasma ◽  
Total Soluble Solid ◽  
Plasma Power ◽  
Soluble Solid ◽  
Corona Discharge Plasma ◽  
Enoki Mushroom

Plasma treatment was widely known as an effective technology applied for contact-surface decontamination. Enoki (Flammulina velutipes) was an edible-medicinal mushroom with different phytochemicals and bioactive components beneficial for human health. Enoki mushroom had high respiration rate therefore it was highly perishable after harvesting. Moreover, it was greatly susceptible to microbial contamination but it was not feasible to be decontaminated by normal water washing. It’s urgent to extend shelf-life and control microbial criteria on this mushroom in dry manner without aqueous treatment. Corona discharge plasma was among 4 kinds of diverse cold atmospheric pressure plasma sources widely applied in food industry. This study demonstrated the influence of corona discharge plasma power values (control, 120, 150, 180, 210 W) on the physicochemical and microbial characteristics of Enoki mushroom during 10 days of storage at ambient temperature. Results showed that Enoki mushroom should be treated at 150 W of corona discharge plasma power to retain weight loss, total soluble solid, vitamin C in acceptable values while reducing total Aerobic count, Coliform, Enterobacteriaceae as much as possible. At the 10th day of storage, the weight loss, total soluble solid, vitamin C, total Aerobic count, Coliform, Enterobacteriaceae were recorded at 3.35±0.07%, 6.98±0.03 oBrix, 14.81±0.04 mg/100 g, 4.71±0.05 log CFU/g, 3.17±0.02 log CFU/g, 2.13±0.01 CFU/g, respectively. Findings of this research proved that corona discharge plasma pretreatment would be appropriate to maintain physicochemical properties and retard microbial loads on Enoki mushroom during preservation.

CHANGES IN PHYSICOCHEMICAL CHARACTERISTICS AND ORGANIC ACIDS DURING RIPENING OF FIVE TROPICAL FRUIT SPECIES IN MALAYSIA

2015 ◽  
Vol 77 (24) ◽  
Author(s):  
Seri Intan Mokhtar ◽  
Nur Ain Abd Aziz
Keyword(s):  
Human Life ◽  
Mangifera Indica ◽  
Solid Content ◽  
Total Soluble Solid ◽  
Soluble Solid Content ◽  
Tropical Country ◽  
Tropical Fruit ◽  
Maturity Stages ◽  
Fruit Species ◽  
Soluble Solid

Malaysia is a tropical country which is rich in various kinds of local fruits. Each has unique characteristics that could be explored further. Some of their compositions can play an important role in improving human life. The research aimed to evaluate the physicochemical composition and organic acid in 5 types of local fruit species in Malaysia, namely Averrhoa bilimbi, Eleiodoxa conferta, Mangifera indica, Phyllanthus acidus and Bouea oppositifolia at different maturity stages. It was observed that titratable acidity significantly decreased with the increasing maturity, while total soluble solid content and pH increased with maturity. All local fruit species at the ripe stage have higher total soluble solid content compared to young stage. Oxalic acid and ascorbic acid were present at all maturity stages of the five local fruit species. Tartaric acid was only present in Bouea oppositifolia while malic acid was present in all local fruit species except for Mangifera indica.

scholarly journals Study on Chemical Composition of Fresh Mymensingh and Barishal Hog-plum (Spondius mangifera) and Developed Leather and Jelly and Sensory Evaluation

2013 ◽  
Vol 5 (2) ◽  
pp. 29-36 ◽  
Author(s):  
S Akter ◽  
SMS Shahriar ◽  
F Akter ◽  
S Morshed ◽  
MN Islam
Keyword(s):  
Chemical Composition ◽  
Vitamin C ◽  
Sugar Content ◽  
Solid Content ◽  
Reducing Sugar ◽  
Soluble Solids ◽  
Chemical Compositions ◽  
Soluble Solid ◽  
Hedonic Scale ◽  
Hog Plum

