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Статті в журналах з теми "Harvest activity"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Demchik, Michael C., Dalia Abbas, Dean Current, Don Arnosti, Myra Theimer, and Patty Johnson. "Combining Biomass Harvest and Forest Fuel Reduction in the Superior National Forest, Minnesota." Journal of Forestry 107, no. 5 (2009): 235–41. http://dx.doi.org/10.1093/jof/107.5.235.

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Abstract Combining biomass harvest with forest fuel reduction may reduce the costs of fuel treatments. Our objectives were to determine the impact of combined biomass/fuel reduction harvests on the pools of forest fuels and to determine whether biomass harvest reduced the cost of mechanical fuel treatments. We tested two potential biomass harvest systems in wildland–urban interface areas with forest fuel accumulations on the Superior National Forest in Minnesota. Both systems performed similarly in terms of cost and efficiency at harvesting biomass. Overall, the cost of biomass harvest was imp

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2

Martineli, Maristella, Ariane Castricini, Victor Martins Maia, and Camila Maida de Albuquerque Maranhão. "Post-harvest physiology of pitaya at different ripening stages." Semina: Ciências Agrárias 42, no. 3 (2021): 1033–0148. http://dx.doi.org/10.5433/1679-0359.2021v42n3p1033.

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Red-fleshed pitaya is an attractive fruit not due only to the color of its flesh and skin, but also the scaly shape of its skin. In addition to being a source of vitamins and minerals, it has high commercial value and represents an alternative for cultivation in semiarid regions. Information about the post-harvest physiology of pitaya, which interferes with its ripening, allows the adoption of preservation and quality-maintenance practices. This study examines the respiratory activity and post harvest alterations of pitaya picked in the commercially immature stage of ripeness, by comparing the

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3

Katsura, Kaoruko, Shosaku Nomura, Gui Lan Xie, et al. "Platelet Procoagulant Activity During,Peripheral Blood Stem Cell Harvest." Clinical and Applied Thrombosis/Hemostasis 3, no. 2 (1997): 124–28. http://dx.doi.org/10.1177/107602969700300210.

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We used flow cytometry to measure platelet-derived microparticle levels in plasma obtained from 16 patients during peripheral blood stem cell harvest (PBSC) and in platelet concentrates prepared by apheresis from 10 normal controls. We also studied the binding of an anti-P-selectin antibody and annexin-V to platelets. When all 60 harvests were assessed, we noted a significant difference in microparticle levels between patients with a platelet count >10 x 104/μl and those with a platelet count <10 X 10 4/μl (12.3 ± 4.4 vs. 75 ± 3.9%). In both the first and total harvests, the percentage o

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4

Pupin, Breno, and Ely Nahas. "Impact of successive sugarcane harvests and trash management practices on soil microbiological properties." Soil Research 49, no. 2 (2011): 183. http://dx.doi.org/10.1071/sr10136.

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Sugarcane culture is replanted after five–eight successive harvests and intensely fertilised and mechanised. The influence on bacteria (total, nitrifying, denitrifying), fungi, microbial biomass-C, and dynamic processes (respiratory activity, N mineralisation, potential nitrification, P-solubilising activity) and enzymatic activities (dehydrogenase, urease, phosphatase) was studied for six successive harvests of the crop. The straw of the second and third harvest was burned. Soil microbial counts and activities were reduced after successive harvests. Fungi counts, N mineralisation, potential n

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5

Solomón-Montijo, Bladimir, Paola Yazmel Rivera-Aguirre, Yulisa Rodríguez-López, Herendira Flores-Almeida, Roberto Carlos Cárcamo-Arechiga, and Juan Fernando Pío-León. "Sociocultural and economic significance in the harvest of the pitaya sahuira (Stenocereus montanus) in Sinaloa, Mexico." Journal of the Professional Association for Cactus Development 24 (August 17, 2022): 149–58. http://dx.doi.org/10.56890/jpacd.v24i.502.

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Pitayas (Stenocereus spp.) are one of the most important wild plants in Mexico; however, there are few studies that evaluate the harvest value and commercialization of local species. This research records the sociocultural and economic importance of the harvest of pitaya sahuira (Stenocereus montanus) in two localities of the state of Sinaloa, Mexico: 1) San José del Llano, Badiraguato, and 2) several small communities in the municipality of Choix. Semi-structured surveys and participatory evaluation were carried out with different people who harvest and market the pitaya fruits during the pro

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6

McWilliams, William H. "Harvest Activity and Residual Pine Stocking on Private Lands of Six South-Central Coastal States." Southern Journal of Applied Forestry 14, no. 2 (1990): 59–63. http://dx.doi.org/10.1093/sjaf/14.2.59.

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Abstract Commercial harvests were carried out on 36% of the pine-site timberland in six states of the south-central United States during the interval of time between the last two forest inventories of each state. Half of forest industry's pine-site timberland was harvested, compared with 30% for nonindustrial private owners. Fifty-four percent of the heavily cut pine stands were at least 60% stocked with pine following harvest. The overall rate of replacement for pine stands was 78%. South. J. Appl. For. 14(2):59-63.

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7

Ghimire, Bimal Kumar, Ji-Won Seo, Seung-Hyun Kim, et al. "Influence of Harvesting Time on Phenolic and Mineral Profiles and Their Association with the Antioxidant and Cytotoxic Effects of Atractylodes japonica Koidz." Agronomy 11, no. 7 (2021): 1327. http://dx.doi.org/10.3390/agronomy11071327.

