Evidence map›Paper›PMID 42098215›Full record

ArticleScientific reports2026

Development and characterization of lactose-hydrolyzed whey candy.

Hitendra Raval, Rohit Sindhav, Ankit Bihola, Priyanka Suvera, P S Prajapati, Shaikh Adil

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Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Hitendra RavalMother Dairy Fruits and Vegetables, Junagadh, Gujarat, India.
Rohit SindhavCollege of Dairy Science, Kamdhenu University, Amreli, Gujarat, India.
Ankit BiholaICAR-National Dairy Research Institute, Karnal, Haryana, India. ankitbihola2111@gmail.com.
Priyanka SuveraCollege of Food Technology, Sardarkrushinagar Dantiwada Agricultural University, Dantiwada, Palanpur, Gujarat, India.
P S PrajapatiMansinhbhai Institute of Dairy and Food Technology, Kamdhenu University, Mehsana, Gujarat, India.
Shaikh AdilDairy Technology Department, Parul Institute of Technology, Parul University, Vadodara, Gujarat, India. shaikh.adil23773@paruluniversity.ac.in.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Whey represents one of the largest dairy by-product streams worldwide, retaining 55-60% of the nutrients originally present in milk, yet its high lactose content, limited solubility, and environmental disposal challenges restrict its utilization; enzymatic lactose hydrolysis using β-galactosidase improves sweetness, reduces the risk of lactose crystallization, enhances digestibility, and broadens its applicability in frozen confections. This study aimed to develop, optimize, and characterize a reduced-sugar, lactose-hydrolyzed whey-based frozen candy by determining the optimal enzyme concentration for lactose hydrolysis, evaluating the combined effects of sugar and CMC stabilizer on compositional, physico-chemical, and sensory attributes, and assessing the suitability of four flavour emulsions, orange, pineapple, kalakhatta, and jaljira. Sweet whey was hydrolyzed using Maxilact L5000 (0.2-0.4 mL/L), with 0.3 mL/L selected based on achieving ~ 85% lactose conversion; candies were formulated with four sugar levels (18-24%) and three CMC levels (0.2-0.4%) and evaluated for composition, pH, acidity, melting resistance, and sensory assessment. Lactose hydrolysis increased considerably with enzyme concentration, plateauing at 0.3 mL/L. Sugar level significantly influenced total solids, carbohydrates, acidity, melting resistance, and flavour scores, while CMC level significantly affected body, texture, and melting quality due to its water-binding and cryo-stabilizing effects. The optimized formulation, 22% sugar and 0.4% CMC, exhibited desirable composition (TS 30.75%, fat 0.15%, protein 0.75%), physico-chemical characteristics (pH 3.91; acidity 0.53% citric acid; melting resistance 82.62%), and good sensory acceptability. Among the flavours tested, orange achieved the highest consumer preference (8.70), followed by jaljira (8.40), while pineapple and kalakhatta showed comparatively lower acceptability. These findings demonstrate that reduced-sugar frozen candy can be formulated using lactose-hydrolyzed whey, enabling 35% relative reduction in sucrose without influencing sensory quality.

Indexed as

LactoseWheybeta-GalactosidaseHydrogen-Ion ConcentrationHydrolysisbeta-GalactosidaseLactoseCMCFrozen candyLactose hydrolysisStabilizerWhey valorizationβ-galactosidase

Identifiers

PMID42098215
PMCPMC13357811

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.