The study was concerned with the chemical composition of two varieties hog-plum Pulp collected from Mymensingh and Barishal and developed jelly and leather. Cabinet dryer, model OV-165 (Gallen Kamp Company) was used for dehydration of two types of hog-plum pulp and leather. The fresh and dried hog-plum and hog-plum products were analyzed for their moisture, ash, vitamin-C, pH, total soluble solids and sucrose contents. The moisture content, ash, vitamin C, pH, total soluble solid (TS), reducing sugar and non-reducing sugar of Barishal hog-plum’s was 83.84% (wb), 0.81% , 33.00 mg/100g, 2.62, 8.5%, 5.02% and 1.6% respectively; Mymensingh hog-plum’s was 86.69% (wb), 0.78%, 30.90 mg/100g, 2.7, 6.5%, 4.7% and 1.3% respectively. The chemical composition of Mymensingh and Braishal hog-plum showed that Barishal hog-plum contained higher solid content, ash, Vitamin C than Mymensingh hog-plum. It was found that Barishal hog-plum had higher flesh (67.59%) than Mymensingh hog-plum (62.60%). The chemical composition of hog-plum leather was analyzed for moisture, Ash, Vitamin C, TS, Titrable acidity, total sugar and protein content. The ash and sugar content of developed leathers from Barishal and Mymensingh hog-plum was very similar but the vitamin C content for developed products was very low. It was also found developed products contained higher amount and sugar and protein. It was found that the chemical compositions of developed jelly were more or less similar to the fresh hog-plum; only the vitamin C was decreased significantly. These studies indicate that, developed products viz. lather and jelly would contain significantly higher amount of nutrients and energy then the fresh fruits. Organoleptic taste testing using 1-9 hedonic scale showed that jelly made from mechanically dried Mymensingh hog-plum was the most acceptable product and was ranked as “like very much”. Leather made from Mymensingh hog-plum (pulp+4.5% sugar+ 0.15% KMS) was the best among other samples and was ranked as “like very much”.DOI: http://dx.doi.org/10.3329/jesnr.v5i2.14598 J. Environ. Sci. & Natural Resources, 5(2): 29-36 2012

scholarly journals Kajian Mutu Selai Lembaran Jambu Biji (Psidium guajava) Akibat Konsentrasi Ekstrak Antosianin Bunga Mawar (Rosa sp) dan Jenis Agen Pembentuk Gel

2019 ◽  
Vol 2 (1) ◽  
pp. 81
Author(s):  
Fina Innama Listin ◽  
Elfi Anis Saati ◽  
Rista Anggriani
Keyword(s):  
Antioxidant Activity ◽  
Vitamin C ◽  
Agricultural Sector ◽  
Total Soluble Solid ◽  
Gelling Agent ◽  
Color Intensity ◽  
Total Anthocyanin ◽  
Antioxidant Power ◽  
Soluble Solid ◽  
The Difference

Guava as one of the agribusiness commodities in the primary agricultural sector has several advantages that make this type of fruit in great demand. Proper and correct processing can increase the shelf life of horticultural products, better flavor values have an impact on the preferences and economic value more than the nutritional value contained in the processed fruit. Red guava is rich in pectin, which is very suitable to be processed into slice jam. Slice jam is the result of modification of semi-solid jam. Slice jam is known as fruit leather. The purpose of this study was to determine the interaction between the concentration of rose extract and the difference of gelling agent to physical and chemical characteristics of the guava slice jam. The research method used was Group Randomized Design (GRD) factorial with 2 factors. The first factor was the concentration of rose extract consisting of 5 levels (0%, 2.5%, 5%, 7.5%, 10%). The second factor was the difference of gelling agent consisting of 2 levels (agar 1.5% and carrageenan 1.5%). Parameters analyzed included total soluble solid (° Brix), acidity (pH), vitamin C content, antioxidant activity, total anthocyanin, texture, color intensity (L, a +, b +) and hedonic test (flavor, taste, Appearance, texture). The results of this study showed that there was an interaction between the addition of rose extract concentration and the difference of gelling agent to dissolved solid (° Brix), vitamin C content, antioxidant activity, total anthocyanin, brightness color intensity (L) and redness (a+) guava slice jam. The best treatment was derived at the treatment of 10% roses extract with carrageenan that had 34.20 ° Brix of total soluble solid almost approach the standard of jam (SNI 01 – 3746 – 2008), 3.26 of pH, 96.56 mg / g of vitamin C, 81.45% of antioxidant power, 20.29 mg / g of level anthocyanin, 1.86 of texture, 3.13 of flavor score (quite like), 3.33 of taste score (quite tasty), 3.93 of appearance score (interesting), 2.77 of texture score (quite elastic).

BIOCHEMICAL COMPOSITION OF REMONTANT RASPBERRY BERRIES IN THE CISBAIKALIA CONDITIONS

1970 ◽  
pp. 50-53
Author(s):  
Е. N. Kiseleva ◽  
М. А. Rachenko ◽  
O. F. Zhilkina ◽  
T. N. Malova ◽  
Е. G. Aksamentova ◽  
...  
Keyword(s):  
Vitamin C ◽  
Biochemical Composition ◽  
Sugar Content ◽  
Biologically Active ◽  
Daily Consumption ◽  
Manganese Zinc ◽  
Human Need ◽  
Dietary Value ◽  
Iron Manganese ◽  
Active Substances