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Plant phytochemical accumulation is influenced by various external factors that change with the seasons (e.g., harvesting time). Atractylodes japonica, an important medicinal plant rich in bioactive compounds, is used to treat several human diseases. We analyzed the influence of harvesting time on phenolic compound concentration and antioxidant activity of A. japonica roots. We investigated the correlation between phenolic compound and minerals contents and antioxidant activity in different harvests. Total phenolic and flavonoid contents varied significantly with the harvesting time. Liquid ch

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8

Tafzi, Fitry Tafzi, Nur Hasnah AR, Indriyani Indriyani Indriyani, et al. "Postharvest evaluation, characteristics of yellow oyster mushroom (Pleurotus citrinopileatus): Physicochemical properties and antioxidant activity [Evaluasi pascapanen, karakteristik jamur tiram kuning (Pleurotus citrinopileatus): sifat fisikokimia dan aktifitas antioksidan]." Jurnal Teknologi & Industri Hasil Pertanian 29, no. 1 (2023): 14. http://dx.doi.org/10.23960/jtihp.v29i1.14-21.

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The level of physiological maturity of the plant, productivity at harvest, and content in the material are all determined by harvest age, which is a component that is strongly tied to the phase of plant growth. Oyster mushrooms will undergo biochemical changes as they mature, but they will also change physically when they are harvested, especially in terms of color, texture, size, form, and the sections that may be eaten. This study aims to discover the optimal harvest age for yellow oyster mushrooms (Pleurotus citrinopileatus) based on their physical, chemical, and antioxidant activity. It al

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9

Subroto, Edy, Mohamad Djali, Rossi Indiarto, Elazmanawati Lembong, and Nur Baiti. "Microbiological Activity Affects Post-Harvest Quality of Cocoa (Theobroma cacao L.) Beans." Horticulturae 9, no. 7 (2023): 805. http://dx.doi.org/10.3390/horticulturae9070805.

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Cocoa beans are the basic ingredient to produce chocolate and its derivatives, including cosmetics, foods, and pharmaceutical products. The quality of cocoa beans is greatly affected by post-harvest handling, especially by microbial activity involved in pre-conditioning after they are harvested, including fermentation, drying, and storage. This review aims to provide various factors that affect each stage of post-harvest cocoa beans, process mechanisms, and various latest technologies that can be used to improve the quality of cocoa beans. Microorganisms could be involved in each post-harvest

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10

Meir, Shimon, and W. J. Bramlage. "Antioxidant Activity in ‘Cortland’ Apple Peel and Susceptibility to Superficial Scald after Storage." Journal of the American Society for Horticultural Science 113, no. 3 (1988): 412–18. http://dx.doi.org/10.21273/jashs.113.3.412.

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Abstract ‘Cortland’ apples (Malus domestica Borkh.) from both exterior and interior of large trees were harvested over a 25-day period, and samples were stored for 0 to 5.5 months in air at 0°C. Antioxidant activity of peel at harvest was assayed. Hexane extracts of whole fruit were used to estimate α-farnesene and conjugated trienes after 1 to 4 months of storage; these values were correlated with scald development after 3 to 5.5 months of storage, α-Famesene increased during the first 2 months of storage and then decreased, while conjugated trienes increased progressively with storage time.

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11

Robinson, Pamela L., Niels Maness, John Solie, and Byron Criner. "EFFECT OF HARVESTING METHOD AND DRYING TREATMENT ON THE ANTIOXIDANT ACTIVITY OF SAGE." HortScience 31, no. 5 (1996): 756e—756. http://dx.doi.org/10.21273/hortsci.31.5.756e.

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Sage contains the antioxidant thujone, which can be used to preserve foods in place of synthetic antioxidants. This study was conducted to determine if different harvesting methods would affect greater retention of antioxidant activity (AOA) of sage. The harvesting methods evaluated included sickle harvest, hand harvest, and flail harvest. Harvested samples were air-dried (temperature range 15 to 49C) and oven-dried (continuous 49C). Leaf area analysis indicated that flail harvesting induced substantial chopping and size reduction of the harvested material. AOA of sample extracts was measured

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12

Caldwell, Katherine L., Timothy C. Carter, and Jason C. Doll. "A Comparison of Bat Activity in a Managed Central Hardwood Forest." American Midland Naturalist 181, no. 2 (2019): 225. https://doi.org/10.5281/zenodo.13438994.

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(Uploaded by Plazi for the Bat Literature Project) Bats exploit forest resources based on species-specific adaptations, resulting in differences in activity across forested landscapes. Forest management practices alter forests, impacting species differently and presumably affecting bat activity. Application of forest management that promotes species-specific bat conservation requires further understanding of bat response to silvicultural practices. We surveyed timber harvest treatments on two Indiana State Forests to compare bat activity across forest management treatments, in forests adjacent

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13

Caldwell, Katherine L., Timothy C. Carter, and Jason C. Doll. "A Comparison of Bat Activity in a Managed Central Hardwood Forest." American Midland Naturalist 181, no. 2 (2019): 225. https://doi.org/10.5281/zenodo.13438994.

