نتایج جستجو برای: titratable acid

تعداد نتایج: 748425  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم کشاورزی و منابع طبیعی ساری - دانشکده علوم کشاورزی 1393

قارچ ها به عنوان یکی از مهمترین عوامل بیماریزای گیاهی، منبع اصلی از متابولیت های ثانویه بیواکتیو هستند، و از اهمیت قابل توجهی در فعل و انفعالات زیست محیطی برخوردار می باشند از جمله متابولیت ها می توان آنتی بیوتیک ها، توکسین ها و آنزیم ها را نام برد. در این پژوهش شناسایی متابولیت های ثانویه تولید شده در 21 گونه قارچی با کمک gc – ms انجام گردید. نتایج حاصل از بررسی قابلیت ضد باکتریایی، ضد قارچی، ...

Journal: :Environmental Health Perspectives 1989
J R Balmes J M Fine T Gordon D Sheppard

Acid fog is complex and contains multiple stimuli that may be capable of inducing bronchoconstriction. These stimuli include sulfuric and niric acids, the principal inorganic acids present; sulfites, formed in the atmosphere as a reaction product of sulfur dioxide and water droplets; fog water itself, a hypoosmolar aerosol; the organic acid hydroxymethanesulfonate, the bisulfite adduct of forma...

Journal: :The American journal of physiology 1998
Anita Sicuro Katia Mahlbacher Henry N Hulter Reto Krapf

The effects of recombinant human growth hormone (GH, 0.1 U ⋅ kg body wt-1 ⋅ 12 h-1) on systemic and renal acid-base homeostasis were investigated in six normal subjects with preexisting sustained chronic metabolic acidosis, induced by NH4Cl administration (4.2 mmol ⋅ kg body wt-1 ⋅ day-1). GH administration increased and maintained plasma bicarbonate concentration from 14.1 ± 1.4 to 18.6 ± 1.1 ...

2015
John B. Golding Barbara L. Blades Shashirekha Satyan Lorraine J. Spohr Anne Harris Andrew J. Jessup John R. Archer Justin B. Davies Connie Banos

Passionfruit (Passiflora edulis, Sims, cultivar "Sweetheart") were subject to gamma irradiation at levels suitable for phytosanitary purposes (0, 150, 400 and 1000 Gy) then stored at 8 °C and assessed for fruit quality and total ascorbic acid concentration after one and fourteen days. Irradiation at any dose (≤1000 Gy) did not affect passionfruit quality (overall fruit quality, colour, firmness...

Journal: :Frontiers in sustainable food systems 2023

Tomato fruits are usually characterized by a short postharvest life. Their quality decreases during storage due to losses in nutritional and decay. Salicylic acid (SA) has an important role plant development response environmental stress. This research aimed at evaluating the effects of preharvest salicylic application on extending life, ripening tomatoes ( Solanum lycopersicum cv. Baraka). As ...

Journal: :Notulae Botanicae Horti Agrobotanici Cluj-napoca 2022

The present study was conducted to evaluate the effect of maturity stages on physicochemical characteristics grapefruit (Citrus paradisi cv. ‘Shamber Tarnab’) under storage conditions for 60 days at ambient temperature (16±1 °C with 55-60% relative humidity). Grapefruits were harvested different stages, namely mature green (MG) and full ripe (FR). fruits both assessed physical quality parameter...

Journal: :Malaysian applied biology 2021


 Tomato is fruit vegetables sustaining valuable benefits in economy and nutrition. It has a high content of Vitamin C lycopene. Being climacteric fruit, tomato perishable short shelf life. To improve the storage quality tomato, effect hot water treatment calcium dips on (Solanum lycopersicum) was studied. fruits were dipped two temperatures (40°C 50°C) bath for 2 minutes before 2% chlorid...

Journal: :Journal of Food Processing and Preservation 2022

Probiotic beverages made from cereals become interesting in the recent food industries. In this contribution, a fermented teff-based probiotic beverage was produced using whole grain teff flour and co-culture strains of Lactiplantibacillus plantarum (LPA6) Lacticaseibacillus rhamnosus GG (LCGG). Then, effect 25 days refrigerated storage on cell viability (LPA6 LCGG), contents sugars, organic ac...

Journal: :Asian Journal of Agricultural Extension, Economics and Sociology 2022

The present experiment was carried on five superior cultivars of litchi fruit in the Department Horticulture Assam Agricultural University, Jorhat, during 2020-2021. All biochemical parameters studied under this were found to be significant character. Generally, most parameters, cultivar Bilati recorded highest among all, such as juice content (13.62cc), reducing sugar (8.37%), invert (17.44%),...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2010
Dawn Hollenbeck K Michael Martini Andreas Langner Anthony Harkin David S Ross George M Thurston

We study the electrostatic contribution to the effective potential between two spherical low-dielectric particles that carry proton-titratable sites within a linearized setting. To evaluate the needed work of charging for each possible proton occupancy configuration, together with its crucial dependence on sphere separation, we numerically solve a coarse-grained linear Debye-Hückel model that i...

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