A comparative assessment of a remontant and common raspberries biochemical composition is given. The biochemical composition of a remontant raspberries cultivated in Cisbaikalia corresponds to the minimum physiological human need for biologically active substances. The content of sugars, vitamins (C, A, B1, B2, E and PP) and microelements has been studied. It was found that the frozen berry contains a sufficient amount of vitamin C, sugars and trace elements for daily consumption. The dietary value of raspberries is noted, due to the predominant accumulation of fructose and glucose. The minimum sugar content of berries in the Eurasia variety. A variety with a high content of vitamin C and sugars has been identified, it is Rubinovor ozherelie. The Zharptitsa and Rubinovoe ozherelie varieties are sources of iron, manganese, zinc and copper, and Penguin, Hercules, Orange miracle, Bellflower, form 16-136-6 are calcium. The Rubinovoe ozherelie variety contains a lot of sugars, vitamins and micronutrients, and also has a high organoleptic rating.

scholarly journals Studies on the Physiological and Biochemical Composition of Different ber (Zizyphus mauritiana Lamk.) Cultivars at Rajshahi

1970 ◽  
Vol 44 (2) ◽  
pp. 229-232 ◽  
Author(s):  
M Ibrahim ◽  
MZ Shafique ◽  
MOH Helali ◽  
MM Rahman ◽  
SK Biswas ◽  
...  
Keyword(s):  
Biochemical Composition ◽  
Seed Weight ◽  
Starch Content ◽  
Sugar Content ◽  
Fruit Weight ◽  
The Other ◽  
Edible Portion ◽  
Zizyphus Mauritiana ◽  
Fruit Characters ◽  
Physiological And Biochemical

An investigation was carried out at the Bangladesh Council of Scientific and Industrial Research (BCSIR) Laboratories. Binodpur Bazar, Rajshahi during the period November 2006 to March 2007 to evaluate the physiological and biochemical composition of five cultivars of ber (jujube). Among the fruit cultivars, Thai kul produced the largest fruits (51.85 g each) having the highest pulp (92.38%) and juice (60%) and also the lowest vitamin C content (21.13 mg/100g). The fruit weight of the other cultivars varied from 9.6 0 to 45.09g. The seed weight ranged from 6.38 to 15.00%. Sugar content varied from 6.25% to 9.72% and starch content ranged from 0.715% to 0.963%. The apple kul had the highest qualitative score through organoleptic test while Thai kul had the lowest. The highest edible portion (pulp content) was in Narikeli kul (93.61%) and that of lowest in Apple kul (85.38%) and Local kul (85.38%) respectively. Considering all, fruit characters and yield are potential. Keywords: Ber, Cultivar, Fruit characters, Quality, Yield. DOI: 10.3329/bjsir.v44i2.3678 Bangladesh J. Sci. Ind. Res. 44(2), 229-232, 2009

scholarly journals Biochemical evaluation of the assortment of pumpkin vegetable crops for the creation of functional food products

2021 ◽  
Vol 845 (1) ◽  
pp. 012093
Author(s):  
Medelyaeva A Yu ◽  
A F Bukharov ◽  
Yu V Trunov ◽  
I B Kirina ◽  
L V Titova ◽  
...  
Keyword(s):  
Vitamin C ◽  
Biochemical Composition ◽  
Sugar Content ◽  
High Water ◽  
Biologically Active ◽  
High Yield ◽  
High Water Content ◽  
Vegetable Crops ◽  
Mineral Salts ◽  
High Yields

Abstract It is known that vegetables are sources of vitamins, biologically active substances, antioxidants and other vital micronutrients. In particular, pumpkin vegetable crops (zucchini, squash) contain all the necessary mineral salts, vitamins, trace elements, pectin substances, ascorbic acid and not too many sugars. Varieties of vegetable crops are characterized by a diverse biochemical composition and are suitable to various degrees for obtaining processed products for therapeutic, preventive and functional purposes. The article considers the assortment of zucchini and squash by yield and the most important indicators of the biochemical composition of the fruit: the content of dry substances, sugars, vitamin C; the accumulation of nitrates in the fruit. High water content of zucchini and squash fruits (94-96%), low sugar content ( 1.5-3.5%) were found. Squash has a higher yield (25-90 t / ha), compared to zucchini (4-11 t/ha). Nevertheless, zucchini contain 3-4 times more vitamin C in the fruit and accumulate 3-4 times less nitrates than squash, having almost 10 times more of vitamin value. At the same time, squash is 2-3 times less than zucchini, accumulating nitrates. Of the 7 studied varieties of zucchini, the hybrid Belogor F1 and the variety Tsukesha were distinguished, which have high yield, high fruit quality and vitamin value. Of the 15 studied varieties of squash, the varieties Perlinka, Pyatachok and Tabolinsky were identified, which have high yields, high fruit qualities and vitamin value, and weakly accumulate nitrates.

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