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Анотація:

(Uploaded by Plazi for the Bat Literature Project) Bats exploit forest resources based on species-specific adaptations, resulting in differences in activity across forested landscapes. Forest management practices alter forests, impacting species differently and presumably affecting bat activity. Application of forest management that promotes species-specific bat conservation requires further understanding of bat response to silvicultural practices. We surveyed timber harvest treatments on two Indiana State Forests to compare bat activity across forest management treatments, in forests adjacent

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14

Caldwell, Katherine L., Timothy C. Carter, and Jason C. Doll. "A Comparison of Bat Activity in a Managed Central Hardwood Forest." American Midland Naturalist 181, no. 2 (2019): 225. https://doi.org/10.5281/zenodo.13438994.

Повний текст джерела

Анотація:

(Uploaded by Plazi for the Bat Literature Project) Bats exploit forest resources based on species-specific adaptations, resulting in differences in activity across forested landscapes. Forest management practices alter forests, impacting species differently and presumably affecting bat activity. Application of forest management that promotes species-specific bat conservation requires further understanding of bat response to silvicultural practices. We surveyed timber harvest treatments on two Indiana State Forests to compare bat activity across forest management treatments, in forests adjacent

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15

Caldwell, Katherine L., Timothy C. Carter, and Jason C. Doll. "A Comparison of Bat Activity in a Managed Central Hardwood Forest." American Midland Naturalist 181, no. 2 (2019): 225. https://doi.org/10.5281/zenodo.13438994.

Повний текст джерела

Анотація:

(Uploaded by Plazi for the Bat Literature Project) Bats exploit forest resources based on species-specific adaptations, resulting in differences in activity across forested landscapes. Forest management practices alter forests, impacting species differently and presumably affecting bat activity. Application of forest management that promotes species-specific bat conservation requires further understanding of bat response to silvicultural practices. We surveyed timber harvest treatments on two Indiana State Forests to compare bat activity across forest management treatments, in forests adjacent

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16

Caldwell, Katherine L., Timothy C. Carter, and Jason C. Doll. "A Comparison of Bat Activity in a Managed Central Hardwood Forest." American Midland Naturalist 181, no. 2 (2019): 225. https://doi.org/10.5281/zenodo.13438994.

Повний текст джерела

Анотація:

(Uploaded by Plazi for the Bat Literature Project) Bats exploit forest resources based on species-specific adaptations, resulting in differences in activity across forested landscapes. Forest management practices alter forests, impacting species differently and presumably affecting bat activity. Application of forest management that promotes species-specific bat conservation requires further understanding of bat response to silvicultural practices. We surveyed timber harvest treatments on two Indiana State Forests to compare bat activity across forest management treatments, in forests adjacent

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17

Guo, Dan. "Effects of harvest dates on the physiology and quality attributes of blueberries during long-term postharvest storage." Pakistan Journal of Agricultural Sciences 60, no. 02 (2023): 203–10. http://dx.doi.org/10.21162/pakjas/23.189.

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Harvest time has an important influence on the storability of fruits. And the blueberry fruits bloom and mature in batches. Present study was conducted to investigate the effect of harvest dates on the postharvest quality of Northland blueberries during 49 days of storage at 4?1 ?C. We examined fruit weight loss decay rate firmness soluble solid content (SSC) titratable acidity (TA) vitamin C (VC) total phenol flavonoid anthocyanin and malondialdehyde (MDA) content polyphenol oxidase (PPO) and peroxidase (POD) activities in five blueberry batches with different (early middle and late) harvest

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18

Briggs, SV, MT Maher, and CC Davey. "Hunter Activity and Waterfowls Havests in New South Wales, 1977-82." Wildlife Research 12, no. 3 (1985): 515. http://dx.doi.org/10.1071/wr9850515.

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The results of six annual surveys of waterfowl hunters in New South Wales by mail card are reported. The aims of the survey were to ascertain reported distribution of hunting effort, size and composition of hunters' bags, and state of hunter origin. Hunting effort and waterfowl harvests were highest in southern inland New South Wales. Seasonal bag sizes varied between 15.8 and 27.2 ducks per hunter. Pacific black duck, grey teal and maned duck made up 88.6% of hunters' bags. About half the hunters in New South Wales originated from Victoria. Bag size and species composition, effect of reducing

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19

Cleaves, David A., and Max Bennett. "Timber Harvesting by Nonindustrial Private Forest Landowners in Western Oregon." Western Journal of Applied Forestry 10, no. 2 (1995): 66–71. http://dx.doi.org/10.1093/wjaf/10.2.66.

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Abstract A survey of nonindustrial private forest (NIPF) landowners in Western Oregon was analyzed to gain insights about their harvesting activity. Past participation in harvesting, harvest type, and future intentions for harvest were related to ownership size, tenure, residence, form of organization, method of acquisition, occupation, age, and income. Thirty percent of the respondents reported harvesting at least once during the 1979-1989 period. Higher rates of harvest participation were found for larger ownership sizes, longer tenure, corporate organization, farm ownership, and higher pers

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20

Stirk, Wendy A., Sherman V. Thomson, and Johannes van Staden. "Effect of rust-causing pathogen (Puccinia thlaspeos) on auxin-like and cytokinin-like activity in dyer's woad (Isatis tinctoria)." Weed Science 54, no. 5 (2006): 815–20. http://dx.doi.org/10.1614/ws-06-034r.1.

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The rust pathogen,Puccinia thlaspeos, is used for biocontrol of dyer's woad. Rust infection results in chlorotic leaves and abnormal flower and seed production of this noxious weed during its second year of growth. Auxin-like and cytokinin-like activity of healthy and infected plants (roots, shoots, and leaves) were determined during different growth stages. These samples were analyzed by use of the mung-bean rooting bioassay (auxin-like activity) and the soybean-callus bioassay (cytokinin-like activity). Rooting activity in the mung-bean bioassay was significantly higher in the infected-root

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21

Bonasia, Anna, Corrado Lazzizera, Antonio Elia, and Giulia Conversa. "Pre-Harvest Strategy for Improving Harvest and Post-Harvest Performance of Kale and Chicory Baby Leaves." Plants 14, no. 6 (2025): 863. https://doi.org/10.3390/plants14060863.

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A greenhouse trial was conducted in Southern Italy to examine the effects of foliar applications of two substances, methyl-jasmonate (MeJA) and a zeolite, on the harvest and post-harvest performance of two hydroponically grown baby leaf genotypes (leafy chicory ‘Cicoria costa rossa’; kale ‘Cavolo nero’). MeJA is a phyto-hormone primarily studied for fruit and post-harvest applications, while zeolite is typically used for pest and disease biological control. MeJA (Sigma-Aldrich Merck KGaA, Darmstadt, Germany), and a commercial zeolite (Big-Zeo, Agricola Internazionale s.r.l., Pisa, Italy) (BigZ

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22

Ulaski, Brian P., Brenda Konar, and Edward O. Otis. "Seaweed Reproduction and Harvest Rebound in Southcentral Alaska: Implications for Wild Stock Management." Estuaries and Coasts 43, no. 8 (2020): 2046–62. http://dx.doi.org/10.1007/s12237-020-00740-1.

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Abstract In Alaska, interest in harvesting seaweeds for personal use is growing and information on potential impacts of this activity on sustainability of wild populations is lacking. This study provides information on reproductive timing and size, standing crop, and harvest rebound of three commonly harvested seaweeds in Southcentral Alaska: the rockweed, Fucus distichus; the sugar kelp, Saccharina latissima; and the bull kelp, Nereocystis luetkeana. From March through October 2018, seaweeds were surveyed for reproductive status and harvested to determine how much biomass was available. From

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23

Jung, Seok-Kyu, and Hyun-Sug Choi. "Browning of Early and Late-Harvested ‘Empire’ Apples Affected by Cold Storage and 1-MCP." Agronomy 10, no. 7 (2020): 1050. http://dx.doi.org/10.3390/agronomy10071050.

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The effects of harvest time, 1-methylcyclopropene (1-MCP) and air storage time on the susceptibility of flesh browning in ‘Empire’ apples were studied during a seven-day shelf life period after air storage at 0.5 °C for seven months. Early- or late-harvested ‘Empire’ apples without 1-MCP increased production of ethylene, respiration rates and internal ethylene concentration during the shelf life. Respiration rates increased in the late-harvested fruit for the shelf life period with/without 1-MCP treatment. The 1-MCP-treated fruit was approximately 10 N firmer than fruit not treated with 1-MCP

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24

Nie, Zhengpeng, Chunpeng Wan, Chuying Chen, and Jinyin Chen. "Comprehensive Evaluation of the Postharvest Antioxidant Capacity of Majiayou Pomelo Harvested at Different Maturities Based on PCA." Antioxidants 8, no. 5 (2019): 136. http://dx.doi.org/10.3390/antiox8050136.

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Majiayou pomelo (Citrus grandis L. Osbeck, MP) is a famous local red pulp pomelo from the Jiangxi province in China that is rich in natural active substances. In order to investigate the postharvest antioxidant capacities of MP pulp and determine the optimal harvesting time, fruits that were harvested at three different maturities (185, 200, and 215 days after full bloom) were observed for 180 days of preservation at ambient temperature. An abundance of ascorbic acid and lycopene in the MP pulp was found during storage, and in Harvest I, these substances were significantly higher than in Harve

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25

Piazzolla, Francesca, Maria Luisa Amodio, and Giancarlo Colelli. "Spectra evolution over on-vine holding of Italia table grapes: prediction of maturity and discrimination for harvest times using a Vis-NIR hyperspectral device." Journal of Agricultural Engineering 48, no. 2 (2017): 109. http://dx.doi.org/10.4081/jae.2017.639.

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Measurement of certain grape quality parameters (sugars, acidity, and pH-value) is essential for the determination of the optimum harvest time. Non-destructive analytical techniques, including near infrared (NIR) spectroscopy, can be valid alternatives to traditional analytical methods for the determination of maturity indexes, enabling the possibility of on-field applications. This work aims to study the reliability to monitor spectra changes related with ripening of table grapes and to select optimal wavelengths for the discrimination of bunches from different harvests, in addition to the pr

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26

Hunt, Seth David, Rebecca Barlow, John Kush, Larry Teeter, and Conner Bailey. "Ownership Changes and Harvesting Patterns Associated with the Forest Products Industry in West-Central Alabama from 1984 to 2014." Journal of Sustainable Development 11, no. 4 (2018): 53. http://dx.doi.org/10.5539/jsd.v11n4p53.

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Since the beginning of the 1980s, vertically integrated forest products companies have divested their forestland with much of the new ownership being real estate investment trusts (REITs) and timberland investment management organizations (TIMOs). These new landowners and their associated behavior of intensive timber management and higher and better use conversion has given rise to issues such as land-use change, fragmentation, and conservation. To better gauge harvesting patterns and ownership changes associated with the divestment of forestland by forest industry and the arrival of TIMOs and

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27

Karaosmanoğlu, H. "Impact of different harvest times on fatty acid profile, sterol, tocopherol and bioactive properties of hazelnut oil." Grasas y Aceites 74, no. 4 (2024): e535. http://dx.doi.org/10.3989/gya.1212222.

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This study was carried out to determine the effects of different harvest times of hazelnuts on their lipid profiles and bioactive compound accumulations. Tombul hazelnut cultivar was harvested at four different harvest stages, namely in PH (pre-harvest time), EH (early harvest time), NH (normal harvest time) and LH (late harvest time). According to the results of the study, oil accumulation continued up to NH but did not further increase into LH (from 49.58 to 58.54 mg/100 g). Oxidative stability indices changed positively due to decreased poly-unsaturated fatty acids (PUFA) from 9.87 to 7.70%

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28

Sáenz, C., E. Sepúlveda, A. Navarrete, and A. Rustom. "Influencia de la época de cosecha sobre las características de la granadilla morada (Passiflora edulis Sims) y su jugo/Influence of harvest season on the characteristics of purple passion fruit (Passiflora edulis Sims) and its juice." Food Science and Technology International 4, no. 1 (1998): 45–51. http://dx.doi.org/10.1177/108201329800400106.

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Анотація:

The effect of two different harvest seasons (winter and summer) on some characteristics of passion fruit and juice was studied. Three different harvests were made during the two seasons every 15-20 days. The soluble solids/acid ratio was used as a ripeness index. The weight, diameter, peel thickness and yield of juice and seeds were determined in the fruit. Soluble solids, pH, acidity, total and reduced sugars, starch, pectin and pectinesterase activity were determined in the juice. A sensory evaluation of the quality and intensity of aroma was made. Influence of the date of harvest on the tec

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29

Martineli, Maristella, Ariane Castricini, Julia Lavínia Oliveira Santos, Loranny Danielle Pereira, and Camila Maida de Albuquerque Maranhão. "Quality of Butia capitata fruits harvested at different maturity stages." Agronomía Colombiana 40, no. 1 (2022): 69–76. http://dx.doi.org/10.15446/agron.colomb.v40n1.99651.

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Butia capitata (Mart.) Becc. or “coquinho azedo” is a native palm species of the Brazilian savannah, bears fruits which are sold fresh or as frozen pulp. This study examined postharvest changes in “coquinho azedo” harvested at a commercially immature stage and later evaluated the quality of these fruits by comparing them with those harvested fully ripe. Fruit purchased in the 2020 harvest in Santo Antônio do Retiro, MG (Brazil), were harvested at different degrees of maturity, namely, commercially immature and ripe, according to the point of harvest adopted in the region. For 7 d, weight loss,

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30

Antunes, Maria, Custódia Gago, Adriana Guerreiro, et al. "Nutritional Characterization and Storage Ability of Salicornia ramosissima and Sarcocornia perennis for Fresh Vegetable Salads." Horticulturae 7, no. 1 (2021): 6. http://dx.doi.org/10.3390/horticulturae7010006.

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The aim of this work was to study the potential of two halophytes for fresh salads. Sarcocornia perennis (SAR) and Salicornia ramosissima (SAL) plant tips were harvested in May and July, and stored at 4 °C for 14 days. At harvest, mineral analyses (Na, K, Mg, Ca, P, N, Fe, Zn, Cu, Pb and Cd), chlorophyll content, protein, β-carotene and ascorbic acid were performed. Color (CIELab), phenolics, antioxidant activity and microbial contamination were measured at harvest and after 14 days storage at 4 °C, and a taste panel evaluated the products. SAL had generally slightly higher values of vitamin C

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Antunes, Maria Dulce, Custódia Gago, Adriana Guerreiro, et al. "Nutritional Characterization and Storage Ability of Salicornia ramosissima and Sarcocornia perennis for Fresh Vegetable Salads." Horticulturae 7, no. 1 (2021): 6. http://dx.doi.org/10.3390/horticulturae7010006.

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Анотація:

The aim of this work was to study the potential of two halophytes for fresh salads. Sarcocornia perennis (SAR) and Salicornia ramosissima (SAL) plant tips were harvested in May and July, and stored at 4 °C for 14 days. At harvest, mineral analyses (Na, K, Mg, Ca, P, N, Fe, Zn, Cu, Pb and Cd), chlorophyll content, protein, β-carotene and ascorbic acid were performed. Color (CIELab), phenolics, antioxidant activity and microbial contamination were measured at harvest and after 14 days storage at 4 °C, and a taste panel evaluated the products. SAL had generally slightly higher values of vitamin C

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Lee, Sun-Kyung, You-Seok Lee, Soo-Hyun Ji, et al. "Nutritional and functional constituents and antioxidant activity in whole onion (Allium cepa L.) by growth stage." Korean Journal of Food Preservation 30, no. 5 (2023): 833–46. http://dx.doi.org/10.11002/kjfp.2023.30.5.833.

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Onions are essential vegetables for Koreans’ diet and have various physiological activities. However, problems arise every year due to the imbalance between production and demand. Therefore, in this study, nutritional and functional components, and antioxidant activity were analyzed for each growth period in order to utilize onions at the disposal period. Whole onions harvested before June showed higher values of general ingredients, inorganic ingredients, organic acids, spiraeoside, quercetin, total chlorophyll, and antioxidant activity than bulbs harvested in June. On the other hand, the fre

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Santana, Andréia Cristina, Mercedes Concórdia Carrão-Panizzi, José Marcos Gontijo Mandarino, Rodrigo Santos Leite, Josemeyre Bonifácio da Silva, and Elza Iouko Ida. "Effect of harvest at different times of day on the physical and chemical characteristics of vegetable-type soybean." Food Science and Technology 32, no. 2 (2012): 351–56. http://dx.doi.org/10.1590/s0101-20612012005000044.

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Анотація:

The objective of this study was to evaluate the effect of harvest at different times of day on the chemical and physical characteristics of vegetable-type soybean BRS 267 cultivar, harvested at the R6 stage (seed development) and to compare it with that on the grains harvested at the R8 stage (maturation). The pods of the BRS 267 cultivar were harvested at the R6 stage (at 8:00 AM, 12:00 AM, and 6:00 PM), the color parameters were evaluated, and the grains were analyzed for chemical composition, activity inhibitor trypsin, phytic acid content, starch, sugars, fatty acids, and isoflavones. No d

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Sigal-Escalada, Valeria, and Douglas D. Archbold. "Influence of Preharvest AVG Application on the Activity of Sorbitol Dehydrogenase in Apple Fruit." HortScience 40, no. 4 (2005): 1143C—1143. http://dx.doi.org/10.21273/hortsci.40.4.1143c.

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Анотація:

Sorbitol dehydrogenase (SDH) is a key enzyme in apple fruit converting sorbitol into fructose. SDH activity in `Fuji' apple was reported to increase close to harvest, perhaps as part of the ripening process. Aminoethoxyvinylglycine (AVG) is used to delay fruit ripening and prevent fruit drop, though its effect on sorbitol metabolism is not known. To determine if the late season increase in SDH activity is common among apple cultivars and if AVG use affects SDH expression and activity, AVG was applied to `Lodi', `Redchief Delicious', and `Red Fuji' trees 4 weeks before harvest. Control and AVG-

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Ilić, Zoran S., Lidija Milenković, Ljubomir Šunić, et al. "Efficiency of Basil Essential Oil Antimicrobial Agents under Different Shading Treatments and Harvest Times." Agronomy 11, no. 8 (2021): 1574. http://dx.doi.org/10.3390/agronomy11081574.

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The aim of this study was to determine the antimicrobial activity of essential oils obtained from sweet basil (Ocimum basilicum L. cv. ‘Genovese’) cultivated in the open field under different shading conditions (red, blue, and pearl nets with a shade index of 50% and full sunlight exposure (control plants)), harvested at different times. The antimicrobial activity of basil essential oils (BEOs) obtained from all samples was determined for four microorganisms, while determinations for an additional five microorganisms included samples from non-shaded plants, plants grown under red and pearl net

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Barden, Cynthia L., and W. J. Bramlage. "THE EFFECTS OF PREHARVEST ENVIRONMENTAL FACTORS ON ENDOGENOUS ANTIOXIDANTS AND SCALD DEVELOPMENT IN APPLES." HortScience 25, no. 9 (1990): 1146F—1146. http://dx.doi.org/10.21273/hortsci.25.9.1146.

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Анотація:

Superficial scald development on apples is related to preharvest environmental conditions, perhaps through effects on endogenous antioxidant concentrations In 1989 we examined effects of maturity, light, and preharvest temperatures (< 10°C) on endogenous antioxidant levels in the fruit at harvest and on scald development after long-term storage in 0°C air. Cortland apple trees were sprayed with 500 ppm ethephon 1 month before normal harvest to create maturity differences. Fruit on other Cortland trees were bagged 1 month prior to harvest to reduce light interception. Samples also were harve

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Barden, Cynthia L., and W. J. Bramlage. "THE EFFECTS OF PREHARVEST ENVIRONMENTAL FACTORS ON ENDOGENOUS ANTIOXIDANTS AND SCALD DEVELOPMENT IN APPLES." HortScience 25, no. 9 (1990): 1146f—1146. http://dx.doi.org/10.21273/hortsci.25.9.1146f.

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Анотація:

Superficial scald development on apples is related to preharvest environmental conditions, perhaps through effects on endogenous antioxidant concentrations In 1989 we examined effects of maturity, light, and preharvest temperatures (< 10°C) on endogenous antioxidant levels in the fruit at harvest and on scald development after long-term storage in 0°C air. Cortland apple trees were sprayed with 500 ppm ethephon 1 month before normal harvest to create maturity differences. Fruit on other Cortland trees were bagged 1 month prior to harvest to reduce light interception. Samples also were harve

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Coutinho, Pablo Wenderson Ribeiro, Márcia de Moraes Echer, Gilberto Costa Braga, et al. "Effect of pre-harvest calcium silicate on post-harvest quality of tomatoes." Research, Society and Development 9, no. 11 (2020): e74791110148. http://dx.doi.org/10.33448/rsd-v9i11.10148.

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Анотація:

The present work evaluated the influence of calcium silicate on the polygalacturonase enzyme activity, respiration, ethylene, and the physicochemical characteristics on the post-harvest quality of two tomato hybrids. The experimental design was of randomized blocks, with four repetitions in protected cultivation environment. The treatments were distributed in a 2 x 5 factorial scheme, corresponding to the hybrids (Ivety and Natalia) and five doses of calcium silicate (0, 150, 300, 450 and 600 kg ha-1), which were applied on the same day as the pots were filled. Evaluations were carried out on

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Sparrevohn, Claus Reedtz, and Marie Storr-Paulsen. "Using interview-based recall surveys to estimate cod Gadus morhua and eel Anguilla anguilla harvest in Danish recreational fishing." ICES Journal of Marine Science 69, no. 2 (2012): 323–30. http://dx.doi.org/10.1093/icesjms/fss005.

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Abstract Sparrevohn, C. R., and Storr-Paulsen, M. 2012. Using interview-based recall surveys to estimate cod Gadus morhua and eel Anguilla anguilla harvest in Danish recreational fishing. – ICES Journal of Marine Science, 69: 323–330. Marine recreational fishing is a popular outdoor activity in Denmark, practised by both anglers and passive gear fishers. However, the impact on the targeted stocks is unknown, so to estimate the 2009 harvest of cod Gadus morhua and eel Anguilla anguilla, two separate interview-based surveys were initiated and carried out in 2009/2010. The first recall survey exc

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Kraft, Daniel L., Vartan Ghazarossian, Mike Crocker, Sergio Najar, and Antonio A. Carrasco-YalÃ°n. "The “MarrowMiner”: A Novel, Minimally Invasive Device for the Harvest of Bone Marrow: Initial Human Experience Reveals Safety, Efficacy and Richer Cell Product Than Standard Harvest Methods." Blood 112, no. 11 (2008): 4130. http://dx.doi.org/10.1182/blood.v112.11.4130.4130.

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Abstract INTRODUCTION: Bone marrow (BM) contains a rich supply of adult stem and progenitor cells, including hematopoieitic and mesenchymal stem cells which are used in Bone Marrow Transplantation (BMT) and an increasing array of regenerative therapies. Traditional marrow harvest methods utilize percutaneous large bore needle aspiration, result in marrow highly diluted by peripheral blood, and are crude, tedious, labor intensive and expensive, usually requiring general anesthesia, and &gt;100 serial small volume aspirates to obtain adequate cell numbers for BMT. BM is showing increasing lo

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Simon, Elizabeth Mwongeli, Monica Wanjiku Mburu, and Richard Kipkorir Koskei. "The Impact of Varying Stages of Maturity on the Chemical Composition and Antioxidant Activity of Yacon (Smallanthus sonchifolius) Leafy Vegetable." European Journal of Agriculture and Food Sciences 6, no. 3 (2024): 1–7. http://dx.doi.org/10.24018/ejfood.2024.6.3.782.

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Yacon tubers are of global interest due to their prebiotic potential while yacon leaves contain phenolic compounds with potential health benefits. In Kenya, yacon is a newly introduced root crop that is of interest to consumers; however, their main challenge to consumption is determining the appropriate time to harvest the leaves. The chemical makeup of yacon leaves varies depending on the planting site, growing season, harvest time, and growth stages. The current research determined the impact of varying stages of maturity on the chemical composition and antioxidant potential of yacon leaves

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Xi, Yu, Qing Li, Jiaqi Yan, et al. "Effects of Harvest Maturity, Refrigeration and Blanching Treatments on the Volatile Profiles of Ripe “Tasti-Lee” Tomatoes." Foods 10, no. 8 (2021): 1727. http://dx.doi.org/10.3390/foods10081727.

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The interactive effects of six maturity stages and refrigerated storage (chilling)/blanching (heating) treatments on the volatile profiles of ripe tomatoes were studied. A total of 42 volatiles were identified, of which 19 compounds had odor activity values equal to or greater than 1. Of those, “green” and “leafy” aroma volatiles were most abundant. Chilling and heating treatments both suppressed overall volatile production, with chilling having the greater impact, regardless of harvest maturity. However, fruit harvested at the turning stage had the least volatile suppression by chilling and h

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Marques, Samara de Paula Pinheiro Menezes, Rafaela Oliveira Pinheiro, Rafael Alves do Nascimento, Eloísa Helena de Aguiar Andrade, and Lênio José Guerreiro de Faria. "Effects of Harvest Time and Hydrodistillation Time on Yield, Composition, and Antioxidant Activity of Mint Essential Oil." Molecules 28, no. 22 (2023): 7583. http://dx.doi.org/10.3390/molecules28227583.

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In this study, we assessed the effects of different harvest times (9 a.m., 1 p.m., and 5 p.m.) and hydrodistillation times (60, 90, and 120 min) on the yield, chemical composition, and antioxidant activity of the spearmint (Mentha spicata L.) essential oil (EO) sourced from the Amazon region. EO yield was ≥1.55% and was not significantly influenced (p ≥ 0.05) by the different harvest times and hydrodistillation times. Thirty-one different organic compounds were identified, of which menthol (91.56–95.68%), menthone (0.6–2.72%), and isomenthone (0.55–1.46%) were the major constituents. The highe

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Han, Chae Hyeon sun, and Hee Wook Ryu. "Antioxidant and Whitening Effects of Dahlia based on Variety, Flowering Form, Harvest Time, and Plant Part." Asian Journal of Beauty and Cosmetology 22, no. 3 (2024): 491–501. http://dx.doi.org/10.20402/ajbc.2024.0064.

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Purpose: This study evaluated the antioxidant activity of dahlias based on variety, flowering form, harvest time, and plant parts, analyzed the content of bioactive compounds, and assessed the whitening effect of different plant parts to explore potential applications in the food, pharmaceutical, and cosmetic industries.Methods: Antioxidant activity was assessed using DPPH radical scavenging assays, whereas bioactive compounds were quantified through total polyphenol content (TPC) and total flavonoid content (TFC) measurements. The whitening effect was evaluated based on tyrosinase inhibition

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Lee, Eun Suk, Su Ji Choi, Hyung Don Kim, et al. "Anti-Obesity Activity in 3T3-L1 Cells of Cornus officinalis Fruits Harvested at Different Times." Processes 10, no. 10 (2022): 2008. http://dx.doi.org/10.3390/pr10102008.

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Obesity, a metabolic disease linked to several other diseases, is emerging as a global problem. We determined the harvest time that maximized the anti-obesity effect by evaluating the inhibition of lipid accumulation in 3T3-L1 cells treated with fruits of Cornus officinalis. FS1 (pericarp + seeds, harvested 15 September) showed excellent anti-obesity activity (Oil Red O; 26.12 ± 1.37% vs. MDI) and inhibited the expression of PPAR-γ (0.05 ± 0.01 ford vs. MDI), C/EBPα (0.03 ± 0.02 ford vs. MDI), and C/EBPβ (0.33 ± 0.07 ford vs. MDI) at 200 μg/mL. The antioxidant activity of FS1 was also the most

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Araújo, Roberto Fontes, Haynna Fernandes Abud, Laércio Junio da Silva, Eduardo Fontes Araujo, Cleide Maria Ferreira Pinto, and Fabricio Welington Souza Silva. "Physiological changes and antioxidant enzymes activity in Biquinho and Malagueta pepper seeds during the maturation process." Revista Ceres 65, no. 6 (2018): 534–45. http://dx.doi.org/10.1590/0034-737x201865060009.

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ABSTRACT Seeds held inside fleshy fruits after harvest can continue metabolically active, the process of maturation is not interrupted, which can promote the increase on germination and vigour. Also, during maturation and fruit after-ripening period, changes in the mechanisms of protection against oxidative damage can occur, including the activity of antioxidant enzymes. The aim of this study was to evaluate the physiological quality and enzymatic activity of antioxidant defense system of Capsicum chinense Jacq. Represented by the Biquinho pepper and Capsicum frutescens L. represented by the M

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Rivera-Correa, Karen Andrea, Salvador Valle-Guadarrama, Iran Alia-Tejacal, María de Lourdes Arévalo-Galarza, Artemio Pérez-López, and Diana Guerra-Ramírez. "Quality attributes of nance (Byrsonima crassifolia) fruits as affected by storage temperature and maturity at harvest." International Food Research Journal 29, no. 1 (2022): 160–72. http://dx.doi.org/10.47836/ifrj.29.1.18.

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Анотація:

Nance (Byrsonima crassifolia) fruit is harvested when natural abscission from the plant occurs. At this stage, the shelf life is less than 5 d in ambient conditions. The aim of the present work was thus to determine how quality attributes of nance fruits are modified as a function of ripening on the tree, physiological condition at harvest, and storage temperature. Fruits at three maturity stages (green, transient, and yellow) were harvested and stored at 15 and 25°C. As fruits ripened, the hue angle turned to yellow, and lightness and chroma increased, but carotenoid content decreased. The co

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Budhathoki, Prashna, Shreejan kumar Pandey, and Prajwal Darlami Magar. "REVIEW ON POST-HARVEST HANDLING OF FRUITS AND VEGETABLES TO MINIMIZE LOSS." Food and Agri Economics Review 2, no. 1 (2022): 37–40. http://dx.doi.org/10.26480/faer.01.2022.37.40.

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Post-harvest handling is carried out only after the harvest of fruits and vegetables. The harvesting method varies according to the nature of the crop and also based on the availability of resources. Fruits and vegetables have a limited shelf-life. So, they must be harvested at the proper stage of maturity. Post-harvest quality and shelf-life of fruits and vegetables mainly depend upon handling practices and various treatments been carried out after harvest. Poor handling practices and lack of various treatments lead to post-harvest loss. Losses in vegetables mainly occur due to direct packagi

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Najda, A., and H. Buczkowska. "Morphological and chemical characteristics of fruits of selected Rosa sp." Modern Phytomorphology 3 (April 1, 2013): 99–103. https://doi.org/10.5281/zenodo.161996.

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The aim of this study was to evaluate the morphological and chemical parameters, antioxidant activity (DPPH) of five rose species (Rosa rugosa, R. villosa, R. californica, R. spinosissima, and R. × damascene) and grouping them according to the harvest date. On the basis of the study, rose species grown in eastern Poland were grouped according to their harvest time, and three dates of cumulative ripeness of pseudofruits were distinguished. Rosehips of studied species varied referring to their harvest date and morphological properties and were characterized by diverse contents of primary metabol

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D'ANGIOLILLO, Francesca, Michele Massimo MAMMANO, and Giancarlo FASCELLA. "Pigments, Polyphenols and Antioxidant Activity of Leaf Extracts from Four Wild Rose Species Grown in Sicily." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 46, no. 2 (2018): 402–9. http://dx.doi.org/10.15835/nbha46211061.

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Leaf methanolic extracts of four wild Rose species (Rosa canina L., R. corymbifera Borkh., R. micrantha Borrer ex Sm and R. sempervirens L.) grown in Sicily were analysed in order to evaluate differences among indigenous roses which could be used such as source of bioactive compounds and natural antioxidants. Leaves were harvested during two different periods (June and October) and their morphological characteristics were described. Leaf content of chlorophylls, total anthocyanins, total flavonoids, total polyphenols (Folin-Ciocalteu method) and antioxidant activity (DPPH method) were determin

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